Human Modeling
CATIA V5 Training
Student Notes:
Exercises
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Human Modeling
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Version 5 Release 19 December 2008 EDU_CAT_EN_HMN_FX_V5R19
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Human Modeling Student Notes:
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Table of Contents (1/3) Ergonomics Environment window Setup Options Global Process: Ergonomics Review inside and around a Vehi... Master Exercise 1: Human Builder Master Exercise 1: Step 1 Master Exercise 1: Step 2 Do It Yourself (Additional exercises) Master Exercise 1: Step 3 Do It Yourself (Additional exercises) Master Exercise 1: Step 4 Do It Yourself (Additional exercises) Master Exercise 1: Step 5 Do It Yourself (Additional exercises) Master Exercise 1: Step 6 Do It Yourself (Additional exercises) Master Exercise 1: Step 7 Do It Yourself (Additional exercises)
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Human Modeling Student Notes:
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Table of Contents (2/3) Master Exercise 1: Step 8 Do It Yourself (Additional exercises) Master Exercise 1: Step 9 Do It Yourself (Additional exercises) Master Exercise 1: Step 10 Master Exercise 1: Step 11 Master Exercise 2: Analyzing Manikin's Anthropometric Variables Human Measurements Editor Design Process Master Exercise 2: Step 1 Master Exercise 2: Step 2 Master Exercise 2: Step 3 Master Exercise 3: Evaluating Manikin's Posture Human Posture Analysis Design Process Master Exercise 3: Step 1 Master Exercise 3: Step 2 Master Exercise 3: Step 3
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Human Modeling Student Notes:
Table of Contents (3/3) 75 77 79 80 81 82 84 86 88 90
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Master Exercise 3: Step 4 Master Exercise 3: Step 5 Master Exercise 4: Human Activity Analysis Human Activity Analysis Design Process Master Exercise 4: Step 1 Master Exercise 4: Step 2 Master Exercise 4: Step 3 Master Exercise 4: Step 4 Master Exercise 4: Step 5
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Human Modeling
Ergonomics
Student Notes:
Ergonomics Review Inside and Around a Vehicle 13 Hours
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In this exercise you will use the Ergonomics Design & Analysis tools to review the ergonomics aspect of a manikin inside and around a vehicle, with the tools of the workbench : Human Builder, Human Measurement Editor, Human Activity Analysis and Human Postural Analysis.
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Human Modeling Student Notes:
Environment window Function of the workbench
Workbench Menu Bar
Compass
Current Work bench
PPR Tree
Menus that are hidden. Place the mouse over the arrows and drag the menu into the Geometry window
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Expand a Component Button
Toolbar Command Prompt or Information
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Function, or Command window (text)
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Human Modeling Student Notes:
Setup Options Let’s go into the 'Tools > Options', 'Display > Navigation', and turn on the 'Preselect in Geometry' option. This allows us to choose from the Tree and the display.
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If you require the Compass to move, place the mouse over the red box, and click the Left mouse button, and this changes to a hand grasping, then move the mouse. It will snap to a Component that it comes close to.
Reviewing the Compass functions, Right click gets you the contextual menu. If you require the Compass to move to an object automatically, highlight the 'Snap Automatically to Selected Object'. To reset the Compass, go to the Workbench Menu Bar, choose View > Menu, Reset Compass
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Human Modeling
Global Process: Ergonomics Review inside and around a Vehicle
Student Notes:
1 Human integration in 3D context
2 Anthropometric analysis
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Posture evaluation
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4 Perform more complete ergonomics analysis
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Human Modeling
Master Exercise: Human Builder
Student Notes:
Presentation 4 Hours
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In this step you will learn: Prepare the file Create, place and change the properties of the manikins Manipulation of the Manikins with Forward Kinematics and Posture Editor Manipulation of the manikins using Standard Pose and Reach analysis Manipulation of the manikins using Inverse Kinematics Create links between the manikins and the geometry Using the catalog functions Analyze the Vision, create a Reach Envelope and a Swept volume Use the clash detection Perform Simulations Distance and Clearance Analysis
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Human Modeling Student Notes:
Master Exercise 1 Step 1: Preparation of the File 40 min
In this step you will create :
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Open the starting file for the training Get the geometry of the vehicle
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Result of Step 1
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Human Modeling
Do It Yourself
Student Notes:
1. Open the starting file for the training File for trainning.CATProduct
2. Insert the geometry of the vehicle Vehicle.CATProduct
3. To explore, move the geometries Move the Vehicle.CATProduct around Move the seat inside the Vehicle
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4. Save the CATProduct as: 'Student name'_file for training_1
At the end of each step, save your file with your name combined with the step number
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Human Modeling
Master Exercise 1
Student Notes:
Step 2: Create, and modify the properties of the manikins 30 min
In this step you will :
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Create a new manikin and place it in the drivers seat Insert an existing manikin and place it in the back seat Change the properties of the manikins (appearance)
At the end of each step save the file in the desired location using your name and the step number for the naming so you will be able to retrieve all your previous work. If you loose your data, you have saved each step individually so it’s possible for you to follow the progression of the course.
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Human Modeling
Do It Yourself (1/2)
Student Notes:
1. Create a new manikin and name it Happy driver 2. Hide the Happy driver 3. Insert existing manikin from a file Rear passenger.Catproduct
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4. Show the Happy driver and change his properties (appearance) Happy driver (trunk: orange, feet: brown, hair: blond)
5. Display the line of sight of the Happy driver
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Human Modeling
Do It Yourself (2/2)
Student Notes:
6. Use the compass and place the driver in the seat 7. In manikin properties, change the rear passenger referential to the right foot
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8. Use the place mode function to place the rear passenger in front of the rear seat 9. Save the CATProduct as 'Student name_file for training_2'
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Explore other functions to change the manikin‘s location
Compass Snap Coordinates
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Surrounding box, Etc
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Human Modeling
Master Exercise 1
Student Notes:
Step 3: Manipulation of Manikins using the Forward Kinematics and the Posture Editor functions 30 min
In this step you will :
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Use the Direct Kinematics Use the Posture Editor functions
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Human Modeling
Do It Yourself
Student Notes:
1. Adjust the posture of the Driver using the Direct Kinematics functions to have the hand closer to the steering wheel. - Upper arms - Lower arms (Fore-arm)
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2. Adjust the posture of the Driver using the Posture Editor functions to have the thigh on the seat -Thigh - Leg
3. Save the CATProduct as 'Student name'_file for training_3
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Forward Kinematics 1. Explore this function by moving the trunk and the neck of the Happy driver
2. Display the line of sight and move it using forward kinematics.
Posture Editor
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3. Readjust the Happy driver posture to a realistic position by using the Posture Editor functions.
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Human Modeling
Master Exercise 1
Student Notes:
Step 4: Manipulation of manikins using Standard Pose and Auto Grasp function 30 min
In this step you will :
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Sit the rear passenger using a Standard pose function Adjust the driver’s trunk posture by using the Standard Pose functions. Adjust the grasping posture on the steering wheel by using the Auto Grasp toolbar.
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Human Modeling
Do It Yourself
Student Notes:
1. Sit the Rear passenger using the Standard pose functions 2. Adjust the trunk posture of the Happy driver with the Standard Pose icon
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3. Adjust the grasping posture on the steering wheel with the Auto Grasp toolbar.
4. Save the CATProduct as 'Student name_file for training_4'
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Standard pose 1. Keep the position/orientation of both hands of the Rear passenger and twist the trunk. 2. Explore the other functions of the standard pose panel Shoulder, lean, stoop, etc.
Auto Grasp
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3. With the Forward Kinematics function, bring the right hand of the Happy driver with the palm on the center of the steering wheel and try other types of grasp. Spherical and Pinch
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Human Modeling
Master Exercise 1
Student Notes:
Step 5: Manipulation of the manikins using Inverse Kinematics: Reach and IK mode 30 min
In this step you will :
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Use the Inverse Kinematics to manipulate the segment Change the Display to allow the vertical translation of the pelvis Use the Reach function to have the manikins reaching parts Use the Inverse Kinematics to drag the hand down below the seat Use the Reach Position & Orientation to reach the base of the seat with the left hand
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Human Modeling
Do It Yourself (1/3)
Student Notes:
Reach Mode
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1. Use the Reach function to have the right hand of the Happy driver reaching the dashboard. 2. Without deactivating the reach, perform a reach with the same segment on the steering wheel or another location on the dashboard
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Human Modeling
Do It Yourself (2/3)
Student Notes:
IK Mode 1. Use the Inverse Kinematics to manipulate the segment of the manikin and bring both hands close to the steering wheel in the right orientation 2. Get familiar with the Ghost segment and multiple selection
3. Insert a new manikin, name it Operator and equipment and change the trunk color to green
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4. With the Place Mode, place the Operator in front of the side door of the back row
Check the referential of the manikin to optimize the use of the Place mode function
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Human Modeling
Do It Yourself (3/3)
Student Notes:
1. Use the Inverse Kinematics mode to drag the hand down to the waist level
2. Change the IK behaviors of the Operator in order to allow the vertical translation of the pelvis.
3. Use the Inverse Kinematics to drag the hand down even more (lower than the waist level). 4. Use the Reach Position & Orientation to reach the base of the seat with the right hand. Select the proper IK behavior to obtain the desired final posture.
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5. Save file as 'Student name_file for training_5'
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Reach Mode 1. Perform a reach using another segment 2. Perform a reach using the line of sight
IK Mode 1. Simulate breaking motion 2. Explore the reach and the IK using different IK behaviors
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3. Use a combination of reach and IK mode in order to explore the functions
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Human Modeling
Master Exercise 1
Student Notes:
Step 6: Create links between the manikin and geometries 30 min
In this step you will :
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Attach geometry to the manikin Add offset Create constraints between objects and the manikin
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Human Modeling
Do It Yourself (1/4)
Student Notes:
1. Insert existing components Adjustable_wrench.stl, Large_construction_helmet.stl and Safety_glasses.stl 2. Position the Adjustable wrench close to the left hand of the manikin simply by using the direct manipulation of the compass 3. Use the Auto Grasp toolbar to have the manikin‘s hand grasping the wrench
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4. Try the Snap Surface tool to place the Helmet and the Glasses at the right place on the manikin (Tool/Customize/Command)
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Human Modeling
Do It Yourself (2/4)
Student Notes:
1. Create attaches between the 3 geometries and the manikin
2. Insert a new offset
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3. Transfer the location of the hand’s offset to the end-point of the adjustable wrench
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Human Modeling
Do It Yourself (3/4)
Student Notes:
1. Use the Reach and the Inverse kinematics functions to understand the use of the offset.
To avoid having the manikin go going through the floor, remove the pelvis vertical translation in the IK Behavior function.
2. Create a Fix on Constraint between the adjustable wrench and the hand of the manikin
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3. Move the Adjustable wrench with the compass and Update the constraint to return the hand on the wrench
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Human Modeling
Do It Yourself (4/4)
Student Notes:
1. Create a Contact Constraint on the Happy driver’s hands and the steering wheel
2. Change the option (Tools/Options) to update the constraints automatically
3. Rotate the steering wheel using the compass in order to see the hands follow automatically.
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4. Save the CATProduct as 'Student name_file for training_6'
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Positioning the object 1. Explore different type of functions to manipulate object (snap, quick translate, etc.)
Offset 1. Change the location of the adjustable wrench end-point and explore the specification tree under the setting/offset node Create several offset on the hand and activate them one at a time Simulate the motion of screw and unscrew using the wrench with the offset and the IK mode
Constraint
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1. Create constraints for feet, hip and hands. Then check different position of the seat 2. Create several constraints on the reach of the hand or the line of sight and activate them one at a time
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Human Modeling
Master Exercise 1
Student Notes:
Step 7: Using the catalog function 15 min
In this step you will :
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Loading manikin’s attributes from a catalog Creating a new catalog Exploring the manikin’s tree organization Saving manikin’s attributes in a catalog
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Human Modeling
Do It Yourself (1/3)
Student Notes:
Loading manikins attributes from a catalog 1. Select the Load manikin’s attributes from catalog icon. 2. Browse another catalog and Open the Human_R17 catalog
3. In the Posture family, select the Operator posture components
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4. Apply it on the Operator and equipment
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Human Modeling
Do It Yourself (2/3)
Student Notes:
Creating a new catalog 1. From the main menu, create a new catalog.
2. Add a Family and name it: Posture
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3. Add another family name: Various.
4. Save the catalog and name it: My first catalog.catalog
Check in the folder containing your new catalog. There are the .catalog file and the .CATSwl file. It’s recommended to keep these files together.
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Human Modeling
Do It Yourself (3/3)
Student Notes:
Save manikins attributes in a catalog 1. Open the manikin node under body and settings 2. Select Save manikin’s attributes in catalog icon in My_first_catalog 3. Save those settings in the appropriate family Posture Happy driver: Global posture Various Operator and equipments (Ctrl key): Arms posture Offset Attaches Constraint
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4. Apply the attributes on a new manikin to validate :
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You can also copy and paste directly the manikin’s attributes from one manikin to another or to a segment.
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Save manikins attributes in a catalog 1. Explore different postures by applying attributes using the existing Human_R17 catalog
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2. Save different manikin’s attributes in My_first_catalog Happy driver appearance Happy driver arms posture Apply on other manikins
3. Save different manikin’s attributes in My_first_catalog Explore the saving attributes of specific segments versus the whole manikin Explore saving manikin attributes in a single components versus separated Apply attributes such as Attach, constraint and offset on different manikins
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Human Modeling
Master Exercise 1
Student Notes:
Step 8: Analyze the Vision, create a Reach Envelope and a Swept volume 25 min
In this step you will :
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Activate the Vision window Moving the line of sight Changing the display of the vision Generating a Vision Report Activating the Reach Envelope Generating a Swept Volume
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Human Modeling
Do It Yourself (1/3)
Student Notes:
1. Activate the Vision window for the Happy driver 2. Activate the Visual Cone and the Field of view 3. Display the Line of Sight and use the Inverse Kinematics function, check if the Driver can see correctly different parts of the dashboard 4. Change the parameters of the vision to simulate a Monocular vision 5. Can the driver see the complete dashboard Copyright DASSAULT SYSTEMES
with the central cone (Binocular vision)? Does it fit inside the entire field of view? 6. Create a Fix on constraint between the line of sight and a location on the dashboard.
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Human Modeling
Do It Yourself (2/3)
Student Notes:
1. With the Reach function move the line of sight on the steering wheel. 2. Deactivate the existing constraint when asked. 3. Create a constraint. Note: You do not need to deactivate the reach command to create a constraint. Simply click on constraint and select the object 4. With the Forward Kinematics functions, move the line of sight close to the mirror and deactivate this constraint (create in 3) from the Specification tree. 5. Create another constraint between the line of sight and
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the mirror location.
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Human Modeling
Do It Yourself (3/3)
Student Notes:
1. Activate the Reach Envelope icon 2. Select the manikin’s segment to evaluate it’s arm reachability Right hand of the Rear passenger
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3. Select the Swept volume icon and move the left forearm of the Rear passenger to define the needed space
4. Save the result of the swept volume as a cgr Left ForeArm_SWEPTVOLUME.cgr
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Vision 1. Activate and update one constraint at a time and check the result. 2. Change the manikin’s gender and do it again 3. From the tools/options activate the Look at 4. Manipulate the hand using Reach icon 5. Generate a Report for the vision using the HTMLformat
Reach Envelop 1. Activate the Reach Envelope and select the Driver to evaluate his fingers reachability Left index of the Happy driver Copyright DASSAULT SYSTEMES
Swept volume 1. Insert the swept volume as a CATPart inside the file Left ForeArm_SWEPTVOLUME.cgr
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Human Modeling
Master Exercise 1
Student Notes:
Step 9: Use the clash detection 25 min
In this step you will :
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Activate the Clash Detection Move the manikin’s segments to display the collision
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Human Modeling
Do It Yourself
Student Notes:
1. Activate the Clash Detection 2. Move the arm of the Happy Driver to have the hand go through the steering wheel. 3. The collision of the manikin with the object will be displayed by a red silhouette of the collision itself.
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4. Conduct a Clash analysis during direct manipulation Operator and equipments
5. To highlight the Collision move the manikin using the Inverse Kinematics or the Forward Kinematics.
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Human Modeling
Do It Yourself (Additional exercises)
Student Notes:
Clash 1. In the Happy Driver properties, change the Anthropometry to Man, 95th percentile 2. Check the clash between the Happy Driver and the Steering wheel
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3. Explore the clash between the Rear passenger reach envelope and the vehicle
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Human Modeling
Master Exercise 1
Student Notes:
Step 10: Perform Simulations 30 min
In this step you will :
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Record a simulation Run the replay Generate a video Conduct a clash analysis Create a Track
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Human Modeling
Do It Yourself (1/4) 1. 2.
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3.
Student Notes:
Record a simulation with the Happy driver movement My first simulation Move the segments of the manikin using the forward kinematics and the Inverse kinematics functions and insert each part of the movements to record the global action Jump to start and Play the simulation
4. Select the simulation in the Specification tree, change the time frame and generate a replay
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Human Modeling
Do It Yourself (2/4) 5.
Run the replay you have created
6.
To generate a Movie file, activate the Generate Video icon and select the simulation to export in video.
7.
In the panel, chose the format and the location of the Video file.
8.
Conduct a clash analysis during the simulation Name: My first interference analysis Type: Contact and Clash Between two selections : Happy driver and Steering wheel
Student Notes:
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9. Activate the Clash detection 10. Run the replay, Edit analysis and add your interference analysis (look at the collision)
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Human Modeling
Do It Yourself (3/4)
Student Notes:
1. After deleting the reach envelop, perform a Track Simulation of the right hand of the back passenger 2. Select the Linear Interpolation between posture 3. Record a series of posture 4. Increase the speed of the simulation 5. Perform a Track for the left foot 6. In the DMU Fitting workbench, Open the Edit sequence function and put both track in the same simulation
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7. Return in the Human Builder workbench and Replay the sequence from the PPR tree
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Human Modeling
Do It Yourself (4/4)
Student Notes:
1. Create a shuttle for the seat to extract (second row, right) using the Shuttle function 2. Name the shuttle: Shuttle for seat extraction and confirm the shuttle 3. Using the Simulation icon, generate a simulation to extract the seat. 4. Select the Shuttle for the seat extraction
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5. Create a Track of about three steps as shown in the following image: Seat Extraction 6. Adjust the posture of the Operator to have the seat in his hand, deactivate the left hand constraint and create a Contact Constraint on each hands of the Operator to the target points of the seat 7. Activate the automatic Update for the constraint (Tool/Options) 8. Run the Replay
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Human Modeling
Master Exercise 1
Student Notes:
Step 11: Distance and Clearance Analysis 25 min
In this step you will :
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Simulate the vision of the driver Use the Band Analysis Refresh of the measurements Check the Clearance Minimum distance on a specific axis
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Human Modeling
Do It Yourself
Student Notes:
1. In the Happy Driver properties, change the manikin anthropometry to a man 5th percentile and use the Measure Between function to calculate the distance between the steering wheel and the thigh 2. Using the Distance Band analysis function calculate the minimum distance between the back passenger and the front seat
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3. Using the Distance Band analysis function calculate the minimum (in X axis) between the back passenger and the front seat 4. Using the Band analysis function, calculate the band (200-300mm) between the back passenger and the front seat, change the filter to obtain different results 5. Change the posture of the Rear passenger and update the measurements
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Human Modeling
Exercise 2: Analyzing Manikin’s Anthropometric Variables
Student Notes:
Presentation: 3 hours
In this step you will :
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Edit the limits of accommodation Change the anthropometry of manikins Create boundary manikins
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Human Modeling
Human Measurements Editor
Student Notes:
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These are the Icons and Functions for Human measurement Editor
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Human Modeling Student Notes:
Design Process Enter the Human Measurement workbench
1 Edit the limits of accommodation
2 Change the anthropometry of the manikins
Create boundary manikins
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3
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Human Modeling
Master Exercise 2
Student Notes:
Step 1: Edit the Limits of Accommodation 10 min
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In this step you will : Use the filter Select a interpolation mode Select the population
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Human Modeling
Do It Yourself
Student Notes:
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Enter in the Human Measurement Editor workbench to change the anthropometry: Happy Diver Reset the anthropometry of the driver Select the Multinormal calculation mode Define how many Percentage of the target population you want to accommodate Enter 90 % of the population Change the Filter option so you can see all the anthropometrics variables Select the American population Select the male
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Human Modeling
Master Exercise 2
Student Notes:
Step 2: Change the Anthropometry of the Manikins 25 min
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In this step you will : Change Anthropometrics variables Activate the list of the variables Enter specific anthropometric values Change the gender of the manikin
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Human Modeling
Do It Yourself
Student Notes:
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Select the sitting construction Find the average value for the select the Sitting Height variable for an American male Change the Management of this variable to Manual and check what is the maximum value you can get for the selected percentage of accommodation (90%) Now change to a standing construction position and apply a reach posture Check the Side View and select the Thump tip reach variable Define what is the most probable value of this Reach for a this manikin Change the management of this variable to Manual and define maximum value possible for the Extended Reach.
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Human Modeling
Master Exercise 2
Student Notes:
Step 3: Create Boundary Manikins 1 hour
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In this step you will : Change the management of variables Change the variable management Enter specific anthropometric values Identify critical variables Define the limits of each anthropometric variable Save the anthropometry in a new catalog Apply the anthropometry from a catalog
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Human Modeling
Do It Yourself (1/4)
Student Notes:
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In the Human Measurement Editor Workbench, identify the 3 following critical variables Eye height Sitting (US 50), Buttock knee length (US 27 ), and Thump tip reach (US 107) Check the correlation into the statistic file Insert those correlation into a matrix to identify the less correlated with the others According to the correlation use the following sequence: 1. Eye height sitting (sum of correlation = 0.372) 2. Buttock knee-length (sum of correlation = 0.658) 3. Thump tip Reach (sum of correlation = 0.661)
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Human Modeling
Do It Yourself (2/4)
Student Notes:
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Double check the Percentage of accommodation (90%) and the Interpolation mode (Multinormal) Define the values for first boundary manikin 1. Define the smallest value for the first variable (Eye height Sitting US50) 2. Define the smallest value for the second variable (Buttock Knee length US27) 3. Define the smallest value for the third variable (Thump tip Reach US 107) Save the anthropometry into a catalog name it boundary manikin1 Define the values for second boundary manikin 1. Define the biggest value for the third variable (Thump tip Reach US 107) Save the anthropometry into a catalog name it boundary manikin2
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Human Modeling
Do It Yourself (3/4)
Student Notes:
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Change the Management of the third variable to Automatic Define the values for third boundary manikin 1. Define the smallest value for the first variable (Eye height Sitting US50) 2. Define the biggest value for the second variable (Buttock Knee length US27) 3. Change the third variable to Manual 4. Define the smallest value for the third variable (Thump tip Reach US 107) Save the anthropometry into a catalog name it boundary manikin3 Define the values for fourth boundary manikin 1. Define the biggest value for the third variable (Thump tip Reach US 107) Save the anthropometry into a catalog name it boundary manikin4 Generate the other boundary manikin 1. Always respect the sequence 2. In order to define the min and the max of one variable, the inferior variable always have to be under the Automatic management Save those manikins into a catalog
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Human Modeling
Do It Yourself (4/4)
Student Notes:
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Once you have saved those manikins into a catalog, test them on the driver Exit the Human Measurement Editor workbench Open the anthropometrics catalog and apply each Boundary manikin values on the driver Perform various Reach and Vision analysis
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Human Modeling
Exercise 3: Evaluating Manikin’s
Posture
Student Notes:
Presentation: 3 hour
In this exercise you will see how to evaluate the posture of the manikin and change their range of motion:
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Edit Range of motion Edit Angular limitations using percentage Edit Preferred angle Gather and analyze the results
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Human Modeling
Human Posture Analysis
Student Notes:
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These are the Icons and Functions for Human Posture Analysis
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Human Modeling Student Notes:
Design Process Enter the Human Posture Analysis Workbench
1 Edit Range of motion
3
Edit Preferred angle
2
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Edit range of motion using percentage
4
Gather and analyse the results
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Human Modeling
Master Exercise 3
Student Notes:
Step 1: Edit Angular Limitation 20 min
In this exercise you will see how to modify the range of motion of the manikins
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Degree of freedom Explore the degree of freedom Edit the angular limitation Change the percentage of accommodation Lock the segment Remove and reset the angular limitation Save in catalog
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Human Modeling
Do It Yourself
Student Notes:
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Double click on a segment of go inside the Human Posture Analysis workbench Using the arrows, reduce the range of motion for the flexion of the forearm in order to accommodate 90 % of the population Using the angular limitation panel reduce the range of motion of the shoulder to 100 % in the second degree of freedom (DOF2) Select the right shoulder and lock the movement in the second degree of freedom (DOF2) Double-check the locked segment within the manikins Properties Save this reduced range of motion into a catalog Remove the all angular limitation of the elbow (Warning!) Reset the angular limitation to normal range of motion
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Human Modeling
Master Exercise 3
Student Notes:
Step 2: Edit Angular Limitation using Percentage 15 min
In this exercise you will see how to change the range of motion of several segment at the time using a unique step
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Edit the angular limitation Reset angular limitation
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Human Modeling
Do It Yourself
Student Notes:
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Select several segments using the CTRL button (Fore arm, arm, thigh and leg (left an right) Select the first degree of freedom Increase the angular limitation in order to reduce the accommodation rate to the minimum Save this reduced range of motion into a catalog Name the data inside the catalog: Handicap person Reset the angular limitation using the reset button OR from the specification tree and the contextual menu.
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Human Modeling
Master Exercise 3
Student Notes:
Step 3: Edit Preferred Angle 50 min
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In this exercise you will see how to generate Specific Zone ( Preferred angle) for a specific task and save it into a catalog Add preferred angle (score and color) Use the Postural score panel Use catalog Optimize the posture with the preferred angle score
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Human Modeling
Do It Yourself (1/2)
Student Notes:
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Create preferred zones for the left forearm of the driver according to the following 1. Prefer. Angle2 : Risky, Red, Score 2, 0-60° 2. Prefer. Angle3 : Optimal, Green, Score 10, 60-90° 3. Prefer. Angle4 : Risky, Red, Score 2, 90-140° Save this Preferred angle into a catalog called: My first preferred angles Open the postural Score panel Move the segment with the blue line until you obtain a green colour in the chart Load manikin’s attribute from a catalog: Human_R17.catalog In the Preferred angles family, select A. Weichnrieder (1985) and apply it on the Happy driver
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Human Modeling
Do It Yourself (2/2)
Student Notes:
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Open Preferred angle for comfort angles for driving posture from a catalog Select A. Weichnrieder (SAE) and apply it on the driver Open the Postural Score panel and identify the segment in the best posture Manipulate the segments with the blue line to obtain the highest score In the Postural Score Analysis panel, output the color on the surface of the driver for DOF1 Optimize the posture and check the reach of the steering wheel Highlight the Worst degree of freedom in order to directly identify the problem in all degree of freedom Open Preferred angles for the force from the catalog Check the force that the driver can exert in a specific posture (Score = force)
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Human Modeling
Master Exercise 3
Student Notes:
Step 4: Customize Joint for the Spine 50 min
In this exercise you will see how to generate Customize New Joints for the Spine.
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Customized joint for preferred angles Check the global and average score Save in the catalog Create report
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Human Modeling
Do It Yourself
Student Notes:
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Select the customized joint angle Define the new joint by selecting segment of the spine Input Preferred angle for each joint Check the score for the new joints Save in the catalog Generate a Report
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Human Modeling
Master Exercise 3
Student Notes:
Step 5: Gather and Analyze the Results 2 hour
In this exercise you will see how to get all relevant results, combine them under a simple document and analyze the results
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Preferred angle Score Color Code Standard Database Highlight the worse case Spread Sheet Boundary manikin Clearance
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Human Modeling
Do It Yourself
Student Notes:
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Check the comfort of the boundary manikins using your first preferred angles data Input the results into a spread sheet (see spread sheet document example) Check the comfort of the boundary manikins using the A. Weichnrieder (SAE) Input the results into a spread sheet Check the clearance of the back passenger with all boundary manikins Check the Vision of the driver with all boundary manikin Compare the results obtained with the boundary manikins and default 5th, 50th and 95th Compare the results obtained for the force when manikin reaching same location Limit the angular limitations according to the preferred angles Evaluate how much force the driver can exert on a parking brake using: the Force_ Arm_ pull data
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Human Modeling
Master Exercise 4: Human Activity Analysis
Student Notes:
Presentation: 3 hour
In this exercise you will see how to evaluate the posture of the manikin according to different standardized ergonomics analysis
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RULA analysis Lift/lower analysis Push/Pull analysis Carry analysis 3D Biomechanics analysis
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Human Modeling
Human Activity Analysis
Student Notes:
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These are the icons and functions for Human Activity Analysis
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Human Modeling Student Notes:
Design Process Enter the Human Activity Analysis Workbench
1 Conduct a RULA ergonomics analysis
Conduct a Carry ergonomics analysis
3 Conduct a Push/pull ergonomics analysis
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4
2
Conduct a Lift/lower ergonomics analysis
5 Conduct a 3Dbiomechanics ergonomics analysis
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Human Modeling
Master Exercise 4
Student Notes:
Step 1: RULA Ergonomics Analysis 40 min
In this exercise you will see how to apply the Rapid Upper Limb Assessment Ergonomics Analysis.
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Forward Kinematics Inverse Kinematics Coloring on the manikin Generate Report
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Human Modeling
Do It Yourself
Student Notes:
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Lower the operator’s centre of gravity (squat) Position the operator as he would reach the back seat with the wrench Close his finger and straight up this wrist Changes Properties and make the coloring result on the surface of the manikin Check the results of RULA on this specific posture with the following specifications 1. Intermittent, frequency < 4 Times/min., Check balance and 2 kg In the advance section, change the following specifications 1. Remove Elevate his shoulder 2. Do not perform any abduction of his arm 3. Do not Twist his trunk 4. Do not Bend side ways Change the analysis in the Report Definition and Generate Report for RULA
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Human Modeling
Master Exercise 4
Student Notes:
Step 2: Lift / Lower Ergonomics Analysis 40 min
In this exercise you will see how to apply a Lift and Lower Ergonomics Analysis
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Forward Kinematics Inverse Kinematics NIOSH 81 NIOSH 91 Snook & Ciriello Constraint and track Generate Report
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84
Human Modeling
Do It Yourself
Student Notes:
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Deactivate the constraint (double click on the constraint) and reset the posture of the operator Create a track with the seat and use constraint of the operator Activate the Lift-Lower Analysis and Record two postures for the operator (Lift/Place) Check the AL and the PML with the following specifications 1. NIOSH 1981, 1 lift every 120 sec., Duration: 2 Hours or less Check the RWL and the LI at the Origin and Destination with the following specifications 1. NIOSH 1991, Duration: 2 Hours or less, Object weight: 2Kg Check the MAW with the following specifications 1. 1 Lift every 120 sec., Population sample: 50% Retrieve the Replay done previously for the Operator and run it Record two postures during the simulation for your input of the Lift-Lower Analysis Generate Report for Lift-Lower Analysis for each researchers
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Human Modeling
Master Exercise 4
Student Notes:
Step 3: Push/Pull Ergonomics Analysis 40 min
In this exercise you will see how to apply a Push/Pull Ergonomics Analysis.
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Forward Kinematics Inverse Kinematics Snook & Ciriello Attach Constraints & Track Generate a Report
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Human Modeling
Do It Yourself
Student Notes:
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Get the manikin from the manikin catalog: manikin and toolbox. CAT Products Check what are acceptable initial and sustained forces according to the following specifications: 1. 1 push every 120sec., Distance of push 3000 mm, distance of pull 2500mm and population sample: 50% Raise the left hand of the manikin of approximately 20cm (the tool box is attached to the hand) Check what are acceptable initial and sustained forces Detach the tool box and use 2 constraints for the hands on the handles of the toolbox Test the boundary manikin (constraint update automatically in the manikin’s properties) Change the analysis in the Report Definition and Generate Report for Push pull Analysis from the specification tree.
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Human Modeling
Master Exercise 4
Student Notes:
Step 4: Carry Analysis 40 min
In this exercise you will see how to apply a Carry Ergonomics Analysis.
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Forward Kinematics Inverse Kinematics Snook & Ciriello Generate a Report
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Human Modeling
Do It Yourself
Student Notes:
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Get the manikin from the manikin catalog: manikin and object to carry. CAT Products Check what is the Maximum Acceptable Weight according to the following specifications: 1. 1 push every 120sec., Distance of carry 4000 mm and population sample: 90% Raise the left hand of the manikin of approximately 20cm (the seat is attached to the hand) Check what are Maximum Acceptable Weight Detach the seat and use 2 constraints for the hands on seat Raise the seat at different Height (constraint update automatically in the manikin’s properties) Change the analysis in the report definition and generate a report for the carrying analysis
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Human Modeling
Master Exercise 4
Student Notes:
Step 5: 3D Biomechanics Ergonomics Analysis 40 min
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In this exercise you will see how to apply a complete 3D Biomechanics Ergonomics Analysis. Forward Kinematics Inverse Kinematics Loads NIOSH as a reference Concept of Moment, Shear, Compression Generate a Report
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90
Human Modeling
Do It Yourself
Student Notes:
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As a Start, use the Operator and simulate the lifting of the seat, use the same posture as for NIOSH Create loads for the manikin: 1. Total 25kg, Symmetric lifting, Orientation of the load vertical Activate the 3D Biomechanics Analysis Check the Compression value for the spine Compare with NIOSH reference Raise the seat at different height (constraint update automatically in the manikin’s properties) Check the impact of new posture on the compression Modify the orientation and the distribution of the loads Check the impact of new posture on the spine compression and other results Check for other manikins and others tasks Change the analysis in the Report Definition and Generate a Report for the 3d Biomechanics Analysis
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