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Steve Miller


Last seen: 1 día ago

MathWorks

248 total contributions since 2011

Steve Miller is responsible for the technical marketing of the Simscape products at The MathWorks. Steve joined The MathWorks as an Application Engineer in 2005 and moved to the Design Automation Marketing group in 2006. Prior to that, Steve worked at Delphi Automotive in Braking Control Systems and at MSC.Software Adams consulting in various capacities at Ford, GM, Hyundai, BMW, and Audi. Steve has a B.S. in Mechanical Engineering from Cornell University and an M.S. in Mechanical Engineering from Stanford University.

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Answered
Sample time settings to read data correctly from Spreadsheet
I suspect the easiest way is to multiply your time vector by 3600. If you upload the Excel spreadsheet, we can test further.

1 día ago | 1

| accepted

Answered
Warning due to Ideal Translational Motion Sensor
Glad to hear you were able to solve the problem yourself. If you have other problems, let us know. If possible always try to...

1 día ago | 0

Answered
Incorrect normal reaction force in Sphere on Plane contact model
Looks like you managed to answer this question yourself - that's great!

3 días ago | 0

Answered
How to couple a Simulink Solar panel model onto Hybrid Electric Vehicle model?
We have a number of hybrid electric vehicle models that ship with Simscape products and that are available on the File Exchange....

6 días ago | 0

Answered
Modeling a Generic Engine + Continuously Variable Transmission in SimDriveline 2.3 (R2012b)
The original model did not have a mechanical connection between the engine and the Variable Ratio Transmission. That means the ...

6 días ago | 0

Answered
Why can't you specify viscous coefficients on the carrier side in Differential block
Hi David, The viscous friction you specify for driveshaft-casing encompasses both the bearing friction for driveshaft-casing an...

6 días ago | 0

Answered
HOW TO ESTIMATE FUEL ECONOMY OF FUEL CELL VEHICLE
As Jason stated above... If you can calculate the MPkg, you can use the gasoline gallon equivalent value (). See https://en.wi...

6 días ago | 0

Answered
Why will a Simscape model solve with a Gear and a slipping clutch - but the identical model with the Gear replaced with a CVT (at the same fixed ratio) will not solve?
The compliance in the Variable Ratio transmission is the difference between these models. If you make the compliance very stiff,...

6 días ago | 0

Answered
simulating worn brake pads effect on wheel's rpm
I have rebuilt your model with some modifications and attached it to this answer. Some notes: You can measure the wheel speed ...

6 días ago | 1

| accepted

Answered
Simscape Loaded contact friction issue
I assembled a comparable model and get similar results. This model runs fine in R2018b, though it looks like you are using an e...

6 días ago | 0

Answered
Few problems in modeling with Simscape Driveline
You nearly had it all working. :) I have attached an adjusted model. Your Redline Speed parameter was at the upper limit of yo...

6 días ago | 0

Answered
How to simulate a spring release system
To lock and unlock the spring, use Loaded-Contact Translational Friction model. To measure the force, put a Force Sensor in ser...

6 días ago | 0

Answered
is there a matlab code for engine block of sim-driveline under simulink-matlab?
The source code for the Generic Engine block is not provided in R2020a. The equations and parameters are fully documented so th...

7 días ago | 0

Answered
Translational DOF with Belt-Pulley (Block and tackle)
Through release R2020a of Simscape Driveline, the pulleys can only be attached to points in space that cannot move. Review this ...

7 días ago | 0

Answered
Missing parameters in variable transmission block
The Variable Ratio Gear block in Simscape Driveline is a very abstract CVT. It allows you to represent the behavior of a CVT wi...

8 días ago | 0

Answered
error in simdriveline model
A corrected model is attached below. The diagnostic points to nodes that have no inertia associated with them. If you add iner...

8 días ago | 0

Answered
How to simulate and verify a dc motor performance on simscape
I think all you need to add is a force sensor to see how much force your actuator is delivering. I have attached an updated mod...

8 días ago | 0

Answered
Hello ,i have an issue when it comes to my simulink model.I've made a tranmission model using simscape and simulink blocks.The error is a linear algebra error and also displays an errors to solving an iteration matrix.Any thoughts?
If you could upload the model to this question, we could provide a more specific answer. In the screenshots you provided, I do...

8 días ago | 0

Answered
matlab code/program to solve 3 dimensional nonlinear variable differential equation using 4-5 order adaptive variable step length RUNGE-KUTTA method
There are a set of transmission templates in Simscape Driveline that would be a good starting point: https://www.mathworks.com/...

8 días ago | 0

Answered
Can the radius of a Rack and Pinion Constraint depend on the rotation of the pinion?
If you are using this block, through release R2020a the ratio is fixed. https://www.mathworks.com/help/physmod/sm/ref/rackandpi...

8 días ago | 0

Answered
Why failed to simulate Simscape driveline logic-controlled clutch test model?
The error diagnostic in R2018b points to two nodes in your network that do not have inertia. If you add those, you will then ge...

8 días ago | 0

Answered
Value of Torque/Power of Simscape Driveline Vehicle attached to a drivetrain
The torque sensor's location determines the torque you are measuring. If you want the torque applied to the vehicle body (or, t...

8 días ago | 0

Answered
How to integrate simscape driveline clutch with multibody components
Seems like you were close! To get this to work, You need to connect 1D-3D interfaces between the Simscape Driveline model and...

8 días ago | 0

Answered
simdriveline (Basic motion torque and forces modelling). Not getting simulation of two spinning inertias
This example shows a common use of the motion sensor blocks: https://www.mathworks.com/help/physmod/simscape/examples/mass-spri...

8 días ago | 0

Answered
Solver Change From Variable to Fixed Step : Transient initialization, solving for consistent states and modes, failed to converge. ...Nonlinear solver: Linear Algebra error. Failed to solve using iteration matrix.
When you get this error message during simulation, try Ensure that you are using the local solver (for Simscape models) Makin...

9 días ago | 0

Answered
Why I can't tune/design PID for a vehicle modelled with simscape?
Looks like you were able to answer your own question - great job! Thanks for letting us know.

9 días ago | 0

Answered
Is there a way to have Sim DriveLine blocks utilize a table of non-constant friction data, or can they only use constant friction data set in the block's parameters?
There are a number of nonlinear blocks that would allow you to specify a nonlinear relationship for friction. This block lets...

9 días ago | 0

Answered
Guys please help with my position control steady state of one axis machine table
There are two shipping examples close to what you describe. For a 1D-mechanical model, see this example: https://www.mathworks...

9 días ago | 0

Answered
How to make the vehicle body mass and the horizontal distance from CG to front/rear axle variable?
The Vehicle Body block in Simscape Driveline allows you to vary mass, inertia, and CG values during simulation. https://www.ma...

9 días ago | 0

Answered
automated manual transmission (AMT)
The Transmission template blocks in Simscape Driveline would be a good starting point. It is a subsystem that takes the selecte...

9 días ago | 0

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