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How to continuously use transmission ratios in a gear shift simulation
I think your algorithm needs the concept of a "state", where you are calculating the current transmission output shaft speed bas...

3年以上前 | 0

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How do you model longitudinal vehicle dynamics based on a trip which uses speed limits and a topographic profile?
A good example to look at is this one: Model a Road Profile with Varying Elevation and Friction It shows you how to make us...

3年以上前 | 0

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Modeling a manipulator with elastic joint in Simscape Multibody
Hi Salvatore, Your system needs two degrees of freedom: Base to motor shaft Rotational deflection of motor shaft You need tw...

3年以上前 | 0

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How to use Simscape Longitudinal Wheel
To specify the initial velocity, typically you need to enable the inertia using a dropdown on the block or attach the inertia se...

3年以上前 | 0

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Doesn't my license (university license) have simscape driveline?
You can check this web page to see which licenses are available on your campus: https://www.mathworks.com/academia/tah-supp...

3年以上前 | 0

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How to determine the velocities,acceleration for joints and piston for Crank slider mechanism in Matlab code?
This Simscape block represents the same type of mechanism: https://www.mathworks.com/help/simscape/ref/slidercrank.html --...

3年以上前 | 0

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I am working on Hydraulic brake system in Simulink. I have rotational motion of the pedal and from that I want translation of the following rod. I tried to use Prismatic joint but it doesn't give the motion I need. What should I do?
I believe you need the Wheel and Axle block or the Rack and Pinion block to convert rotational motion to translational motion. ...

3年以上前 | 0

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How to define the tire and ground contact for tire enveloping characteristics in Simscape Multibody (to simulate the tire driving over an obstacle)?
Tire enveloping behavior is an advanced physical effect which requires viscoelastic structure in the model of the tire. That is...

3年以上前 | 0

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How to use Simdriveline to build a Ravigneaux Planetary Gear transmission with the centres of a circle of outer planetary gear， inner planetary gear and small sun gear being not on the same line
Simscape Driveline doesn't actually care where your gears are located, it only cares about the gear ratios. If you can conceive...

3年以上前 | 0

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How can I add acceleration resistance to a driveline model?
There are many ways to limit the acceleration. The resistances you have already added do that already. I believe you wish to li...

3年以上前 | 0

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What is the transmission time constant in the Variable Ratio Transmission block of SimDriveline?
The transmission time constant refers to the length of time it takes for the variable ratio transmission to reach steady state a...

3年以上前 | 0

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band brake simscape simulation. some wrong results happen. why it happen? How could I address it?
Without your model, it is difficult to give a specific answer. Your screenshots do not indicate what the "input" to the system ...

3年以上前 | 0

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Hydraulic lift model via Simscape tool
Without your model, it is difficult to provide a specific answer. I believe you need to look at product of the ratios for all c...

3年以上前 | 0

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Help with tire magic formula blocks error in simulink
In your model, you have attempted to connect Simscape Driveline 1G blocks and Simscape Driveline 2G blocks using a physical conn...

3年以上前 | 0

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Steering angle in simscape driveline ?
Simscape Driveline is intended for longitudinal, vertical, and pitch motion of the vehicle. Lateral dynamics is best covered wi...

3年以上前 | 0

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Simbody // Simple Quarter of Car
The screenshot below shows the structure you are aiming for with your model (model simple_quarter_car_model.slx is attached). Y...

3年以上前 | 0

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Modeling of a brake system in Simscape
Your model "now.png" is on the right track. If you connected a control signal to the S port of the valve, you would be able to s...

3年以上前 | 0

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Simscape Multibody Spline only one Point
From what I see, it should be just fine. Normally, your spline should be nx3, but I also tried entering nx2 and still saw it pl...

3年以上前 | 0

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How can I transfer Torque from "External Force and Torque" block to simscape component ?
To apply a force in Simscape, use an Ideal Force Source block. The External Force and Torque block is for applying forces to Si...

3年以上前 | 0

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How to model a simple vehicle in Delft Tyre
Take a look at this submission on the File Exchange: Vehicle Dynamics, 14 DOF Model in Simscape Multibody™ https://www.math...

3年以上前 | 0

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Can I apply the force model in the radial engine with pneumatic force model with position as input instead?
The example sm_radial_engine.slx has a mechanical connection between the piston head and the chamber where the pressure increase...

3年以上前 | 0

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Simulink engine RPM becomes zero as soon as throttle increases from 0. I have specified initial rpm to engine which reaches 0 as soon as throttle input to the engine increases from 0?
Without your model, it is very hard to help you. It seems like your engine is stalling, but the information you have provided d...

3年以上前 | 0

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braking torque calculation of motorcycle drum-shoe brake
This example uses the Double Shoe Brake block to slow down a vehicle: Vehicle with Four-Speed Transmission https://www.math...

3年以上前 | 0

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Hey guys. I'm doing a project on designing epicyclic gearbox. You are meant to be able to change the ratio and the diameter of the sun gear. The problem is that I can't think of a way to make them always mesh. So any ideas??
You will need to carefully check your radii, gear ratios, initial angles, and number of planets. This can all be related algebr...

3年以上前 | 0

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Nonlinear solver to advance time one step failed to converge due to Linear Algebra error. Failed to solve using iteration matrix. ...Equations (including nonlinear equations) of one or more components may be dependent or inconsistent. what to do?
Without your model, there is not much we can do to help you. Try commenting out pieces of your model until it works. Then, add...

3年以上前 | 0

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ABOUT M.TECH PROJECT
See Behavioral model of MEMS accelerometer in Simscape Electrical https://www.mathworks.com/help/sps/ref/accelerometer.html...

3年以上前 | 0

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Engine maximum speed has exceeded by changing engine and clutch parameters?
You can enable the redline control option in the Generic Engine block - see screenshot below. Test it in Vehicle with Manual Tr...

3年以上前 | 0

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How to design a model of car in simulink which implies Automatic Emergency Braking in it. and also controls the slip ratio to a value of 0.2?
Take a look at Anti-Lock Braking System (ABS) https://www.mathworks.com/help/hydro/ug/antilock-braking-system-il.html This...

3年以上前 | 0

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How can I produce plots that mimic the one found in this paper?
Take a look at this example, Double Mass Spring Damper in Simulink and Simscape https://www.mathworks.com/help/simscape/ug/...

3年以上前 | 0

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IC Engine Simulation, Help with Loops
Take a look at the documentation for this Simscape Driveline block, Generic Engine. https://www.mathworks.com/help/sdl/ref/...

3年以上前 | 0