how to design hydraulic actuator for suspension system?

Question

faraz ahmed 2012-9-17

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https://ww2.mathworks.cn/matlabcentral/answers/48324-how-to-design-hydraulic-actuator-for-suspension-system

评论： Zhongwei 2024-7-16

Gm! i m working on suspension system, bt i have some problem in designing hydraulic actuator. i want to know about how to introduce hydraulic system in active suspension system, using simulink.

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Sam Chak 2022-10-18

Hi @yu

What is a hydraulic actuator? Does the design involve mathematical modeling?

Zhongwei 2024-7-16

Do you have any ideas on how to build a hydraulic active suspension model?

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Answer 1

Yifeng Tang 2022-6-1

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https://ww2.mathworks.cn/matlabcentral/answers/48324-how-to-design-hydraulic-actuator-for-suspension-system#answer_976310

Attempt to answer from 10 years later .... lol

I suggest you use Simscape Multibody to model the mechanical part of the suspension. These two examples are some good starting point:

https://www.mathworks.com/help/physmod/sm/ug/double-wishbone-suspension.html

https://www.mathworks.com/help/physmod/sm/ug/independent-suspension-system-templates.html

These two suspension examples don't have any hydraulic components, but you can integrate a hydraulic cylinder using a Translational Multibody Interface block. There are a few example how this can be done:

https://www.mathworks.com/help/physmod/sm/ug/hydraulic-interface-dump-trailer-with-hydraulic-cylinder.html

https://www.mathworks.com/help/physmod/sm/ug/backhoe.html

And then, design your controller, since it's an active suspension system, in Simulink and/or Stateflow.