Application of IPSO-BP Network Algorithm in Semi-active Suspension Control

LIU Shun-an; HU Qing-yu; GAO Chun-fu; YU Xian-li; YAO Yong-ming; CHEN Yan-li

doi:10.3969/j.issn.0254-0037.2011.09.001

Journal of Beijing University of Technology > 2011 > 37(9): 1281-1286. > DOI: 10.3969/j.issn.0254-0037.2011.09.001

LIU Shun-an, HU Qing-yu, GAO Chun-fu, YU Xian-li, YAO Yong-ming, CHEN Yan-li. Application of IPSO-BP Network Algorithm in Semi-active Suspension Control[J]. Journal of Beijing University of Technology, 2011, 37(9): 1281-1286. DOI: 10.3969/j.issn.0254-0037.2011.09.001

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Application of IPSO-BP Network Algorithm in Semi-active Suspension Control

1. Mechanical Engineering Institute, Jilin University, Changchun 130022, China;
2. Institute of Mechanical Device & Measurement and Control, Zhejiang Normal University, Jinhua 321004, Zhejiang, China

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Received Date: June 08, 2009
Available Online: November 18, 2022

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To improve the performance of semi-active suspension,the paper proposes an IPSO-BP algorithm as an adaptive semi-active suspension control algorithm.The IPSO algorithm improves the standard PSO algorithm to perfect the convergence rate and the capability of global convergence and is used for the BP neural network learning algorithm for adaptive semi-active suspension control.Adaptive controller has a two-unit structure neural network.One is an input controller,which adjusts the value of semi-active suspension damping in accordance with the road input;and the other is a semi-active suspension identifier which is used for online identification.Through the adaptive control test of the semi-active suspension based on the semi-active suspension controller,results show that the controller based on the IPSO-BP algorithm obviously improves the comfort and ride quality of the car.The vertical acceleration of the car body reduces 21.73% compared with the PSO-BP semi-active suspension.This algorithm improves the vehicle suspension performance.
- semi-active suspension,
- adaptive control,
- IPSO-BP algorithm,
- IPSO mechanism

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