Cascade Adaptive Control for Active Suspension System

International Journal of Electrical and Electronics Engineering

© 2019 by SSRG - IJEEE Journal

Volume 6 Issue 9

Year of Publication : 2019

Authors : Chi Nguyen Van, Hoang Dang Danh

10.14445/23488379/IJEEE-V6I9P101

How to Cite?

Chi Nguyen Van, Hoang Dang Danh, "Cascade Adaptive Control for Active Suspension System," SSRG International Journal of Electrical and Electronics Engineering, vol. 6,  no. 9, pp. 1-7, 2019. Crossref, https://doi.org/10.14445/23488379/IJEEE-V6I9P101

Abstract:

This paper presents the active suspension system (ASS) control method using the adaptive cascade control scheme. The control scheme is implemented by two control loops, the inner control loop and outer control loop are designed respectively. The innner control loop use the pole assignment mehod in order to move the poles of the original system to desired poles respect to the required performance of the suspension system. To design controller in inner loop, the model without the noise caused by road profile and velocity of the car is used. The outer control loop then designed with adaptive mechanism calculates the active control force to compensate the vibrations caused by road profile and velocity of the car. The control force is determined by error between states of reference model and states of suspension systems, the reference model is the model of closed loop with inner control loop without the noise. The simulation results implemented by using the practice date of the road profile show that the capability of oscillation decrease for ASS is quitely efficient.

Keywords:

Suspension system; Adaptive control; Cascade control; Road excitation; Road profile; Pole assignment method.

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