Abstract: A
statistic linearization analysis method of bad nolinear
hydraulic active damping suspension is provided. Also the
optimum control strategy of semi-active suspension and graded
control strategy based on it are put forward. Experimental
researches are carried out on a 2 DOF (degree of freedom)
hydraulic active damping suspension test system. The results
showed that an excellent control effectiveness could be obtained
by using statistic linearization optimum control with
unfortunely requests continuously regulation the damp in an
accurate way and costs much in engineering application . On the
contrary, the results also showed that graded control is more
practicable which has a control effectiveness close to the
optimum control and costs less.
Key words: Semi-active
suspension Hydraulic damping Statistic optimum control Graded
control
*
This project
is supported by Cao Guangbiao High Technology Foundation of zhejiang
University. Manuscript received on
June 17, 1999; revised manuscript October 29, 1999
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