Full car semi-active suspension control based on quarter car control

摘要

A method of control for a vehicle suspension system comprising four quarter car suspensions and a suspended vehicle body, comprising the steps of developing a quarter car command for each quarter car suspension in response to a signal representative of that quarter car state, developing a semi-rigid body command in response to a signal representative of a state of the suspended vehicle body, and developing a force command controlling force between sprung and unsprung masses in each quarter car suspension, the force command equal to the greater of the quarter car command and the semi-rigid body command.