A Regenerative Active Suspension System

Paper #:
  • 910659

Published:
  • 1991-02-01
Citation:
Wendel, G. and Stecklein, G., "A Regenerative Active Suspension System," SAE Technical Paper 910659, 1991, https://doi.org/10.4271/910659.
Pages:
9
Abstract:
Active automotive suspension systems have been under development for a number of years with recent introductions of various versions. A suspension system can be considered “active” when an outside power source is used to alter its characteristics, and these systems can be placed into one of three (3) different categories: semi-active damping, fully active, and low frequency active. A regenerative pump concept can minimize the power requirement for the low frequency active system. It utilizes four (4) independent variable displacement pump/motor combinations on a common shaft to actuate each individual suspension unit. This paper overviews the system configuration, describes the power and energy-saving features of the system, and discusses possible pump configurations and control strategies.
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