Toyota Active Control Suspension

Toyota Active Control Suspension was (according to Toyota) the world's first fully active suspension.[1]

It was a complex hydropneumatic, computer-controlled active suspension system. This did away with conventional springs and anti-roll (stabiliser) bars in favour of hydraulic struts controlled by an array of sensors (such as yaw velocity sensors, vertical G sensors, height sensors, wheel speed sensors, longitudinal and lateral G sensors) that detected cornering, acceleration and braking forces. The system worked well and gave an unusually controlled yet smooth ride with no body roll.[2] However, the additional weight and power requirements of the system affected straight-line performance somewhat.[3][4]

Introduced in September 1989 on the Japanese market only Toyota Celica ST183 GT-R Active Sports.

Ten years later, Mercedes-Benz introduced a very similar active suspension, called Active Body Control, on the Mercedes-Benz CL-Class in 1999.

Vehicles
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See also

References
  1. "TOYOTA MOTOR CORPORATION GLOBAL WEBSITE - 75 Years of TOYOTA - Technical Development - Chassis". www.toyota-global.com. Retrieved 20 July 2018.
  2. "Toyota Soarer UZZ32". Youtube. UZZ32. 2014-11-02. Retrieved 18 January 2015.
  3. "Development of an electronic control system for active suspension - IEEE Conference Publication". doi:10.1109/CDC.1990.204020. Cite journal requires |journal= (help)
  4. Yamada, Masatoshi; Iwatsuki, Kunihiro; Ohashi, Kaoru (1993). Maeda, T. (ed.). Development of automotive hydraulics at Toyota. Fluid Power. Japan: E & FN Spon. ISBN 0-419-19100-3.
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