Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...

Active Control Suspension was (according to Toyota) the world's first fully

active suspension An active suspension is a type of automotive suspension on a vehicle. It uses an onboard system to control the vertical movement of the vehicle's wheels relative to the chassis or vehicle body rather than the passive suspension provided by large sp ...

. It was a complex

hydropneumatic Hydropneumatic suspension is a type of motor vehicle suspension system, designed by Paul Magès, invented by Citroën, and fitted to Citroën cars, as well as being used under licence by other car manufacturers, notably Rolls-Royce ( Silver Shado ...

, computer-controlled

system. This did away with conventional springs and anti-roll (stabiliser) bars in favour of

hydraulic Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counter ...

strut A strut is a structural component commonly found in engineering, aeronautics, architecture and anatomy. Struts generally work by resisting longitudinal compression, but they may also serve in tension. Human anatomy Part of the functionality o ...

s controlled by an array of

sensor A sensor is a device that produces an output signal for the purpose of sensing a physical phenomenon. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends ...

s (such as yaw velocity sensors, vertical G sensors, height sensors,

wheel speed sensor A wheel speed sensor (WSS) or vehicle speed sensor (VSS) is a type of tachometer. It is a sender device used for reading the speed of a vehicle's wheel rotation. It usually consists of a toothed ring and pickup. Automotive wheel speed sensor ...

s, 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 Body roll is the axial rotation of a vehicle’s body towards the outside of a turn. Body roll occurs because the compliance in vehicle suspension allows the vehicle body, which sits upon the suspension, to lean in the direction of the perceived ...

. However, the additional weight and power requirements of the system affected straight-line performance somewhat. Introduced in September 1989 on the Japanese market only

Toyota Celica The is an automobile produced by Toyota from 1970 until 2006. The Celica name derives from the Latin word '' coelica'' meaning 'heavenly' or 'celestial'. In Japan, the Celica was exclusive to the ''Toyota Corolla Store'' dealer chain. Produce ...

ST183 GT-R Active Sports. Ten years later,

Mercedes-Benz Mercedes-Benz (), commonly referred to as Mercedes and sometimes as Benz, is a German luxury and commercial vehicle automotive brand established in 1926. Mercedes-Benz AG (a Mercedes-Benz Group subsidiary established in 2019) is headquartere ...

introduced a very similar active suspension, called

Active Body Control Active Body Control, or ABC, is the Mercedes-Benz brand name used to describe electronically controlled hydropneumatic suspension. This suspension combines a high level of ride quality with control of the vehicle body motions, and therefore vi ...

, on the

Mercedes-Benz CL-Class The Mercedes-Benz CL-Class is a line of grand tourers which was produced by German automaker Mercedes-Benz, produced from 1992 to 2014. The name CL stands for the German Coupé Leicht (Coupé-Light) or Coupé Luxusklasse (Coupé-Luxury). It is ...

in 1999.

Vehicles

Toyota Curren The is a sport compact coupé built by Toyota from 1994 to 1998. It is based on the T200 series Celica chassis. It shared the same interior and rear end design as the Celica coupé. Instead of having four round headlamps like the Celica, it ha ...

ST207 1994-1995 XS Touring Selection *

ST183 1989–1993 *

Toyota Soarer The is a personal luxury GT coupé produced from 1981 to 2005 by Toyota and sold in Japan. It was available at both Japanese Toyota dealerships called ''Toyota Store'' and ''Toyopet Store'', and it debuted with the Z10 series, replacing the ''T ...

1991–1996

References

{{Reflist Toyota Automotive suspension technologies Automotive technology tradenames Automotive safety technologies Auto parts Mechanical power control

Vehicles

See also

References