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Since decades KISTLER is contiuously innovating in the field of piezoelectric sensor technology. This paper describes major technological progresses in the field of rotating wheel dynamometers: the six-component Rotating Wheel Dynamometer RWD and the Rotating Wheel Torque Meter RWT. First the systems are explained in detail, then outstanding applications in vehicle development, tire power loss determination and tire deformation investigation are given. An outlook on upcoming innovations concludes the paper.

Wheel force transducers (WFT) play an increasing role in endurance evaluation of road vehicles, ride and handling optimization, tire development and vehicle dynamics. With paper 980262 part I of an investigation of seven WFT–systems was presented. After a general evaluation two systems were compared in more detail. From a more basic interest deeper consideration was given to Angle Error Correction and material selection. This paper reports on part II of the investigation. The general evaluation of present systems on the market is updated and refined including new systems and updated versions. Thus an unique and quick overview is provided mirroring the present status of WFT technology. Special attention is given to systems best suited for applications in tire development, for driving dynamics optimization, active safety and active suspension development as well as in the ride and handling area.