Haptic Feedback Generation for a Direction Indicator Switch
Over the last decades, time simulation of mechanisms is performed using special computer programs that implement general formulations, known in the literature as Multi-Body Systems (MBS) formulations. The name is related to the model structure used for the mechanism, which is often regarded as a collection of bodies inter-connected through joints [1, 2]. One important aspect in Virtual Prototyping is the output of an MBS simulation which is done as part of a design. At this moment, the standard output of an MBS simulation is a workstation psuedo-3D based motion animation. However, in many cases, visualization does not provide all required output. Examples are switches (in a car there are several, also with complex forceprofiles like the direction-indicator in a car), hand-operated mechanisms (in a car for example the gear shift…). for bringing the output of the simulation closer to the user, force feedback or haptic output devices could be of more interest than analyzing numerical diagrams and data output. Realizing the correct “switch-sensation” is a sensible challenge in haptics feedback for complete car simulators. Unlike most of the VR applications in which precision of the physical behaviour simulation is not crucial, in the case of a car direction indicator switch, the precision of simulation is crucial for the correct sensation provided to the driver.
KeywordsTorque Romania MAXON Colgate
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