| THE MECHATRONIC VEHICLE CORNER OF DARMSTADT UNIVERSITY OF TECHNOLOGY - INTERACTION AND COOPERATION OF A SENSOR TIRE, NEW LOW-ENERGY DISC BRAKE AND SMART WHEEL SUSPENSION |
| Steffen Gruber, Bert Breuer, Michael Barz, Karlheinz Bill, Martin Semsch, Thomas Strothjohann, Chunyang Xie |
| Darmstadt University of Technology |
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| ABSTRACT |
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Future on-board vehicle control systems can be further improved through new types of mechatronic systems. In particular, these systems capacities for interaction enhance safety, comfort and economic viability. The Automotive Engineering Department (fzd) of Darmstadt University of Technology is engaged in research of the mechatronic vehicle corner, which consists of three subsystems: sensor tire, electrically actuated wheel brake and smart suspension. By intercommunication of these these three systems, the brake controller receives direct, fast and permanent information about dynamic events in the tire contact area provided by the tire sensor as valuable control input. This allows to control operation conditions of each wheel brake. The information provided by the tire sensor for example helps to distinguish between straightline driving and cornering as well as to determine μ-split conditons. In conjunction with current information of dynamic wheel loads, tire pressures and friction tyre/road, the ideal brake force distribution can be achieved. Alike through integration of adaptive suspension bushings, elastokinematic behaviour and wheel positions can be adapted to manoeuver-oriented requirements. |
| Key Words:
Mechatronics, Tire sensor, Brake-by-wire, Active suspension |
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