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METHOD FOR DETERMINING THE DYNAMIC ROLLING RADIUS OF TYRES
METHOD FOR DETERMINING THE DYNAMIC ROLLING RADIUS OF TYRES
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机译:轮胎动态滚动半径的确定方法
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摘要
The present invention relates to a method for improving parking precision in driver assistance systems comprising an electronic compass (30). The following method steps are performed: An electronic compass (30) is coupled to the driver assistance system. Rolling radii are calibrated on tyres (20, 22) mounted on the vehicle (10) on the basis of path pulses (36, 38), a track width (24) and a distance dWIC covered per wheel pulse (36, 38). A change in angle Δ φWIC is then determined, whereupon an absolute change in angle Δ φKompass is performed using the electronic compass. Finally a corrective factor is determined for the distance covered per wheel pulse.
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