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Determination of the absolute angular position of a steering wheel by incremental measurement and measuring the differential speed of the wheels
Determination of the absolute angular position of a steering wheel by incremental measurement and measuring the differential speed of the wheels
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机译:通过增量测量和测量车轮的差速来确定方向盘的绝对角位置
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摘要
The system for determining the absolute angular position θ of a steering wheel (1) of a motor vehicle with respect to the chassis thereof comprises a device for incrementally measuring the relative angular position δ of the steering wheel, a device (2) for measuring the differential velocity ΔV/V of the wheels mounted on the same axle and a processing device (8) for sampling the angular positions and differential velocities at a period t. Said device comprises computing means suitable to determine at moments tn: the estimate θ*(tn) of an absolute angular position θ(tn) according to the differential velocity ΔV/V, the mean difference offset(tn) between the angular positions θ*(tn) and δ(ti), wherein i is a variant ranging from 0 to n and the absolute angular position θ(tn) by the addition between the mean difference offset(tn) and the angular position δ(tn).
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机译:用于确定机动车的方向盘( 1 B>)相对于其底盘的绝对角位置θ的系统包括用于增量地测量方向盘的相对角位置δ的设备,用于测量安装在同一车轴上的车轮的速度差ΔV/ V的设备( 2 B>)和用于在以下位置采样角位置和速度差的处理设备( 8 B>)一段时期所述装置包括适合于在时刻tn确定的计算装置:根据差速ΔV确定绝对角位置θ(t n Sub>)的估计θ*(t n Sub>) / V,角位置θ*(t n Sub>)和δ(t i Sub>)之间的平均差偏移(t n Sub>),其中i是平均差偏移量(t n Sub>)与角位置δ相加的结果,范围是从0到n和绝对角位置θ(t n Sub>) (t n Sub>)。
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