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    • 2. 发明申请
    • ADAPTATION DEVICE FOR A SENSOR WHEEL ON AN INTERNAL COMBUSTION ENGINE
    • 适配装置用于传感器轮在内燃机
    • WO1995023974A1
    • 1995-09-08
    • PCT/DE1995000201
    • 1995-02-16
    • ROBERT BOSCH GMBHAUDI AGMEZGER, ManfredKLENK, MartinBÖHMLER, HeinzMISCHKER, KarstenRIES-MÜLLER, KlausWIMMER, Wolfgang
    • ROBERT BOSCH GMBHAUDI AG
    • G01P21/02
    • G01P3/481G01P21/02
    • A sensor wheel (10) is used, for example, to detect variations in the speed of an internal combustion engine with a high degree of accuracy so that an erratic running value can be calculated from these variations. Such a sensor wheel comprises three segments, for example, which ideally are of equal length but in reality are usually of slightly different lengths. In order to avoid measuring errors owing to these differing lengths when detecting variations in the speed, the actual lengths can be determined by a known adaptation process. The device of the invention is constructed such that it has a plurality of adaptation filters (17.B1 to 17.B4) for each segment in order to detect different adaptation values for different speed ranges since it has emerged that different lengths are measured in different speed ranges, which is an error which has to be compensated for, since the length of a segment is actually permanently constant.
    • 传感器轮(10),例如 用于检测具有高精度的内燃发动机的旋转速度的变化,以计算它们的运行值。 这样的传感器轮具有,例如, 3段,它理想地是相等的长度,但在现实中通常具有稍微不同的长度。 从而防止在检测的速度变化的测量误差,已知由一个适配过程,以确定实际的长度。 本发明的装置是这样构成的,它具有为每个段在多个过滤器适配(17.B1到17.B4)以检测不同的速度范围各种适应值。 它实际上已经发现,不同的长度在不同的速度范围测量,这是一个必须被补偿的误差时,由于段的长度是肯定的确永久恒定。
    • 3. 发明申请
    • DEVICE FOR DETECTING THE ANGULAR POSITION OF A ROTARY MEMBER
    • 用于检测旋转构件的角位置的装置
    • WO1986000415A1
    • 1986-01-16
    • PCT/DE1985000080
    • 1985-03-13
    • ROBERT BOSCH GMBHBÖHMLER, HeinzDÄUMER, RolfMAYER, DieterPERENTHALER, Egbert
    • ROBERT BOSCH GMBH
    • G01P03/489
    • F02P7/0675G01P3/489
    • A device is disclosed for the detection of the angular position of a rotary member presenting at its periphery angle marks (11), respectively teeth, at least one angle mark and/or one interval between two angle marks being distinct in order to form a reference mark (12). This may be achieved for example by providing a larger or narrower angle mark, respectively a gap, between two angle marks. The distance between two edges of angle marks is determined by a counter (17) counting the clock pulses in a continuous free-running mode. For each angle mark edge to be evaluated (leading edge or trailing edge) the instant state of the counter is transmitted to a memory (18). To recognize a reference mark, consecutive stored values are subtracted and comparisons between the corresponding consecutive differences are made. If a difference value deviates from the preceding difference value and from the following difference value by a given amount, a reference mark signal is generated.
    • 公开了一种用于检测在其外围角度标记(11)处呈现的旋转构件的角位置的装置,分别是齿,两个角度标记之间的至少一个角度标记和/或一个间隔是不同的,以形成参考 标记(12)。 这可以例如通过在两个角度标记之间提供更大或更窄的角度标记(分别为间隙)来实现。 角度标记的两个边缘之间的距离由在连续自由运行模式下计数时钟脉冲的计数器(17)确定。 对于要评估的每个角度标记边缘(前缘或后缘),计数器的即时状态被传送到存储器(18)。 为了识别参考标记,减去连续存储的值,并进行相应的连续差异之间的比较。 如果差分值偏离前一个差值,并且从下面的差值偏移给定量,则产生参考标记信号。