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1. 发明授权

US06289294B1 Method for determining rotational data using an encoder device 有权
标题翻译：使用编码器装置确定旋转数据的方法
公开(公告)号：US06289294B1
公开(公告)日：2001-09-11
申请号：US09251542
申请日：1999-02-17
申请人： David H. Rataj , Marvin L. Frinkle , Elliezer P. Freyre
发明人： David H. Rataj , Marvin L. Frinkle , Elliezer P. Freyre
IPC分类号： G01P300
CPC分类号： G01D5/24452 , F02D41/0097 , G01D5/2449 , G01D5/2451 , G01P3/481 , G01P3/489
摘要： A method is provided for determining rotational data from a random pulse pair generated by an encoder device, comprising the steps of: (a) monitoring the rotation of the rotating member using the encoder device; (b) receiving a plurality of pulses from the encoder device, where each of the pulses is indicative of a rotational distance that has been traveled by the rotating member; (c) storing a time value for each of the pulses that has occurred during the previous revolution of the rotating member; (d) identifying a first pulse and a second pulse that have occurred in the current revolution of the rotating member; (e) computing a time difference between the first pulse and the second pulse using a first time value for the first pulse that corresponds to the current revolution of the rotating member and a second time value for the second pulse that corresponds to a previous revolution of the rotating member; and then (f) using the time difference to determine a rotational speed, thereby determining rotational data for the rotating member from the random pulse pair.
摘要翻译：提供一种用于从由编码器装置产生的随机脉冲对确定旋转数据的方法，包括以下步骤：（a）使用编码器装置监测旋转构件的旋转; （b）从所述编码器装置接收多个脉冲，其中所述脉冲中的每一个指示由所述旋转部件行进的旋转距离; （c）存储在旋转构件的先前旋转期间发生的每个脉冲的时间值; （d）识别在旋转构件的当前旋转中发生的第一脉冲和第二脉冲; （e）使用对应于旋转构件的当前旋转的第一脉冲的第一时间值和对应于旋转构件的当前旋转的第二脉冲的第二时间值来计算第一脉冲和第二脉冲之间的时间差旋转构件; 然后（f）使用时间差来确定转速，从而从随机脉冲对确定旋转部件的旋转数据。

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