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Position detecting method

阅读:475发布:2021-12-12

专利汇可以提供Position detecting method专利检索,专利查询,专利分析的服务。并且PURPOSE: To perform the position detection without a multidigit encoder by computing the position by sampling outputs of an encoder the digit of which is not less than that of the increment of the maximum value of the movement of the object to be detected.
CONSTITUTION: When the maximum value of the movement is four increments or less during the sampling and the number of digits of the encoder is one and the present position at the time this sampling is finished is S
n and the value of the encoder in the sampling at this time is x
n , the following formulas hold. Namely ΔS
n =x
n -x
n-1 ...(1), when |ΔS
n |≤4...(2), S
n =S
n-1 +ΔS
n = S
n-1 +x
n -x
n-1 ... (3), when ΔS
n ≥6...(4), S
n =S
n-1 -(10-ΔS
n )=S
n-1 -[10- (x
n -x
n-1 )]...(5), when ΔS
n ≤-6 ...(6), S
n =S
n-1 +(10+ΔS
n )=S
n-1 +[10+(x
n -x
n-1 ) ]...(7), S
n-1 =S
n ...(8), x
n-1 =x
n ...(9). Accordingly the present position can be obtained by computing the formulas (1)W(9) every time the sampling time is reached. When the maximum value of the movement of the object to be detected is 49 increments or less, the detection is performed by a two- digit encoder.
COPYRIGHT: (C)1980,JPO&Japio,下面是Position detecting method专利的具体信息内容。

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