专利汇可以提供Moving average value digital operation control专利检索,专利查询,专利分析的服务。并且PURPOSE: To reduce the rupple component rate included in the output, by giving a constitution where a specific condition is established between the number of processed data for calculation of a moving average value and the sampling interval of data.
CONSTITUTION: AC voltage (x) is converted to digital quantory x' at the sampling timing from sampling timing control unit 2 by A/D converter 1. Output x' of converter 1 is converted to absolute value x" by absolute quantity changing equipment 3, and absolute value x" is given to moving average value calculating unit 4 to calculate the moving average value, and output value (y) is obtained. In this case, data are rearranged to such positional relation that the numger of data x" used in unit 4 may correspond to one-period components of x" equivalently and x" may be equivalent relatively. The sampling period of unit 2 and the number of data used in unit 4 are so set that position relations of all data may be different from one another and position relations on the phase between respective data may be equal to one another under this state. As a result, the data volume used for average value calculation is increased practically, and the ripple component rate of output (y) is reduced.
COPYRIGHT: (C)1981,JPO&Japio,下面是Moving average value digital operation control专利的具体信息内容。
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