Smooth digital filtering method for continuous rotating angle signals
A technology of digital filtering and corner signals, applied in the direction of digital technology network, impedance network, electrical components, etc., to achieve the effect of simple implementation and low cost
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[0035] see figure 1 , the implementation steps of the smoothing digital filtering method for continuous corner signals in this embodiment are as follows:
[0036] 1) Obtain the input value u to be filtered regularly, and jump to step 2) for each input value u at the current moment. In this embodiment, the subsequent processing of the input value u at the current moment is performed through the variable temp, so after obtaining the input value u to be filtered, it is necessary to assign the input value u to be filtered to the variable temp.
[0037] 2) Sum the absolute value of the input value u at the current moment and the absolute value of the output value y(k-1) at the previous moment to obtain the summation value |u|+|y(k-1)|, and judge the summation Whether the value is greater than 180 degrees (|u|+|y(k-1)|>180) and the sign of the input value at the current moment and the input value at the previous moment is opposite (u*y(k-1)<0) Whether it is true at the same time, ...
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