Velocity detection method and motor control device using the method
A technology of speed detection and speed, which is applied in measuring devices, linear/angular speed measurement, speed/acceleration/shock measurement, etc., and can solve the problem of large fluctuations in detection speed
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[0044] The composition and the speed detection device of implementing the method of the present invention figure 2 The prior art shown is the same. figure 1 yes means figure 2 A flowchart of the processing sequence of the speed detection method of the present invention of the speed detection device. Next, use figure 1 The method of the present invention will be described in order.
[0045] First, in order to perform the initialization process in step 1, the number of consecutive multi-pulse consecutive times N, the previous position pulse value n(k-1), and All the previous timer values t(k-1) become 0.
[0046] Next, in step 2, send the read-out signal 10 by the speed arithmetic unit 6 and read in this position pulse value n(k) from the position register 3, and read in this timer value t(k) from the time register 5 .
[0047] In step 3, the change pulse value Δn(k) and the change timer value Δt(k) are obtained as shown in equations (1) and (2) as in the prior art.
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