Recently met a problem, want to ask everybody a great god,
problem background

CodePudding user response:

Feel dislocation is not balanced, in the middle of the dislocation, the dislocation less, on both sides of the can should be revised accordingly

CodePudding user response:

Every two rows displacement quantity is different, as if the question is not very common, I did not find in it with making similar parity dislocation line correction code

CodePudding user response:

Encoder is the difference in with 90 - degree A, B two phase pulse to distinguish between positive and negative

CodePudding user response:

I know, because, in two stroke is not the same as the initial Angle encoder and reversing, at the beginning of a pulse phase, caused this result,

CodePudding user response:

Got a algorithm, can barely see

CodePudding user response:

Distinguish between positive and negative turn, meter pulse number
Has nothing to do with the early phase

CodePudding user response:

refer to 6th floor schlafenhamster response:

after the distinction between positive &negative, meter pulse number
Has nothing to do with the initial phase

But acquisition card USES the trigger pulse is rising along the trigger, A phase is to turn to reverse motor, the motor of the initial position of the pulse phase Angle has influence on the... Students with poor grades a, don't understand just come here to ask the

CodePudding user response:

If acquisition without losing pulse, you can try is rising along the trigger, reversing along the trigger fall

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The identification of encoder and reversing

CodePudding user response:

refer to the eighth floor zgl7903 response:

without losing pulse acquisition, can try turn is rising along the trigger, reversing along the trigger fall

this I tried before but seems the effect is not so good, I haven't went to the side, the pulse in theory, should go up along the is the falling edge of the return,

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Ab 4 times frequency phase encoder

CodePudding user response:

The

reference 11 floor schlafenhamster response:

searchAb phase encoder 4 times frequency

Brother, I saw four times the frequency, so that we can make the precision of the encoder, 4 times 4 times if I acquisition card through a TTL wave, is indeed can reduce the error of positive &negative, just like I used to tell the teacher in a high precision encoders, I this encoder only 100 p/r,

CodePudding user response:

"Positive &negative error" should not exist, or location will be wrong!
Walk the position of the stop position more than last time (phase), be back in reverse, and then count!