Servo deviation rectifying method and system, servo driver, frequency conversion system and paper mounting machine

Abstract

The invention provides a servo deviation rectifying method and system, a servo driver, a frequency conversion system and a paper mounting machine. The servo deviation rectifying method comprises the steps that a left deviation rectifying servo receives a first photoelectric signal and a second photoelectric signal which are sent by a left bottom paper photoelectric sensor and a left surface paper photoelectric sensor correspondingly, and a right deviation rectifying servo receives a third photoelectric signal and a fourth photoelectric signal which are sent by a right bottom paper photoelectric sensor and a right surface paper photoelectric sensor correspondingly; the left deviation rectifying servo calculates a left position difference value according to the sequence and the time difference of the first photoelectric signal and the second photoelectric signal, and the right deviation rectifying servo calculates a right position difference value according to the sequence and the time difference of the third photoelectric signal and the fourth photoelectric signal; and the left deviation rectifying servo and the right deviation rectifying servo conduct deviation rectifying compensation according to the left position difference value and the right position difference value correspondingly. According to the scheme, the servo deviation rectifying method is not limited by the type of an upper computer, the instruction issuing and transmitting time is omitted, deviation rectifying operation of the paper mounting machine can be independently completed, the deviation rectifying speed is higher, the deviation rectifying precision is higher, and the paper mounting quality can be improved easily.

Description

technical field [0001] The invention relates to the technical field of deviation correction of a laminating machine, in particular to a servo deviation correction method, a system, a servo driver, a frequency conversion system and a laminating machine. Background technique [0002] Common deflection correction devices for laminating machines can be divided into mechanical deflection correction devices and servo deflection correction devices. The mechanical correction device is divided into: side gauge correction, front gauge correction, push gauge correction, full spring correction, etc.; servo correction is to collect the photoelectric switch signal when the paper passes, and identify, calculate and process the data through the motion control card. Control the rules to make the paper run at the planned speed within the predetermined distance to achieve the alignment of the front end of the surface paper and achieve the purpose of deviation correction. [0003] In the servo...

AI Technical Summary

Problems solved by technology

However, there will be a delay between signal collection to the motion controller, motion controller planning calculation, motion controller instructions to the servo driver, and the servo driver to perform deviation correction due to the impact of the motion controller execution cycle and signal instruction transmission. At low speeds, the control accuracy can still meet the requirements, but at high or ultra-high speeds, the control accuracy becomes poor, and waste products are likely to be generated.

Images