Abstract
For the servo dual motor linkage lag and large error problems, electronic cam curve planning is introduced. This servo system uses Microchip's MPLAB development platform and consists of a digital servo driver, two servo motors, etc. The servo motors use a vector control strategy. The position command of the slave servo motor is calculated according to the speed of the spindle motor and the electronic cam table, and the reciprocating motion of the motor pendulum is realised by simulating a mechanical cam, and the five-term and one-term curves are used to articulate with each other in the acceleration, uniform speed and deceleration stages. The experimental results show that with the electronic cam scheme, the servo system combines the advantages of high response speed and high control accuracy, while the curve planning and parameters are easy to adjust and meet the requirements of industrial production.
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