Multi-motor Synchronous Control Method of Construction Elevator Based on Embedded Technology
To improve the automation control level of construction elevators,a multi motor synchronous con-trol method for construction elevators based on embedded technology was designed,selected an embedded chip with model STM32F407 as the embedded microprocessor for multi motor synchronous control.Using the deviation coupling control method,the speed of one motor of the construction elevator was treated as a differ-ence from the feedback results of other motor speed information.Set the speed deviation of multiple motors as the speed compensation signal,and used a sliding mode speed controller to quickly converge the speed error of the motor until it approaches 0,determining the motor control quantity.The embedded chip sends motor control commands to the motor drive unit based on the motor control quantity.After receiving the control sig-nal,the motor drive unit controls the motor operation parameters of the construction elevator to achieve syn-chronous control of multiple motors of the construction elevator.The experimental results show that using this method to control multiple motors of construction elevators can reduce tracking error and synchronization error to 10r/min,and the synchronous control performance of multiple motors is superior.
embedded technologyconstruction elevatormulti-motorsynchronous control methodmicro-processordeviation-coupled control
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维普
