Research And Application Of Production Process Control Of Multifunctional Wood Boar

In multifunctional wood-based panel production,accurate control of production rhythm and stable operation of production equipment load motors are key to product quality and process control.In the processing of wood-based panels,the instability of the actual working speed of the motor has a significant impact on the forming quality of the panel and the energy consumption control of the production line,such as the mixing homogeneity in the mixing process,the smoothness of spreader of the mixed material in the laying process,the prepressing density of the panel,the regularity degree of stacking in the stacking process,the production rhythm control of the production line,and equipment idling,etc.For the motor speed variation issue in the multifunctional wood-based panel production process,the following research has been conducted:(1)A control system with fast response,high accuracy,and strong anti-interference ability is required to control the motor speed in multifunctional wood-based panel production.Combining PID(proportional-integral-differential)control and fuzzy control,an adaptive fuzzy PID control algorithm is proposed,an adaptive fuzzy PID controller is designed,it is optimized by genetic algorithm and an improved particle swarm algorithm,and applied to the PLC(Programmable Logic Controller)control system in the wood-based panel production process.(2)Based on the mathematical equation of the motor,a mathematical model of the speed control system for the transportation motor in the stacking process is established using Matlab/Simulink modules.The self-designed adaptive fuzzy PID control system is applied to simulate the motor conditions under multiple working conditions.The results show that compared with the traditional PID control system and fuzzy PID control,the designed adaptive fuzzy PID control system has improved dynamic performance,steady-state performance,and robustness,meeting the requirements of stable motor operation control in multifunctional wood-based panel production.(3)The hardware and software systems for the stacking process in multifunctional wood-based panel production have been developed.The hardware system includes PLC selection,cylinder selection and pneumatic control schematics,hydraulic cylinder selection and hydraulic control schematics,etc.The software system,based on the TIA v16(Siemens Simatic Totally Integrated Automation V16)platform,develops a human-machine interaction interface using the adaptive fuzzy PID control algorithm,mainly implementing control system parameter initialization,motion control of stacking electromechanical equipment,and motion control of hydraulic support equipment modules.Finally,the simulation effect of the adaptive fuzzy PID control system is verified through the simulated production transportation process,and the motor speed control system and program parameters are modified through actual operation of the equipment,meeting the process control requirements and providing a theoretical basis for motor speed control in other processes of multifunctional wood-based panel production.