A kind of single-input single-output neural net adaptive controller (SISO-NNC) and its algorithm have been presented. For the computer simulation and the special requirements of control problem, we have improved tradi...A kind of single-input single-output neural net adaptive controller (SISO-NNC) and its algorithm have been presented. For the computer simulation and the special requirements of control problem, we have improved traditional BP algorithm and solved the problem of local minimum to some extent. Using the SISO-NNC to control time-varying system, the simulation results show advantages of neural net controller in control field.展开更多
The attitude adjustment of rope system faces the challenging due to the difficulty in obtaining accurate three-dimensional(3D)mathematical model and solving by traditional methods.A set of adjustment systems is design...The attitude adjustment of rope system faces the challenging due to the difficulty in obtaining accurate three-dimensional(3D)mathematical model and solving by traditional methods.A set of adjustment systems is designed and used to investigate the automatic control for level or preset attitude adjustment of unknown weights and eccentric loads.The system principle and characteristics are analyzed.The 3D model is decomposed into two two-dimensional(2D)subsystems,and an adaptive fuzzy controller based on BP neural network and least squares(LSE)is designed.The simulation experiment uses MATLAB to train the level-adjustment data for testing algorithm,and a small load is used to verify the effectiveness of the system.The experimental results show that precise attitude adjustment can be achieved within the system load range,and the response speed is fast.This adjustment method provides a fast and effective method for precise adjustment of the load attitude.展开更多
文摘A kind of single-input single-output neural net adaptive controller (SISO-NNC) and its algorithm have been presented. For the computer simulation and the special requirements of control problem, we have improved traditional BP algorithm and solved the problem of local minimum to some extent. Using the SISO-NNC to control time-varying system, the simulation results show advantages of neural net controller in control field.
基金National Natural Science Foundation of China(No.61605177)
文摘The attitude adjustment of rope system faces the challenging due to the difficulty in obtaining accurate three-dimensional(3D)mathematical model and solving by traditional methods.A set of adjustment systems is designed and used to investigate the automatic control for level or preset attitude adjustment of unknown weights and eccentric loads.The system principle and characteristics are analyzed.The 3D model is decomposed into two two-dimensional(2D)subsystems,and an adaptive fuzzy controller based on BP neural network and least squares(LSE)is designed.The simulation experiment uses MATLAB to train the level-adjustment data for testing algorithm,and a small load is used to verify the effectiveness of the system.The experimental results show that precise attitude adjustment can be achieved within the system load range,and the response speed is fast.This adjustment method provides a fast and effective method for precise adjustment of the load attitude.