| CMAC-PID COMPOSITE CONTROL FOR THE POSITION CONTROL OF
A FULLY VARIABLE VALVE SYSTEM |
| Qingya Zhou 1, Liang Liu 1, Longxin Jiang 2, Zhaoping Xu 1 |
1School of Mechanical Engineering, Nanjing University of Science and Technology
2Flight Control Department, Shanghai Institute of Aerospace Control Technology |
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| ABSTRACT |
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This paper presents a cerebella model articulation and proportion integral derivative (CMAC-PID) composite
control scheme for a fully variable valve system (FVVS), the precise position control and fully variability of the valve are
realized. Firstly, the FVVS model based on the brushless direct current (BLDC) motor is established. The system has the
advantages of simple structure, fast response time and good seating performance. Then, the three-closed-loop control scheme
is designed, especially the CMAC-PID composite control is proposed applied to the position loop control. Moreover, the
superiority of CMAC-PID composite control over traditional PID control is comparative analyzed by simulation. The
simulation and experimental results demonstrate the effectiveness of the designed FVVS and the preeminence of the
proposed CMAC-PID composite control in position control of fully variable valve. |
| Key Words:
CMAC-PID composite control, Fully variable valve system, Traditional PID control, BLDC motor,
Valve position control |
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Corresponding Author.
Liang Liu , Email. 
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