Design Of The Steering Engine Control System For Missiles Based On DSP

Missile steering engine system is a high-precision servo system, which is the implementation of the missile control system, and it is also an important component part of missile flight control system. The purpose of the study of this topic is to design a missile steering with precise, rapid real-time control of the digital control system. Steering system is mainly from the steering servo controller and driver institution which is composed by thulium motor and harmonic drive.In order to improve the steering engine control system's dynamic and steady-state performance, improve system response speed and torque control accuracy, this paper mainly completed the following work:First, the study of the paper from the steering engine drive and the composition of the work principle, establish a BLDCM the mathematical model and simulation modeling it.Secondly, according to the steering engine system characteristics and combining with the advantages of fuzzy control's strong adaptability and PID control's small steady-state error, this paper presents the system for the fuzzy PID control algorithm. The error of real-time steering engine angle between target angle and the transformation of error get a reasonable intelligent classification. Using fuzzy controller to replace the traditional steering servo controller to improve the control performance and get better of the dynamic and static response. In a building based on fuzzy PID control of the steering position control system, we use MATLAB / SIMULINK platform to conduct its control system simulation.Finally, in the study of the TMS320F2812DSP device's structure of hardware and software and the characteristics of motor control, on this basis we design a DSP-core quad servo control system. Communication bus will messages the operational status of real-time data upload supremacy into the computer, and using Matlab software to Off-line analysis and evaluate the steering engine system.