Design on a lag-lead emendation network for some missile control system

Xiwei Guo,Deliang Liu,Zhuo Li,You Zhai

doi:10.1186/s13638-017-0830-6

Abstract

Aiming at solving the problem that the adaptability of some missiles in highland environment is bad, the stability of some missile control system in highland environment is analyzed by the method of frequency domain. For the problem existed, the lag-lead emendation network for the missile control system is designed and the conclusion analyzed proves that the emendation network improves the stability of the control system. At last, the circuit for this emendation network is designed and analyzed, and also the parameters for components and integrate circuits are also given.

Highlights

A certain anti-tank missile can only be used in plain area, and it cannot adapt to high-altitude environment in which it cannot fly stably even to drop to the ground
To analyze the above problem in low-cost condition, this paper analyzes the stability of the control system under high-altitude environment with frequency domain analysis method
The feasibility of the emendation network is validated and it can improve the adaptability of the control system under highaltitude environment, for the phase stability and the amplitude stability are both eligible

Summary

Introduction

A certain anti-tank missile can only be used in plain area, and it cannot adapt to high-altitude environment in which it cannot fly stably even to drop to the ground. To analyze the above problem in low-cost condition, this paper analyzes the stability of the control system under high-altitude environment with frequency domain analysis method. To improve the adaptability of the missile in highland environment, emendation network for the control system is designed. The feasibility of the emendation network is validated and it can improve the adaptability of the control system under highaltitude environment, for the phase stability and the amplitude stability are both eligible. According to the stability criterion of minimum phase system, the simulated amplitude crossover frequency ωc is larger than phase crossover frequency ωg. It indicates that the original control system is unstable at high altitudes. The adjusting time of the system is too long for the crossover frequency is too low, which results in the response of the system to instructions being slow [1]

Design of the lag-lead emendation network

Conclusions