Helicopter flight control system design

R. F. Liu, C. D. Yang, B. W. Chiang

Research output: Contribution to journalArticlepeer-review


The purpose of this paper is to design helicopter flight control system and improve its stability, maneuverability, and agility. Firstly, the linearized mathematical model of a helicopter is established from the nonlinear dynamic equations with six degrees of freedom . Then, modern linear control theory, such as linear quadratic regulator (LQR), and H theory, are applied to the linearized model of the helicopter to design closed-loop flight control system. The linear controller is then used in the nonlinear model of a helicopter to simulate nonlinear dynamic response, and to compare flight quality of different flight control designs.

Original languageEnglish
Pages (from-to)31-37
Number of pages7
JournalZhongguo Hangkong Taikong Xuehui Huikan/Transactions of the Aeronautical and Astronautical Society of the Republic of China
Issue number1
Publication statusPublished - 2001 Mar

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering


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