| Issue |
MATEC Web Conf.
Volume 291, 2019
2019 The 3rd International Conference on Mechanical, System and Control Engineering (ICMSC 2019)
|
|
|---|---|---|
| Article Number | 01003 | |
| Number of page(s) | 5 | |
| Section | Control System | |
| DOI | https://doi.org/10.1051/matecconf/201929101003 | |
| Published online | 28 August 2019 | |
Guidance and Control Method for Vehicle with Strap-down Seeker
1 China Academy of Launch Vehicle Technology, 100076, Beijing, China
2 Nanjing University of Aeronautics and Astronautics, 210016, Nanjing, China
a Corresponding author: lfg200410792@sina.com
Guidance and control method was presented in this paper for flight vehicle with a strap-down seeker. Firstly, an extended Kalman filter was constructed in LOS (line of sight) coordinate system to estimate the guidance signal based on the information measured by strap-down seeker and inertial measurement unit. Secondly, an optimal guidance law which could reduce the target maneuvering and guidance system dynamics was proposed. Thirdly, three-loop acceleration autopilot with pseudo-angle of attack feedback was presented to control the flight vehicle. Finally, the proposed methods were simulated under typical condition. The simulation results demonstrated that the proposed methods were valid, and good performance could be achieved by the guidance and control method with the guidance signal estimated by the extended Kalman filter.
© The Authors, published by EDP Sciences, 2019
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