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Investigation of Sensor Dynamic Effect on Guidance System Performance and Guidance Law Modification via Time-Delay Approximation | ||
| دوفصلنامه مهندسی شناورهای تندرو | ||
| Volume 19, Issue 56, July 2020, Pages 22-31 PDF (529.87 K) | ||
| Document Type: Promotion Article | ||
| Author | ||
| Ali Yousefpour | ||
| Department of Electrical Engineering, School of Engineering, Persian Gulf University | ||
| Receive Date: 15 March 2020, Revise Date: 02 June 2020, Accept Date: 30 July 2020 | ||
| Abstract | ||
| There have been many guidance algorithms for six-degree-of-freedom (DOF) vehicles. Any guidance algorithm may have some advantages and or drawbacks regarding to performance and stability. The proportional navigation (PN) technique is one of these guidance methods. The guidance algorithms attempt to nullify the line-of-sight (LOS) rate while the closed-loop stabilities guaranteed. Due to its inherent simplicity and ease of implementation, it has been widely applied to the guidance problems. But the PN method may perform poorly regarding the sensor delays and dynamics. Hence the sensor dynamic effect on the closed-loop performance will be investigated in this paper. Then in order to compensate the sensor dynamic effect on the guidance loop performance, it would be trying to modify the PN guidance law vial the time-delay approximation. The proposed guidance law is used in a typical guidance problem. The simulation results show the effectiveness of the suggested approach in comparing to the similar one. | ||
| Keywords | ||
| Proportional navigation; Miss-distance error; Sensor dynamic and Time-delay approximation | ||
| References | ||
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