Study on bandwidth mutual benefit between the azimuth and pitch in an optoelectronic tracking system

Li-min Zhang; Juan Chen; Jin Guo

doi:10.1117/12.760863

17 January 2008 Study on bandwidth mutual benefit between the azimuth and pitch in an optoelectronic tracking system

Li-min Zhang; Juan Chen; Jin Guo

Author Affiliations +

Proceedings Volume 6836, MEMS/MOEMS Technologies and Applications III; 683615 (2008) https://doi.org/10.1117/12.760863
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Two-axis optoelectronic tracking equipments generally use such mode that azimuth and pitch system are independently controlled. It leads to the two structures completely uncoupled, and reduces the state space dimension. But the main problem is that the rotational inertia of azimuth is much larger than that of pitch, which leads its dynamic tracking performance is worse. So to find a more suitable mechanics and more effective control strategy is necessary. Considering the tracking ability, this paper designs BMC (bandwidth mutual compensation) to uniformly correct the error of both the azimuth and pitch system in real time, it is realized by cross coupling control to the azimuth and pitch. The simulation result verified that compared with classical uncoupling system BMS not only guarantees the state space dimension but improves systematic tracking performance about 2" therefore, it is an effective control mode to the two-axis photoelectric tracking equipments.

Citation Download Citation

Li-min Zhang, Li-min Zhang, Juan Chen, Juan Chen, Jin Guo, Jin Guo, } "Study on bandwidth mutual benefit between the azimuth and pitch in an optoelectronic tracking system", Proc. SPIE 6836, MEMS/MOEMS Technologies and Applications III, 683615 (17 January 2008); doi: 10.1117/12.760863; https://doi.org/10.1117/12.760863

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