The camera control technology of high reliability and multichannel imaging

Shijian Tang; Kai Li; Jian Wang; Fengping Chai

doi:10.1117/12.2579779

5 November 2020 The camera control technology of high reliability and multichannel imaging

Shijian Tang, Kai Li, Jian Wang, Fengping Chai

Proceedings Volume 11567, AOPC 2020: Optical Sensing and Imaging Technology; 1156725 (2020) https://doi.org/10.1117/12.2579779
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

The camera control system is the most important part of the space remote sensing camera. Due to the products in the camera of the Marine Satellite or the Meteorological Satellite are easily disturbed by the space environment, it is necessary to develop a high-reliability camera control technology to guarantee the camera reliable and long-life operation in orbit. Firstly, in this paper, a dynamic reconfiguration technology of a serial bus based on multi-node and extensible ways is carried out, and a fault detection and automatic recovery technology based on error detection and correction of hamming code and the periodic automatic refresh technology are applied. Meanwhile, the camera control system not only apply the single event immune memory to storage original program safely, but also carry out on-orbit maintenance technology which include parameter and program on-line reloading for the facilities in the whole camera, including control system itself. Secondly, In order to ensure the safety of infrared detection component, the control technology of early over-temperature warning and self-protection is also applied. Ultimately, The autonomous and interactive control technology of the multi-process imaging is developed for the multichannel camera, it can facilitate user to complete the imaging process to relay on ‘shortcuts’. Within conclusion, in this paper, The camera control technology realized can not only effectively guarantee the camera to cope with the harsh space environment, but also solve the convenience of users of the complex camera system, and it provides a technical guide for future development of space remote sensing camera control system.

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Shijian Tang, Kai Li, Jian Wang, and Fengping Chai "The camera control technology of high reliability and multichannel imaging", Proc. SPIE 11567, AOPC 2020: Optical Sensing and Imaging Technology, 1156725 (5 November 2020); https://doi.org/10.1117/12.2579779

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KEYWORDS

Cameras

Control systems

Infrared imaging

Infrared sensors

Sensors

Satellites

Imaging systems

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