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Open AccessArticle

High-Accuracy Self-Calibration for Smart, Optical Orbiting Payloads Integrated with Attitude and Position Determination

by 1,2,3,4, 1,2,3,*, 4,* and 1,2,3
Department of Precision Instrument, Tsinghua University, Beijing 100084, China
State Key Laboratory of Precision Measurement Technology and Instruments, Beijing 100084, China
Collaborative Innovation Center for Micro/Nano Fabrication, Device and System, Beijing 100084, China
Photonics and Sensors Group, Department of Engineering, University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, UK
Authors to whom correspondence should be addressed.
Academic Editor: Stefano Mariani
Sensors 2016, 16(8), 1176;
Received: 25 May 2016 / Revised: 21 July 2016 / Accepted: 21 July 2016 / Published: 27 July 2016
(This article belongs to the Collection Modeling, Testing and Reliability Issues in MEMS Engineering)
A high-accuracy space smart payload integrated with attitude and position (SSPIAP) is a new type of optical remote sensor that can autonomously complete image positioning. Inner orientation parameters (IOPs) are a prerequisite for image position determination of an SSPIAP. The calibration of IOPs significantly influences the precision of image position determination of SSPIAPs. IOPs can be precisely measured and calibrated in a laboratory. However, they may drift to a significant degree because of vibrations during complicated launches and on-orbit functioning. Therefore, laboratory calibration methods are not suitable for on-orbit functioning. We propose an on-orbit self-calibration method for SSPIAPs. Our method is based on an auto-collimating dichroic filter combined with a micro-electro-mechanical system (MEMS) point-source focal plane. A MEMS procedure is used to manufacture a light transceiver focal plane, which integrates with point light sources and a complementary metal oxide semiconductor (CMOS) sensor. A dichroic filter is used to fabricate an auto-collimation light reflection element. The dichroic filter and the MEMS point light sources focal plane are integrated into an SSPIAP so it can perform integrated self-calibration. Experiments show that our method can achieve micrometer-level precision, which is good enough to complete real-time calibration without temporal or spatial limitations. View Full-Text
Keywords: optical orbiting payload; self-calibration; position determination optical orbiting payload; self-calibration; position determination
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MDPI and ACS Style

Li, J.; Xing, F.; Chu, D.; Liu, Z. High-Accuracy Self-Calibration for Smart, Optical Orbiting Payloads Integrated with Attitude and Position Determination. Sensors 2016, 16, 1176.

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