HIRDLS instrument radiometric calibration black body targets

Hepplewhite, C. L.; Watkins, Robert E. J.; Row, Frederick; Barnett, J. J.; Peters, Daniel M.; Palmer, Charlotte; Wolfenden, Roger; Djotni, Karim; Arter, Philip I.

doi:10.1117/12.507489

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“…Because of the long distance from the space cameras to the observed object, space cameras always have a small field of view to ensure the measurement accuracy. Generally, there are two ways to rotate scanning mirror: a stepped motor rotates the scanning mirror [1,2,3]; a brushless DC motor rotates the scanning mirror [4,5]. The system based on stepped motor only has a poor scanning accuracy.…”

Section: Introductionmentioning

confidence: 99%

The Design of Space Scanning Mirror Control System Based on Optimal Tracking Controller

Sui

Song

Zhang

2012

AMR

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Control system of space scanning mirror has high requirement of scanning accuracy. The use of optimal tracking controller, instead of traditional PID controller, can effectively improve the scanning accuracy of space scanning mirror control system. State space model of the control system is established; the control system based on optimal tracking controller is designed; simulation experiment of the control system based on optimal tracking controller is carried out. The simulation result, in comparison with the system based on a PID controller, shows that the scanning mirror control system using optimal tracking controller instead of PID controller has higher scanning accuracy and faster response.

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Section: Introductionmentioning

confidence: 99%