26 January 2016 A method for measurement of static lever arm
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Proceedings Volume 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015; 97961F (2016) https://doi.org/10.1117/12.2227289
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held November 2015, 2015, Various, China
Abstract
Lever arm effect has to be considered in transfer alignment technology. Between static lever arm and dynamic lever arm, the former has larger amplitude, and it is the major error source in transfer alignment. How to measure and solve it become an important problem. This paper takes vehicle as a rigid body. Assume that static lever arm does not change in a short time, based on two inertial measurement units(IMU), data are measured and constituted several matrixes properly. After that, by using least square method, static lever arm is solved finally. Simulation experiments are implemented, results show that static lever arm can be solved effectively. Further study shows that, the precision of the method can be improved by preprocessing low pass filter.
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Xianglu Ma, Xianglu Ma, Shiqiao Qin, Shiqiao Qin, Xingshu Wang, Xingshu Wang, Wei Wu, Wei Wu, Feng Hu, Feng Hu, JiaXing Zheng, JiaXing Zheng, } "A method for measurement of static lever arm", Proc. SPIE 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015, 97961F (26 January 2016); doi: 10.1117/12.2227289; https://doi.org/10.1117/12.2227289
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