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Design on MEMS Based Roll-Isolated SINS in Spinning Projectile
作者:YANG Zong-lin1,MO Bo2, NIE Zhen3
来源:本站原创
更新时间:2013/11/18 13:43:00
正文:

            1. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081
            2. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081
            3. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081

Abstract: A new pattern of inertial navigation system was introduced which was called roll-isolated strap-down inertial navigation system and used in spinning projectile. By supporting the inertial instrument cluster on the stabilization platform which was isolated from the spin, IMU was isolated from high rate rolling, thus realizing inertial guidance based on MEMS. Roll-isolation prevents the saturation of the roll gyro by high spin rate, and this greatly reduces the measurement errors arising from gyro scale factor and alignment uncertainties. Navigation based on MEMS has the advantage of small size, light weight, low cost, low power, high reliability, large measure range and high degree of integration thus particularly suitable for precision-guided munitions.
Key Words: spinning projectile; roll-isolated; stabilized platform

 

 

REFERENCES
[1] M. Cui, T. Ma, J. Fan, Design of Micro-Navigation for Spinning Projectile based on DSP, Fire control and Command Control [J], Vol.35, No.6, 170-172, 2006
[2] Q. Zhou, Y. Qin, C. Zhao, Design on stabilization loop of roll-isolated SINS in spinning projectile, Journal of Chinese Inertial Technology [J], Vol.17, No.4, 383-387, 2009.
[3]J Kim, H D Choi, J H Lee. An anti-wind-up controller design for rocket control systems with control input saturation [J]. 1998, 212(G): 261-269.
[4]Imbault J J, Tjulin H, Kohler S. Mini-RIMS: A miniature roll-stabilized inertial measurement system[C]. AIAAConferenceon Sounding Rockets, Balloons and Related Space Systems, 1986: 35-43.

 
 
   
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