A MEMS-Based Inertial Navigation System for Mobile Miniature Robots

Abstract:

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A real-time inertial navigation system (INS) for mobile miniature robots was proposed, which mainly consists of hardware platform and software system. Based on the principles of embedded system, and by use of MEMS-based inertial measurement units (IMU) and micro control units (MCU) including ARM and CPLD, a compact, low-power-consumption, low-cost, and universal real-time hardware platform was constructed for the navigation system. Besides, a μC/OS-II real-time operating system was transplanted for software developing, where all the algorithms of digital signal processing, data interpolation, navigation calculating were realized. Furthermore, a fuzzy system was designed for sensor data fusion so as to achieve accurate navigation. Finally, the MEMS-based INS was fully tested via experiments on a mobile miniature robot. Experiments results show that average error of the heading angle estimation is about 0.56%, average error of Attitude angle estimation is 2.57%, and the maximum error of plane position is about 10%, which indicates that this INS satisfies requirements of mobile miniature robots.

Info:

Periodical:

Advanced Materials Research (Volumes 383-390)

Edited by:

Wu Fan

Pages:

7189-7197

DOI:

10.4028/www.scientific.net/AMR.383-390.7189

Citation:

M. Zhong and B. Huang, "A MEMS-Based Inertial Navigation System for Mobile Miniature Robots", Advanced Materials Research, Vols. 383-390, pp. 7189-7197, 2012

Online since:

November 2011

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Price:

$35.00

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