ACCURACY ENHANCEMENT OF A LOW COST INS/GPS INTEGRATION SYSTEM FOR LAND APPLICATIONS | Zendy

Duc–Tan Tran | Zendy; Thuy Phu Nguyen | Zendy

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ACCURACY ENHANCEMENT OF A LOW COST INS/GPS INTEGRATION SYSTEM FOR LAND APPLICATIONS

Author(s) -

Duc–Tan Tran,

Thuy Phu Nguyen

Publication year - 2009

Publication title -

science and technology development journal

Language(s) - English

Resource type - Journals

ISSN - 1859-0128

DOI - 10.32508/stdj.v12i4.2229

Subject(s) - unavailability , global positioning system , gps/ins , kalman filter , computer science , precision lightweight gps receiver , assisted gps , real time computing , engineering , reliability engineering , gps receiver , telecommunications , artificial intelligence

In this paper, the design of the low cost INS/GPS integration system is addressed with good accuracy. The Strapdown INS (SINS) and Cascade Kalman filter have been tested to ensure that the system can be operated flexibly between feed forward and feedback modes due to various GPS conditions. The vehicle motion constraints are also utilized to reduce the INS error degradation during the periods of GPS unavailability. The experiment results shown that the INS/GPS system can be applied to land applications in challenging GPS environments.

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