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International Conference on Advanced Computer Theory and Engineering (ICACTE 2009)
Xie Yi
Xie Yi
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GPS provides consistently accurate positioning solutions if four or more GPS satellites can be observed. Unfortunately, this condition is usually not satisfied. ABS (Antilock Brake System) Navigation System consists of self-contained optical encoders mounted on a vehicle wheels that can continuously provide accurate short-term positioning solutions. In this paper, a new concept regarding GPS/ABS integration, based on intelligent method is presented. A fuzzy system is used to identify GPS position accuracy based on environment and vehicle dynamic knowledge. The GPS is used as reference during the time it is in a good condition and replaced by ABS positioning system when GPS information is unreliable. The MATLAB simulations manifested that the proposed algorithm improves the location precision and the tracking capability.

1. Introduction
2. Intelligent-Based Methods for Integration Enhancement
3. ABS/GPS Navigation System Architecture
4. ABS Navigation Algorithm: Kinematic and Dynamic Model of a Kind of Land Vehicle
5. Fuzzy Navigation Algorithm
6. Implementation and Expriment Results
7. Conclusion
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