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The Development of Accurate GPS Module Using Discrete-Time H<SUB>∞</SUB> Filter
Nguyen Hoang(윈황휴),Nguyen Phi Long(윈필롱),Lee Sang-Hoon(이상훈),Park Ok-Deuk(박옥득),Kim Hyun-Su(김현서),Kim Han-Sil(김한실) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
In this paper, we present the traditional CPS Position-Velocity (PV) model to apply for both Discrete-Time Kalman Filter and Discrete-Time H<SUB>∞</SUB> Filter. The positioning algorithms of both filters are proposed for a stand-alone low-cost CPS module to increase its accuracy. For disturbance cancellation, the Kalman Filter requires the statistical information about process and measurement noises while the H<SUB>∞</SUB> Filter only requires that these noises are bounded. Experiments show that with the same measurement data, H<SUB>∞</SUB> Filter gives us better positioning results compared with Least-Squared method and Kalman Filter.