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Journal of Applied Sciences ›› 2009, Vol. 27 ›› Issue (4): 435-440.

• Communication Engineering • Previous Articles

Construction of Augmented Proportion Navigation Law with Tracking Differentiator

Engineering College, Air Force Engineering University, Xi’an 710038, China

Received:2009-01-20 Revised:2009-06-02 Online:2009-07-30 Published:2009-07-30

Abstract

Abstract:

A new approach of constructing augmented proportion navigation (APN) is investigated. Light of sight (LOS) angle velocity and acceleration are estimated using a tracking differentiator (TD) with filtering function. A coupler is constructed with a delay section and command softening sector to eliminate the bad effects of TD’s transient process on guidance performance. Some typical applications of TDs are given. A new terse fast TD without chattering is designed based on the merits and drawbacks of typical TDs. Simulation results show that APN with
TD has good guidance performance, and is simple to implement.

Key words: augmented proportion navigation, tracking differentiator, estimation of LOS angle acceleration, coupler, linear region

CLC Number:

V448.13

PENG Jian-liang, SUN Xiu-xia, DONG Wen-han, ZHOU Xin-li. Construction of Augmented Proportion Navigation Law with Tracking Differentiator[J]. Journal of Applied Sciences, 2009, 27(4): 435-440.

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Construction of Augmented Proportion Navigation Law with Tracking Differentiator

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