<論文>根軌跡の追跡計算手法

概要

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An algorithm for the determination of root loci is proposed in this paper. Features of this method are as follows; (1) Results are obtained only read in pole and zero data, no initial guess of position on root loci is necessary. (2) For the system having multiple poles and zeroes this algorithm is successfully applied, root loci having real or complex value equally tracked, tracked. (3) With the supposition of the part of a root locus being a segment of a circle a guess of the next point is made, then the true value is searched on a transverse line of the root locus plot. (4) The interval of succeeding points is regulated so that the ratio of gain between successive points is about 1.5 dB (5) Breakaway point and joining point on the real axis are also determined and subsequent root loci are automatically tracked with correct way.
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