著者

小坂 学

出版者

The Society of Instrument and Control Engineers

雑誌

計測自動制御学会論文集 (ISSN:04534654)

巻号頁・発行日

vol.49, no.4, pp.497-498, 2013 (Released:2013-04-26)

参考文献数

2

---

The proof of Nyquist's criterion for stability requires the assumption that frequency s goes along the closed contour enclosing the right-half complex plane in a clockwise direction. This paper presents a new proof that does not require the assumption.