Angular velocity control for a windmill radiometer

Arenas, A.; Victoria, L.; Abellán, Francisco J.; Ibáñez, J. A.

doi:10.1109/13.762953

Cited by 1 publication

(3 citation statements)

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“…is a proper function and can be realized because constant (29) When the system's gain approaches the critical gain according to (6), becomes as shown in (30) at the bottom of the page. In this case, becomes an improper function, and there exists no realization for this system because .…”

Section: Properties Of Branches Passing Through Infinitymentioning

confidence: 99%

“…The root locus plot has been the center of numerous educational and research activities [8]- [29]. Undergraduate control systems textbooks still give emphasis to root locus plotting [5]- [7], and research papers present computational methods [14], [15], computer implementations [16], [17], and new approaches [18]- [22] for the root locus method.…”

Section: Introductionmentioning

confidence: 99%

“…The method is an essential design and analysis tool in most of the control system software [16], [17]. This technique has been a valuable tool Manuscript in characterizing response and stability of linear systems and has been utilized extensively for designs in control engineering practices [23]- [29]. Although use of RL is more common than CRL, it has been shown that the latter can be very valuable in design studies via the principle of continuation [22], can be utilized for changing time constants [8], and can be used when large loop gain is required in inner loops [6].…”

Section: Introductionmentioning

confidence: 99%

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Complementary root locus revisited

Eydgahi

Ghavamzedeh

2001

IEEE Trans. Educ.

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In this paper, a new finding related to the well-known root locus method that is covered in the introductory control systems books is presented. It is shown that some of the complementary root locus rules and properties are not valid for systems with loop transfer functions that are not strictly proper. New definitions for root locus branches have been presented which divide them into branches passing through infinity and branches ending at or starting from infinity. New formulations for calculating the number of branches passing through infinity, point of intersection of the asymptotes on the real axis, and angles of these asymptotes with the real axis have been introduced. It has been shown this type of system with the order of will have at least one and at most branches which will pass through infinity. The realization and stability of these systems have been investigated, and their gain plots have been presented. The new finding can be used by educators to complement their lecture materials of the root locus method. By using problems similar to examples presented in the paper, analytical understanding of the students in a classical control systems course can be tested.

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Section: Properties Of Branches Passing Through Infinitymentioning

confidence: 99%