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pro vyhledávání: '"Tor S. Schei"'
Autor:
Tor S. Schei
Publikováno v:
Modeling, Identification and Control, Vol 19, Iss 3, Pp 141-152 (1998)
Linearizations of nonlinear functions that are based on Jacobian matrices often cannot be applied in practical applications of nonlinear estimation techniques. An alternative linearization method is presented in this paper. The method assumes that co
Externí odkaz:
https://doaj.org/article/822c8258224d4672a61e7e6c2c976a69
Autor:
Tor S. Schei
Publikováno v:
Modeling, Identification and Control, Vol 17, Iss 2, Pp 87-96 (1996)
Three different approaches to wave disturbance filtering in dynamic positioning systems are studied in this paper. It is shown that a conventional design based on notch filters leads to approximately the same achievable performance of the total contr
Externí odkaz:
https://doaj.org/article/51cacd09806540f9a44f11aba584070b
Autor:
Tor S. Schei
Publikováno v:
Modeling, Identification and Control, Vol 13, Iss 3, Pp 155-162 (1992)
A simple method for the automatic tuning of PID controllers in closed loop is proposed. A limit cycle is generated through a nonlinear feedback path from the process output to the controller reference signal. The frequency of this oscillation is abov
Externí odkaz:
https://doaj.org/article/ac2edafcdf0f411c918b847cc087d1c1
Publikováno v:
Modeling, Identification and Control, Vol 12, Iss 1, Pp 27-46 (1991)
A set of mathematical models for the dynamic simulation of offshore processing plants is developed. Each process unit is modeled separately, and the various models are integrated into a system for the simulation of an entire plant. The purpose of the
Externí odkaz:
https://doaj.org/article/b77bd0476bb746cf8fae81403dab4f0b
Publikováno v:
Modeling, Identification and Control, Vol 12, Iss 1, Pp 27-46 (1991)
A set of mathematical models for the dynamic simulation of offshore processing plants is developed. Each process unit is modeled separately, and the various models are integrated into a system for the simulation of an entire plant. The purpose of the