scholarly journals System control design of autopilot and speed pilot for a patrol vessel by using LMIs

Author(s):  
A Alessandri ◽  
S Donnarumma ◽  
S Vignolo ◽  
M Figari ◽  
M Martelli ◽  
...  
1993 ◽  
Vol 8 (3) ◽  
pp. 964-971 ◽  
Author(s):  
C.E. Grund ◽  
J.J. Paserba ◽  
J.F. Hauer ◽  
S.L. Nilsson

Energies ◽  
2019 ◽  
Vol 12 (3) ◽  
pp. 437 ◽  
Author(s):  
Thiago Tricarico ◽  
Gustavo Gontijo ◽  
Marcello Neves ◽  
Matheus Soares ◽  
Mauricio Aredes ◽  
...  

This paper presents a new and specific use of a bidirectional interleaved converter to perform a power interface in hybrid microgrids. The converter is responsible for regulating the power flow between the direct-current (DC) microgrid and the rest of the hybrid microgrid by controlling the DC microgrid voltage. The authors present a detailed modeling of the mentioned system in order to develop the system control design and a stability analysis. In addition, the authors propose a new control design strategy aiming at improving the voltage control disturbance rejection characteristic, while maintaining a good dynamic behavior regarding the reference tracking functionality. In this hybrid microgrid topology, a back-to-back converter connects the main grid to the AC microgrid. The main objective of this converter is to provide a high-power-quality voltage to critical and sensitive loads connected to the microgrid. The interleaved converter adjusts the DC microgrid voltage according to the operational voltage of the back-to-back converter DC link. In the DC microgrid case, the variation of load and generation connection could lead to serious voltage sag and oscillations that could be harmful to the sensitive loads. The voltage controller must be capable of rejecting these disturbances in order to maintain a high-power-quality voltage. Furthermore, experimental results are provided in order to validate this specific application of the interleaved converter and the presented control design strategy.


2020 ◽  
Author(s):  
Louis Filipozzi ◽  
Francis Assadian ◽  
Ming Kuang ◽  
Rajit Johri ◽  
Jose Velazquez Alcantar

1995 ◽  
Vol 7 (3) ◽  
pp. 213-217
Author(s):  
Yoshio Tanaka ◽  
◽  
Tetsushi Ueta ◽  
Hiroshi Kawakami ◽  
Takashi Sumitomo ◽  
...  

To solve the problems of the shortage and increasing age of skilled operators in Japan, we propose a new concept of “robotic crane system” or “intelligent crane system” and develop the prototype system under laboratory conditions. This paper describes the hardware of the robotic crane system, control design of the flexible rotary crane using vibration sensors, and the first experimental results. In order to simulate the crane’s load swing efficiently and develop a 3-D simulator for cranes with a spherical pendulum such as a rotary crane, an efficient dynamic simulation method is also presented. This method was applied to the prototype system.


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