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Farhad Amiri, Mohsen Eskandari and Mohammad Hassan Moradi
The penetration of intermittent wind turbines in power systems imposes challenges to frequency stability. In this light, a new control method is presented in this paper by proposing a modified fractional order proportional integral derivative (FOPID) con...
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Rui Tang, Chengjin Qin, Mengmeng Zhao, Shuang Xu, Jianfeng Tao and Chengliang Liu
Due to factors such as uneven guide rails and airflow disturbance in the hoistway, high-speed elevators may experience significant vibrations during operation. This paper proposes an optimized fractional-order PID (FOPID) method to suppress vibrations of...
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Julia Nako, Costas Psychalinos and Ahmed S. Elwakil
A generalized structure for implementing fractional-order controllers is introduced in this paper. This is achieved thanks to the consideration of the controller transfer function as a ratio of integer and non-integer impedances. The non-integer order im...
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Matias Carandell, Daniel Mihai Toma, Andrew S. Holmes, Joaquín del Río and Manel Gasulla
Wave Energy Converters (WECs) are an ideal solution for expanding the autonomy of surface sensor platforms such as oceanic drifters. To extract the maximum amount of energy from these fast-varying sources, a fast maximum power point tracking (MPPT) techn...
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Xuan Zhou, Yang Zheng, Bo Xu, Wushuang Liu, Yidong Zou and Jinbao Chen
Speed governing control is significant in ensuring the stable operation of pumped storage units. In this study, a state-space equation mathematical model of the pumped storage governing system considering the complex hydraulic pipeline structure of the p...
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