Results 1 to 10 of about 47,055 (260)
Variable Rotational Speed Control System of Sewage Pumping Station [PDF]
TransNav, 2019 Cascade and variable rotational speed control systems of sewage pumping stations are compared in this article. The range of pump efficiency variations and potential for breakdowns are adopted as criteria. A pumping station including two or three pumps is
Elzbieta Szychta, Leszek Szychta
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Rotational Speed Control Using ANN-Based MPPT for OWC Based on Surface Elevation Measurements [PDF]
Applied Sciences, 2020 This paper presents an ANN-based rotational speed control to avoid the stalling behavior in Oscillating Water Columns composed of a Doubly Fed Induction Generator driven by a Wells turbine.
Fares M’zoughi +3 more
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MachinesHydro-viscous clutch has already become an inevitable choice for special vehicle transmission in the present and future. As a nonlinear system with a large hysteresis loop, its speed control performance is affected by input rotational speed, lubricating ...
Kai Zhao +9 more
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Real-time rotational speed control and EEDI reduction research of rotor sail via high-Re aerodynamics and power Rose graph [PDF]
Scientific ReportsInstalling rotor sail on ship can effectively utilize wind energy to assist navigation, and is an important technical means to achieve energy conservation and emission reduction in the shipping industry.
Haihua Lin +3 more
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Research on a rotational speed control strategy of the mandrel in a rotary steering system
Open Physics, 2018 Rotary steering systems are cutting-edge, intelligent oil drilling and steering equipment developed at the end of the twentieth century. The core function of the bit pointing rotary steering system is to control the eccentric shaft with bit pointing ...
Zhang Liancheng +2 more
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Green Technologies and SustainabilityThis study proposes the Higher Rotational Speed Maintaining (HRSM) control algorithm that is suitable for large wind speed fluctuations. One of the challenges faced by wind generators is operating with significant wind speed oscillations.
Hidehito Matayoshi +5 more
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Energies, 2022 This study uses deep learning algorithms to predict the rotational speed of the turbine generator in an oscillating water column-type wave energy converter (OWC-WEC). The effective control and operation of OWC-WECs remain a challenge due to the variation
Chan Roh, Kyong-Hwan Kim
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A Disturbance Compensation Control Strategy for Rotational Speed Standard Device Based on AMB System
SensorsThe rotational speed standard device that can carry loads is the key device for calibrating passive rotational speed sensors. The rotor of the passive rotational speed sensor is connected to the rotor of the standard speed device through a coupling, and ...
Yulin Chen, Lei Du, Qiao Sun, Jie Bai
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Applied Sciences, 2016 Micro Air Vehicles (MAVs) driven by electric propellers are of interest for military and civilian applications. The rotational speed control of such electric propellers is an important factor for improving the flight performance of the vehicles, such as ...
Shouzhao Sheng, Chenwu Sun
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Design and Control of Brushless DC Motor Drives for Refrigerated Cabinets
Energies, 2022 The purpose of this study is to develop a variable frequency brushless DC motor drive for the compressors of refrigerated cabinets. It is based on the microcontroller unit (MCU) produced by Renesas Co., Ltd. using the space vector pulse width modulation (
Kuei-Hsiang Chao +2 more
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