Results 11 to 20 of about 2,728 (206)
A Novel Driving Scheme for Three-Phase Bearingless Induction Machine with Split Winding
Energies, 2021 In order to reduce the costs of implementing the radial position control system of a three-phase bearingless machine with split winding, this article proposes a driving method that uses only two phases of the system instead of the three-phase traditional
Francisco Elvis Carvalho Souza +5 more
doaj +1 more source
Applied Sciences, 2020 The bearingless concept is a plausible alternative to the magnetic bearing drives. It provides numerous advantages like minimal maintenance, low cost, compactness and no requirement of high-performance power amplifiers. Controlling the rotor position and
Pulivarthi Nageswara Rao +4 more
doaj +1 more source
IET Electric Power Applications, Volume 17, Issue 5, Page 656-669, May 2023., 2023 Abstract In this paper, a strategy of integrating direct‐drive turbine compressors with high‐speed permanent magnet external rotor motors is used to improve the problems of large footprint, low efficiency and high maintenance costs. The rotor of the motor will vibrate under the action of radial electromagnetic force when rotating, and under the action ...
XiaoYuan Teng +4 more
wiley +1 more source
Biotechnology Progress, Volume 39, Issue 2, March/April 2023., 2023 Abstract Robust cell retention devices are key to successful cell culture perfusion. Currently, tangential flow filtration (TFF) and alternating tangential flow filtration (ATF) are most commonly used for this purpose. TFF, however, suffers from poor fouling mitigation, which leads to high filtration resistance and product retention, and ATF suffers ...
Maria E. Weinberger +2 more
wiley +1 more source
IEEE Open Journal of Industry Applications, 2020 An ideal pole number combination of motor and suspension windings is essential for bearingless motors. In this study, the performance of a high-speed, high-power buried permanent magnet bearingless motor using several pole combinations is compared.
Zongwei Liu +3 more
doaj +1 more source
Advances in Civil Engineering, Volume 2023, Issue 1, 2023., 2023 The hydrodynamic problems associated with the construction of the sea‐crossing bridge were proposed. The deep‐water approach bridge on both sides of the main bridge of Fuzhou Xiamen high‐speed railway adopts the bearingless prestressed concrete integral rigid frame bridge for the first time in the domestic railway bridge design.
Fangwen Weng +2 more
wiley +1 more source
Development of one-axis active controlled bearingless motor working at extremely low temperature
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2020 This paper discusses the manufactured one-axis controlled bearingless motor and its experimental results in liquid nitrogen. The bearingless motor is an axial type bearingless motor.
Hirohisa KATO +3 more
doaj +1 more source
Chemie Ingenieur Technik, Volume 94, Issue 12, Page 1936-1943, December 2022., 2022 The cell separation process is one of the key elements in biopharmaceutical productions. In the last years, some new devices were launched by different manufacturers. In this work, the novel single‐use disk stack separator kytero 500 from GEA was successfully used for the separation of antibody producing Chinese hamster ovary cells. Abstract Single‐use
Vivian Ott +8 more
wiley +1 more source
Super‐spiral sliding mode controller design for single‐winding bearingless switched reluctance motor
IET Electric Power Applications, Volume 16, Issue 12, Page 1492-1501, December 2022., 2022 Abstract The strong coupling effect between the torque system and the suspension system of the single‐winding bearingless switched reluctance motor (SWBSRM) would result in continuous interference to the system and bring difficulties to the design of the control system.
Kai Xie +5 more
wiley +1 more source
IET Power Electronics, Volume 15, Issue 13, Page 1249-1263, 14 October 2022., 2022 Abstract The performance of flywheel battery is affected by the vibration and friction of traditional mechanical bearing. A novel kind of bearingless brushless direct current machine (BBLDCM) with the hybrid capabilities of electrical machine and suspension is suitable for flywheel battery which reduces the losses and improves the power quality.
Yichen Liu, Huangqiu Zhu, Bo Xu
wiley +1 more source