Results 51 to 60 of about 268 (177)
First, a topology of a consequent-pole bearingless flux reversal (CPBFR) motor suitable for flywheel battery magnetic suspension support systems is proposed, and the specific forms of different winding pitches are analyzed.
YiFei Yang +3 more
doaj +1 more source
Discovered in GaN Schottky junctions, the alternating current photovoltaic effect boosts ultraviolet photodetector responsivity and speed by two orders of magnitude. Heat treatment further enhances the performance. Integrated with a magnetic levitation structure, the device can work as a highly sensitive wind speed sensor. ABSTRACT Gallium nitride (GaN)
Longyi Li +9 more
wiley +1 more source
Opportunities to Enhance sCO2 Power Cycle Turbomachinery with Bearingless Motor/Generators
Thermal power cycles using sCO2 as a working fluid place extreme demands on their turbomachinery components and their electric motors/generators.
Takahiro Noguchi +4 more
doaj +1 more source
Bearingless motors can realise the rotor active suspension by the radial electromagnetic force, whereas the suspension force and torque ripple will increase the difficulty of motor control, which may lead to the stator and rotor collision and irreversible damage to the motor.
Zexing Li +3 more
wiley +1 more source
Design and Analysis of a Bearingless Permanent-Magnet Motor for Axial Blood Pump Applications
Because of their high power density and compact size, permanent-magnet (PM) motors have been commonly used to drive rotary blood pumps (RBPs), which are focused on the treatment of end-stage heart failure or as the bridge to a heart transplant.
Fangqun Wang +3 more
doaj +1 more source
Combined Discrete Space Voltage Vector with Direct Torque Control for Bearingless Brushless DC Motor and Closed-Loop Suspended Force Control [PDF]
In order to improve the performance of bearingless brushless DC motor, a closed-loop suspended force controller combining the discrete space voltage vector modulation is applied and the direct torque control is presented in this paper.
Weiran Wang +3 more
doaj +1 more source
Homopolar bearingless slice motor in temple design
This work describes a concept of a magnetically levitated homopolar bearingless slice motor in temple design. The proposed setup consists of two oppositely magnetized permanent magnets on the rotor and stator and provides high axial stiffness. The fluctuation of the air gap field for torque generation is generated with a cross-shaped rotor iron ...
Puentener, Pascal +4 more
openaire +2 more sources
The authors attempt to explore the co‐excitation control method of both radial magnetic bearing (RMB) and switched reluctance motor (SRM) by using a set of asymmetric power converters together in order to reduce the controller cost of conventional magnetic levitation motor systems.
Zeyuan Liu +4 more
wiley +1 more source
Control System Commissioning of Fully Levitated Bearingless Machine [PDF]
The bearingless permanent magnet synchronous motor (BPMSM) is a compact motor structure that combines the motoring and bearing functions based on well-designed integrated windings for generating both torque and magnetic suspension force.
Pekko Jaatinen +4 more
doaj +1 more source
The high biocompatibility and high durability of disposable extracorporeal centrifugal blood pumps (CBPs) utilizing magnetic bearing or bearingless motor technology make them perfect for supporting cardiopulmonary circulation for patients.
Ren Yang +3 more
doaj +1 more source

