Results 61 to 70 of about 64,043 (272)

Optimal design of a multi-phase double-stator bearingless brushless direct current motor

open access: yesAdvances in Mechanical Engineering, 2017
To overcome the serious coupling between torque and levitation forces, increase the output torque, and improve fault tolerance performance for the bearingless brushless direct current motor, a multi-phase double-stator bearingless brushless direct ...
Yuemei Qin, Huangqiu Zhu
doaj   +1 more source

Efficiency analysis of BLDC motor for variable magnetic field

open access: yesMANAS: Journal of Engineering, 2022
With the developing technology, direct current motors have been widely used in industrial applications. The limited use of brushed models in some areas has made Brushless Direct Current Motors stand out.
Yıldırım Özüpak
doaj   +1 more source

A general magnetic-energy-based torque estimator: validation via a permanent-magnet motor drive [PDF]

open access: yes, 2008
This paper describes the use of the current–flux-linkage ($i{-}psi$ ) diagram to validate the performance of a general magnetic-energy-based torque estimator.
Cossar, C.   +4 more
core   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

open access: yesSmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen   +12 more
wiley   +1 more source

Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines [PDF]

open access: yes, 2002
A general analytical technique predicts the magnetic field distribution in brushless permanent magnet machines equipped with surface-mounted magnets. It accounts for the effects of both the magnets and the stator windings.
Chan, C.C., Howe, D., Zhu, Z.Q.
core   +2 more sources

Current Tracking Adaptive Control of Brushless DC Motors

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 40, Issue 4, Page 890-903, April 2026.
In this paper, the current tracking for Brushless Direct Current motors is approached considering uncertainty in the parameters of the motor's model. An adaptive control scheme to compensate electrical parameters uncertainty is proposed without requiring any knowledge of the mechanical parameters.
Fernanda Ramos‐García   +3 more
wiley   +1 more source

Controller for computer control of brushless dc motors [PDF]

open access: yes, 1981
A motor speed and torque controller for brushless d.c. motors provides an unusually smooth torque control arrangement. The controller provides a means for controlling a current waveform in each winding of a brushless dc motor by synchronization of an ...
Hieda, L. S.
core   +1 more source

PM fractional machines adopting bonded magnets: effect of different magnetizations on the energetic performance [PDF]

open access: yes, 2012
The adoption of Permanent Magnets in small brushless machines for automotive applications is becoming frequent. Some research on bonded magnets is being carried on to substitute the ferrites.
Ferraris, Luca   +3 more
core   +1 more source

Cogging Torque Reduction in Brushless Motors by a Nonlinear Control Technique

open access: yesEnergies, 2019
This work addresses the problem of mitigating the effects of the cogging torque in permanent magnet synchronous motors, particularly brushless motors, which is a main issue in precision electric drive applications.
Pierpaolo Dini, S. Saponara
semanticscholar   +1 more source

Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC

open access: yesAdvanced Robotics Research, Volume 2, Issue 2, April 2026.
The endurance limitation of multirotor drones is a critical challenge. This study adopts a hybrid power system of fuel cells and lithium‐ion batteries. Using Nondominated Sorting Genetic Algorithm II, it integrates trajectory planning with energy management optimization.
Xindi Wang   +7 more
wiley   +1 more source

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