Results 171 to 180 of about 31,856 (231)
Design and Validation of a New Tilting Rotor VTOL Drone: Structural Optimization, Flight Dynamics, and PID Control. [PDF]
Sensors (Basel)Gong H +6 more
europepmc +1 more source
Smart Solutions: A New Direct Current Electric Machine Design to Reduce Weight and Enhance Efficiency. [PDF]
Glob ChallIvliev D +5 more
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2020
We derive the mathematical model of this class of motors. Then we design the proposed control schemes in original coordinates, i.e. a dq transformation is not required. We formally solve the velocity and position regulation problems. A pendulum is included as the load in the position control problem. In this chapter we include sketches of the stability
Victor Manuel Hernández-Guzmán +2 more
openaire +1 more source
We derive the mathematical model of this class of motors. Then we design the proposed control schemes in original coordinates, i.e. a dq transformation is not required. We formally solve the velocity and position regulation problems. A pendulum is included as the load in the position control problem. In this chapter we include sketches of the stability
Victor Manuel Hernández-Guzmán +2 more
openaire +1 more source
2003
Brushless DC (BLDC) motors, also called permanent magnet synchronous motors, are used in direct-drive applications mainly due to their large torque producing capability. Compared to conventional DC motors, they have no brushes or mechanical commutators, which eliminates the problems due to mechanical wear of the moving parts [68, 74].
Farshad Khorrami +2 more
openaire +1 more source
Brushless DC (BLDC) motors, also called permanent magnet synchronous motors, are used in direct-drive applications mainly due to their large torque producing capability. Compared to conventional DC motors, they have no brushes or mechanical commutators, which eliminates the problems due to mechanical wear of the moving parts [68, 74].
Farshad Khorrami +2 more
openaire +1 more source
Proceedings:Electrical Electronics Insulation Conference and Electrical Manufacturing & Coil Winding Conference, 2002
This paper investigates the process of brushless DC motor selection through the specification of load torque and the desired load motion as a function of time. The peak and RMS torque requirements of the application are discussed along with the procedure to find the correct motor size and performance. Gearing and power transmissions are also considered
B.K. Fussell, C.K. Taft
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This paper investigates the process of brushless DC motor selection through the specification of load torque and the desired load motion as a function of time. The peak and RMS torque requirements of the application are discussed along with the procedure to find the correct motor size and performance. Gearing and power transmissions are also considered
B.K. Fussell, C.K. Taft
openaire +1 more source
Brushless reluctance-motor drives
Power Engineering Journal, 1987The variable-reluctance or switched-reluctance motor has some remarkable characteristics that make it attractive for dozens of applications. With CAD software now available, and many prototypes established, there should be few technicalbarriers between the laboratory and a number of successful niches in the drives ...
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Permanent-magnet motors for brushless operation
IEEE Transactions on Industry Applications, 1990The design considerations for permanent-magnet motors intended for brushless operation are discussed. Two rotor configurations are described: the imbricated rotor and the segmented rotor. The segmented rotor is designed specially for high-speed operation.
Low, Teck-Seng +2 more
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Brushless Synchronous Propulsion Motor
SAE Technical Paper Series, 1968<div class="htmlview paragraph">The development of a brushless synchronous motor with d-c motor characteristics suitable for vehicle propulsion applications is described. The motor is statically commutated, using thyristors triggered by rotor position logic.
Walter Slabiak, George C. Collins
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Planar Brushless Magnetic Micromotors
Journal of Microelectromechanical Systems, 2006Novel planar magnetic micromotors and microgenerators of active diameter 8 mm were developed, delivering estimated torques of 100 muN.m at speeds in excess of 140 000 r/min. Such high performances are due to an innovative use of deep lithography and silicon etching for the fabrication of the stator coils. The hybrid design of the micromotors combines a
Cugat, Orphée +5 more
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2021
A moving coil brushless motor including an actuator having a stator and a rotor. The stator includes a cylindrical array of permanent magnets. The rotor includes a coil assembly having a plurality of coils interposed between a stator back plate and the permanent magnet array. The coil assembly rotates relative to the array of permanent magnets.
Neff, E.A. +5 more
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A moving coil brushless motor including an actuator having a stator and a rotor. The stator includes a cylindrical array of permanent magnets. The rotor includes a coil assembly having a plurality of coils interposed between a stator back plate and the permanent magnet array. The coil assembly rotates relative to the array of permanent magnets.
Neff, E.A. +5 more
openaire