Jagathy Raj, V P; Praveen, R P; Ravichandran, M H; Sadasivan Achari, V T; Madhu, G; Bindu, G R(IEEE, September 10, 2011)
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Abstract:
This paper presents the optimal design of a sur-
face mounted permanent magnet Brushless DC mo-
tor (PMBLDC) meant for spacecraft applications.
The spacecraft applications requires the choice of a
torques motor with high torque density, minimum
cogging torque, better positional stability and high
torque to inertia ratio. Performance of two types
of machine con¯gurations viz Slotted PMBLDC and
Slotless PMBLDC with halbach array are compared
with the help of analytical and FE methods. It is
found that unlike a Slotted PMBLDC motor, the
Slotless type with halbach array develops zero cogging
torque without reduction in the developed torque.
Moreover, the machine being coreless provides high
torque to inertia ratio and zero magnetic stiction
Description:
ECTI TRANSACTIONS ON ELECTRICAL ENG., ELECTRONICS, AND COMMUNICATIONS VOL.9, NO.1 February 2011
Jagathy Raj, V P; Praveen, R P; Ravichandran, M H; Sadasivan Achari, V T; Madhu, G; Bindu, G R; Dubas, F(IEEE, March 23, 2011)
[+]
[-]
Abstract:
This paper presents the optimal design of a surface
mounted permanent-magnet (PM) Brushless direct-current
(BLDC) motor meant for spacecraft applications. The spacecraft
applications requires the choice of a motor with high torque
density, minimum cogging torque, better positional stability and
high torque to inertia ratio. Performance of two types of machine
configurations viz Slotted PMBLDC and Slotless PMBLDC with
Halbach array are compared with the help of analytical and
finite element (FE) methods. It is found that unlike a Slotted
PMBLDC motor, the Slotless type with Halbach array develops
zero cogging torque without reduction in the developed torque.
Moreover, the machine being coreless provides high torque to
inertia ratio and zero magnetic stiction
Description:
Emerging Trends in Electrical and Computer Technology (ICETECT), 2011 International Conference on