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In this paper, a novel 12/8 segmental rotor type switched reluctance motor (SRM) is proposed. Different from conventional structures, the proposed rotor consists of a series of discrete segments, and the stator is constructed from two types of stator poles: exciting and auxiliary poles. Moreover, in this structure short flux paths are taken and no flux reverse exists in the stator. While the auxiliary...
In this paper, a novel 12/8 segmental rotor type switched reluctance motor (SRM) is proposed. Different from conventional structures, the rotor of proposed structure is constructed from a series of discrete segments, and the stator is constructed from two types of stator poles: exciting and auxiliary poles. Moreover, in this structure short flux paths are taken and no flux reversion exists in the...
Micro air vehicle can perform special task in narrow indoor environments with tiny size and flexible maneuverability. This paper focuses on the flip control method of a quad-rotor micro air vehicle. A simplest flip strategy with a constant torque is described and analyzed. An improved four-step flip strategy is proposed. The optimum ratio of thrust and gravity is calculated. A method for determining...
Firstly, the topology and operation principle of the permanent-magnet BLDC motor for automatic door are researched in the paper. A method for decreasing cogging torque by cooperating of pole number and slot number is given. To increase the inner space utilization rate and the motor efficiency, the double-layer-and-short-pitch windings are employed. Secondly, taking terminal voltage as input, transient...
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