Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SWITCHED RELUCTANCE DRIVING SYSTEM, METHOD OF CONTROLLING TWO-PHASE SWITCHED RELUCTANCE MACHINE, AND POSITION TRANSDUCER FOR TWO-PHASE SWITCHED RELUCTANCE MACHINE
Document Type and Number:
Japanese Patent JP3844260
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To increase starting torque and reduce torque ripple, by a method wherein, when the energizing of both phases conforms to input demand and a rotor is in the position where the torque is generated in the same direction, switch means of both phases are operated at the same time.
SOLUTION: This system has a switched reluctance motor 70 constituted of a stator 71 and a rotor 72, and a blade part 74 and detection elements 75, 76 which are connected with a motor shaft. The outputs of the detection elements 75, 76 are applied to an electronic controller 77 which controls the energizing of a phase winding of the motor 70. For example, when the output of the detection element 75 is H, the controller 77 makes switches 84a, 84b turn on, and an electric path between a positive bus line 80 and a ground bus line 81 can be ensured through a phase winding 81. When the switches 84a, 84b are turned on, a current flows in (a) phase winding 82. When the switches are turned off, the current flowing through the phase winding 82 is attenuated through a path ensured by diodes 86a, 86b.


More Like This:
JP4580054Angle measuring system
WO/1989/001131OPTICAL ENCODER
JPS61128122PULSE ENCODER
Inventors:
Norman Neilson Fulton
Application Number:
JP6491596A
Publication Date:
November 08, 2006
Filing Date:
March 21, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Switched Reluctance Drives Limited
International Classes:
G01D5/347; G01B7/00; H02P25/08; G01B7/30; H02K29/06; H02P1/16; (IPC1-7): H02P7/05; G01B7/30; G01D5/347
Domestic Patent References:
JP7039191A
JP3145989A
JP6014508A
JP6205571A
Attorney, Agent or Firm:
Keiichiro Saikyo
Minetarou Hirose
Mikio Takeuchi