Title:
MOTOR CONTROLLER
Document Type and Number:
Japanese Patent JP3688353
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a motor controller which does not create sudden speed changes or vibratory speed changes in a motor as a control target.
SOLUTION: A difference from the speed ωm of a motor 10 output from a speed detector 21 is taken from a speed command ωm* input from the outside by a speed detector 21, and a current command value I* is created at a speed proportional integrating controller 12. This current command value I* is output to multipliers 13a to 13b respectively and multiplied by sine wave data based on angular information θu, θv, and θw of each phase output from sine wave tables 20a to 20c, and the phase current command values Iu*, Iv* and Iw* are respectively created. Current command values of each phase are respectively restricted in accordance with the speed of a motor 10 in command value restricting circuits 1a to 1c corresponding to each value, thereafter, the motor 10 is controlled from phrase current command value output from the command value restricting circuit 1a to 1c.
Inventors:
Natsuki Sasaki
Matsu Kichi Shiro
Matsu Kichi Shiro
Application Number:
JP20892595A
Publication Date:
August 24, 2005
Filing Date:
August 16, 1995
Export Citation:
Assignee:
Shinko Electric Co., Ltd.
International Classes:
H02P21/00; H02P21/22; H02P23/16; H02P27/06; H02P27/08; H02P29/00; (IPC1-7): H02P5/41
Domestic Patent References:
| JP614592A | ||||
| JP60197182A | ||||
| JP759374A | ||||
| JP6295495U | ||||
| JP55141995A |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama