JPS6460289A - Load share control system for plural electric motors - Google Patents
Load share control system for plural electric motorsInfo
- Publication number
- JPS6460289A JPS6460289A JP62211230A JP21123087A JPS6460289A JP S6460289 A JPS6460289 A JP S6460289A JP 62211230 A JP62211230 A JP 62211230A JP 21123087 A JP21123087 A JP 21123087A JP S6460289 A JPS6460289 A JP S6460289A
- Authority
- JP
- Japan
- Prior art keywords
- load share
- control system
- load
- motors
- adjuster
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
PURPOSE:To easily and stably control a load share in plural electric motors by providing a condition observer, which inputs an actual value of current of the electric motor and an actual value of its speed, calculating the actual difference of tension in a strip-shaped material to be output, in each control system, in the case of winding and rewinding the strip-shaped material. CONSTITUTION:Setting plural electric motors 16a, 16b respectively in a relation of main action and following action, a load share adjuster 38 adjusts a load of the motors in a manner wherein load share ratio of these motors obtains a predetermined value. An output of this load share adjuster 38 is input to a speed control system of the electric motor 16a, serving as the motor of following action, as a correction amount. Here multiplying in multipliers 34a, 34b the difference between tensions of a belt-shaped material 10, obtained in condition observers 30a, 30b, by a constant being based on the load share ratio set by a load share ratio setter 32, a differential output of the multipliers is input to the load share adjuster 38.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211230A JPS6460289A (en) | 1987-08-27 | 1987-08-27 | Load share control system for plural electric motors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211230A JPS6460289A (en) | 1987-08-27 | 1987-08-27 | Load share control system for plural electric motors |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6460289A true JPS6460289A (en) | 1989-03-07 |
Family
ID=16602439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62211230A Pending JPS6460289A (en) | 1987-08-27 | 1987-08-27 | Load share control system for plural electric motors |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6460289A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0825707A1 (en) * | 1996-08-17 | 1998-02-25 | Sms Schloemann-Siemag Aktiengesellschaft | Regulator for distributing the load on a plurality of driving devices |
JP2002125392A (en) * | 2000-10-12 | 2002-04-26 | Yaskawa Electric Corp | Method of controlling load sharing shift between motors for driving both shafts of load, and its device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5928892A (en) * | 1982-08-06 | 1984-02-15 | Toshiba Corp | Load balance controller for different speed rolling |
JPS5997953A (en) * | 1982-11-29 | 1984-06-06 | Fuji Electric Co Ltd | Tension control system |
-
1987
- 1987-08-27 JP JP62211230A patent/JPS6460289A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5928892A (en) * | 1982-08-06 | 1984-02-15 | Toshiba Corp | Load balance controller for different speed rolling |
JPS5997953A (en) * | 1982-11-29 | 1984-06-06 | Fuji Electric Co Ltd | Tension control system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0825707A1 (en) * | 1996-08-17 | 1998-02-25 | Sms Schloemann-Siemag Aktiengesellschaft | Regulator for distributing the load on a plurality of driving devices |
US5874813A (en) * | 1996-08-17 | 1999-02-23 | Sms Schloemann-Siemag Ag | Control method, especially for load balancing of a plurality of electromotor drives |
JP2002125392A (en) * | 2000-10-12 | 2002-04-26 | Yaskawa Electric Corp | Method of controlling load sharing shift between motors for driving both shafts of load, and its device |
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