Motor control device
US8860355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jul 17, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B15/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A motor-control-device main unit includes a pressure-command-signal generating section, a pressure control section, a speed control section, a current control section, and a parameter-adjusting section. With respect to a parameter for a control computation by the pressure control section, the parameter-adjusting section includes an information-acquiring section and a parameter-calculating section. The information-acquiring section acquires, from an exterior, each of pieces of information including an elastic constant of a pressurized target, a reaction-force constant indicating information of a reaction force, a transfer characteristic from a motor torque to a motor speed, and parameters of the speed control section. The information-acquiring section previously acquires information of a control law of the speed control unit. The parameter-calculating section calculates a parameter for the pressure control section based on the information acquired by the information-acquiring section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.