Motor controller
US7030581B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 4, 2005 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Aug 4, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P27/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention relates to a motor controller for driving an object to be controlled by torque from a motor responding to a computed torque command, the object being provided with the motor and a mechanical load. The motor controller includes: a feedback computation unit into which is inputted a positional command signal or a speed command signal, and a motor rotational signal which is a detected value of the motor's rotational angle or speed, the feedback computation unit being for computing the torque command by a computation in which the transfer function for a feedback loop from the motor rotational signal to the torque command includes a pole or a zero point; a response parameter input unit for inputting a response parameter; and a ratio parameter input unit for inputting a ratio parameter. A loop gain which is the gain of the feedback loop is determined based on the response parameter. The pole or the zero point of the feedback loop is determined based on the response parameter and the ratio parameter in such a way that the ratio of a response frequency which is quotient of the loop gain divided by an inertia value of the controlled object to a frequency corresponding to the p…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.