Position control apparatus and method
US4535277A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1983 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Apr 13, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/37297
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A position control system of closed-loop configuration in which a position detector is provided on a motor-driven machine element for sensing the position thereof and a rotary encoder is provided on the motor shaft for detecting the rotational speed thereof by producing pulses of a frequency proportional to the rotational speed. The system includes a device for controlling position based on a position detection signal from the position detector and a motor position signal from the rotary encoder, and a device for controlling speed based on a rotational speed signal from the rotary encoder and an output from the position control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.