Positional control system and positional control method
US6738679B2 · kind B2 · utility
11Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2001 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | May 28, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/41085
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A positional control system wherein the position of the controlled object connected to a drive is controlled to a variable target or desired position. A period is determined which starts with a detection of a reversal in the direction of the feed of a positional command Pr as well as the detection of a stoppage of a table 104 as a controlled object and which ends with a detection of the re-start of the movement of the table 104. During the period, a correction amount for correcting a positional deviation E is issued.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.