System for calculating the root mean square (RMS) current in a resistance welding system
US4516008A · kind A · utility
10Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1983 |
| Grant date | May 7, 1985 |
| Priority date | — |
| Expiry date | Mar 14, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system is provided for use in a microprocessor controlled controller for a resistance welding machine for calculating the RMS value of the welding current so as to provide a closed loop control of the RMS current in order to eliminate the effect of variations in load and line voltage on the welding current and to provide a constant welding tip temperature in the presence of such variations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.