Crowd force control in electrically propelled machine
US7519462B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Nov 21, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/207
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of operating an electrically propelled machine includes the steps of, operating an electrical power source for the machine, and limiting an output torque of an electrical propulsion motor system of the machine based upon the occurrence of a crowd force condition of the machine. An electrically propelled machine is further provided, including an electronic controller having means for limiting motor output torque based at least in part on a crowd force condition of the machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.