Control system for elevator active vibration control using spatial filtering
US5597988A · kind A · utility
13Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1996 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Apr 23, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B7/042
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A control system for compensating for horizontal vibrations in a travelling elevator includes at least one horizontal vibration sensor disposed in a plane wherein high frequency vibrations are spatially filtered. Each sensor is provided with a control circuit that provides control signals to actuators associated with roller guide wheels for applying force against a rail as needed to reduce vibrations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.