Intelligent traffic control and warning system and method
US6633238B2 · kind B2 · utility
96Cited by
51References
20Claims
0Family size
Inventors
Key dates
| Filing date | May 31, 2001 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | May 31, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096783
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A system and method for controlling traffic and traffic lights and selectively distributing warning messages to motorists includes a controller to determine appropriate action based on traffic congestion parameters. Fuzzy logic is used to determine optimum traffic light phase split based on the traffic information from the traffic information units. Global Positioning System technology is used by the system and method in order to track moving vehicles and signs and be able to communicate with them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.