Real time high accuracy geospatial database for onboard intelligent vehicle applications

US7072764B2 · kind B2 · utility

Assignee

• Regents of the University of Minnesota · US

Inventors

• Max Donath · Minneapolis, US
• Bryan Newstrom · Blaine, US
• Craig R. Shankwitz · Minneapolis, US
• Alec Gorjestani · Rosemount, US
• Heonmin Lim · Redmond, US
• Lee Alexander · Woodbury, US

Key dates

• Filing date: Mar 5, 2002
• Grant date: Jul 4, 2006
• Expiry date: Jan 5, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2300/8066
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A geospatial database management system is mounted on a host vehicle and manages geospatial data relating to a travel path for the host vehicle, the travel path having one or more lanes. A geospatial database stores data elements indicative of objects and a location of the objects in three-dimensional space. The objects have a lane-level resolution and the location is accurate to within an order of one decimeter or better. A database manager component is configured to maintain the data elements in the geospatial database and receive database queries from a driver assist subsystem configured to assist a driver of the host vehicle. A query processor is coupled to the database manager component and to the geospatial database and is configured to receive the database query from the database manager component. The query processor queries the geospatial database and returns query results to the database manager component. This can be done in real time.