Patent ID: 11945480
Assignee: GROUND TRANSPORTATION SYSTEMS CANADA INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A positioning and odometry system comprising:
two or more vehicle beacons installed on an end of a vehicle and configured to communicate with one or more guideway beacons, the one or more guideway beacons installed along a guideway;
processing circuitry configured to communicate with the one or more vehicle beacons, the processing circuitry configured to perform at least one of:
determine, before the processing circuitry enters a sleep state, a first vehicle position on the guideway using range measurements between the vehicle beacons and the guideway beacons;
determine, after the processing circuitry wakes from the sleep state, a second vehicle position on the guideway using range measurements between the vehicle beacons and the guideway beacons;
determine, after the processing circuitry wakes from the sleep state, any difference between the first vehicle position on the guideway and the second vehicle position on the guideway;
determine a third vehicle position on the guideway using range measurements between the vehicle and the guideway beacons taken at configurable time intervals; and
determine a vehicle speed using range measurements between a single vehicle beacon and a single guideway beacon where speed is measured as a change in the third vehicle position over time.