公开(公告)号：US11975708B2

公开(公告)日：2024-05-07

申请号：US17735817

申请日：2022-05-03

Applicant: Ground Transportation Systems Canada Inc.

Inventor： Alon Green ,  Kevin Tobin ,  Marco De Thomasis ,  Andrei Bucsa

IPC: B60W30/00 ,  B60W30/02 ,  B60W40/12

CPC classification number: B60W30/02 ,  B60W40/12

Abstract: Systems and methods of calibrating an Inertial Measurement Unit (IMU) on a vehicle are disclosed. In some embodiments, a first tilt angle of the IMU is measured with the IMU while the vehicle is stationary. A second tilt angle of the IMU is measured with an inclinometer or tilt sensor while the vehicle is stationary. The orientation of the IMU is corrected based on the first tilt angle and the second tilt angle.

公开(公告)号：US11945478B2

公开(公告)日：2024-04-02

申请号：US17100380

申请日：2020-11-20

Applicant: Ground Transportation Systems Canada Inc.

Inventor： David Beach ,  Alon Green ,  Walter Kinio

IPC: B61L23/04 ,  B61L15/00 ,  B61L25/02 ,  G01S13/88 ,  H04W4/02 ,  B61K9/08 ,  G01S13/931 ,  H04L67/12

CPC classification number: B61L23/041 ,  B61L15/0072 ,  B61L25/025 ,  G01S13/88 ,  H04W4/025 ,  H04W4/026 ,  H04W4/027 ,  B61K9/08 ,  G01S2013/932 ,  G01S2013/9322 ,  G01S2013/9328 ,  H04L67/12

Abstract: A method and system include receiving positioning and motion information from one or more positioning and motion devices on a vehicle on a guideway, based on the positioning and motion information, receiving information from a database on the vehicle, the information comprising track geometry information and infrastructure information corresponding to the guideway, using the track geometry information and positioning and motion information to determine a path of the guideway and a trajectory of the vehicle along the path, receiving data from one or more electromagnetic sensors on the vehicle, and detecting an object by using the trajectory, the infrastructure information, and the information from the one or more electromagnetic sensors.

公开(公告)号：US11945480B2

公开(公告)日：2024-04-02

申请号：US17115348

申请日：2020-12-08

Applicant: Ground Transportation Systems Canada Inc.

Inventor： Alon Green ,  James Kevin Tobin ,  Marco De Thomasis

IPC: B61L25/02 ,  B61L5/12 ,  B61L15/00 ,  B61L15/02

CPC classification number: B61L25/021 ,  B61L5/125 ,  B61L15/0027 ,  B61L15/02 ,  B61L25/023 ,  B61L25/025 ,  B61L25/026 ,  B61L2207/00

Abstract: A positioning and odometry system includes two or more vehicle beacons installed on an end of a vehicle and configured to communicate with one or more guideway beacons installed along a guideway. Processing circuitry is configured to communicate with the one or more vehicle beacons and perform at least one of: determine, before the processing circuitry enters a sleep state, a first vehicle position on the guideway; determine, after the processing circuitry wakes from the sleep state, a second vehicle position on the guideway; 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 taken at configurable time intervals; and determine a vehicle speed where speed is measured as a change in the third vehicle position over time.