ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,654, issued on June 17, was assigned to Sandvik Mining and Construction Oy (Tampere, Finland).
"Underground worksite vehicle positioning control" was invented by Jyrki Hamalainen (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling autonomous vehicle operations includes the steps of defining an accumulated dead-reckoning based positioning error of a vehicle at a worksite including an underground tunnel system, detecting a trigger for signal acquisition for a satellite based first positioning source, in response to the detected trigger for signal acquisition, generating a satellite positioning pendency estimate in...