Patent ID: 11865708
Assignee: MTD PRODUCTS INC
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 19:
20. The domestic robotic system of claim 1, wherein the robot further comprises a satellite navigation system receiver, the at least one processor being programmed to determine an estimate of a position of the robot, in universal co-ordinates, using said satellite navigation system receiver, the at least one processor and the satellite navigation system receiver forming at least part of a third navigation system for the robot;
wherein the at least one processor is programmed to use:
said estimate of the position of the robot in universal co-ordinates at two or more different points; and
at least one of said first and second estimates of said at least one of the position and orientation of the robot, at said two or more different points,
to determine a transformation from local co-ordinates, which are used for said at least one of the first and second estimates, and which are relative to the base station, to universal co-ordinates.