US 12,298,758 B2
Systems and methods for operating a controller area network
Brodie L. Thompson, West Ulverstone (AU); and Steven Robert Krause, Chillicothe, IL (US)
Assigned to Caterpillar Underground Mining Pty Ltd., Tasmania (AU)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Oct. 20, 2023, as Appl. No. 18/491,595.
Prior Publication US 2025/0130565 A1, Apr. 24, 2025
Int. Cl. G05D 1/00 (2006.01)
CPC G05D 1/0016 (2013.01) [G05D 1/0022 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A controller area network to control a work machine, the controller comprising:
a cab internal controller configured to communicate operator control data received from control inputs of the work machine to a primary controller and a steering controller, wherein the cab internal controller is a tier 1 controller that communicates with the primary controller and the steering controller over a first machine data bus or a second machine data bus; and
the primary controller configured to receive the operator control data from the cab internal controller over the first machine data bus or the second machine data bus, wherein the primary controller is further configured to issue machine control data over a first inverter bus or a second inverter bus to a plurality of second controllers.