CONTROL DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
GRASS MOWER, GRASS MOWING SYSTEM, AND DRIVE CONTROL METHOD
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND VEHICLE
MOTOR-DRIVEN TRACTOR, AND MOTOR-DRIVEN TRACTOR CONTROL PROGRAM
OVERHEAD WIRE UTILIZATION SYSTEM AND OVERHEAD WIRE UTILIZATION METHOD