Patent ID: 8504249
Filing Date: 2013-08-06
Classification: B60K,B60W,B60Y,G05G

Abstract:
1. A method of operating a work vehicle, the work vehicle comprising a MFWD, the work vehicle operable in a plurality of speed ratios, the method comprising: receiving a MFWD request signal representative of a MFWD request and a speed-ratio request signal representative of a speed-ratio request, determining if the MFWD request is for activation of the MFWD using the MFWD request signal and, if so, commanding activation of the MFWD, determining if the speed-ratio request is for a predetermined speed ratio of the plurality of speed ratios using the speed-ratio request signal, and, if so, commanding deactivation of the MFWD, thereby overriding the MFWD request for activation, receiving a brake-status signal representative of whether a brake of the work vehicle is applied, and determining if the brake is applied using the brake-status signal, and, if so, commanding re-activation of the MFWD, thereby interrupting the overriding.