Patent ID: 9469340
Filing Date: 2016-10-18
CPC Classification: A01B,B62D

Claim Text:
1. A steerable, self-propelled vehicle including an agricultural tractor, the steerable self-propelled vehicle comprising: a steering mechanism having a rotatable steering column that is connected to control a steering angle of one or more ground-engaging members of the vehicle, the vehicle including wherein the vehicle includes a human-machine interface (HMI) using which a driver may input commands selecting two or more programmed modes of operation of the steering servomechanisms, wherein the HMI includes switching interfaces for selecting between programmed modes that control steering during movement of the tractor respectively in a field headland and in other locations, wherein the HMI includes respective switches for selecting the programmed modes and sequentially selecting sub-modes following selection of a said programmed mode, and wherein the sub-modes available following selection of headland operation include a damped steering sub-mode, a maximal assistance sub-mode, an automatic steering centring sub-mode, and a lock-to-lock assistance sub-mode, and the sub-modes available following selection of other location operation include an on-road sub-mode, a damped steering sub-mode, and a maximal assistance sub-mode.