Method and arrangement for automated control of a vehicular drive train

摘要: Method and arrangement for automated control of a drive train (10) land vehicle to be executed when ground conditions exist that impede the initiation or continuation travel such as being stuck on loose slippery ground. The routine induces rocking action in purposed aid freeing permitting desired out area. As an initial step routine, it is determined whether condition exists. If so, power applied, via until wheel (26, 30) bogs down productive continuous established vehicle. A rocking-back permitted by discontinuation predetermined resumption occurs. Reverse can optionally applied at this time. Otherwise, reapplied another attempt forward progress. All these actions are controlled executes method, typically responsive driver-initiated signal.