METHOD TO CONTROL A TRANSMISSION UNIT

Patentradars sammanfattning

This Scania CV AB invention discloses a control method that automatically identifies when a heavy-duty truck is operating in a road-paving scenario—specifically when it is in neutral and being physically pushed by a paver vehicle—and activates a dedicated 'paver mode.' Detection is achieved by evaluating a Newton's second law-based relation using sensor data on road inclination, rolling resistance, and longitudinal acceleration; a threshold triggers the mode when unexplained external forces are detected. Once in paver mode, the drivetrain permits gear engagement while the vehicle is in motion without requiring prior brake actuation, eliminating the jerky motion caused by conventional brake-before-gear requirements. The approach removes the need for dedicated dashboard hardware and reduces the risk of operator error.

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