Using drive-by-wire technology to design integrated powertrain modules ntegration of the evaluation of surrounding variables

This paper presents a modular mechatronic system based on the major assemblies of the engine, transmission, axles and steering systems. The overall concept of an integrated powertrain for performing holistic movement tasks, including the propulsion, braking, steering and load-carrying functions, will be realized based on electronic actuation. The powertrain will be activated as a drive-by-wire module by specifying a movement wish (direction and acceleration) at an electronic coordination level. The paper outlines both the options for designing the system architecture and the degree of functional integration with the aim of using the smallest possible number of control units. The paper also discusses potential areas of application such as autonomous driving, sidestick and electronic drawbar, as well as applications like reversing assistance for truck-and-trailer combinations. Questions relating to the causes of accidents are discussed with a view to improving active traffic safety. The aim of future developments is to use data from predictive and reactive systems in order to avoid dangerous traffic situations before a driving command is executed. The number of accidents can be reduced by using data which has been acquired from a carefully targeted evaluation of the surrounding variables, before issuing a securely confirmed planned movement wish.