Johannes Betz
J. Betz, “Visio.M - Leichtfahrzeugkonzept für urbane Elektromobilität.,” Unpublished, 2015, doi: 10.13140/RG.2.2.30235.46887
Publication year: 2015

In the Visio.M joint project presented here, the aim was to find ways of building small, efficient electric vehicles so safely and inexpensively that they could achieve a significant share of the mass market. The visionary mobility concept to be derived from this is to be a vehicle that meets the requirements of registration class L7e with an output of 15 kilowatts and a maximum unladen weight of 450 kilograms (without battery). In order to implement electromobility in a meaningful way, it is necessary to adapt the entire vehicle concept both to the changed boundary conditions of the drive system and to the planned application scenario. The biggest challenge is to reduce costs to a competitive level. The biggest cost driver is currently the energy storage system. In order to keep it as small as possible, the vehicle was designed efficiently. By consistently minimizing the driving resistances, reducing the total weight and increasing the efficiency, it is already possible to represent an inexpensive electric vehicle at today’s energy storage costs. A low vehicle mass is achieved through the structural-mechanical optimization of the body and has a direct effect on the energy consumption required for acceleration and thus on the necessary capacity of the energy storage system carried along. Since the reduced vehicle mass means that the chassis and powertrain can also be made smaller, the weight saved counts several times over for the same range requirement. The project differs in particular by an intensive consideration

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