Energía y Ambiente (ITBA-KIT)

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Selection of ideal test platforms for methodical real driving emissions development use cases
(2019-06-11) Rupfle, Johannes; Koch, Thomas
"The present thesis elaborates essential requirements for the test environment in the context of Real Driving Emissions (RDE). Within the scope of the work, a comprehensive literature research to current methodical approaches in the RDE development is carried out and the results are compared. To compare the derived requirements with the existing hardware, software and simulation methods, a tool is created that both maps the current status and evaluates a target status and thus provides an overview of the capabilities of the test environment. For selected use cases of RDE development, concrete development needs are identiﬁed and solution approaches are proposed. In the results section, diﬀerent driver controllers are compared with each other and essential objectives are discussed. In the results part, diﬀerent driver controllers are compared with each other and essential objectives are discussed, engine operating conditions and deviations to the real vehicle are pointed out, important road load parameters are identiﬁed, characteristics of the test bench conditioning systems are discussed and the performance requirements on the electrical machine for diﬀerent test bench set-ups are analyzed."