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fraunhofer_certificate

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fraunhofer_certificate

  1. 1. Fraunhofer ITWM | Fraunhofer-Platz 1 | 67663 Kaiserslautern Herrn Aditya Mahesh Gerhart-Hauptmann-Straße 24/144 67663 Kaiserslautern Fraunhofer ITWM Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM Institutsleiter Prof. Dr. Dieter Prätzel-Wolters Fraunhofer-Platz 1 67663 Kaiserslautern Telefon + 49 631 31600-0 | Fax-1099 lnfo@ltwm.fraunhofer.de www.ltwm.fraunhofer.de Claudia Nickel M.A. HR Management Telefon + 49 631 31600-4677 | Fax-5677 claudia.nlckel@ltwm.fraunhofer.de Kaiserslautern, 1. Juli 2014 Confirmation Herebywe confirm, that Mr. Aditya Mahesh, born on 30"" July 1990 in Coimbatore (India), worked as a trainee in our department for »Mathematical Methods in Dynamics and Durability« at the Fraunhofer Institute for Industrial Mathematics, from 1" March 2014 until 30'^June 2014. The work of Mr. Mahesh isembedded into a project caliedVMC for trucks which is partially funded by the truck manufacturers DAF, Daimler, MAN, Scania and Volvo. An important part of this project Is the caiculation of a speed profile given a route, some simple vehicle characteristics and some parameters describing the driver behaviour. A basic Implementation of a corresponding algorithm was provided by ITWM, which had to be analysed with respect to various properties. The resulting accelerations and its distributionof amplitudes (ränge pair histogram) are of major importance. The provided approach uses a fixed time stepping scheme, where the individual time Steps may be performed either by PID Controller type approach or a simpler approach. In any case, the algorithm can be adjusted bya set of Parameters. The task of Mr. Mahesh was to get familiar with the VMC project and to study the influence of these parameters on the results and find a good setting for different driving manoeuvers which should be stable wrt. varying step length. The following steps have been included • getting familiar with the MATLAB Implementation and the basic test example • construction of a simplified example and comparlson of the ITWM approach with an approach implemented in the Software IPG TruckMaker • optimizing PID parameters and studying the stability of the solution wrt. modifications of the time Step size • documentation We thank Mr. Mahesh for his work and wish him all the best for his future career. Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., München Vorstand Prof. Dr.-Ing. habll. Prof. E.h.Dr.-Ing. E.h. mult. Dr.h.c. Relmund Neugebauer, Präsident Prof. (Univ.Stellenbosch) Dr. rer. pol. Alfred Gossner Dr. rer. publ. ass. iur. Alexander Kurz Bankverbindung Deutsche Bank, München Konto 752193300 BLZ 700 700 10 IBAN DE86 7007 0010 0752 1933 00 BIC (SWIFT-Code) DEUTDEMM USt-ldNr. DE129515865 Steuernummer 143/215/20392

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