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Mathematical Problems in Engineering - Volume 2015 2015, Article ID 467165, 12 pages -

Research Article

Center for Innovation, Design and Technology, Tecnológico de Monterrey, E. Garza Sada 2501, 64849 Monterrey, NL, Mexico

Department of Mechanical Engineering, Tecnológico de Monterrey, E. Garza Sada 2501, 64849 Monterrey, NL, Mexico

Department of Mechanical & Aerospace Engineering, The Ohio State University, 201 W 19th Avenue, Columbus, OH 43210, USA

Research and Graduate Program, Tecnológico de Monterrey, E. Garza Sada 2501, 64849 Monterrey, NL, Mexico

Received 6 June 2014; Revised 15 October 2014; Accepted 15 October 2014

Academic Editor: Kang Li

Copyright © 2015 Pedro Daniel Urbina Coronado et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Developments of technologies that facilitate vehicle connectivity represent a market demand. In particular, mobile device MD technology provides advanced user interface, customization, and upgradability characteristics that can facilitate connectivity and possibly aid in the goal of autonomous driving. This work explores the use of a MD in the control system of a conceptual electric vehicle EV. While the use of MD for real-time control and monitoring has been reported, proper consideration has not been given to delays in data flow and their effects on system performance. The motor of a novel propulsion system for an EV was conditioned to be controlled in a wireless local area network by an ecosystem that includes a MD and an electronic board. An intended accelerator signal is predefined and sent to the motor and rotational speed values produced in the motor are sent back to the MD. Sample periods in which the communication really occurs are registered. Delays in the sample periods and produced errors in the accelerator and rotational speed signals are presented and analyzed. Maximum delays found in communications were of 0.2 s, while the maximum error produced in the accelerator signal was of 3.54%. Delays are also simulated, with a response that is similar to the behavior observed in the experiments.





Autor: Pedro Daniel Urbina Coronado, Horacio Ahuett-Garza, Vishnu-Baba Sundaresan, and Ruben Morales-Menendez

Fuente: https://www.hindawi.com/



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