Essay about Senotronic Braking

University of Huddersfield Repository

Retzer, H., Mishra, Rakesh, Ball, Andrew and Schmidt, K. Fallback level concepts pertaining to conventional and by-wire vehicle brake systems Original Citation Retzer, L., Mishra, Rakesh, Ball, Toby and Schmidt, K. (2012) Fallback level concepts pertaining to conventional and by-wire auto brake devices. Journal of Physics: Seminar Series, 364. 012019. ISSN 1742-6596 This version is available at The University Repository is a digital collection of the research outcome of the University, available on Wide open Access. Copyright and Meaning Rights intended for the items on this site are maintained by the specific author and other copyright owners. Users may get full things free of charge; clones of complete text items generally may be reproduced, displayed or performed and provided to third parties in just about any format or perhaps medium for personal research or study, educational or not-for-profit purposes devoid of prior permission or charge, provided: • • • The authors, title and full bibliographic details can be credited in different copy; One of the links and/or WEB ADDRESS is included to get the original metadata page; plus the content is definitely not transformed in any way.

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Fallback level concepts for typical and by-wire automotive brake systems L Retzer1, three or more, R Mishra1, A Ball1 and T Schmidt2


University of Huddersfield, University of Computer and Architectural, Queensgate, Huddersfield, HD1 3DH, UK 2 University of Applied Sciences Frankfurt am Primary, Department of Computing and Engineering, Holland am Primary, D-60318, Indonesia 3 Continental, Division Chassis & Security, Frankfurt are Main, D-60488, Germany Email: hermann. [email protected] com Summary: Brake-by-wire presents the replacement of traditional braking mechanism components including pumps, tubes, fluids, brake boosters, and master cyl by digital sensors and actuators. The different design of these types of brake concepts poses new challenges pertaining to the automotive industry with regard to availableness and fallback levels in comparison to standard conventional brake systems. This contribution focuses on the development of appropriate fallback level principles. Hardware-in-the-loop (HIL) techniques and field trials will be used to look at the functionality and the functionality of these kinds of systems. Keywords and phrases: Brake-by-wire, Fallback level, Hardware-in-the-loop (HIL), Field trial

1 ) Introduction The final three decades of automotive design have primarily been inspired by x-by-wire-technologies. Besides steer-by-wire and throttle-by-wire a major take into account developing driving dynamics was and still is the brake-by-wire technology, e. g. the Electro Mechanical Brake pedal (EMB) and the die Electronica Hydraulic Brake pedal (EHB). The first setup of the brake-by-wire technology in the automobile record was the EHB system of japan automotive dealer ADVICS (subsidiary of Toyota) at the beginning of the year 2001 inside the Toyota Estima Hybrid. In September of the identical year the first EHB system SBC (Sensotronic Braking mechanism Control) from the worldВґs most significant automobile dealer BOSCH was presented in the International Motorshow at The netherlands (IAA) [1]. The SBC was implemented inside the Mercedes-Benz S- and C-Class and in the luxury car company Maybach. Several performance concerns of the electro-hydraulic brake system required Mercedes-Benz to recall 680. 000 vehicles of the E-Class and SLClass in May 2005. Further difficulties arose in the low functionality of the mechanic-hydraulic fallback standard of the SBC system [2]. The Mercedes and Maybach individuals simply did not accept the fallback level concept of SBC in spite of the very fact, that it was built to match the legal regulations with a minimum deceleration of two, 44 m/s2 at a pedal pressure 500 D. The wide range of customer issues in the end forced Mercedes Benz in the year 2006 to the biggest recall (1. 3...

Recommendations: [1] Breuer, Bill, Braking mechanism Technology Handbook, SAE Foreign, Warrendale, Pa, USA, 2008 [2] Spiegel online, Bremsversagen: DaimlerChrysler ruft 680. 500 Mercedes SL und Elizabeth zurГјck (12. 5. 2004),,1518,299464,00.html, [3] Die Zeit (6. 5. 2005) Nr. 15, Das Mythos in Werkstatt, [4] Regulation: ECE L 13H, Issued by ECE GRRF [5] Regulation: Federal government Motor Vehicle Safety Standards (FMVSS)- Standard No . 135 -- Light Car Brake Devices - Cars (Effective 3-6-95), issued by NHTSA (National Highway Traffic Safety Administration) [6] Reichel, Elektronisches Bremssystem, expert Verlag, Renningen, 2001


Mendelson, Curry, Southall, Jamson, Smith, DriverВґs understanding of a secondary brake system, Section for Transport, UK, 2003 [8] Scharf, Measurement-Example of any test new driver at the time the brake system conversion into the fallback level setting, Continental Teves AG & Co. oHG, 2011 [9] Isermann, Fahrdynamik-Regelung, Vieweg Verlag, Wiesbaden, 06\ [10] Ls, private interaction [7]