Tomorrow's Trucks-A Progress Review and Reappraisal of Future Needs

Braswell, R.; Broder, Joseph F.; Fisher, Peggy J.; Flesher, Robert D.; Foster, David; Gooch, Sid; Johnson, Kenneth F.; Pannella, Harrison T.; Rak, Robert L.; Rood, George; Salas, James Oswaldo Torres; Summer, C. Oren; Suski, Victor; Thrift, Jerry

doi:10.4271/932975

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…A description of two performance-based brake testers -the roller dynamometer brake tester and the flat plate brake tester, and the associated failure criteria when an air brake system is tested with them can be found in [15]. It is appropriate to point out that, in an appraisal of the future needs of the trucking industry [16], the authors, who represent a broad spectrum of the trucking industry, call for the development of improved methods of brake inspections.…”

Section: A Background and Motivationmentioning

confidence: 99%

A Diagnostic System for Air Brakes in Commercial Vehicles

Subramanian

Darbha

Rajagopal

2006

IEEE Trans. Intell. Transport. Syst.

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Section: A Background and Motivationmentioning

confidence: 99%

A Diagnostic System for Air Brakes in Commercial Vehicles

Subramanian

Darbha

Rajagopal

2006

IEEE Trans. Intell. Transport. Syst.

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A model of the relay valve used in an air brake system

Natarajan

Subramanian

Darbha

et al. 2007

Nonlinear Analysis: Hybrid Systems

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Modeling the pneumatic subsystem of a s-cam air brake system

Subramanian

Darbha

Rajagopal

Proceedings of the 2003 American Control Conference, 2003.

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The air brake system is one of the critical components in ensuring the safe operation of any commercial vehicle. This work is directed towards the development of a fault-free model of the pneumatic subsystem of the air brake system. This model can be used in brake control and diagnostic applications. Current enforcement inspections are done manually and hence are time consuming and subjective. The long-term objective is to develop a model-based, performance-based diagnostic system that will automate enforcement inspections and help in monitoring the condition of the air brake system. Such a diagnostic system can update the driver on the performance of the brake system during travel and with recent advancements in communication technology, this information can be remotely transferred to the brake inspection teams. Since this system is performance-based, it will eliminate the subjective nature of visual inspections. The first step in the development of such a diagnostic system is to obtain a fault-free model of the air brake system. The model of the pneumatic subsystem correlates the pressure transients in the brake chamber with the brake pedal actuation force and the brake valve plunger displacement. An experimental test bench was set up at Texas A&M University and the experimental data is used to corroborate the results obtained from the model.

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Tomorrow's Trucks-A Progress Review and Reappraisal of Future Needs

Cited by 4 publications

References 5 publications

A Diagnostic System for Air Brakes in Commercial Vehicles

A Diagnostic System for Air Brakes in Commercial Vehicles

A model of the relay valve used in an air brake system

Modeling the pneumatic subsystem of a s-cam air brake system

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