Potential for Commonization of Brake Testing for Globally Marketed Vehicles

Grochowicz, Jaroslaw; Grabiec, Tomasz

doi:10.4271/2009-01-3031

Cited by 3 publications

(1 citation statement)

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“…Depending on the vehicle type, brake pad materials, driving routes and operating environment, the average pad life varies from 28400 km to 33800 km [63]. Considering the emergency braking produces more wear than usual, ten brake pad replacements for whole 250000 km vehicle life is regarded as a reasonable assumption in this paper.…”

Section: The Cost Saving In Braking Equipment Maintenancementioning

confidence: 99%

The dynamic performance and economic benefit of a blended braking system in a multi-speed battery electric vehicle

et al. 2016

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As motor-supplied braking torque is applied to the wheels in an entirely different way to hydraulic friction braking systems and it is usually only connected to one axle complicated effects such as wheel slip and locking, vehicle body bounce and braking distance variation will inevitability impact on the performance and safety of braking. The potential for braking energy recovery in typical driving cycles is presented to show its benefit in this study. A general predictive model is designed to analysis the economic and dynamic performance of blended braking systems, satisfying the relevant regulations/laws and critical limitations. Braking strategies for different purposes are proposed to achieve a balance between braking performance, driving comfort and energy recovery rate. Special measures are taken to avoid any effects of motor failure. All strategies are analyzed in detail for various braking events. Advanced driver assistance systems (ADAS), such as ABS and EBD, are properly integrated to work with the regenerative braking system (RBS) harmoniously. Different switching plans during braking are discussed. The braking energy recovery rates and brake force distribution details for different driving cycles are simulated. Results for two of the cycles in an 'Eco' mode are measured on a drive train test rig and found to agree with the simulated results to within approximately 10%. Reliable conclusions can thus be gained on the economic benefit and dynamic braking performance. The strategies proposed in this paper are shown to not only achieve comfortable and safe braking during all driving conditions, but also to significantly reduce cost in both the short and long term.

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Section: The Cost Saving In Braking Equipment Maintenancementioning

confidence: 99%