A Series Elastic Brake Pedal to Preserve Conventional Pedal Feel under Regenerative Braking

Caliskan, Umut; Apaydin, Ardan; Otaran, Ata; Patoğlu, Volkan

doi:10.1109/iros.2018.8594317

Cited by 7 publications

(4 citation statements)

References 17 publications

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“…The driving performance arXiv:1910.02440v1 [cs.RO] 6 Oct 2019 of volunteers under regenerative braking with and without haptic pedal feel compensation, under one-pedal driving and two-pedal cooperative braking conditions are reported. This work significantly extends the preliminary user study presented in [12] by the addition of the dynamometer to render reaction forces due to the friction brake, the utilization of an accelerator pedal, the addition of the one-pedal driving condition and more extensive evaluations based on a new experimental protocol and multiple performance metrics.…”

Section: Introductionmentioning

confidence: 75%

“…A. Series Elastic Brake Pedal Figure 1 presents an exploded view of the series elastic brake pedal, whose initial design has been detailed in [12]. The device is actuated by a brushless DC motor equipped with an optical encoder to provide 1 Nm continuous torque output.…”

Section: Methodsmentioning

confidence: 99%

“…Along these lines, electro-hydraulic [2], [4], [9] and electro-mechanical [10], [11] force-feedback brake pedals have been proposed in the literature. The authors have also proposed a force-feedback brake pedal with series elastic actuation (SEA) to preserve the conventional brake pedal feel during cooperative regenerative braking [12].…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of Haptic Pedal Feel Compensation on Driving With Regenerative Braking

Caliskan

Patoğlu

2020

IEEE Trans. Haptics

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We study the efficacy of haptic pedal feel compensation on driving safety and performance during regenerative braking. In particular, we evaluate the effectiveness of the preservation of the natural brake pedal feel under two-pedal cooperative braking and one-pedal driving scenarios, through human subject experiments in a simulated vehicle pursuit task. The experimental results indicate that pedal feel compensation can significantly decrease the hard braking instances, improving safety for both two-pedal cooperative braking and onepedal driving. Volunteers also strongly prefer compensation, while they equally prefer and can effectively utilize both two-pedal and one-pedal driving conditions. Furthermore, the beneficial effects of haptic pedal feel compensation is larger for the two-pedal cooperative braking case.Index Terms-Regenerative braking, cooperative braking, one-pedal driving, haptic pedal feel compensation, force-feedback brake pedal.U. Caliskan and V. Patoglu are with the

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Section: Introductionmentioning

confidence: 75%

Section: Methodsmentioning

confidence: 99%

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Efficacy of Haptic Pedal Feel Compensation on Driving With Regenerative Braking

Caliskan

Patoğlu

2020

IEEE Trans. Haptics

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“…In addition to energy recovery, safe braking is also important which is affected by the BPF of the driver. BPF is the feedback force experienced a driver from the brake pedal during braking (Caliskan et al , 2018), and a consistent BPF is required to be maintained during the entire braking period. Very few works consider the driver’s pedal feel in the control strategy of maximizing energy recovery and vehicle stability.…”

Section: Introductionmentioning

confidence: 99%

An improved parallel regenerative braking system for small battery electric vehicle

Mondal

Nandi²

2022

WJE

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Purpose The purpose of this paper is to design an improved parallel regenerative braking system (IPRBS) for electric vehicles (EVs) that increases energy recovery with a constant brake pedal feel (BPF). Design/methodology/approach The conventional hydro-mechanical braking system is redesigned by incorporating a reversing linear solenoid (RLS) and allowed to work in parallel with a regenerative brake. A braking algorithm is proposed, and correspondingly, a control system is designed for the IPRBS for its proper functioning, and a mathematical model is formulated considering vehicle drive during braking. The effectiveness of IPRBS is studied by analyzing two aspects of regenerative braking (BPF and regenerative efficiency) and the impact of regenerative braking contribution to range extension and energy consumption reduction under European Union Urban Driving Cycle (ECE). Findings IPRBS is found to maintain a constant BPF in terms of deceleration rate vs pedal displacement during the entire braking period irrespective of speed change and deceleration rate. The regenerative ratio of IPRBS is found to be high compared with conventional parallel regenerative braking, but it is quite the same at high deceleration. Originality/value A constant BPF is achieved by introducing an RLS between the input pushrod and booster input rod with appropriate controller design. Comparative analysis of energy regenerated under different regenerative conditions establishes the originality of IPRBS. An average contribution ratio to energy consumption reduction and driving range extension of IPRBS in ECE are obtained as 18.38 and 22.76, respectively.

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An Improved Hydro-mechanical Braking System to Maintain a Constant Pedal Feel During Deceleration of Electric Vehicle

Mondal

Nandi

2021

Advances in Materials and Mechanical Engineering

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A Series Elastic Brake Pedal to Preserve Conventional Pedal Feel under Regenerative Braking

Cited by 7 publications

References 17 publications

Efficacy of Haptic Pedal Feel Compensation on Driving With Regenerative Braking

Efficacy of Haptic Pedal Feel Compensation on Driving With Regenerative Braking

An improved parallel regenerative braking system for small battery electric vehicle

An Improved Hydro-mechanical Braking System to Maintain a Constant Pedal Feel During Deceleration of Electric Vehicle

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