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Driver-in-the-Loop Drivability and Energy Efficiency Analysis of Regenerative Braking Strategies for Electric Vehicles McMaster Automotive Res. Centre (MARC)
- Format:
- Book
- Conference/Event
- Author/Creator:
- Barroso, Daniel Goretti L., author.
- Conference Name:
- WCX SAE World Congress Experience (2023-04-18 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2023
- Summary:
- This paper investigates different regenerative braking strategies applied to Battery Electric Vehicles, such as series and parallel brake blends. The comparison includes energy efficiency assessment using homologation and real-world drive cycle and objective and subjective drivability evaluation. Multiple simulations are performed using a one-dimensional (1D) vehicle model developed in Simulink and a static driving simulator. The driving simulator provides a fair comparison of real-world driving since it creates repeatable highway and urban traffic conditions. These simulations compare the system energy efficiency by looking at the battery's state of charge (SOC). The drivability is assessed on top of consumption by using the static driving simulator. It is objectively measured by calculating the longitudinal acceleration change ratio over time, which occurs during the regeneration ramp-in and ramp-out, for different pedal positions and pedal gradients. The drivability is also subjectively evaluated by assessing the system's smoothness and absence of shakes during braking maneuvers and the deceleration feels while "freely" coasting at high speeds. This study clarifies the utilization of a driving simulator integrated with a model-based design apporoach to develop regenertive braking controls and braking system architectures for electrified vehicles. In the study case presented in this paper, the Series regenerative braking shows better efficiency and better drivability, especially for conditions of low accelerations lower than 0.3g
- Notes:
- Vendor supplied data
- Publisher Number:
- 2023-01-0480
- Access Restriction:
- Restricted for use by site license
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