48-V Hybridisation  of the Powertrain

Firsching, Peter; Eckl, Tobias; Rauch, Martin; Kohlhoff, Jan

doi:10.1007/s38313-016-0165-4

Cited by 4 publications

(3 citation statements)

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“…Taking the conventional vehicle as the baseline, the overall fuel consumption of the MHEV has reduced 7.9% in the WLTP cycle. The fuel consumption benefit is at a reasonable level compared with the previous research, 15,16 which proves the effectiveness of the control strategy.…”

Section: Resultssupporting

confidence: 63%

“…However, overcharge and deep discharge will shorten 48 V battery lifetime. 15 Therefore, the range should be controlled in a reasonable interval, which is set to 20%280% in this project. The general view of 48 V P0 energy management strategy is shown in Table 5.…”

Section: Energy Management Strategymentioning

confidence: 99%

“…[12][13][14] 48 V mild hybrid technology is regarded as an effective short-term electrification solution due to its potential fuel consumption reduction and affordable cost. [15][16][17] 48 V MHEV has the ability to achieve fuel consumption benefit close to that of a full HEV through the test driving cycle, and only needs minor modifications on the existing powertrain system, so automobile manufacturers can realize agile and efficient development, avoiding dedicated platforms or architectures. 14,18 These advantages make the 48 V mild hybrid technology preferable in the current market place.…”

Section: Introductionmentioning

confidence: 99%

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The development of the fuel saving control strategy for 48 V P0 system: Design and experimental investigation

Shang,

Zhang,

Yin

et al. 2024

Advances in Mechanical Engineering

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This paper presents a fuel consumption reduction control strategy for a newly-developed 48 V P0 mild hybrid electric vehicle and evaluates its fuel economy benefit experimentally. The strategy is designed with rule-based methods and utilizes various functions such as start-stop, torque boost, regeneration, load shift, BSG neutral mode and torque interventions with BSG. Fuel consumption comparison tests are performed in the WLTP cycle between the MHEV and the conventional vehicle. The authors evaluate the performance of specific key functions, analyze the energy flow of the 48 V battery, and calculate the fuel saving rate of the MHEV. The SOC of the 48 V battery is balanced in the WLTP cycle. The total energy charged to the 48 V battery is 378 Wh, of which 82% comes from the regeneration pattern. The total energy discharged from the 48 V battery is 355 Wh, of which 85% is consumed by the load shift pattern (BSG neutral state and Discharging state). The fuel consumption of the MHEV is reduced by 7.9% compared with the conventional vehicle in the WLTP cycle. The start-stop, BSG neutral, and torque interventions with BSG save fuel by 3.8%, 0.9%, and 0.5% respectively. The other hybrid functions save fuel by 2.7%.

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Section: Resultssupporting

confidence: 63%

Section: Energy Management Strategymentioning

confidence: 99%