Hybrid vehicles, social signals and household driving: Implications for miles traveled and gasoline consumption

Sun, Shanxia; Delgado, Michael S.; Khanna, Neha

doi:10.1016/j.eneco.2019.104519

Cited by 7 publications

(1 citation statement)

References 41 publications

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“…1,2 Hybrid electric vehicles are regarded as an important way to save energy and reduce emissions because of their better fuel economy and emission characteristics. 3,4 Compared with hybrid electric vehicles, hydraulic hybrid vehicles have the characteristics of high-power density and low cost. 5 Using accumulators as energy storage devices can withstand frequent energy charging and discharging, and there is no need to consider the environmental protection problems caused by battery scrap.…”

Section: Introductionmentioning

confidence: 99%

Energy management strategy for hydraulic hybrid system with compound accumulator based on dynamic programming

Tang

Xie

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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The compound accumulator is an energy storage device composed of one large accumulator and one small accumulator. Compared with traditional single-accumulator hydraulic hybrid vehicles, hydraulic hybrid vehicles based on compound accumulator can switch the working timing of large and small accumulators according to the characteristics of different working conditions, more braking energy can be recovered on the premise of providing enough braking strength. This article is aimed at hydraulic hybrid vehicles based on compound accumulator. First, the key components of the hydraulic system were matched, then according to the engine fuel consumption curve, the engine’s high-efficiency work area is divided, and formulated a rule-based energy management strategy based on the principle of adjusting the engine to work in a high-efficiency area. The internal pressure of the compound accumulator is selected as the state variable, the ratio of the torque of the hydraulic pump/motor to the required torque of the vehicle is the control variable, and the optimal fuel economy of the entire cycle is the objective function, and the mathematical model is established using the dynamic programming algorithm, and compiled a program in MATLAB to obtain the optimal torque distribution relationship between the engine and the hydraulic pump/motor and the optimal working timing of the large and small accumulators. Simulation results show that compared with the traditional hydraulic hybrid vehicle with single accumulator based on initial rules and the hydraulic hybrid vehicle with compound accumulator based on initial rules, the hybrid vehicle with compound accumulator based on improved rules can save fuel by 11.84[Formula: see text] and 5.96[Formula: see text] respectively. The fuel saving potential of the compound accumulator structure and the effectiveness of the improved rule control strategy based on dynamic programming algorithm are verified.

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Section: Introductionmentioning

confidence: 99%

Energy management strategy for hydraulic hybrid system with compound accumulator based on dynamic programming

Tang

Xie

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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Factors influencing household VMT considering differences between ICE and electric vehicles

Kwon

2024

Transp. j.

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This study examines factors affecting household vehicle miles traveled (VMT) with a focus on the differences between electric vehicles (EVs) and conventional internal combustion engine vehicles (ICEVs). This study mainly utilizes detailed individual‐level data from the 2017 National Household Travel Survey‐California Add‐on (2017 NHTS‐CA). We first classify households into three groups such as (1) households with only ICEVs, (2) households with only EVs, and (3) households with both ICEVs and EVs. We then employ ordinary least square regression models to analyze the determinants of household VMT across three groups. Second, we focus on households with both ICEVs and EVs to look at the substitute patterns between ICEVs and EVs. We employ a fractional logit model to analyze the factors affecting the share of EVs' VMT in total household VMT. Key findings are as follows. First, households with only EVs tend to have lower household VMT than others. Second, available charging stations near residential locations lead to longer households VMT in households with only EVs. Third, employment density has different effects on household VMT by groups. For instance, high employment density leads to shorter household VMT in households with only ICEVs and with both ICEVs and EVs. On the other hand, high employment density reveals a statistically positive effect on household VMT in households with only EVs. Lastly, in households with both ICEVs and EVs, the share of EVs' VMT is likely to increase in total household VMT if EVs are used more for work trips and shopping/family errands.

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Exploring the effectiveness of China's dual credit policy in a differentiated automobile market when some consumers are environmentally aware

Dong

et al. 2022

Energy Economics

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Hybrid vehicles, social signals and household driving: Implications for miles traveled and gasoline consumption

Cited by 7 publications

References 41 publications

Energy management strategy for hydraulic hybrid system with compound accumulator based on dynamic programming

Energy management strategy for hydraulic hybrid system with compound accumulator based on dynamic programming

Factors influencing household VMT considering differences between ICE and electric vehicles

Exploring the effectiveness of China's dual credit policy in a differentiated automobile market when some consumers are environmentally aware

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