A modified control strategy for parallel hybrid electric vehicles equipped with continuously variable transmission

Delkhosh, M.; Foumani, Mahmoud Saadat; Falahati, F.

doi:10.24200/sci.2016.3865

Cited by 5 publications

(4 citation statements)

References 30 publications

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“…This range is de ned to prolong the battery service life and is presented by the battery manufacturer. The EACS strategy includes seven parameters to determine the operation points of ICE and EM [27]. The rules of this strategy are fully described in [20].…”

Section: Modi Ed Eacs (M-eacs)mentioning

confidence: 99%

An Optimal Control Strategy for Parallel Hybrid Electric Vehicles

Delkhosh

Foumani

2018

Scientia Iranica

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This paper proposes a new Power Management Strategy (PMS) for parallel hybrid electric vehicles equipped with Continuously Variable Transmission (CVT). The proposed PMS is established on the basis of Electric Assist Control Strategy (EACS) and Equivalent Consumption Minimization Strategy (ECMS). This control approach is based on maintaining the battery energy within a recommended range, considering the CVT e ciency in selecting the engine operating point, and nding the best power split between the engine and electric motor at certain moments of the driving. In order to evaluate the e ectiveness of this scheme, it is compared with EACS, a modi ed version of EACS and ECMS. It is shown that, in all of the studied driving cycles, the proposed PMS is superior to the considered rival strategies in terms of fuel consumption and, also, HC and CO emissions.

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Section: Modi Ed Eacs (M-eacs)mentioning

confidence: 99%

An Optimal Control Strategy for Parallel Hybrid Electric Vehicles

Delkhosh

Foumani

2018

Scientia Iranica

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“…The studies on HEV energy management strategies have been mainly focused on optimizing the strategies for fuel economy [27], [28], [29], [30], [31]. To date, little attention has been paid to modifications of HEV energy management strategies to reduce the engine emitted noises.…”

Section: Introductionmentioning

confidence: 99%

Optimal Control of Hybrid Electric Vehicles by Considering Engine and Tire/Road Noises

et al. 2021

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Along with exhaust emissions and fuel consumptions (FCs), noise emission from cars is one of the main concerns of automotive industry. Hybridization is a promising method not only to make automobiles more environmentally-friendly, but also to reduce their noise emissions. However, a proper control design for hybrid electric vehicles (HEVs) to make noise emissions lower is still required in addition to exhaust emissions and FC reductions. In this study, we modify Equivalent Consumption Minimization Strategy (ECMS) to keep the engine noise less than tire/road noise during driving. A test bench is established for calculating the engine noise and brake specific fuel consumption. Moreover, tire/road noise is experimentally defined as a function of the vehicle speed. It is shown that implementing the basic ECMS, the engine noise exceeds the tire/road noise in some moments of driving cycle, which is annoying to the passengers. Therefore, a modified ECMS is proposed to limit the candidate engine operating points such that the engine noise does not exceed the tire/road noise. It is shown that the engine noise level is kept below the tire/road noise level by using the modified ECMS at the expense of a very small increase (about 1%) in the vehicle's FC.

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“…Long and Nhan (2012) minimized the vehicle FC, emissions, and total production cost by optimizing the EACS parameters and the size of the HEV components. Delkhosh et al. (2016) proposed a modification of the EACS with the aim of minimizing the vehicle FC by running the engine at the fuel-optimal points.…”

Section: Introductionmentioning

confidence: 99%

Optimal energy management strategy of a hybrid electric vehicle considering engine noise

Aliramezani

Khademnahvi

Delkhosh

2018

Journal of Vibration and Control

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Noise emission from vehicles in urban transportation has become of interest for researchers in addition to the engine exhaust gas emissions due to its significant effect on public health. In this work, an optimal energy management strategy is proposed for a hybrid electric vehicle (HEV) by taking the effect of engine noise into account. The engine noise is calculated based on a pressure-based combustion noise model at different operating points of a 1.5 L gasoline engine. The optimal operating points of the engine are defined using the calculated engine noise from in-cylinder pressure data and experimental data of brake specific fuel consumption (FC). A modification on the electric assist control strategy is proposed to mask the engine noise below the road noise. The modified strategy is then optimized for different driving cycles. Comparison of the results demonstrates that the proposed modification not only masks the engine noise below the road noise, but also reduces the vehicle FC.

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A modified control strategy for parallel hybrid electric vehicles equipped with continuously variable transmission

Cited by 5 publications

References 30 publications

An Optimal Control Strategy for Parallel Hybrid Electric Vehicles

An Optimal Control Strategy for Parallel Hybrid Electric Vehicles

Optimal Control of Hybrid Electric Vehicles by Considering Engine and Tire/Road Noises

Optimal energy management strategy of a hybrid electric vehicle considering engine noise

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