Analyzing the performance index for a Hybrid Electric Vehicle

Ngo, D.V.; Hofman, Théo; Steinbuch, M Maarten; Serrarens, A.F.A.

doi:10.1109/acc.2011.5991368

Cited by 4 publications

(1 citation statement)

References 13 publications

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“…Мета дослідження. Відтак поряд із дуже важливою задачею синтезу законів керування трансмісією як такою [21,22] виникає ще й задача формування раціональних чи й оптимальних законів, стратегій, алгоритмів керування безпосередньо пристроями перемикання передач. На перший погляд, задача не дуже складна.…”

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Rational Strategies for Controlling Switching Devices in Gearbox Transmission

Hashchuk

2022

Вісник ЛДУ БЖД

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The general principles and strategies to control the work of switching devices in a step transmission of the car are considered. It is assumed that the synchronization of the rotation of the transmission elements during the change of gears is carried out with the active participation of the engine, without interrupting the flow of energy to the wheel engines and with accurate reproduction of an arbitrary program of car movement. For clarity, the study of control algorithms of the "engine - transmission" system is based on the analysis of the effectiveness of possible modes of clutches operation. However, in reality, it is a completely abstract process and it does not make sense to associate it with a specific technical embodiment. The measure of process efficiency is governed by energy consumption. It is taken into account that: 1) the process of shifting determines the modes of engine operation which is actively involved in the implementation of the shift, and this affects fuel consumption; 2) gear shifting and concomitant synchronization of rotational movements are always associated with the dissipation of energy in the form of heat.It was found that it is possible to objectively assess the effectiveness of the control of gear shifting processes if we consider them through the prism of optimal control of the overall system "engine - transmission". But it is easy to understand that the Zeroshift concept is by all indications the embodiment of a kind of "technical" compromise as opposed to various formal compromises. In this case, the process of actual gear change is reduced to almost an instantaneous act of gear change, which will significantly affect the principles of the general theory of "engine - transmission" system optimal control: the synthesis of control laws will be reduced to the construction of shift maps, but this will exacerbate the problem of so-called looping.

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Rational Strategies for Controlling Switching Devices in Gearbox Transmission

Hashchuk

2022

Вісник ЛДУ БЖД

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Energy-based debounce of mode shift frequency for optimization-based hybrid vehicle control strategies

Trautmann

Fugel

Küçükay³

2022

Automot. Engine Technol.

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Implementation of an Energy Management Strategy for Hybrid Electric Vehicles Including Drivability Constraints

Miro-Padovani

Colin

Ketfi-Cherif

et al. 2016

IEEE Trans. Veh. Technol.

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International audienceThe energy management strategy (EMS) of a Hybrid electric vehicle (HEV) is a supervisory control meant to steer power flows among the different energy sources of the powertrain. The EMS is designed for the purpose of reaching the maximum potential of a given powertrain architecture. Fuel consumption is not the only criterion to be considered for evaluating the global performance of an EMS, as the EMS also impacts other features such as drivability, through engine starts/stops and gear shifts. This paper proposes a general approach to include drivability constraints in the EMS of powertrains provided with discrete automated transmissions. As a first step, determinist dynamic programming (DDP) is used to compute the optimal solution of the resulting optimization problem. This optimal solution is then used to assess the performance of the proposed on-line strategy which is based on the Equivalent Consumption Minimization Strategy (ECMS). Finally, simulation results are completed by a discussion of experimental results, as the proposed on-line strategy has been implemented in a prototype vehicle designed at Renault and tested on a dynamometric bench

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Analyzing the performance index for a Hybrid Electric Vehicle

Cited by 4 publications

References 13 publications

Rational Strategies for Controlling Switching Devices in Gearbox Transmission

Rational Strategies for Controlling Switching Devices in Gearbox Transmission

Energy-based debounce of mode shift frequency for optimization-based hybrid vehicle control strategies

Implementation of an Energy Management Strategy for Hybrid Electric Vehicles Including Drivability Constraints

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