Optimal Control of a Spark Ignition Engine Including Cold Start Operations for Consumption/Emissions Compromises

Jeanneret, Bruno; Buttes, Alice Guille Des; Pelluet, Jérémy; Kéromnès, Alan; Pélissier, Serge; Moyne, Luis Le

doi:10.3390/app11030971

Cited by 8 publications

(6 citation statements)

References 37 publications

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“…The best efficiency area lies at an equivalence ratio of φ = 0.97 (the model is from [29] and is fully developed in [24]). However, the efficiency improvement is less than 2% between φ = 0.97 and φ = 1.0, and the value φ = 0.97 emits a very large amount of NO x (the NO x conversion efficiency falls from 100% to almost 0 in this narrow window; see Figure 4).…”

Section: Consumption Centered Scenariomentioning

confidence: 99%

“…Figure 4 presents the shape of the curves. Finally, the engine model, fully described in [24] (equations, parameters values and measurements), comprises the following different parts: For clear comprehension of the results, it is mandatory to recall the equations of engine emissions (see Equations ( 2)-( 4)) and illustrate their shape for an arbitrary operating point (N = 2000 rpm; P intake = 0.9 bar) and various relative spark advance values (see Figure 5). A zero relative spark advance (∆ SA = 0) is optimal regarding engine efficiency; however, emission models are defined in absolute spark advance with the following relationship:…”

mentioning

confidence: 99%

“…In Equations ( 2)-( 4), co x , hc x , and no x denote adjusting parameters determined by experiments in [24].…”

mentioning

confidence: 99%

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Optimal Control for Cleaner Hybrid Vehicles: A Backward Approach

et al. 2022

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This work presents an application of the optimal control theory to find trade offs between fuel consumption and pollutant emissions (CO, HC, NOx) of sustaining hybrid vehicles. Both cold start and normal operations are considered. The problem formulation includes two state variables: battery state of energy and catalyst temperature; and three control variables: torque repartition between engine and motor, spark advance, and equivalence ratio. Optimal results were obtained by delaying the first engine crank after the urban part of the mission. The results show that a quick catalyst light off is performed. Once the catalyst is primed, special control parameters values are adopted to operate the engine.

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Section: Consumption Centered Scenariomentioning

confidence: 99%

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confidence: 99%

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Optimal Control for Cleaner Hybrid Vehicles: A Backward Approach

et al. 2022

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“…Emission regulation has become a very important part of today's car production [8,9]. Manufacturers are trying to design vehicles that produce the lowest possible emissions during operation [10][11][12]. The introduction of increasingly stringent emission standards is significantly increasing the use of electronics in vehicles.…”

Section: Introductionmentioning

confidence: 99%

Influence of Engine Electronic Management Fault Simulation on Vehicle Operation

Šarkan

Loman

Synák

et al. 2022

Sensors

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The preparation of the fuel mixture of a conventional internal combustion engine is currently controlled exclusively electronically. In order for the electrical management of an internal combustion engine to function properly, it is necessary that all its electronic components work flawlessly and fulfill their role. Failure of these electronic components can cause incorrect fuel mixture preparation and also affect driving safety. Due to the effect of individual failures, it has a negative impact on road safety and also negatively affects other participants. The task of the research is to investigate the effect of the failure of electronic engine components on the selected operating characteristics of a vehicle. The purpose of this article is to specify the extent to which a failure of an electronic engine component may affect the operation of a road vehicle. Eight failures of electronic systems (sensors and actuators) were simulated on a specific vehicle, with a petrol internal combustion engine. Measurements were performed in laboratory conditions, the purpose of which was to quantify the change in the operating characteristics of the vehicle between the faulty and fault-free state. The vehicle performance parameters and the production of selected exhaust emission components were determined for selected vehicle operating characteristics. The results show that in the normal operation of vehicles, there are situations where a failure in the electronic system of the engine has a significant impact on its operating characteristics and, at the same time, some of these failures are not identifiable by the vehicle operator. The findings of the publication can be used in the drafting of legislation, in the field of production and operation of road vehicles, and also in the mathematical modeling of the production of gaseous emissions by road transport.

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“…In today's automobiles, emission reduction has also taken on significant importance [14,31]. Vehicle manufacturers work hard to create models that emit the fewest pollutants feasible when driving [15,17,24].…”

Section: Introductionmentioning

confidence: 99%

Change in engine power in the event of electronic components failures

Šarkan

Loman

Senko

et al. 2022

The Archives of Automotive Engineering – Archiwum Motoryzacji

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In a conventional internal combustion engine, only electrical controls are used to prepare the fuel mixture. All parts must operate flawlessly in order for the vehicle and its components to operate correctly. Road safety may be negatively impacted by the failure of specific components. The purpose of the study was to ascertain how much the malfunction of particular electrical components affects how the vehicle operates. The vehicle's individual electronic parts were removed, and the engine power was then assessed. The primary determinant of a vehicle's technical condition is thought to be its engine power. The preparation of the combustion mixture was affected by the individual component disconnections, which reduced the vehicle's performance. A vehicle with an in-line four-cylinder engine was used for the experiment, which was conducted in a lab setting. This vehicle's eight components were gradually disengaged. The change in engine power was observed while they were disconnected. The measured values were always evaluated in terms of an automobile that had no defects and was in excellent condition. The study's findings demonstrate that there are circumstances in which a vehicle's usual operation is adversely affected when one or more of its electrical components malfunctions.

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Optimal Control of a Spark Ignition Engine Including Cold Start Operations for Consumption/Emissions Compromises

Cited by 8 publications

References 37 publications

Optimal Control for Cleaner Hybrid Vehicles: A Backward Approach

Optimal Control for Cleaner Hybrid Vehicles: A Backward Approach

Influence of Engine Electronic Management Fault Simulation on Vehicle Operation

Change in engine power in the event of electronic components failures

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