Comparison of Engine Simulation Software for Development of Control System

Chan, KinYip; Ordys, Andrzej; Волков, К. Н.; Durán, Olga

doi:10.1155/2013/401643

Cited by 10 publications

(8 citation statements)

References 16 publications

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“…In addition, these cases represent four-valve overlapping conditions given that valve overlapping occurs when the valves of exhaust and intake open in the same period [26]. Figure 4 illustrates the overlapping valve diagram of the piston position [27]. Typically, after the piston shifts beyond the TDC in the intake stroke, the period before the piston in the exhaust stroke reaches the TDC [20].…”

Section: Case 4-levo and Levcmentioning

confidence: 99%

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Variable Valve Timing (VVT) Modelling by Lotus Engine Simulation Software

Allawi

Mejbel

Oudah

2021

IJAME

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Variable valve timing (VVT) is an advanced modern technique applied in internal combustion engines by altering the valve lift event timing. This work aims to contribute to the continuing industrial VVT development to improve engine efficiency, fuel consumption and performance. To observe the influence on the spark-ignition (SI) engine’s performance, four valve timing strategies are selected carefully by varying the intake and exhaust valve timing. Lotus Engine Simulation, a simulation engineering software, is adapted in this study. The engine characteristics used in this modelling are spark engine, multicylinder, four strokes, port injection fuel system and constant compression ratio. A comparison between a conventional standard exhaust/intake valve timing and three other different timing cases is carried out. Results reveal that the overlap case of 98° showed a good brake-specific fuel consumption by approximately 3% less than the conventional case. An improvement of 6.2% for volume efficiency and 2.9% in brake thermal efficiency is also reported.

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Section: Case 4-levo and Levcmentioning

confidence: 99%

“…Longer IVO duration is required when high energy combustion at high engine speed is needed; thus, high quality of air is also required [22]. A fraction of the exhaust gas is sucked back to the combustion chamber when the exhaust valve is open; thus, the temperature and pressure are increased [27].…”

Section: Case 4-levo and Levcmentioning

confidence: 99%

Variable Valve Timing (VVT) Modelling by Lotus Engine Simulation Software

Allawi

Mejbel

Oudah

2021

IJAME

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“…Continuous modelling process reproduced from [13], with permission from EDP Sciences, 2020. [14], with permission from Hindawi Publishing Corporation, 2020.…”

Section: Introductionmentioning

confidence: 99%

“…Structure of thermodynamic based simulation of ICE operating cycle reproduced from[14], with permission from Hindawi Publishing Corporation, 2020.…”

mentioning

confidence: 99%

Data Driven In-Cylinder Pressure Diagram Based Optimization Procedure

Tadros

Ventura

Soares

2020

JMSE

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An engine optimization model is developed to fit the calculated in-cylinder pressure diagram to the experimental data by finding the optimal values of the start angle of injection and the amount of injected fuel for different engine loads. Firstly, the engine model is built in Ricardo Wave software and some parts are calibrated using data collected from the manufacturer. Then, an optimization process is performed based on the fitness function that includes the objective of the study and the penalty functions to express constraints. This optimization environment simulates the performance of a marine generator system for three different loads by minimizing the mean absolute percentage error (MAPE) between the in-cylinder pressure simulated data and the measured data along 40 degrees of the combustion process and by verifying the firing pressure and the engine brake power. The percentage of error between the calculated and the real thermodynamic data does not exceed 3.4% and the MAPE between the calculated and the real in-cylinder pressure diagram along the combustion process does not exceed 5.7% for the different loads. The proposed method can be further used to find the optimal value of different input parameters during the calibration process of different engine numerical models.used and the required details in thermodynamics, combustion, heat transfer, fluid and chemical parts. Figure 2 presents a general overview of the model's structure to simulate the performance of different ICEs.

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“…Several methodologies for analysis and optimization of diesel engines including DoE [19], Support Vector Machine (SVM) [20], fuzzy modeling [21], particle swarm optimization [22], and specialized modeling software such as MAT-LAB [23] have been reported or can be used. In this work, different techniques are applied in the form of a multistage methodology.…”

Section: Introductionmentioning

confidence: 99%

An ANN-GA Framework for Optimal Engine Modeling

Tahboub

Barghash

Arafeh

et al. 2016

Mathematical Problems in Engineering

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Internal combustion engines are a main power source for vehicles. Improving the engine power is important which involved optimizing combustion timing and quantity of fuel. Variable valve timing (VVT) can be used in this respect to increase peak torque and power. In this work Artificial Neural Network (ANN) is used to model the effect of the VVT on the power and genetic algorithm (GA) as an optimization technique to find the optimal power setting. The same proposed technique can be used to improve fuel economy or a balanced combination of both fuel and power. Based on the findings of this work, it was noticed that the VVT setting is more important at high speed. It was also noticed that optimal power can be obtained by changing the VVT settings as a function of speed. Also to reduce computational time in obtaining the optimal VVT setting, an ANN was successfully used to model the optimal setting as a function of speed.

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Comparison of Engine Simulation Software for Development of Control System

Cited by 10 publications

References 16 publications

Variable Valve Timing (VVT) Modelling by Lotus Engine Simulation Software

Variable Valve Timing (VVT) Modelling by Lotus Engine Simulation Software

Data Driven In-Cylinder Pressure Diagram Based Optimization Procedure

An ANN-GA Framework for Optimal Engine Modeling

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