Academic literature on the topic 'Engine misfires'

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Journal articles on the topic "Engine misfires"

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Gao, Jian, Anren Yao, Yeyi Zhang, et al. "Investigation into the Relationship between Super-Knock and Misfires in an SI GDI Engine." Energies 14, no. 8 (2021): 2099. http://dx.doi.org/10.3390/en14082099.

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The super-knock poses new challenges for further increasing the power density of spark ignition (SI) engines. The critical factors and mechanism connecting regarding the occurrence of super-knock are still unclear. Misfire is a common phenomenon in SI engines that the mixture in cylinder is not ignited normally, which is often caused by spark plug failure. However, the effect of misfire on engine combustion has not been paid enough attention to, particularly regarding connection to super-knock. The paper presents the results of experimental investigation into the relationship between super-kno
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Song, Qixin, Wenzhi Gao, Pan Zhang, Jiankang Liu, and Ziqing Wei. "Detection of engine misfire using characteristic harmonics of angular acceleration." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 14 (2019): 3816–23. http://dx.doi.org/10.1177/0954407019834104.

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A new torsional vibration–based method for the detection of engine misfires was proposed based on the discrete Fourier transform of angular acceleration of the crankshaft. By analysis of the sensitivity of the discrete Fourier transform to fluctuations in speed and load of the engine, the characteristic harmonics and characteristic discrete Fourier transforms of a cylinder were defined. Then cylinder misfires under any operating conditions were diagnosed by checking the characteristic discrete Fourier transforms of the cylinder at its characteristic harmonics. An experiment on a four-stroke, s
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Connolly, Francis T., and Giorgio Rizzoni. "Real Time Estimation of Engine Torque for the Detection of Engine Misfires." Journal of Dynamic Systems, Measurement, and Control 116, no. 4 (1994): 675–86. http://dx.doi.org/10.1115/1.2899267.

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The need for improvements in the on-line estimation of engine performance variables is greater nowadays as a result of more stringent emission control legislation. There is also a concurrent requirement for improved on-board diagnostics to detect different types of malfunctions. For example, recent California Air Resources Board (CARB) regulations mandate continuous monitoring of misfires, a problem which, short of an expensive measurement of combustion pressure in each cylinder, is most directly approached by estimating individual cylinder torque. This paper describes the theory and experimen
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Fawzi, Mas, Bukhari Manshoor, Yoshiyuki Kidoguchi, and Yuzuru Nada. "Distribution of Two-Stage Direct Injection CNG-Air Mixture near Lean Limit Using CFD." Applied Mechanics and Materials 465-466 (December 2013): 448–52. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.448.

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Previous work shows that gas-jet ignition with two-stage injection technique is effective to extend lean combustible ranges of CNG engines. In this report, the robustness of the gas-jet ignition with two-stage injection method was investigated purposely to improve the performance of a lean burn direct injection CNG engine. The experiment was conducted using an engine at speed of 900 rpm, fuel-injection-pressure of 3MPa, equivalence ratio at 0.8, and ignition timing at top dead center. The effect of first injection timing on the test engine performance and exhaust emission was analyzed. First i
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Zhang, Pan, Wenzhi Gao, Yong Li, and Yanjun Wang. "Misfire detection of diesel engine based on convolutional neural networks." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 8 (2021): 2148–65. http://dx.doi.org/10.1177/0954407020987077.

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With the ever-stringent vehicles exhaust emission standard and higher requirements on on-board diagnostic technology, the importance of misfire detection in vehicle emission control is emerging. The performance of a traditional misfire detection algorithm predominantly depends on the features and classifier selected. Fixed and handcrafted features require either a reliable dynamic model of an engine or a large number of experiment data to define the threshold, and then, form a map. Since convolutional neural networks (CNNs) have an inherent adaptive design and integrate the feature extraction
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Adaileh, Wail M. "Engine Fault Diagnosis Using Acoustic Signals." Applied Mechanics and Materials 295-298 (February 2013): 2013–20. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.2013.

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This work presents an experimental study to detecting the faults of engine using its noise. The noises produced by the engine and its accessory systems are numerous: whines, squeals, knock, rattles, and many other sounds. Faults diagnosis for Mitsubishis car engine model 2006 has been conducted and this diagnosis includes normal operating conditions for the engine (without malfunction) and for malfunctions situations at variable engine speed 1000,2000, 3000 and 4000 rpm respectively The engine data is acquired from a four cylinder one- petrol engine test bed under consideration at different op
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Feldman, Robert Alan. "Sputter, Cough, Choke: Japan Misfires as the Engine of Asia." Brookings Review 16, no. 3 (1998): 18. http://dx.doi.org/10.2307/20080792.

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Ilkivová, Martina Rohál'ová, Boris Rohal’ Ilkiv, and Tomáš Neuschl. "Comparison of a linear and nonlinear approach to engine misfires detection." Control Engineering Practice 10, no. 10 (2002): 1141–46. http://dx.doi.org/10.1016/s0967-0661(02)00080-1.

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Chen, Hao, David L. Reuss, and Volker Sick. "Analysis of misfires in a direct injection engine using proper orthogonal decomposition." Experiments in Fluids 51, no. 4 (2011): 1139–51. http://dx.doi.org/10.1007/s00348-011-1133-z.

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Peterson, Brian, David L. Reuss, and Volker Sick. "High-speed imaging analysis of misfires in a spray-guided direct injection engine." Proceedings of the Combustion Institute 33, no. 2 (2011): 3089–96. http://dx.doi.org/10.1016/j.proci.2010.07.079.

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Dissertations / Theses on the topic "Engine misfires"

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Ball, Jeffrey K. "Cycle-by-cycle variation in spark ignition combustion engines." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390474.

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Hamberg, Stefan. "Concept investigation for misfire detection in spark-ignited gas engines." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-263929.

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As a supplier of sustainable transport solutions, Scania manufactures gas engines. Fueled with biogas, they offer a significant decrease in carbon dioxide emissions compared to standard diesel. The gas engines are fitted with a three-way catalytic converter, which converts hydrocarbons, carbon monoxide and nitrogen oxides from the combustion process to substances with less adverse effects. A misfire is an undesired lack of combustion. They are typically caused by faults in the ignition system, fuel system or by an unsuitable air/fuel ratio. If a misfire occurs, fuel may enter the catalytic con
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Nybäck, Björn. "Exhaust Pressure Based Misfire Detection." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235541.

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The parts in this report that are classified have been replaced by the symbol □.Even axes in some figures have been erased by the same reason.In emission legislation from California Air Resources Board, CARB, futuredemands on misfire detection in heavy duty diesel vehicles will cover anextended operating area than previous demands. Industry standard has so farbeen using crank shaft speed based methods. It is not obvious that speedbased methods will manage to detect misfire in the extended area.This report shows an alternative approach for misfire detection, based uponmeasured pressure in the e
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Jung, Daniel. "Diagnosability performance analysis of models and fault detectors." Doctoral thesis, Linköpings universitet, Fordonssystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-117058.

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Model-based diagnosis compares observations from a system with predictions using a mathematical model to detect and isolate faulty components. Analyzing which faults that can be detected and isolated given the model gives useful information when designing a diagnosis system. This information can be used, for example, to determine which residual generators can be generated or to select a sufficient set of sensors that can be used to detect and isolate the faults. With more information about the system taken into consideration during such an analysis, more accurate estimations can be computed of
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Gao, Bo-Yu, and 高博愈. "Misfire Diagnosis Strategy for 2 Cylinders V-Engine." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/qngc8k.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>102<br>Due to the emission regulations become more severe around the world, the automobiles must be equipped with on-board diagnosis (OBD) system which could detect the malfunctions or deteriorations before exceeding the emission standards and then inform the driver about maintenance as soon as possible. According to the characteristic of crankshaft dynamic, this thesis is developed misfire detection strategy for the V2 engine of range-extended electric vehicle (REEV). If engine occurred misfire, the crankshaft dynamic would lead to serious variation during power st
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Sung, Yi-Che, and 宋易哲. "The Diagnosis of Engine Misfire by Analysing the Instantaneous Engine Angular Speed." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/02402455585634237218.

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碩士<br>國防大學理工學院<br>車輛及運輸工程碩士班<br>103<br>The main purpose of this study is to discuss the accuracy of the instantaneous angular speed (IAS) analysis methods using on the engine misfire detection. The IAS analysis is a common method to detect the engine malfunction of misfiring. The signal of IAS can be measured by the rotary encoder installed on the crankshaft or the camshaft. By analyzing the signal of the IAS, the principles of pattern recognition and threshold value setting were selected to identify the faulty cylinder. However, the characteristic of the “overlapping of the power stroke” in m
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Yameogo, Amadou, and 亞彌. "Detecting the misfire of motorcycle engine with oxygen sensors." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/04109344577819740029.

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碩士<br>國立中興大學<br>機械工程學系所<br>101<br>The use of the three-way catalyst in motor vehicles has entailed a radical increase in the importance of misfire detection. In the case of a misfire, unburned fuel accesses the exhaust system, where its combustion in catalyst causes a dangerous increase of temperature, which may result in damage to the catalyst due to its thermal overload. Moreover, it may also lead to an increased emission of toxic substances. Therefore, misfire in an internal combustion engine must be detected, as specified in the On-Board Diagnostics II (OBDII) regulations beginning from 19
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Chang, Jonathan, and 張崇盛. "A Study of Misfire Diagnostic System in Petrol Engines." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/72425988958765641894.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>91<br>Engine management system is one of the most important systems in powertrain technology. How to get more information about the engine running characteristics from engine management system precisely becomes a critical subject especially for figuring out the events of misfire in SI engine. This paper studies the causes of misfire and also develops the new solutions for the misfiring diagnosis. The main purpose for developing this paper is far different from the researches about misfire detection methods. The latter focuses on the methods to search ou
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Wu, Chang Tai, and 巫昶泰. "Simulation of catalyst deterioration and the effect of misfire on the emission and engine performance of motorcycle engine." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/30656869372672993312.

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碩士<br>國立中興大學<br>機械工程學系所<br>101<br>A novel approach to simulate the catalyst deterioration and the effect of misfire on emission and engine performance are discussed in this paper. In the development of the OBD system of a vehicle, an aged catalyst is required to test the function of the system. This catalyst is partially deteriorated and the emission after this catalyst will exceed the regulation value with limited bound according to the testing protocol. This aged catalyst is very valuable, and difficult to prepare. A bypass in the exhaust pipe was used to simulate the deterioration of cataly
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Book chapters on the topic "Engine misfires"

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Sen, Asok K., M. Akif Ceviz, and Erdogan Guner. "A Statistical Analysis of Lean Misfires in a Gasoline Engine and the Effect of Hydrogen Addition." In Progress in Exergy, Energy, and the Environment. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04681-5_100.

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Stotsky, Alexander A. "Statistical Engine Misfire Detection." In Automotive Engines. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00164-2_7.

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Siegel, Joshua, Sumeet Kumar, Isaac Ehrenberg, and Sanjay Sarma. "Engine Misfire Detection with Pervasive Mobile Audio." In Machine Learning and Knowledge Discovery in Databases. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46131-1_26.

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Lowe, D. P., Weiliang Wu, Andy C. C. Tan, and Richard J. Brown. "Diesel Engine Problems, Acoustic Emission Signals and Simulated Misfire Faults." In Engineering Asset Management and Infrastructure Sustainability. Springer London, 2012. http://dx.doi.org/10.1007/978-0-85729-493-7_46.

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Bhadane, Ganesh, Akshay A. Jadhav, Vijay S. Bhong, Sujit A. Inamdar, and Dhanaji P. Narsale. "Misfire Detection of Automotive Engines with Convolutional Neural Network." In Techno-Societal 2018. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16848-3_12.

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Qin, Long, Chunjiao Zhang, Yongyi Huang, et al. "Strategy Research on Key Technologies of Misfire Detection on Gasoline Engine." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8506-2_35.

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He, Yu-hai, Jian-guo Yang, Cheng’en Li, and Fu-song Duan. "Experimental Research on Misfire Diagnosis Using the Instantaneous Angular Speed Signal for Diesel Engine." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09507-3_55.

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Friis-Hansen, A., and T. L. Fog. "Monitoring Exhaust Valve Leaks and Misfire in Marine Diesel Engines." In Condition Monitoring and Diagnostic Engineering Management. Elsevier, 2001. http://dx.doi.org/10.1016/b978-008044036-1/50076-7.

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QIAO, XINYONG, WEI KANG, and JIANMIN LIU. "THE METHOD FOR DIAGNOSING THE ENGINE MISFIRE FAULT BASED ON WAVELET ANALYSIS." In Wavelet Analysis and Active Media Technology. World Scientific Publishing Company, 2005. http://dx.doi.org/10.1142/9789812701695_0238.

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Viswanatha, H. C., R. M. Shanmugam, N. M. Kankariya, and L. Anandaraman. "Effect of ignition induced misfire on emission and catalyst temperature – a comparative study in a 1.2 L MPI engine with multiple fuels." In Internal Combustion Engines: Improving Performance, Fuel Economy and Emission. Elsevier, 2011. http://dx.doi.org/10.1533/9780857095060.6.261.

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Conference papers on the topic "Engine misfires"

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Moro, Davide, Stefano Pantaleoni, and Gabriele Serra. "Development of a Misfire Detection’s Technique Based on an Engine’s Torsional Model." In ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ices2006-1427.

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The recent OBD requirements enforce the misfire’s diagnosis and the isolation of the cylinder where the missing combustion took place. Most of the common-used techniques developed are based on the engine’s angular speed, that is derived by the signal usually measured with an inductive or Hall-effect sensor already used for the engine’s control. The presence of single or multiple misfires (several misfires within the same engine’s cycle) induces torsional vibration in the powertrain, requiring specific filtering of the diagnostic signal to avoid false alarms. This paper presents some preliminar
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Cavina, Nicolo`. "Multiple Misfire: Detection and Cylinder Isolation Based on Engine Speed Measurement." In ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0676.

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The diagnosis of misfire events (or missing combustions) is enforced by On-Board Diagnostics regulations (such as CARB OBD II or European OBD) over the whole engine operating range, for all vehicles equipped with spark ignition engines. Such regulations define both the minimum misfire frequency that is to be detected (related to catalyst damage and/or increased hydrocarbons emissions), and the various misfire patterns that the diagnostic algorithm should be able to detect. In particular, single (no more than one missing combustion per engine cycle) and multiple (more than one misfiring cylinde
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Maldonado, Bryan P., and Anna G. Stefanopoulou. "Non-Equiprobable Statistical Analysis of Misfires and Partial Burns for Cycle-to-Cycle Control of Combustion Variability." In ASME 2018 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icef2018-9540.

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Cycle-to-cycle combustion variability (CV) in spark ignition internal combustion engines is amplified at high levels of exhaust gas recirculation (EGR) by sporadic partial burn and misfire events. A non-equiprobable cycle classification method, based on the magnitude of the indicated mean effective pressure (IMEP), was developed to discern and study the deterministic and stochastic components of cyclic CV. The time series analysis of experimental combustion cycles suggested that the occurrence of high energy release cycles right after misfires is the only deterministic component between consec
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Ribbens, William B., and Giorgio Rizzoni. "Onboard Diagnosis of Engine Misfires." In Passenger Car Conference & Exposition. SAE International, 1990. http://dx.doi.org/10.4271/901768.

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Maldonado, Bryan P., and Anna G. Stefanopoulou. "Cycle-to-Cycle Feedback for Combustion Control of Spark Advance at the Misfire Limit." In ASME 2017 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icef2017-3679.

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At a given speed and load, the spark advance (SA) is tuned to reach the maximum break torque (MBT) timing to maximize efficiency. The use of exhaust gas recirculation (EGR) can further improve fuel economy at the same speed and load. As EGR increases, MBT moves towards a more advanced timing that can be limited by the high variability in the combustion process, reflected in unacceptable torque fluctuations. This variability is rapidly increased by the random occurrence of partial burns and/or misfires. In order to operate close to the misfire limit, a stochastic misfire controller has been des
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Boudaghi Kh. N., M., M. Shahbakhti, and S. A. Jazayeri. "A New Physics-Based Misfire Detection Technique for a SI Engine." In ASME 2013 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icef2013-19096.

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Control and detection of misfire is an essential part of on-board diagnosis of modern SI engines. This study proposes a novel model-based technique for misfire detection of a multi-cylinder SI engine. The new technique uses a dynamic engine model to determine mean output power, which is then used to calculate a new parameter for misfire detection. The new parameter directly relates to combustion period and is sensitive to the engine speed fluctuations caused by misfire. The new technique only requires measured engine speed data and it is computationally viable for use in a typical ECU. The new
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Corti, Enrico. "Missing Combustion Diagnosis: Distinguishing Between Misfire and Misfuel." In ASME 2003 Internal Combustion Engine and Rail Transportation Divisions Fall Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/icef2003-0736.

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On-Board Diagnostics (OBD) regulations impose missing combustions detection within a wide portion of the engine operating range. Missing combustions can be caused either by ignition (misfire) or injection (misfuel) system failures. Missing combustions can damage the catalyst and cause abrupt pollutants increases (especially HC), but misfuels are not as detrimental as misfires, both from the emissions and the after treatment system life point of view. It would be important for the Electronic Control Unit (ECU) to be informed not only about the fault event, but also about its type, for the purpo
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Gardiner, David P. "Misfire Detection for Spark Ignition Engines Based Upon Cycle-by-Cycle Exhaust Temperature Sensing." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35153.

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Misfiring is a serious issue for large spark-ignited industrial natural gas engines because it increases fuel consumption and emissions and can ultimately lead to engine damage. Continuous misfiring of an engine cylinder can often be diagnosed based upon vibration measurements or conventional exhaust temperature measurements. The aim of the research described in this paper was to develop a means of detecting not only frequent misfiring of a cylinder, but also isolated, individual misfires. This would make it possible to detect problems early in the progression from sporadic misfire events to t
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Lian, H., J. B. Martz, B. P. Maldonado, et al. "Prediction of Flame Burning Velocity at Early Flame Development Time With High Exhaust Gas Recirculation (EGR) and Spark Advance." In ASME 2016 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icef2016-9476.

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Diluting Spark-Ignited (SI) stoichiometric combustion engines with excess residual gas improves thermal efficiency, and allows spark to be advanced towards Maximum Brake Torque (MBT) timing. However, flame propagation rates decrease and misfires can occur at high Exhaust Gas Recirculation (EGR) conditions and advanced spark, limiting the maximum level of charge dilution and its benefits. The misfire limits are often determined for a specific engine from extensive experiments covering a large range of speed, torque and actuator settings. To extend the benefits of dilute combustion while at the
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Gardiner, David P., William D. Allan, Marc LaViolette, and Michael F. Bardon. "Cycle-by-Cycle Exhaust Temperature Monitoring for Detection of Misfiring and Combustion Instability in Reciprocating Engines." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1740.

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This paper describes a means of achieving cycle-by-cycle combustion monitoring of reciprocating engines without the use of cylinder pressure sensors. This approach is intended primarily for engines that are not equipped with indicator passages (that would facilitate the installation of cylinder pressure sensors) but are (or can be) equipped with fittings for individual cylinder exhaust thermocouples. The monitoring system uses rugged exhaust temperature probes and advanced signal processing and analysis to detect cycle-by-cycle variations in exhaust temperatures and correlates these with conve
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Reports on the topic "Engine misfires"

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Amadou, Yameogo, Chang-Tai Wu, Yu-Cheng Jiang, and Jau-Huai Lu. Detecting the Misfire of Motorcycle Engine with Wide Band Oxygen Sensor. SAE International, 2013. http://dx.doi.org/10.4271/2013-32-9065.

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