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Автор: Grafiati
Опубліковано: 14 березня 2023

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Статті в журналах з теми "Fuel injection control"

1

Tsai, Wen-Chang. "Optimization of Operating Parameters for Stable and High Operating Performance of a GDI Fuel Injector System." Energies 13, no. 10 (May 12, 2020): 2405. http://dx.doi.org/10.3390/en13102405.

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Анотація:
In this study, a novel injector driving circuit was developed to achieve the regulation of fuel injection quantity and to work with the engine control system in a vehicle. The main purpose of the proposed injector driving circuit is to control the quantity and timing of fuel injection within the gasoline direct injection (GDI) fuel injector system. In this paper, a mathematical state model of a high-pressure (H.P.) fuel injector system is derived and the improved Taguchi method is proposed to define the optimal operating parameter settings of a fuel injector system. The experiments on fuel injection quantity were performed to achieve the requirements of the injector driving circuit. The fuel quantity sprayed from a fuel injector system under these control parameters was analyzed by leading the design of experiments. The S/N and β slopes were analyzed to determine their optimal control settings. The H.P. injector driving circuit developed was designed to drive the fuel injector and spray the injected quantity of fuel into the flask following the optimized control factors. The experimental results demonstrate that the H.P. fuel injecting system exhibits better and more stable operating performance, to assure the accurate injection quantity for the GDI injector, and it was also realized with low cost metal oxide semiconductor field effect transistor (MOSFET) switches.
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2

Tsai, Wen Chang, and Zong Hua Wu. "Use of Taguchi Method to Optimize the Operating Parameters of a High-Pressure Injector Driving Circuit." Applied Mechanics and Materials 130-134 (October 2011): 2795–99. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2795.

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Анотація:
This paper develops a superior injector driving circuit for a 500c.c. motorcycle GDI engine. The POWER MOSFET component is introduced in the design of the three-pulse injector driving circuit. Experiments for the designed electric driving circuit are investigated to verify its feasibility. The experiments of the H.P. injector driving circuit are conducted for the fuel injection quantity of the H.P. injector under 80~100 bar fuel pressure, 1200~2000 μs injection pulse duration and DC 55~65V power supply voltage. PWM control is introduced to the last pulse 3A holding current for fast cut-off response time of the H.P. injector. Next, Taguchi method was used to lead the design of experiments (DOE). The fuel injection quantities were measured in the various control parameters as engine speeds, power supply voltages, injector driving currents, and fuel supply pressures by the designed injector driving circuit. Effect of these control parameters of the high-pressure (H.P.) injector driving circuit on the fuel injection quantity are analyzed in the paper. Taguchi orthogonal array optimizes the operating parameters of the H.P. fuel injecting system. Results show that the three-pulse POWER MOSFET injector driving circuit is capable of operating stably and assure the accurate injection quantity of the H.P. injector.
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3

Kumar, N. Sathish, and P. Govindasamy. "Design and Evaluation of Fuel Injector for Biodiesel Injections Using Sequential Fuel Injection." Journal of Computational and Theoretical Nanoscience 15, no. 2 (February 1, 2018): 690–96. http://dx.doi.org/10.1166/jctn.2018.7145.

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Анотація:
Introducing a fuel injector is a systems for explaining fuel keep on interior combustion engine and also in the automatically engine based vehicles for this procedure need diesel engine is a necessity while using petrol engines fuel injector is an different to the carburettor, mainly this work is used in spray nozzle may be this process of a fuel comes output cars consume. Biodiesel may produce the chemical function called Tran's esterification from the vegetable oil or animal fact oil glycerine should be removed this kind of the procedure may create two chemical reaction named as methyl ester and glycerine. Biodiesel is namely called as diesel fuel it has the pure form (B100) or blended with petroleum diesel. For many kind of the cars are mechanism in internal combustion (IC) the issues expend Sequential Fuel Injector (SFI) is similar called as timed injection it can remain generates. When the subsequent intake control device unlocks individually, nozzle self-sufficient and be the consumption regulator unties.
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4

Tsai, Wen-Chang. "A Hybrid Taguchi-Regression Algorithm for a Fuel Injection Control System." Sensors 22, no. 1 (December 30, 2021): 277. http://dx.doi.org/10.3390/s22010277.

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Анотація:
The fuel injection system is one of the key components of an in-cylinder direct injection engine. Its performance directly affects the economy, power and emission of the engine. Previous research found that the Taguchi method can be used to optimize the fuel injection map and operation parameters of the injection system. The electronic control injector was able to steadily control the operation performance of a high-pressure fuel injection system, but its control was not accurate enough. This paper conducts an experimental analysis for the fuel injection quantity of DI injectors using the Taguchi-Regression approach, and provides a decision-making analysis to improve the design of electronic elements for the driving circuit. In order to develop a more stable and energy-saving driver, a functional experiment was carried out. The hybrid Taguchi-regression algorithm for injection quantity of a direct injection injector was examined to verify the feasibility of the proposed algorithm. This paper also introduces the development of a high-pressure fuel injection system and provides a new theoretical basis for optimizing the performance of an in-cylinder gasoline direct injection engine. Finally, a simulation study for the fuel injection control system was carried out under the environment of MATLAB/Simulink to validate the theoretical concepts.
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5

Manzie, C., M. Palaniswami, and H. Watson. "Gaussian networks for fuel injection control." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 215, no. 10 (October 2001): 1053–68. http://dx.doi.org/10.1243/0954407011528617.

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6

Wang, Tianbo, Hongchen Wang, Lanchun Zhang, Yan Zheng, Li Li, Jing Chen, and Wu Gong. "A Numerical Study on the Transient Injection Characteristics of Gas Fuel Injection Devices for Direct-Injection Engines." Actuators 12, no. 3 (February 25, 2023): 102. http://dx.doi.org/10.3390/act12030102.

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Анотація:
Natural gas has emerged as one of the preferred alternative fuels for vehicles owing to its advantages of abundant reserves, cleaner combustion and lower cost. At present, the gas supply methods for natural-gas engines are mainly port fuel injection (PFI) and direct injection (DI). The transient injection characteristics of a gas fuel injection device, as the terminal executive component of the PFI or DI mode, will directly affect the key performance of a gas fuel engine. Therefore, gas fuel injection devices have been selected as the research object of this paper, with a focus on the transient injection process. To explore the impacts of valve vibration amplitude, period, frequency and velocity on transient injection characteristics, one transient computational fluid dynamics (CFD) model for gas fuel injection devices was established. The findings thereof demonstrated that there is a linear relationship between the instantaneous mass flow rate and instantaneous lift during the vibration process. However, this relationship is somewhat impacted when the valve speed is high enough. A shorter valve vibration period tends to preclude a shorter period of flow-hysteresis fluctuation. The near-field pressure fluctuation at the throat of an injection device, caused by valve vibration, initiates flow fluctuation.
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7

Tutaj, Józef, and Bogdan Fijałkowski. "A New Fuel-Injection Mechatronic Control Method for Direct-Injection Internal Combustion Engines." Acta Mechanica et Automatica 12, no. 4 (December 1, 2018): 276–80. http://dx.doi.org/10.2478/ama-2018-0042.

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Анотація:
Abstract In this paper, a novel fuel-injection mechatronic control method and system for direct injection (DI) internal combustion engines (ICE) is proposed. This method and system is based on the energy saving in a capacitance using DC-DC converter, giving a very fast ON state of the fuel injectors’ electro-magnetic fluidical valves without an application of the initial load current. A fuel-injection controller for the DI ICEs that provides a very short rising time of an electromagnet-winding current in an initial ON state of the fuel-injector’s electromagnetic fluidical valves, which improves a fuel-injection controller reliability and simplify its construction, is presented. Due to a number of advantages of afore -mentioned fuel-injection mechatronic control method and system, it may be utilised for the DI ICEs with fuel injectors dedicated to all types of liquid and/or gas fuels, for example, gasoline, diesel-oil, alkohol, LPG and NPG.
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8

Liu, Zhenming, Nan Liu, and Jingbin Liu. "Study of the Influencing Factors on the Small-Quantity Fuel Injection of Piezoelectric Injector." Micromachines 13, no. 5 (May 23, 2022): 813. http://dx.doi.org/10.3390/mi13050813.

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Анотація:
The piezoelectric injection-system provides a reliable approach for precise small-quantity fuel injection due to its fast, dynamic response. Considering the nonlinearity of a piezoelectric actuator, the complete electro-mechanical-hydraulic model of the piezoelectric injector was established and verified experimentally, which showed that it could accurately predict the fuel injection quantity. The small-quantity fuel injection with different driving voltages, pulse widths, and rail pressures was analyzed. The effects of key structural parameters of the injector on the delivery, control-chamber pressure fluctuation, and small-quantity injection characteristics were studied. The results show that the linearity of the curve of the injection volume with the pulse width was relatively poor, and there was a significant inflection point when the piezoelectric injector worked in the small pulse width region (PW < 0.6 ms). The bypass valve significantly accelerated the establishment of the control-chamber pressure, reduced the pressure fluctuation in the chamber, shortened the closing delay and duration of the needle valve, and reduced the rate of the fuel-quantity change so that it provided a greater control margin for the pulse width over the same fuel volume change interval. Under the condition of a small-quantity fuel injection of 20 mm3, decreasing the inlet orifice diameter and increasing the outlet orifice diameter shortened the minimum control pulse width and fuel injection duration required for the injector injection, which is beneficial for multiple and small-quantity fuel injection. However, these behaviors reduce the control margin for the pulse width, especially in small pulse width regions.
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9

Sim, Hansub, Kangyoon Lee, Namhoon Chung, and Myoungho Sunwoo. "A study on the injection characteristics of a liquid-phase liquefied petroleum gas injector for air-fuel ratio control." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 8 (August 1, 2005): 1037–46. http://dx.doi.org/10.1243/095440705x34621.

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Анотація:
Liquefied petroleum gas (LPG) is widely used as a gaseous fuel in spark ignition engines because of its considerable advantages over gasoline. However, the LPG engine suffers a torque loss because the vapour-phase LPG displaces a larger volume of air than do gasoline droplets. In order to improve engine power as well as fuel consumption and air-fuel ratio control, considerable research has been devoted to improving the LPG injection system. In the liquid-phase LPG injection systems, the injection rate of an injector is affected by the fuel temperature, injection pressure, and driving voltage. When injection conditions change, the air-fuel ratio should be accurately controlled in order to reduce exhaust emissions. In this study, correction factors for the fuel injection rate are developed on the basis of fuel temperature, injection pressure, and injector driving voltage. A compensation method to control the amount of injected fuel is proposed for a liquid-phase LPG injection control system. The experimental results show that the liquid-phase LPG injection system works well over the entire range of engine speeds and load conditions, and the air-fuel ratio can be accurately controlled by using the proposed compensation algorithm.
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10

Khalid, Amir, Azwan Sapit, M. N. Anuar, Him Ramsy, Bukhari Manshoor, Izzuddin Zaman, and Zamani Ngali. "Analysis of Fuel Injection Parameter on Biodiesel and Diesel Spray Characteristics Using Common Rail System." Advanced Materials Research 974 (June 2014): 362–66. http://dx.doi.org/10.4028/www.scientific.net/amr.974.362.

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Анотація:
Precise control of fuel injection is essential in modern diesel engines especially in controlling the precise injection quantity, flexible injection timing, flexible rate of injection with multiple injections and high injection pressures. It was known that the fuel-air mixing is mainly influenced by the fuel injection system and injector nozzle characteristics. Thus, mixture formation during ignition process associated with the exhaust emissions. The purpose of this study is to investigate the influence of spray characteristics on the mixture formation. In this study, common rail injector systems with different model of injector were used to simulate the actual mixture formation inside the engine chamber. The optical visualization system was constructed with a digital video camera in order to investigate the detailed behavior of mixture formation. This method can capture spray penetration length, spray angle, spray evaporation and mixture formation process clearly. The spray characteristic such as the penetration length, spray angle and spray area are increasing when the injection pressure increased. The mixture formation can be improved effectively by increasing the injection pressure.
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Дисертації з теми "Fuel injection control"

1

Duan, Shang You. "Fuel injection control for an IC engine." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335571.

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2

MEICENHEIMER, HEIDI L. "INDEPENDENT STAGE CONTROL OF A CASCADE INJECTOR." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1155655108.

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3

Leonard, Henry J. "Control of airflow and fuel injection parameters in diesel engines." Thesis, University of Bath, 1989. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760591.

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4

Durrant, Andrew J. "Model-based control of air/fuel ratio for spark ignition engines." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287232.

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5

Hines, Anne Michelle. "Characteristics of Active Combustion Control for Liquid-Fuel Systems with Proportional Primary Fuel Modulation." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/32569.

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Анотація:
The first part of this work focuses on control experiments performed on an unstable kerosene-fueled turbulent combustor. Using a phase shift controller and primary fuel modulation stability is successfully gained for a wide band of global equivalence ratios allowing the limitations of the control scheme to be characterized. It is shown that control signal saturation can significantly impact the ability of the control scheme to stabilize the system. Three different regions of controllability are defined based on the degree of saturation. A hysteresis behavior is also found to exist for the controller settings depending on whether stability is being maintained or realized for an unstable system.

The second part of this work focuses on the impact that primary fuel modulation has on the fuel spray. Measurements for a simplex nozzle and an air-assist nozzle are taken under both static and dynamic operating conditions with a Phase Doppler Anemometry system. The dynamic modulation is found to significantly impact the spray properties of both nozzles.
Master of Science

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6

Lagimoniere, Ernest Eugene Jr. "The Design and Construction of a High Bandwidth Proportional Fuel Injection System for Liquid Fuel Active Combustion Control." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/34693.

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This last decade experienced a sudden increase of interest in the control of thermo-acoustic instabilities, in particular through the use of fuel modulation techniques. The primary goal of this research was to design, construct and characterize a high bandwidth proportional fuel injection system, which could be used to study the effect of specific levels of fuel modulation on the combustion process and the reduction of thermo-acoustic instabilities. A fuel injection system, incorporating the use of a closed loop piston and check valve, was designed to modulate the primary fuel supply of an atmospheric liquid-fueled swirl stabilized combustor operating at a mean volumetric fuel flow rate of 0.4 GPH. The ability of the fuel injection system to modulate the fuel was examined by measuring the fuel line pressure and the flow rate produced during operation. The authority of this modulation over the combustion process was investigated by examining the effect of fuel modulation on the combustor pressure and the heat release of the flame. Sinusoidal operation of the fuel injection system demonstrated: a bandwidth greater that 800 Hz, significant open loop authority (averaging 12 dB) with regards to the combustor pressure, significant open loop authority (averaging 33 dB) with regards to the unsteady heat release rate and an approximate 8 dB reduction of the combustor pressure oscillation present at 100 Hz, using a phase shift controller. It is possible to scale the closed loop piston and check valve configuration used to create the fuel injection system discussed in this work to realistic combustor operating conditions for further active combustion control studies.
Master of Science
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7

Lee, Hang-Kyung. "Modelling rotary diesel fuel injection equipment with rate control to reduce noise and emissions." Thesis, University of Southampton, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386594.

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8

Applegate, Brian Charles. "Development of a liquid injection propane system for spark-ignited engines via fuel temperature control." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.umr.edu/thesis/pdf/Applegate_09007dcc803c5c35.pdf.

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Анотація:
Thesis (M.S.)--University of Missouri--Rolla, 2007.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed November 29, 2007) Includes bibliographical references (p. 153-155).
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9

Zhao, Gui Quan. "Design, control and experimental testing of intelligent variable dual-fuel automotive engines." Thesis, University of Macau, 2017. http://umaclib3.umac.mo/record=b3691635.

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10

DeCastro, Jonathan Anthony. "Design and Validation of a High-Bandwidth Fuel Injection System for Control of Combustion Instabilities." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/31839.

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The predictive design of fuel injection hardware used for active combustion control is not well established in the gas turbine industry. The primary reason for this is that the underlying mechanisms governing the flow rate authority downstream of the nozzle are not well understood. A detailed investigation of two liquid fuel flow modulation configurations is performed in this thesis: a piston and a throttle-valve configuration. The two systems were successfully built with piezoelectric actuation to drive the prime movers proportionally up to 800 Hz.

Discussed in this thesis are the important constituents of the fuel injection systemthat affect heat release authority: the method of fuel modulation, uncoupled dynamics of several components, and the compressibility of air trapped in the fuel line. Additionally, a novel technique to model these systems by way of one-dimensional, linear transmission line acoustic models was developed to successfully characterize the principle of operation of the two systems. Through these models, insight was gained on the modes through which modulation authority was dissipated and on methods through which successful amplitude scaling would be possible. At high amplitudes, it was found that the models were able to successfully predict the actual performance reasonably well for the piston device.

A proportional phase shifting controller was used to test the authority on a 40-kW rig with natural longitudinal modes. Results show that, under limited operating conditions, the sound pressure level at the limit cycle frequency was reduced by about 26 dB and the broadband energy was reduced by 23 dB. Attenuation of the fuel pulse at several combustor settings was due to fluctuating vorticity and temporal droplet distribution effects.
Master of Science

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Книги з теми "Fuel injection control"

1

Bowler, D. Diesel fuel injection and control. Milton Keynes: Delta Press, 1987.

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2

Engineers, Society of Automotive, ed. Recent developments in electronic engine control & fuel injection management. Warrendale, PA: Society of Automotive Engineers, 1987.

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3

Engineers, Society of Automotive, and International Fall Fuels & Lubricants Meeting & Exposition (1998 : San Francisco, Calif.), eds. Direct injection: Engines, emissions, and aftertreatment. Warrendale, PA: Society of Automotive Engineers, 1998.

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4

Engine management: Optimising carburettors, fuel injection and ignition systems. Sparkford, Nr Yeovil, Somerset, UK: Haynes Pub., 2001.

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5

Troubleshooting General Motors fuel injection systems and computerized engine controls. Albany, NY: Delmar Publishers, 1991.

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6

Lynch, Jeffrey. Troubleshooting General Motors fuel injection systems and computerized engine control: Instructor's guide. Albany, NY: Delmar Publishers, 1991.

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7

GmbH, Robert Bosch. L-Jetronic: Electronic gasoline fuel-injection system with Lambda closed-loop control. 2nd ed. Stuttgart: Bosch, 1985.

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8

R, Saunders William, Vandsburger Uri, and NASA Glenn Research Center, eds. A design methodology for rapid implementation of active control systems across lean direct injection combustor platforms. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2003.

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9

Probst, Charles O. Ford fuel injection & electronic engine control: All Ford/Lincoln-Mercury cars and light trucks, 1988 to current. Cambridge, Mass: R. Bentley, 1993.

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10

Center, McGraw-Hill Continuing Education, ed. Automotive servicing, FR125-26-27. Washington, DC: McGraw-Hill Continuing Education Center, 1989.

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Частини книг з теми "Fuel injection control"

1

Projahn, Ulrich, Helmut Randoll, Erich Biermann, Jörg Brückner, Karsten Funk, Thomas Küttner, Walter Lehle, and Joachim Zuern. "Fuel Injection System Control Systems." In Handbook of Diesel Engines, 175–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-89083-6_6.

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2

Drautz, Frank, Kengo Kumano, Kenichi Machida, and Henning Sauerland. "Development of Fuel Injection Control Technology in Gasoline Direct Injection Engine." In Proceedings, 507–37. Wiesbaden: Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-07650-4_24.

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3

White, Andrew P., Guoming Zhu, and Jongeun Choi. "Gain-Scheduling Control of Port-Fuel-Injection Processes." In SpringerBriefs in Electrical and Computer Engineering, 39–78. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5040-4_4.

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4

Sachs, Robert, and Frank Stanzel. "Interference Microscopy for Clean Air – How Optical Metrology Is Improving Quality Control of Fuel Injection Systems." In Fringe 2013, 535–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36359-7_96.

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5

Lu, Xiaoquan, Hanmiao Cheng, Xiaodong Cao, Shihai Yang, and Fei Peng. "Full Speed Position Estimation Based on Disturbance Observer and HF Signal Injection for IPMSM Sensorless Control." In The Proceedings of the 9th Frontier Academic Forum of Electrical Engineering, 391–406. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6606-0_37.

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6

Bai, Yun, Zhaoyang Chen, Wei Dou, Xiangdong Kong, Jing Yao, Chao Ai, Fugang Zhai, Jin Zhang, and Liu Yang. "Pressure Fluctuation Characteristics of High-Pressure Common Rail Fuel Injection System." In Diesel Engines [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102624.

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Анотація:
In high-pressure common rail fuel injection system, fuel pressure wave propagates back and forth in the system during fuel injection, and the cycle fuel injection volume is affected by the fluctuation of fuel injection pressure. Therefore, to reduce the influence of pressure fluctuation on the cycle fuel injection volume fluctuation, it is of great theoretical significance to analyze the mechanism of pressure fluctuation and its influence law. In this chapter, the dynamic pressure fluctuation characteristics of the high-pressure common rail fuel injection system are analyzed based on the injector inlet pressure, and experimental research and theoretical analysis are carried out for the time domain and frequency domain characteristics of injector inlet pressure fluctuation, aiming at revealing the pressure fluctuation mechanism and its influence law, and providing theoretical support for improving the control accuracy of multiple injection cycle fuel injection volume.
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7

N. Nair, Jayashri. "Mitigation of Emissions through Injection Strategies for C I Engine." In Internal Combustion Engine Technology and Applications of Biodiesel Fuel. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96483.

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Анотація:
Fuel conversion efficiency is high with diesel engines compared to petrol engines. However high emissions from diesel is a matter of concern and its mitigation paves way for scope of research. Exhaust gas recirculation is one of the method widely accepted to curb NOx emissions. Recently, split or multiple-injection strategy has been explored by researchers to precisely control the fuel injected per cycle and also to mitigate emissions. Present work reflects technical review of effect of injection strategies on performance, emissions and combustion on C.I. engine with diesel and biodiesel as fuel. Injection strategies like duration of injection, number of injections, the dwell period between two injections, quantity of injection, and multiple injections are analyzed for their influence on engine output and brake specific fuel consumption. Also their effect on emissions especially soot and NOx emission are reviewed. First the effect of injection strategies with diesel fuel is discussed followed by biodiesel.
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8

de Freitas, Leandro Valim, Fernando Augusto Silva Marins, Ana Paula Barbosa Rodrigues de Freitas, Messias Borges, and Carla Cristina Almeida Loures. "Multivariate Modeling in Quality Control of Viscosity in Fuel: An Application in Oil Industry." In Fuel Injection in Automotive Engineering. InTech, 2012. http://dx.doi.org/10.5772/39040.

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V., Karthickeyan, Thiyagarajan S., and Ashok B. "Investigation of Alternative Fuels as Low Reactivity Fuel in Port-Charged Compression Ignition (PCCI) Engine." In Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines, 211–33. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2539-5.ch011.

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In this chapter, four alternative fuels were obtained from non-edible oils, namely Moringa oleifera seed oil, pumpkin seed oil, waste cooking palm oil, and lemon oil. The existing diesel engine intake manifold was converted into port charged compression ignition engine by adopting necessary supporting components and control mechanics. In this study, two modes of injection were carried out, namely main injection with conventional fuel and pilot injection with the prepared alternative fuel samples. Due to characteristic fuel properties, lemon oil biofuel in pilot fuel injection experienced high thermal efficiency and low fuel consumption. At all loads, lemon oil biofuel in pilot fuel injection exhibited lower emission than other alternative fuel samples. Lemon oil biofuel in pilot fuel injection and conventional fuel in main injection showed superior combustion characteristics. On the whole, this work recommends the application of the alternative fuel admission in pilot injection mode by adopting PCCI technique to achieve improved engine characteristics.
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Yanagita, Y., T. Eisaka, and R. Tagawa. "A ROBUST CONTROL OF FUEL INJECTION SERVO SYSTEM." In Design Methods of Control Systems, 185–90. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-08-041902-2.50036-2.

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Тези доповідей конференцій з теми "Fuel injection control"

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Weseloh, William. "EEC IV Full Authority Diesel Fuel Injection Control." In West Coast International Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/861098.

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Pan, Chien-Ping, Min-Chung Li, and Syed F. Hussain. "Fuel Pressure Control for Gaseous Fuel Injection Systems." In International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/981397.

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Shiraishi, Hitoshi, Susan L. Ipri, and Dan Cho. "CMAC Neural Network for Fuel-Injection Control." In 1993 American Control Conference. IEEE, 1993. http://dx.doi.org/10.23919/acc.1993.4793182.

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Sawut, Umerujan, Shinya Yamaguchi, Gensaku Konagai, and Teruo Tsuji. "Liquid LPG Injection System with Variable Fuel Injection Pressure Control." In SAE 2010 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-01-0159.

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Li Guoyong and Yan Fang. "NN-based fuel injection control system for hybrid fuel engine." In 2012 IEEE Symposium on Electrical & Electronics Engineering (EEESYM). IEEE, 2012. http://dx.doi.org/10.1109/eeesym.2012.6258658.

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Juan, Fu, and Ma Xian-Min. "Research on fuel injection intelligent control system." In 2009 4th IEEE Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2009. http://dx.doi.org/10.1109/iciea.2009.5138716.

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Richards, G. A., M. J. Yip, E. Robey, L. Cowell, and D. Rawlins. "Combustion Oscillation Control by Cyclic Fuel Injection." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-224.

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A number of recent articles have demonstrated the use of active control to mitigate the effects of combustion instability in afterburner and dump combustor applications. In these applications, cyclic injection of small quantities of control fuel has been proposed to counteract the periodic heat release that contributes to undesired pressure oscillations. This same technique may also be useful to mitigate oscillations in gas turbine combustors, especially in test rig combustors characterized by acoustic modes that do not exist in the final engine configuration. To address this issue, the present paper reports on active control of a subscale, atmospheric pressure nozzle/combustor arrangement. The fuel is natural gas. Cyclic injection of 14% control fuel in a premix fuel nozzle is shown to reduce oscillating pressure amplitude by a factor of 0.30 (i.e., −10 dB) at 300 Hz. Measurement of the oscillating heat release is also reported.
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Balfour, Graham, Pierre Dupraz, Mark Ramsbottom, and Peter Scotson. "Diesel Fuel Injection Control for Optimum Driveability." In SAE 2000 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-0265.

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Juneja, Harmit, Youngchul Ra, and Rolf D. Reitz. "Optimization of Injection Rate Shape Using Active Control of Fuel Injection." In SAE 2004 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2004. http://dx.doi.org/10.4271/2004-01-0530.

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Miyajima, Ayumu, Yoshio Okamoto, Yuzo Kadomukai, Shigenori Togashi, and Mineo Kashiwaya. "A Study on Fuel Spray Pattern Control of Fuel Injector of Gasoline Direct Injection Engines." In SAE 2000 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-1045.

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Звіти організацій з теми "Fuel injection control"

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Araki, Kazumi, Hiroshige Akiyama, Katsuhiro Ouchi, Shunji Akamatsu, and Yoshikatsu Nakano. Development of Electronic Fuel-Injection Control Unit of Small Motorcycle. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0012.

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Murayama, Tetsuya, Hidenori Kosaka, Tetsuya Aizawa, and Yukio Matsui. Control of Diesel Combustion Using Electronically Controlled Fuel Injection System. Warrendale, PA: SAE International, September 2005. http://dx.doi.org/10.4271/2005-08-0636.

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Klingbeil, Adam. Ducted Fuel Injection and Cooled Spray Technologies for Particulate Control in Heavy-Duty Diesel Engines . Office of Scientific and Technical Information (OSTI), November 2021. http://dx.doi.org/10.2172/1829263.

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Kakuya, Hiromu, Shiro Yamaoka, Atsushi Shimada, Kunihiko Suzuki, and Shinya Sato. Development of a Gasoline HCCI Engine Control System (Second Report)~HCCI Combustion Stabilization in a Multi-Cylinder Gasoline Engine by Individual Cylinder Fuel Injection Control. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0216.

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DeMartini, James C., Abraham Yaniv, Jonathan O. Carlson, Arnona Gazit, Leonard E. Pearson, Kalman Perk, J. K. Young, Noam Safran, and A. Friedman. Evaluation of Naked Proviral DNA as a Vaccine for Ovine Lentivirus Infection. United States Department of Agriculture, September 1994. http://dx.doi.org/10.32747/1994.7570553.bard.

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Ovine lentivirus (OvLV) infection is widespread in sheep of the United States and Israel and is responsible for substantial economic losses. The primary goal of this project was to evaluate naked proviral DNA as a vaccine to induce protective immunity in sheep in endemic areas. Contrary to expectations, inoculation of sheep with proviral DNA derived from the full length OvLV molecular clone pkv72 did not result in detectable OvLV infection, but infectious virus was recovered from transfected ovine cells. Kv72 virus produced by these cells infected sheep and induced antibody responses, and was used as a viral challenge in subsequent experiments. To improve in vivo transfection efficiency and compare the viral LTR with other romoters, expression of reporter genes was studied in sheep transfected in vivo by injection of cationic liposome-DNA complexes; one formulation produced gene expression in a sheep for 4 months following a single intravenous injection. Since the pol-deleted OvLV construct was not stable in vivo, twelve lambs were injected with plasmids containing the Kv72 gag region (pCMVgag) or env region (pCMVenv), or saline. Prior to challenge, no detectable anti-OvLV immune responses were detected. Following homologous challenge with OvLV. Although the naked DNA approach to vaccination holds promise for control of ovine lentivirus-induced disease, further work needs to be done to develop more effective methods of transfecting sheep with DNA.
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