An Innovative Rail Pressure Sensor Signal Processing Algorithm to Determine the Start of Injection and End of Injection of Diesel Engines With Common Rail Injection Systems

Kang, Qinmiao; Li, Yong; Xie, Zhifeng; Liu, Yongquan; Zhou, Ming

doi:10.1109/access.2018.2876495

Cited by 3 publications

(1 citation statement)

References 26 publications

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“…Examples include a study conducted by Cavichi et al [6] on the impact of fuel temperature in the injector body on hydraulic characteristics. Using rail pressure signal, Tomi [7] has investigated the injector diagnosis while Qinmiao Kang [8] has developed a technique to isolate the start and end of fuel injection timing.…”

Section: Introductionmentioning

confidence: 99%

Developing and Validating a Gt-Suite Based Model for a Second Generation Commonrail Solenoid Injector

Nguyen

Pham

2021

JST

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Injection profiles, containing important parameters like injection rate, directly affect the spray structure, fuel-air mixture quality, and as such the physical and chemical processes occurring in the IC engine’s combustion chamber. Therefore, injection profiles are one of the keys to improving power, thermal efficiency and minimizing the emission for IC engines. In this paper, a GT-Suite - based simulation model for a second generation solenoid commonrail injector typically utilized in Hyundai 2.5 TCI-A diesel engines, has been successfully developed and validated. The validation is done by using experimental data are acquired by a Zeuch’s method-based Injection Analyzer (UniPg STS) in University of Perugia, Italy. The calibration data is measured over a wide range of rail pressure and energizing time (ET) corresponding to the engine operating conditions. The results show that the injector model developed here is reliable and suitable for examining the injector’s hydraulic characteristics. The difference in start of injection values obtained through experiment and simulation is only about 15 µs. The total injection volumes obtained through experiment and simulation under ET > 0.8 ms is less than 10 % while the difference is quite high under ET < 0.8 ms and high rail pressure (up to 34.5 %).

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Section: Introductionmentioning

confidence: 99%

Developing and Validating a Gt-Suite Based Model for a Second Generation Commonrail Solenoid Injector

Nguyen

Pham

2021

JST

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Model-Based Fault Detection Method for Coil Burnout in Solenoid Valves Subjected to Dynamic Thermal Loading

Seo

et al. 2020

IEEE Access

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Solenoid valves are widely used to control fluid flow in various mechanical systems. If the valves do not function properly, the mechanical systems can lose their ability to control the fluid flow. This paper describes a fault detection method that can monitor coil burnout under dynamic thermal loading. The method consists of three steps. First, an equivalent current model of the solenoid valves is derived from Kirchhoff's voltage law. Then, a predictive regression model is developed to describe the relationship between the electric current and the dynamic change of operating temperature of the valves. Finally, a health indicator of solenoid coil burnout is devised in conjunction with the derived model. To demonstrate the validity of the proposed fault detection method, a case study is presented with solenoid valves taken from real braking systems of urban railway vehicles. The case study confirms that the proposed method can detect the coil burnout independent of the operating temperature. We anticipate that the proposed method can be widely applicable to diagnose any electromagnetic actuator of engineered systems as well as solenoid valves in various industrial applications.

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Imaging and Vibro-Acoustic Diagnostic Techniques Comparison for a GDI Fuel Injector

Allocca¹,

Siano²,

Montanaro³

et al. 2019

SAE Technical Paper Series

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An Innovative Rail Pressure Sensor Signal Processing Algorithm to Determine the Start of Injection and End of Injection of Diesel Engines With Common Rail Injection Systems

Cited by 3 publications

References 26 publications

Developing and Validating a Gt-Suite Based Model for a Second Generation Commonrail Solenoid Injector

Developing and Validating a Gt-Suite Based Model for a Second Generation Commonrail Solenoid Injector

Model-Based Fault Detection Method for Coil Burnout in Solenoid Valves Subjected to Dynamic Thermal Loading

Imaging and Vibro-Acoustic Diagnostic Techniques Comparison for a GDI Fuel Injector

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