Modeling and Control Strategy Research on Diesel Engine HighPressure Common Rail System
To achieve precise control of rail pressure and enhance the performance of a diesel engine, a feedforward + sliding mode active disturbance rejection control (F-SMADRC) algorithm is proposed. Focusing on a six-cylinder high-pressure common rail diesel engine, the mathematical models of its fuel mete...
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Published in | 2024 43rd Chinese Control Conference (CCC) pp. 260 - 267 |
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Main Authors | , , , , , |
Format | Conference Proceeding |
Language | English |
Published |
Technical Committee on Control Theory, Chinese Association of Automation
28.07.2024
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Subjects | |
Online Access | Get full text |
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Abstract | To achieve precise control of rail pressure and enhance the performance of a diesel engine, a feedforward + sliding mode active disturbance rejection control (F-SMADRC) algorithm is proposed. Focusing on a six-cylinder high-pressure common rail diesel engine, the mathematical models of its fuel metering unit, high-pressure fuel pump, common rail pipe, and fuel injector are derived. An experimental design is implemented to identify the parameters and validate the accuracy of the controlled object model. Finally, the proposed control algorithm is validated on the Simulink simulation platform, including testing its control effectiveness under both steady-state and transient conditions. A comparative evaluation is conducted against traditional PID and ADRC algorithms, considering performance metrics such as overshoot, response time, and absolute error. Additionally, the adaptive and anti-interference capabilities of the algorithm are explored under conditions of injector nozzle blockage, sudden changes in engine speed and fuel injection pulse width. Simulation results demonstrate that the proposed control algorithm exhibits minimal fluctuations in steady-state conditions, low overshoot and fast response time in transient conditions, effectively regulating rail pressure, and possessing robustness and adaptive capabilities. |
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AbstractList | To achieve precise control of rail pressure and enhance the performance of a diesel engine, a feedforward + sliding mode active disturbance rejection control (F-SMADRC) algorithm is proposed. Focusing on a six-cylinder high-pressure common rail diesel engine, the mathematical models of its fuel metering unit, high-pressure fuel pump, common rail pipe, and fuel injector are derived. An experimental design is implemented to identify the parameters and validate the accuracy of the controlled object model. Finally, the proposed control algorithm is validated on the Simulink simulation platform, including testing its control effectiveness under both steady-state and transient conditions. A comparative evaluation is conducted against traditional PID and ADRC algorithms, considering performance metrics such as overshoot, response time, and absolute error. Additionally, the adaptive and anti-interference capabilities of the algorithm are explored under conditions of injector nozzle blockage, sudden changes in engine speed and fuel injection pulse width. Simulation results demonstrate that the proposed control algorithm exhibits minimal fluctuations in steady-state conditions, low overshoot and fast response time in transient conditions, effectively regulating rail pressure, and possessing robustness and adaptive capabilities. |
Author | Chen, Daxin Chen, Tao Wang, Shuang Liu, Zhixi Sun, Chaoyang Zhou, Peng |
Author_xml | – sequence: 1 givenname: Zhixi surname: Liu fullname: Liu, Zhixi email: liuzhixi@tju.edu.cn organization: Tianjin University,State Key Laboratory of Engines,Tianjin,300354 – sequence: 2 givenname: Tao surname: Chen fullname: Chen, Tao organization: Tianjin University,State Key Laboratory of Engines,Tianjin,300354 – sequence: 3 givenname: Peng surname: Zhou fullname: Zhou, Peng organization: FAW Jiefang Automotive Co Ltd,Changchun,130011 – sequence: 4 givenname: Daxin surname: Chen fullname: Chen, Daxin organization: Tianjin University,State Key Laboratory of Engines,Tianjin,300354 – sequence: 5 givenname: Shuang surname: Wang fullname: Wang, Shuang organization: FAW Jiefang Automotive Co Ltd,Changchun,130011 – sequence: 6 givenname: Chaoyang surname: Sun fullname: Sun, Chaoyang organization: Tianjin University,State Key Laboratory of Engines,Tianjin,300354 |
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Snippet | To achieve precise control of rail pressure and enhance the performance of a diesel engine, a feedforward + sliding mode active disturbance rejection control... |
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SubjectTerms | Diesel engines F-SMADRC algorithm Fuels Mathematical models object model Pressure control rail pressure control Rails six-cylinder high-pressure common rail diesel engine Software packages Steady-state |
Title | Modeling and Control Strategy Research on Diesel Engine HighPressure Common Rail System |
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