fault diagnosis excavator hydraulic based expert

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  • Fault Diagnosis of Excavator Hydraulic System Based on ...

    Yin J., Mei L. (2011) Fault Diagnosis of Excavator Hydraulic System Based on Expert System. In: Lee G. (eds) Advances in Automation and Robotics, Vol.1. Lecture Notes in Electrical Engineering, vol 122.

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    Traditionally, the expert system for fault diagnosis is only based on expert experiences. However, considering the complexity of faults of the hydraulic system, it ...

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    The constituting of diagnosis expert system and the basic theory of fault tree analysis were introduced at first. A model of combining fault tree with expert system was analyzed. It focused on the hydraulic excavator PC220-7 for Komatsu according to the hydraulic system breakdown of law and order was particularity. A method combined the fault tree analysis with an expert system based rules was ...

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    2008-10-1u2002·u2002In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis(PCA) was proposed. Dynamic PCA is an extension of PCA, which can effectively extract the dynamic relations among process variables. With this approach, normal samples were used as training data to develop a dynamic PCA model in the first step. …

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    Abstract. In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis (PCA) was proposed. Dynamic PCA is an ...

    Get Price
  • Fault Diagnosis Research of Hydraulic Excavator Based On ...

    Directing to the dispersiveness and faintness failure characteristics of hydraulic excavator, the fault diagnosis method was presented based on the fault tree and fuzzy neural network.

    Get Price
  • Fault diagnosis approach of hydraulic system using FARX ...

    2011-1-1u2002·u2002Therefore, there is an important significance to develop an effective fault diagnosis approach for the excavator’s hydraulic system. Faults in an excavator’s hydraulic system can take many forms, such as pump faults, valve faults, cylinder faults and so on. Hydraulic faults are generally sorted in several grades according to severity.

    Get Price
  • Hydraulic system fault diagnosis method based on HPSO

    A fault diagnosis approach of hydraulic system based on Hybrid Particle Swarm Optimization (HPSO) algorithm and Wavelet Packet Energy Entropy (WP-EE) is presented.

    Get Price
  • Fault Diagnosis of Excavator Hydraulic System Based on ...

    Yin J., Mei L. (2011) Fault Diagnosis of Excavator Hydraulic System Based on Expert System. In: Lee G. (eds) Advances in Automation and Robotics, Vol.1. Lecture Notes in Electrical Engineering, vol 122.

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    Traditionally, the expert system for fault diagnosis is only based on expert experiences. However, considering the complexity of faults of the hydraulic system, it ...

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    The constituting of diagnosis expert system and the basic theory of fault tree analysis were introduced at first. A model of combining fault tree with expert system was analyzed. It focused on the hydraulic excavator PC220-7 for Komatsu according to the hydraulic system breakdown of law and order was particularity. A method combined the fault tree analysis with an expert system based rules was ...

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    2008-10-1u2002·u2002In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis(PCA) was proposed. Dynamic PCA is an extension of PCA, which can effectively extract the dynamic relations among process variables. With this approach, normal samples were used as training data to develop a dynamic PCA model in the first step. …

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    Abstract. In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis (PCA) was proposed. Dynamic PCA is an ...

    Get Price
  • Fault Diagnosis Research of Hydraulic Excavator Based On ...

    Directing to the dispersiveness and faintness failure characteristics of hydraulic excavator, the fault diagnosis method was presented based on the fault tree and fuzzy neural network.

    Get Price
  • Fault diagnosis approach of hydraulic system using FARX ...

    2011-1-1u2002·u2002Therefore, there is an important significance to develop an effective fault diagnosis approach for the excavator’s hydraulic system. Faults in an excavator’s hydraulic system can take many forms, such as pump faults, valve faults, cylinder faults and so on. Hydraulic faults are generally sorted in several grades according to severity.

    Get Price
  • Hydraulic system fault diagnosis method based on HPSO

    A fault diagnosis approach of hydraulic system based on Hybrid Particle Swarm Optimization (HPSO) algorithm and Wavelet Packet Energy Entropy (WP-EE) is presented.

    Get Price
  • The Fault Detection and Diagnosis System of Hydraulic ...

    The fault detection and diagnosis system, which uses dedicated interface adapter unit and PXI interface modules to perform signal excitation and parameter testing, is introduced in this paper. Its firmware consists of PXI-bus control computer, display control unit, dedicated interface adapter unit, connection cable and power supply unit. The dedicated interface adapter unit (IAU) is the core ...

    Get Price
  • Figure 2

    Fault Diagnosis Method of the Construction Machinery Hydraulic System Based on Artificial Intelligence Dynamic Monitoring Figure 2 Block diagram of the hydraulic fault diagnosis expert system.

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  • FaultDiagnosisMethodoftheConstructionMachineryHydraulic ...

    2021-7-16u2002·u2002Fault diagnosis expert system (ES) is the most widely used intelligent diagnosissystem[28,29].Itismainlyusedforcomplex ... the condition where it is difficult to establish mathe-matical models. e hydraulic system fault diagnosis ... then infers the cause of the fault and proposes mainte-nance based on the input fault phenomenon and the ...

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  • Signal-Based Intelligent Hydraulic Fault Diagnosis

    2019-9-6u2002·u2002Hydraulic systems have the characteristics of strong fault concealment, powerful nonlinear time-varying signals, and a complex vibration transmission mechanism; hence, diagnosis of these systems is a challenge. To provide accurate diagnosis results automatically, numerous studies have been carried out. Among them, signal-based methods are commonly used, which employ signal processing ...

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  • Application of PCA method and FCM clustering to the fault ...

    2007-8-21u2002·u2002Abstract: In order to improve reliability of the excavator's hydraulic system, a fault diagnosis approach based upon principal component analysis (PCA) method and fuzzy c-means (FCM) clustering was proposed. PCA is a powerful method for re-expressing multivariate data, which could effectively extract the correlation among process variables.

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  • Monitoring Hydraulic System Fault Based on Motor

    3. Jian Yin, Liting Mei, Fault Diagnosis of Excavator Hydraulic Sy stem Based on Expert System, Advances in Automation and Robotics, 2012, 122(1): 87-92. 4. Chinmaya Kar, A.R. Mohanty, Monitoring gear vibrations through motor current signature analysis and wavelet transform, Mechanical Systems & Signal Processing, 2006, 20(1): 158-187. 5.

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  • Bayesian network approach to fault diagnosis of a ...

    2019-6-21u2002·u2002Based on this, a fault diagnosis model of Bayesian network for the HGS is presented. The expert system gives the prior probabilities of nodes, and the Noisy‐Or modeling approach is employed to reduce the node computations. Based on the Bayes' theorem, we conduct the Bayesian fault diagnosis inference of the HGS.

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  • Design of Intelligent Hydraulic Excavator Control System ...

    2021-11-3u2002·u2002Based on negative flux hydraulic system, an intelligent hydraulic excavator control system was designed based on rotational speed sensing method to improve energy efficiency. The control system was consisted of engine control module, pump power adjusted module, engine idle module and system fault diagnosis module.

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  • ZAXIS-5 Hydraulic Excavator Series Compliant with New ...

    2015-3-31u2002·u2002ZAXIS-5 Hydraulic Excavator Series Compliant with New Emissions Law Toshiaki Nishida Tsuyoshi Nakamura ... the addition of the fault diagnosis equipment to the cab monitor. The operator's environment has also ... valve hydraulic system in place of two-pump/two-valve systems used in the past. The objectives of the

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  • Fault diagnosis of rolling element bearing based on ...

    The CHMM was used in rolling element bearing fault diagnosis and performance degradation assessment respectively in paper [14] and paper [15], and satisfactory experiment analysis results were obtained. So the using of CHMM in fault diagnosis of rolling element bearing is studied and the WKPCA is used as feature extraction method in the paper.

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  • The 10th International Conference on Fluid Power ...

    2021-3-30u2002·u2002Recent Developments of Micro Hydraulic System Technologies Prof. Kazuhiro Yoshida (Tokyo Institute of Technology) ... for Fault Diagnosis of Directional Control Valve ... S0604 Research on The Driving Characteristics of Hydraulic Excavator Boom Based on The Hydraulic-Electric Hybrid Driving Principle Session 7: Sensors and Actuators ...

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  • Feature reconstruction based on t-SNE: an approach for ...

    He Z. Wavelet transform based on inner product in fault diagnosis of rotating machinery: a review. Mechanical Systems and Signal Processing, Vol. 70, Issue 71, 2015, p. 1-35. [Search CrossRef] He Z., Guo W., Tang Z. A hybrid fault diagnosis method based on second generation wavelet de-noising and local mean decomposition for rotating machinery.

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  • Fault Diagnosis of Excavator Hydraulic System Based on ...

    Yin J., Mei L. (2011) Fault Diagnosis of Excavator Hydraulic System Based on Expert System. In: Lee G. (eds) Advances in Automation and Robotics, Vol.1. Lecture Notes in Electrical Engineering, vol 122.

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    Traditionally, the expert system for fault diagnosis is only based on expert experiences. However, considering the complexity of faults of the hydraulic system, it ...

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    The constituting of diagnosis expert system and the basic theory of fault tree analysis were introduced at first. A model of combining fault tree with expert system was analyzed. It focused on the hydraulic excavator PC220-7 for Komatsu according to the hydraulic system breakdown of law and order was particularity. A method combined the fault tree analysis with an expert system based rules was ...

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    2008-10-1u2002·u2002In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis(PCA) was proposed. Dynamic PCA is an extension of PCA, which can effectively extract the dynamic relations among process variables. With this approach, normal samples were used as training data to develop a dynamic PCA model in the first step. …

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    Abstract. In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis (PCA) was proposed. Dynamic PCA is an ...

    Get Price
  • Fault Diagnosis Research of Hydraulic Excavator Based On ...

    Directing to the dispersiveness and faintness failure characteristics of hydraulic excavator, the fault diagnosis method was presented based on the fault tree and fuzzy neural network.

    Get Price
  • Fault diagnosis approach of hydraulic system using FARX ...

    2011-1-1u2002·u2002Therefore, there is an important significance to develop an effective fault diagnosis approach for the excavator’s hydraulic system. Faults in an excavator’s hydraulic system can take many forms, such as pump faults, valve faults, cylinder faults and so on. Hydraulic faults are generally sorted in several grades according to severity.

    Get Price
  • Hydraulic system fault diagnosis method based on HPSO

    A fault diagnosis approach of hydraulic system based on Hybrid Particle Swarm Optimization (HPSO) algorithm and Wavelet Packet Energy Entropy (WP-EE) is presented.

    Get Price
  • The Fault Detection and Diagnosis System of Hydraulic ...

    The fault detection and diagnosis system, which uses dedicated interface adapter unit and PXI interface modules to perform signal excitation and parameter testing, is introduced in this paper. Its firmware consists of PXI-bus control computer, display control unit, dedicated interface adapter unit, connection cable and power supply unit. The dedicated interface adapter unit (IAU) is the core ...

    Get Price
  • Figure 2

    Fault Diagnosis Method of the Construction Machinery Hydraulic System Based on Artificial Intelligence Dynamic Monitoring Figure 2 Block diagram of the hydraulic fault diagnosis expert system.

    Get Price
  • Fault Diagnosis of Excavator Hydraulic System Based on ...

    Yin J., Mei L. (2011) Fault Diagnosis of Excavator Hydraulic System Based on Expert System. In: Lee G. (eds) Advances in Automation and Robotics, Vol.1. Lecture Notes in Electrical Engineering, vol 122.

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    Traditionally, the expert system for fault diagnosis is only based on expert experiences. However, considering the complexity of faults of the hydraulic system, it ...

    Get Price
  • Hydraulic Fault Diagnosis Expert System of Excavator

    The constituting of diagnosis expert system and the basic theory of fault tree analysis were introduced at first. A model of combining fault tree with expert system was analyzed. It focused on the hydraulic excavator PC220-7 for Komatsu according to the hydraulic system breakdown of law and order was particularity. A method combined the fault tree analysis with an expert system based rules was ...

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    2008-10-1u2002·u2002In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis(PCA) was proposed. Dynamic PCA is an extension of PCA, which can effectively extract the dynamic relations among process variables. With this approach, normal samples were used as training data to develop a dynamic PCA model in the first step. …

    Get Price
  • Fault detection of excavator's hydraulic system based on ...

    Abstract. In order to improve reliability of the excavator's hydraulic system, a fault detection approach based on dynamic principal component analysis (PCA) was proposed. Dynamic PCA is an ...

    Get Price
  • Fault Diagnosis Research of Hydraulic Excavator Based On ...

    Directing to the dispersiveness and faintness failure characteristics of hydraulic excavator, the fault diagnosis method was presented based on the fault tree and fuzzy neural network.

    Get Price
  • Fault diagnosis approach of hydraulic system using FARX ...

    2011-1-1u2002·u2002Therefore, there is an important significance to develop an effective fault diagnosis approach for the excavator’s hydraulic system. Faults in an excavator’s hydraulic system can take many forms, such as pump faults, valve faults, cylinder faults and so on. Hydraulic faults are generally sorted in several grades according to severity.

    Get Price
  • Hydraulic system fault diagnosis method based on HPSO

    A fault diagnosis approach of hydraulic system based on Hybrid Particle Swarm Optimization (HPSO) algorithm and Wavelet Packet Energy Entropy (WP-EE) is presented.

    Get Price
  • The Fault Detection and Diagnosis System of Hydraulic ...

    The fault detection and diagnosis system, which uses dedicated interface adapter unit and PXI interface modules to perform signal excitation and parameter testing, is introduced in this paper. Its firmware consists of PXI-bus control computer, display control unit, dedicated interface adapter unit, connection cable and power supply unit. The dedicated interface adapter unit (IAU) is the core ...

    Get Price
  • Figure 2

    Fault Diagnosis Method of the Construction Machinery Hydraulic System Based on Artificial Intelligence Dynamic Monitoring Figure 2 Block diagram of the hydraulic fault diagnosis expert system.

    Get Price
  • Fault Diagnosis of Hydraulic Systems Based on Deep ...

    2021-6-10u2002·u2002Fault Diagnosis of Hydraulic Systems Based on Deep Learning Model With Multirate Data Samples. Huang K, Wu S, Li F, Yang C, Gui W. IEEE Transactions on Neural Networks and Learning Systems, 10 Jun 2021, PP DOI: 10.1109/tnnls.2021.3083401 PMID: 34111001 ...

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  • Fault Diagnosis of a Hydraulic Power System Using an ...

    2008-8-30u2002·u2002Fault diagnosis process includes the following tasks [2]: fault detection, which indicates that something is going wrong in the system, fault isolation which determines the exact location of a fault and fault identification, which determines the magnitude of a fault severity. Different approaches have been used to diagnose hydraulic system faults.

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  • A multi-fault diagnostic method based on acceleration ...

    2019-12-17u2002·u2002A multi-fault diagnostic method based on acceleration signal for a hydraulic axial piston pump; ... N. Riccò, L. Coupling excavator hydraulic system and internal combustion engine models for the real-time simulation. Control Engineering Practice, 2015, pp. 26 ... Expert Syst. Appl. 2010, ...

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  • Research on Expert System for Hydraulic Support in Fully ...

    According to the problem that the fault of the hydraulic support was difficult and the recognition rate was low, the fault diagnosis method was put forward based on the FTA fully mechanized coal mining hydraulic support. This method was integrated with fault tree diagnosis technology and expert system. The failure types and causes of the hydraulic support...

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  • Hydraulic System Onboard Monitoring and Fault

    Hydraulic System Onboard Monitoring and Fault Diagnostic in Agricultural Machine ... This can solely be resolved by making a new monitoring and diagnostic system by using an app-based mobile application with the subsequent concept. ... even a non-expert operator can monitor its hydraulic condition by just locating the phone in a proper place ...

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  • Hydraulic System Onboard Monitoring and Fault

    the hydraulic system is an important part and is controlled by the propagated oil which ... economic and easy to use fault diagnosis and monitoring system: ... diagnostic system by using an app-based mobile application with the subsequent concept. Thus, it is proposed to …

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  • FAULT DIAGNOSIS OF HYDRAULIC SERVO SYSTEM USING

    2014-3-17u2002·u2002This paper proposes an approach for fault diagnosis based on the unscented K alman filter (UKF ) with a mathematical model of the hydraulic servo system. The mathematical model is established using the dynamic equations of the hydraulic servo system. Based on the fault mechanism analysis results, several important system model parameters that ...

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  • Volvo Excavator Fault Codes List,CMP Technology Co.,

    2019-11-12u2002·u2002SAE-code Volvo excavator fault code. MID PID, PPID, SID, PSID FMI. 128 PID45 3 RE2501 - 03 Intake preheat relay, high voltage. 4 RE2501 - 04 Intake preheat relay, low voltage. 5 RE2501 - 05 Intake preheating relay, open circuit. 128 PID94 0 ER49 - 00 Fuel supply pressure sensor, below the limiting pressure.

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  • Research on fault diagnosis of hydraulic system in missile ...

    Hydraulic system is the important component of missile armament system, and its performance has determined the viability and reliability of the armament system. So it is very significant to diagnose its faults during its working period. But it will cause the substantive training expense to carry out the study in the actual equipment, and it is disadvantageous to the study of fault diagnosis ...

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  • Why is my excavator so slow? - Plant & Works Engineering

    2020-10-21u2002·u2002Tim Bone, cylinder parts manager at FPE Seals explains some of the reasons why an excavator can be operating slowly. Modern day excavators come in many shapes and sizes, with most now fitted with more than one hydraulic pump, along with various system relief valves, service relief valves and priority valves to make the excavator run more smoothly.

    Get Price