Gray box modeling of an excavators variable

Gray box modeling of an excavators variable

A Review on Mechanical and Hydraulic System Modeling of

Request PDF | Gray box modeling of an excavator's variable displacement hydraulic pump for fast simulation of excavation cycles | This paper describes the results of a study focused on the

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Gray box modeling of an excavator's variable displacement

A Review on Mechanical and Hydraulic System Modeling of Excavator Manipulator System …

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Response Characteristics Analysis and Optimization Design

Aug 14, 2016 · P. Casoli and A. Anthony, "Gray box modeling of an excavator's variable displacement hydraulic pump for fast simulation of excavation cycles," Control Engineering Practice, vol. 21, no. 4, pp. 483–494, 2013. View at: Publisher Site | Google Scholar

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ABSTRACT - unipr.it

This mathematical model has been developed using the bond graph methodology. The excavator is described by two models: a hydraulic model and a kinematic model; dynamic parameters are continuously calculated during an excavation cycle, providing a platform to study the pump's behavior. The gray box model of the variable displacement pump has been validated on the …

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Scheme Based on Economic Analysis of - Scientific.Net

The Lithium-electric Excavator Hydraulic System (Li-EEHS) is based on economic analysis of energy consumption, and it has changed the excavator counterweight into Lithium-ion Battery in order to replace the engine. A computational analysis which takes the Qingdao heavy industry excavator HW130 as the example demonstrates the accessibility of the scheme.

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Hydraulic Pump Model Published 09/13/2011

The pump model has been conceived as a grey box model; where the flow compensator and pressure compensator have been modeled as white box models while the actual flow characteristics of the pump as a black box model. The other excavator hydraulic system components comprising of valve block and actuators have been created using generic

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Article | 13th Scandinavian International Conference on

[4] P. Casoli; A. Anthony (2013) "Gray box modeling of an excavator's variable displacement hydraulic pump for fast simulation of excavation cycles" Control Engineering Practice 21 …

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Modeling and Analysis of Dynamic Systems

Model Synthesis Types of Model "black-box models": derived from experiments only "grey-box models" : model-based, experiments need for parameter identification, model validation "white-box models": no experiments at all Model-based System Description Based …

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Simulation of an Excavator Hydraulic System Using

Keywords: hydraulic excavator, hydraulic system nonlinear modelling, variable displacement pump, load sensing, flow-sharing valve Highlights • The model of the hydraulic circuit could be used for control-oriented applications. • The mathematical model is …

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Hydraulic Hybrid Excavator—Mathematical Model Validation

Nov 29, 2016 · The excavator mathematical model is based on a grey box model of the variable displacement axial piston pump, a white box model of the flow sharing load sensing directional valve, a kinematics and dynamics model of the front tool, turret and tracks, and the ICE model.

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Generic Modeling and Control of an Open-Circuit Piston

Feb 15, 2016 · Gray Box Modeling of an Excavator's Variable Displacement Hydraulic Pump for Fast Simulation of Excavation Cycles," Control Eng. Pract., 21 (4

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Lecture 9 – Modeling, Simulation, and Systems Engineering

Model development and validation • Model development is a skill • White box models: first principles • Black box models: data driven • Gray box models: with some unknown parameters • Identification of model parameters – necessary step – Assume known model structure – Collect plant data: special experiment or normal operation

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Modeling of an Excavator System - Semi Empirical Hydraulic

Sep 13, 2011 · The excavator model is described by two models: a hydraulic model and a kinematic model. At this stage of research the hydraulic model deals solely with the model of the main hydraulic pump, which has been conceived as a semi empirical model. The pump model has been conceived as a grey box model; where the flow compensator and pressure

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UNIVERSITA' DEGLI STUDI DI PARMA - CORE

This paper describes a mathematical modelling methodology developed for the rapid simulation of an excavator hydraulic system. The modelling approach presented enables a reduction of the control system development time for a complete excavator, while …

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Simulation of an Excavator Hydraulic System Using

The hydraulic model, composed of the pump's grey box model and the valve block white box model, has been validated on the basis of a set of experimental data collected on a test bench. The results of this study are presented in this paper.

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Generic Modeling and Control of an Open-Circuit Piston

Feb 15, 2016 · Gray Box Modeling of an Excavator's Variable Displacement Hydraulic Pump for Fast Simulation of Excavation Cycles," Control Eng. Pract., 21 (4

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Simulation of an Excavator Hydraulic System Using

grey box model, i.e. a model based on both insight into the system and experimental data as can be seen in figure 2. The flow and pressure compensators have been modeled as white box models and that of the flow characteristics as a black box model. The grey box model of the pump correlates the

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Modeling And Simulation Swash Plate Pump Response

Aug 23, 2017 · Gray box modeling of an excavator's variable displacement hydraulic pump for fast simulation of excavation cycles. Control Engineering Practice, 21(4), 483-494. [24].

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Nonlinear Modelingand Identification of the Electro

model is composed of a two-segment nonlinearity followed by a LTI subsystem. The H-W model is built based on the Hammerstein model in cascade with a single polynomial nonlinear output. A novel Pseudo-Hammerstein-Wiener (P-H-W) model is developed by replacing the output nonlinear function of H-W model by a backlash function.

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ABSTRACT - unipr.it

grey box model, i.e. a model based on both insight into the system and experimental data as can be seen in figure 2. The flow and pressure compensators have been modeled as white box models and that of the flow characteristics as a black box model. The grey box model of the pump correlates the

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