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Journal articles on the topic 'Hydraulic servomechanisms Simulation methods'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Muraru, Vergil, Constantin Calinoiu, Sebastian Muraru, Ana Dulgheru, and Cornelia Muraru-Ionel. "Mathematical modelling and numerical simulation of linear electro-hydraulic servomechanism with stepper motor." E3S Web of Conferences 180 (2020): 04005. http://dx.doi.org/10.1051/e3sconf/202018004005.

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The paper presents the results of research on the performance of linear electro-hydraulic servomechanisms with stepper motor, evaluated by mathematical modelling and numerical simulation with the AMESIM software package. These servomechanisms have a great potential for application, including for agricultural technical equipment. Servomechanisms of various types are used for the rapid and high precision operation of the various systems. In practice, electro-hydraulic servomechanisms have been required in the case of the systems requiring high forces or moments. These equipment are automatic hyd

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2

Alimhillaj, P., L. Lamani, and M. D. L. Dalla Vedova. "Simulation of an Aerospace Electrohydraulic Servomechanism, with different Coulomb Friction models." Journal of Physics: Conference Series 2716, no. 1 (2024): 012052. http://dx.doi.org/10.1088/1742-6596/2716/1/012052.

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Abstract The contemporary design of flight control systems demands the utilization of intricate models for the in-depth analysis of individual components or subsystems. Conversely, there is a parallel need for more foundational and synthetic models that offer sufficient accuracy, specifically tailored for preliminary design, monitoring, or diagnostic purposes. This paper centers on electro-hydraulic servomechanisms designed for aeronautical applications, emphasizing their contemporary significance. These systems play a crucial role, particularly in primary flight commands characterized by prec

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Hlbočan, Peter, Marta Murgašová, Zoltán Csuka, and Michal Varchola. "Hydraulic Design of an Axial Runner Using Classical Methods and CFD Simulation." MATEC Web of Conferences 369 (2022): 01008. http://dx.doi.org/10.1051/matecconf/202236901008.

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The paper deals with the principles of hydraulic design of runners of axial turbines or pumps. The procedures of classical methods of hydraulic design of primary runner geometry and the possibilities of subsequent optimization of this geometry by CFD simulation are presented. In the paper, the advantages of the procedure of hydraulic design of the primary runner geometry of a tubular Kaplan turbine with the application of the classical methods and the subsequent CFD simulation are shown on a specific example. The purpose of the CFD simulation is to verify the achievement of the required parame

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4

Pfeiffer, Friedrich, and Fredrik Borchsenius. "New Hydraulic System Modelling." Journal of Vibration and Control 10, no. 10 (2004): 1493–515. http://dx.doi.org/10.1177/1077546304042063.

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The efficient design of hydraulic systems requires fast simulation methods. In most simulation programs, the hydraulic components are coupled by compressible joints. Since the compressibility of oil is very small, this leads to stiff differential equations. To avoid these difficulties stiff elastic couplings can be replaced by algebraic and, in some cases, unilateral constraints. Examples for hydraulic components with unilateral behavior are check valves, cylinders with stop limits and fluid volumes, in which cavitation can occur. The resulting complementarity equations can be solved with a st

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5

Xu, Zengguang, Xue Wang, Junrui Chai, Yuan Qin, and Yanlong Li. "Simulation of the Spatial Distribution of Hydraulic Conductivity in Porous Media through Different Methods." Mathematical Problems in Engineering 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/4321918.

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Seepage problems exist in water conservancy projects, groundwater research, and geological research, and hydraulic conductivity is an important factor that affects the seepage field. This study investigates the heterogeneity of hydraulic conductivity. Kriging methods are used to simulate the spatial distribution of hydraulic conductivity, and the application of resistivity and grain size is used to obtain hydraulic conductivity. The results agree with the experimental pumping test results, which prove that the distribution of hydraulic conductivity can be obtained economically and efficiently

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Prismotrov, Konstantin V., Artem I. Varavva, and Yana G. Voroninskaya. "Multi-stage hydraulic fracturing simulation methodology at the wells of the gas condensate field X." Georesursy 25, no. 4 (2023): 82–91. http://dx.doi.org/10.18599/grs.2023.4.5.

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The purpose of this work is to select the optimal method for multi-stage hydraulic fracturing simulation at the wells of a large gas condensate field X in conditions of low-permeability reservoirs and potential risk of condensate loss in the near bottomhole zone with a decrease in reservoir pressure. At the moment, there are many ways to simulate hydraulic fracturing, each of which is characterized by its advantages and disadvantages. For specific simulation conditions, it is necessary to choose the most optimal method of hydraulic fracturing simulation, which allows you to correctly simulate

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7

Guo, Xu Sheng, Quan Cai Li, and Ju Liang Xiao. "Dynamic Characteristics Simulation of the Digital Hydraulic Cylinder Based on AMESim." Advanced Materials Research 625 (December 2012): 75–78. http://dx.doi.org/10.4028/www.scientific.net/amr.625.75.

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Hydraulic transmission has a wide range of applications and attains rapid development. As the traditional methods of mathematic modeling in the design of the electro-hydraulic control system are very complex, making the design and debugging cycle of the hydraulic system longer. Thus in this paper, using the AMESim which is a senior modeling software facing engineering task design, does the modeling and simulation calculations for one kind of digital hydraulic cylinder. We get its simulation in the application of the actual working condition. At the same time, we optimize the simulation paramet

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Maltezos, Evangelos, Michail Papoutsidakis, and V. J. De Negri. "A STUDY OF HYDRAULIC ACTUATOR CONTROL METHODS IN SIMULATION." International Journal of Engineering Applied Sciences and Technology 04, no. 05 (2019): 455–62. http://dx.doi.org/10.33564/ijeast.2019.v04i05.066.

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9

Zhou, Wen Chao, Wei Zhou, Cun Ping Liu, and Shan Hua Xiao. "Simulation and Optimization on Dynamic Hydraulic Drawing for Spiral Bottom Shell Parts." Applied Mechanics and Materials 496-500 (January 2014): 935–38. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.935.

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The dynamic hydraulic drawing simulation is a valid method that reduces costs, increases quality and discovers hydraulic forming process problems.The simulation process of hydraulic drawing for spiral bottom brake shell parts with space surface feature was investigated and the optimal processing parameters were acquired by using Dynaform software. The results showed that model approaches, model methods, meshing and parameters setting were the foundation of hydraulic drawing simulation and the optimized control of holder force and fluid pressure were the key factors for preventing defects durin

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10

Skorek, Grzegorz. "Study of Losses and Energy Efficiency of Hydrostatic Drives with Hydraulic Cylinder." Polish Maritime Research 25, no. 4 (2018): 114–28. http://dx.doi.org/10.2478/pomr-2018-0138.

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Abstract Energy efficiency of hydrostatic transmissions, and especially efficiencies of drives with motor speed controlled by throttle, as well as efficiency of hydraulic servomechanisms can in fact be higher than the efficiency values most frequently given by the respective literature in this field. With the progress achieved in recent years in the development of hydraulic systems it is becoming necessary to develop methods for precise energy efficiency calculation of such systems. It is difficult to imagine that more and more, better and better machines and control elements could be used wit

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11

Sepehri, N., G. A. M. Dumont, P. D. Lawrence, and F. Sassani. "Cascade control of hydraulically actuated manipulators." Robotica 8, no. 3 (1990): 207–16. http://dx.doi.org/10.1017/s0263574700000060.

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SUMMARYA fundamental study on the control of hydraulically actuated robots is presented. Dynamic modelling is performed in both time-domain and frequency-domain. It is shown that the inclusion of hydraulic elements increases the order of the system. Hydraulic compliance is the most effective factor in this regard.Three distinct control strategies are applied. Their performances are evaluated and compared. All three methods are exemplified with a two link hydraulic robot in a computer simulation. The robot has the same hydraulic configuration as many existing industrial manipulators. The simula

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Pellicciari, Marcello, Giovanni Berselli, Mirko Ori, and Francesco Leali. "The Role of Co-Simulation in the Integrated Design of High-Dynamics Servomechanisms: An Experimental Evaluation." Applied Mechanics and Materials 278-280 (January 2013): 1758–64. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1758.

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This paper reports about the design and modeling process of high performance servo-actuated mechanisms for automatic machines. Besides being a delicate and time consuming process, coupled simulations based on virtual prototyping finally offer the chance to integrate engineering methods proper of control system engineering and mechanical design. In particular, the main target of this work is to investigate how different virtual prototyping approaches, each having increasing level of detail, can contribute to the appropriate prediction of the expected machine performance. These results are then

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13

Mu, Mingfei, Bowen Xie, and Yang Yang. "Research on Attitude Analysis of Hydraulic Support Based on Column Length." Strojniški vestnik - Journal of Mechanical Engineering 70, no. 5-6 (2024): 293–310. http://dx.doi.org/10.5545/sv-jme.2024.991.

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The existing hydraulic support attitude monitoring and control methods integrate multiple sensing technologies, but it is difficult to apply and promote due to unclear monitoring mechanisms, complicated types, and a large number of sensors. Aiming at the problem of attitude monitoring and control of hydraulic support, firstly, the kinematics mathematical model of hydraulic support is established by the key marker point method and the two-dimensional bar system model, and the forward and inverse solution algorithm of hydraulic support attitude based on the double-drive length of front and rear

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14

Yang, Jie, Shude Sun, and Pengfei Xing. "Investigating Hydraulic Equipment Disassembly and Assembly Practice in Education through AMESim Virtual Simulation." Journal of Natural Science Education 1, no. 2 (2024): 61–65. http://dx.doi.org/10.62517/jnse.202417212.

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Hydraulic equipment disassembly and assembly stand as pivotal practical components within the realm of marine engineering. This educational segment pertains to the dismantling and reassembly training focused on typical hydraulic pumps, motors, and control valve components present in deck machinery and specialized operational equipment. Currently, students are limited to static learning environments where they acquire foundational knowledge regarding disassembly and assembly methods, working principles, and structural composition of hydraulic equipment. Regrettably, opportunities for performanc

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15

Paga', Bertha Ollin. "The Effect Of Various Saturated Hydraulic Conductivity Of the Pitcher To Water Content In Sandy Loam Soil." SINTA Journal (Science, Technology, and Agricultural) 2, no. 2 (2022): 31–38. http://dx.doi.org/10.37638/sinta.2.2.31-38.

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Pitcher Irrigation is one of the artificial water supply techniques to overcome the lack of soil water content. The Pitcher Irrigation can save water so it is suitable for use on dry land. The research purposes was to determine the effect of various hydraulic conductivity of the picther on changes in soil water content around the pichter through program simulation. The methods used are direct measurement methods in the field and simulation methods. The measurement and simulation results are then calibrated with a solver and validated to obtain a small RMSE value and R2 was high. The results sh

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16

Fei, Ye, Qiong Wu, and Hai Yang Yu. "Dynamic Simulation of Hydraulic Truck Crane Hoisting System Based on AMESim." Applied Mechanics and Materials 29-32 (August 2010): 2031–36. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.2031.

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This paper is made from a certain type of truck crane hydraulic lifting mechanism system as an object, then the second lifting working condition is analyzed. With AMESim, according to the hydraulic system diagram building lifting mechanism hydraulic system simulation model, hereby corresponding simulation conditions is set and the effects of secondary slide response on input signal, hoisting load, discharge and speed of pump, fluid resistance of one-way throttle is studied. This research on truck crane hoisting mechanism hydraulic system provides the theory basis for the design improvement, th

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17

Huang, Qitao, Peng Wang, Yudong Liu, and Bowen Li. "Modeling and Simulation of Hydraulic Power Take-Off Based on AQWA." Energies 15, no. 11 (2022): 3918. http://dx.doi.org/10.3390/en15113918.

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The AQWA software is often used to perform hydrodynamic analysis, and it is highly convenient for performing frequency domain simulations of Pelamis-like wave energy converters. However, hydraulic power take-off (PTO) must be simplified to a linear damping model or a Coulomb torque model when performing a time domain simulation. Although these simulation methods can reduce the computational complexity, they may not accurately reflect the energy capture characteristics of the hydraulic PTO. By analyzing system factors such as the flow and pressure of each branch of the hydraulic PTO, the output

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18

Yan, Jing. "Hydraulic System Simulation Research of Demolishing Robots Based on Matlab." Advanced Materials Research 753-755 (August 2013): 2757–60. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.2757.

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Modular modeling methods based on the reasonable simplifying and supposing of hydraulic system of demolishing robots are proposed in this paper, dynamic mathematical model of each hydraulic element of demolishing robots is set up by the dynamic system analysis software package Simulink of Matlab, response characteristic curve is obtained by the simulation, and analysis of the simulation results is operated in this paper. The experimental results explicate that the hydraulic system is stably, real-time, low-cost, and easy to expand; it can meet the applying requirements of demolishing robots, a

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19

Wei, Jiafu, Hao Wang, Yuanchu Cheng, and Xinran Guo. "Dynamics Analysis for Hydroturbine Regulating System Based on Matrix Model." Mathematical Problems in Engineering 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/3565296.

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The hydraulic turbine model is the key factor which affects the analysis precision of the hydraulic turbine governing system. This paper discusses the basic principle of the hydraulic turbine matrix model and gives two methods to realize. Using the characteristic matrix to describe unit flow and torque and their relationship with the opening and unit speed, it can accurately represent the nonlinear characteristics of the turbine, effectively improve the convergence of simulation process, and meet the needs of high precision real-time simulation of power system. Through the simulation of a numb

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20

Jiang, Hongxuan, Qingjun Yang, Hu Liu, Yang Liu, and Xiaofeng Cui. "Dynamic Analysis of Hydraulic Pipeline Based on Substructure Method." Journal of Physics: Conference Series 2437, no. 1 (2023): 012023. http://dx.doi.org/10.1088/1742-6596/2437/1/012023.

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Abstract The vibration problem of hydraulic system is related to the normal operation of vehicles. The research methods of hydraulic system mainly include finite element simulation and vibration test. The vibration test is not repeatable because of the great influence of the environment, and the computer simulation provides the possibility for the analysis of the complex hydraulic system. However, in the process of local refinement design of the system, the simulation calculation of the whole structure is still needed to modify the local parameters, and the simulation time is long. Based on th

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21

Shi, Yuanling, and Pingsong Zhang. "Modeling and Dynamic Performance Analysis of Hydraulic Top Drive Main Transmission System with Long Hydraulic Pipelines." Geofluids 2022 (April 16, 2022): 1–15. http://dx.doi.org/10.1155/2022/1304176.

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Hydraulic top drive is the main power component used to drive drilling tools rotating to drill a hole for drilling rigs. Its main transmission system was built with hydraulic power source and hydraulic actuators. During the drilling procession, the hydraulic top drive is mounted on a derrick, and moving along its vertical guide rails. The hydraulic power station is usually placed on the drilling platform or the ground. In that way, long pipelines are needed to connect the hydraulic pumps and hydraulic motors. Thus, the effects on the performance of hydraulic top drive should not be neglected.

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22

Zorin, V. A., and Nguyen Trong Minh. "Prediction of residual life of hydraulic motors of construction machines by results of simulation." Repair, Reconditioning, Modernization, no. 3 (March 2023): 15–19. http://dx.doi.org/10.31044/1684-2561-2023-0-3-15-19.

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Problems of determining the residual life of hydraulic motors, based on the results of simulation. In the course of the investigation, the methods of reliability theory, mathematical statistics and simulation have been used. Predicting the residual life of the hydraulic motors of construction machines is necessary to improve operational reliability, reduce downtime and costs for maintenance and repair of equipment.

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23

Shen, Wei, Jihai Jiang, Xiaoyu Su, and Hamid Reza Karimi. "A new type of hydraulic cylinder system controlled by the new-type hydraulic transformer." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 12 (2013): 2233–45. http://dx.doi.org/10.1177/0954406213515646.

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In order to enhance the efficiency of the hydraulic system, one new-type hydraulic transformer is presented in this paper. First, the basic structure and the principle of the new-type hydraulic transformer are explained. Then, the mathematical models including both the inner and outer loops are analyzed. Moreover, two kinds of control methods are discussed corresponding to the two loops, respectively. Furthermore, the proposed strategies are translated into the simulation languages, and the simulation is made in Simulink. Finally, the prototypes of new-type hydraulic transformer and the test r

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Zhu, Xin Cai, Lei Guo, You Qing Ding, and Shun Hong Lin. "Modeling and Simulation of Hydraulic Turnover Device for Large Bearing House." Applied Mechanics and Materials 226-228 (November 2012): 660–64. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.660.

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The geometric models of the hydraulic turnover device are constructed by using three -dimensional modeling software UG, and then they are induced into simulation software ADAMS by a sharing data format. By using ADAMS, models are further simplified and the virtual prototype is established. By using the associated model, the simulation of the hydraulic turnover device is analyzed in ADAMS. Compared with the traditional methods of using physical prototypes, the movement processes and relevant parameters of the hydraulic turnover device can be effectively obtained by means of this method. Further

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Bogdevicius, Marijonas, Jolanta Janutėnienė, and Oleg Vladimirov. "Simulation of Hydrodynamics Processes of Hydraulic Braking System of Vehicle." Solid State Phenomena 147-149 (January 2009): 296–301. http://dx.doi.org/10.4028/www.scientific.net/ssp.147-149.296.

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The 3D vehicle with the hydraulic braking system and disc brake with the wheel has been investigated. The dynamic models of the disk brake assembly and the wheel have been constructed. The automobile hydraulic braking system consisting of two contours is considered. . The mathematical model of the hydraulic braking system is presented, where the flow of liquid and the interaction of liquid with the rigid bodies are taken into account. The flow of fluid in a hydraulic system is described by a system of equations of a hyperbolic type, which is solved by a characteristics method. During the mathe

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26

Zhao, Rui Ying, and Xin Wang. "Research on Power Adaptive Control Method for Hydraulic Motor Grader Based on Simulink/AMESim." Applied Mechanics and Materials 135-136 (October 2011): 793–99. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.793.

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A method of power adaptive control for hydraulic motor graders is provided, including the dynamic regulation methods of pump and motor and realization algorithms related. The simulation models of hydraulic transmission system and the control system are established in AMESim and Simulink respectively. By using these two softwares, the models are co-simulated. The co-simulation results verify the feasibility and effectiveness of the control system.

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27

Li, Jun, Huanliang Li, Hongxin Cui, and Yawei Zhu. "Nonlinear dynamics characteristics and influence factors analysis of servo hydraulic cylinder." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 20 (2017): 3629–38. http://dx.doi.org/10.1177/0954406217740166.

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Aiming at problems of vibration, impact, and noise, the nonlinear dynamic characteristics of servo hydraulic cylinder are studied by using combination of theoretical derivation and simulation experiment methods. The nonlinear effect rules of spring force and friction force are analyzed based on nonlinear dynamic theory; it can be derived that the coupling effect rules of nonlinear spring force and friction force can be described by Duffing–Van Der Pol equation. The dynamic simulation model of servo hydraulic cylinder is established by using SimHydraulics software. The numerical simulation and

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ShengQing, Yang, Ji Hong, Li SenLin, Sun Fei, and Wang SuYan. "Prediction and verification for the models of temperature rising by medium bubbles in hydraulic system." Advances in Mechanical Engineering 14, no. 3 (2022): 168781322210854. http://dx.doi.org/10.1177/16878132221085431.

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In order to obtain the influence of the medium bubble contents on temperature rising characteristics of a hydraulic system, the working hydraulic system of a wheel loader was taken as the research object. By carrying out the comparison experiments of the hydraulic system with and without de-aeration devices on a 5-ton wheel loader, the air bubble contents and concerning temperatures were obtained. To identify the factors which have impact on temperature rising of the hydraulic system, the head chamber of boom cylinder is taken to analyze, and the temperature rising expression in a volume were

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Drakulić, Momir, Aleksandar Đurić, Luka Ponorac, Abdeselem Benmeddah, and Sreten Perić. "Modeling and simulation of hydraulic buffering valve for power-shift transmission." Vojnotehnicki glasnik 71, no. 2 (2023): 417–38. http://dx.doi.org/10.5937/vojtehg71-43175.

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Introduction/purpose: The hydraulic buffering valve has the greatest influence on the dynamic characteristics of power-shift transmission. The hydraulic buffering valve is a transmission element that controls increase in pressure in friction assemblies during the gear shifting process. By choosing the optimal control of pressure increase during shifting, reduction of dynamic loads in gear transmissions and thermal loads in friction assemblies is achieved. Methods: The paper analyzes the principle of one of hydraulic buffering valve solutions as well as the influence of certain parameters on th

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Wei, Xiao Hui, Yin Yin, Heng Chen, and Hong Nie. "Modeling and Simulation of Aircraft Nose Landing Gear Emergency Lowering Using Co-Simulation Method." Applied Mechanics and Materials 215-216 (November 2012): 1213–18. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.1213.

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This paper builds dynamical models and hydraulic system models of retraction/lowering of some regional aircraft nose landing gear respectively based on the software LMS VL motion and AMESim. The simulation analysis result was proved to be credible by checking with that of ground test. The peak oil return pressure with the critical damping force can be obtained by analyzing the hydraulic damping characteristic of actuator cylinder during landing gear emergency lowering based on methods of estimation and co-simulation. The results indicate that the damping characteristic of actuator cylinder pla

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31

Umarov, Uchqun, Aybek Arifjanov, Gulchekhra Rikhsikhodjaeva, and Dinara Umarova. "Hydraulic Simulation of Local Industrial Wastewater Treatment Facilities." E3S Web of Conferences 449 (2023): 06009. http://dx.doi.org/10.1051/e3sconf/202344906009.

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The creation of technologies and equipment for wastewater treatment remains a topical issue for the efficient use of water resources and ensuring environmental sustainability. The article presents the results of research on improving the efficiency of vertical sewer settling tanks for the treatment of urban and industrial wastewater based on hydraulic calculations. The study used hydraulic modeling methods. A laboratory model of vertical settling tanks has been developed. The studies were carried out using real industrial wastewater. The process of achieving a reduction in the amount of suspen

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Potakhov, D. A., and Ya S. Vatulin. "NUMERICAL CALCULATION OF THE HYDROLIQUID LEAKAGE THROUGH THE RADIAL CLEARANCE OF THE CONNECTED ELEMENTS ON THE TOWER CRANE HYDROCILINDER." Russian Automobile and Highway Industry Journal 16, no. 1 (2019): 18–30. http://dx.doi.org/10.26518/2071-7296-2019-1-18-30.

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Introduction. The authors present the numerical calculation of the hydro-liquid leakage throughthe radial clearance of the “piston - hydraulic cylinder” conjugate node on the basis of determiningthe sealing elements’ resource of the tower crane hydraulic cylinder.Materials and methods. The authors use the method of mathematical modeling, which makes it possible to model the containing elements’ interaction of different physical nature on the unified methodological basis. Moreover, the paper presents such simulation systems as Simulation (finite element method), Flow Simulation (finite volume m

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Wei, Lihong, and Jaime Honra. "Impact of Rock Cuttings on Downhole Fluid Movement in Polycrystalline Diamond Compact (PDC) Bits, Computational Fluid Dynamics, Simulation, and Optimization of Hydraulic Structures." Fluids 10, no. 1 (2025): 13. https://doi.org/10.3390/fluids10010013.

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The flow occurring at the bottom of a polycrystalline diamond compact (PDC) drill bit involves a complex process made up of drilling fluid and the drilled rock cuttings. A thorough understanding of the bottom-hole flow conditions is essential for accurately evaluating and optimizing the hydraulic structure design of the PDC drill bit. Based on a comprehensive understanding of the hydraulic structure and fluid flow characteristics of PDC drill bits, this study integrates computational fluid dynamics (CFD) with rock-breaking simulation methods to refine and enhance the numerical simulation appro

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Ren, Ziqiang, Feng Zhou, Hai Zhu, et al. "Analysis and Research on Mobile Drilling Rig for Deep Seabed Shallow Strata." Marine Technology Society Journal 55, no. 2 (2021): 81–93. http://dx.doi.org/10.4031/mtsj.55.2.7.

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Abstract Drilling rigs for deep seabed shallow strata are commonly used to explore ocean cobalt-rich crust resources and other fields. This paper mainly presents the structure and mechanism of a mobile drilling rig for use in acquiring seafloor cores that are up to 1.5 m in length. The software Simcenter Amesim is used to establish the mobile drilling rig's hydraulic propulsion system model, which is the basis and a core part of the rig. Moreover, closed-loop and PID (proportion-integral-differential) control methods are separately used to control the hydraulic propulsion system for simulation

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R., R., D. Jayasutha, Indu Nair V., R. Senthilraja, Subash Thanappan, and Ramya S. "Development Of Digital Twin Technology in Hydraulics Based on Simulating and Enhancing System Performance." Journal of Cybersecurity and Information Management 13, no. 2 (2024): 50–65. http://dx.doi.org/10.54216/jcim.130204.

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DT digital twin technology has become an essential tool in hydraulic systems. It not only offers a virtual representation of the actual plant, but also real-time monitoring and optimization of that same machinery. Digital Twin (DT) technology has become a cornerstone in the optimization of industrial processes, particularly in the domain of hydraulic systems. For example, this research aims to use digital twin technology to detect and fix leaks in hydraulic systems. By integrating advanced simulation algorithms for accurate leak detection and performance enhancement, this study presents a comp

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Zenin, A. R., A. T. Rybak, A. N. Beskopylny, A. Yu Pelipenko, and Yu A. Serdyukova. "Testing Bench for Reciprocating Hydraulic Cylinders with Energy Recovery: Structure, Simulation, and Calculation." Advanced Engineering Research (Rostov-on-Don) 24, no. 4 (2024): 347–59. https://doi.org/10.23947/2687-1653-2024-24-4-347-359.

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Introduction. Energy conservation is an urgent topic of research in the field of mechanical engineering all over the world. A particular direction in these studies is the search for energy-efficient methods of testing technical systems, which allow the most accurate prediction of the reliability of the designed equipment. The duration of resource tests established by technical conditions and GOSTs causes an irreversible loss of energy, amounting to more than 1.5 resource of the tested machine, and the energy lost in the form of “harmful heat” is released into the environment. Therefore, the pr

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Bosikov, I. I., R. V. Klyuev, I. V. Silaev, and D. E. Pilieva. "Estimation of multistage hydraulic fracturing parameters using 4D simulation." Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 8, no. 2 (2023): 141–49. http://dx.doi.org/10.17073/2500-0632-2023-01-97.

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At the present stage, most oil and gas condensate fields in the southern part of the East Siberian oil and gas province are characterized by an increasing proportion of difficult oil reserves in tight reservoirs. Multistage hydraulic fracturing (MHF) is proposed for the offshore Challenger Sea field (Southeast Dome). The implementation of this technique at a shelf will be a source of additional risks. For example, the properties of the RR-2 overlying seal have not been unambiguously assessed, and there are a number of geological uncertainties, such as the tectonic regime. However, there are a

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Khoreshok, Aleksey, Andrey Kuznetsov, and Anton Shalkov. "Simulation and Field Measurements of Reliability Parameters of Dump Truck Hydraulic System." E3S Web of Conferences 41 (2018): 03004. http://dx.doi.org/10.1051/e3sconf/20184103004.

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Paper studies the problem of non-failure operation of dump trucks hydraulic system that is exploited in the climatic conditions of Kuzbass region. The main characteristic of the Kuzbass climate is hardly continental, so, it has sharp fluctuations in ambient temperature for seasons, for a month or even a day. To analyze the negative factors affecting the operation of the dump trucks hydraulic system a systematic approach was used, based on the methodology of SADT structural analysis. The result of field and cameral researches identified that the major negative factor is instability of kinematic

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Yang, Kai, Ali E. Yılmaz, and Carlos Torres-Verdín. "A goal-oriented framework for rapid integral-equation-based simulation of borehole resistivity measurements of 3D hydraulic fractures." GEOPHYSICS 82, no. 2 (2017): D123—D133. http://dx.doi.org/10.1190/geo2016-0179.1.

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We have developed a goal-oriented framework for fast integral-equation-based simulation of low-frequency borehole resistivity measurements of 3D arbitrarily shaped hydraulic fractures. The framework explores the possibility of applying various approximate integral-equation methods to simulate borehole electromagnetic (EM) measurements acquired in the vicinity of 3D hydraulic fractures generated with electrically conductive proppant. It includes four approximate methods that are progressively more accurate, costly, and rigorous. Each method is used to approximate the method-of-moments solution

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Gareyev, A. M., I. A. Popelnyuk, and D. M. Stadnik. "Imitation models of aircraft hydraulic units with account for typical faults." VESTNIK of Samara University. Aerospace and Mechanical Engineering 18, no. 1 (2019): 30–41. http://dx.doi.org/10.18287/2541-7533-2019-18-1-30-41.

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А method based on comparing oscilloscope patterns of operational parameters with reference curves is one of the most promising methods of diagnosing hydraulic systems among the existing ones. Its implementation does not allow accurate localization of the faulty unit in the system and quantitative estimation of the magnitude of the fault. To eliminate these shortcomings, it is advisable to use simulation models of hydraulic units, taking into account typical faults of a hydraulic system. Their use makes it possible to evaluate the effect of a particular malfunction on the change of dynamic para

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Xu, Wenxue, Changming Gu, Shuguang Fu, and Mingliang Lv. "Investigation of dynamic characteristics in the hydraulic shock absorber based on different FSI FEA methods." Journal of Physics: Conference Series 2599, no. 1 (2023): 012050. http://dx.doi.org/10.1088/1742-6596/2599/1/012050.

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Abstract Two three-dimensional fluid-structure interaction (FSI) finite element analysis (FEA) models with different fluid cells and coupling solution methods of a gas-pressured hydraulic shock absorber is constructed, and the results are partially verified experimentally. Models with FCBI fluid cell and direct FSI solution method or FCBI-C fluid cell and iterative FSI solution method provide good simulation results of the FSI system of the hydraulic damper.

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Viti, Nicolò, Daniel Valero, and Carlo Gualtieri. "Numerical Simulation of Hydraulic Jumps. Part 2: Recent Results and Future Outlook." Water 11, no. 1 (2018): 28. http://dx.doi.org/10.3390/w11010028.

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During the past two decades, hydraulic jumps have been investigated using Computational Fluid Dynamics (CFD). The second part of this two-part study is devoted to the state-of-the-art of the numerical simulation of the hydraulic jump. First, the most widely-used CFD approaches, namely the Reynolds-Averaged Navier–Stokes (RANS), the Large Eddy Simulation (LES), the Direct Numerical Simulation (DNS), the hybrid RANS-LES method Detached Eddy Simulation (DES), as well as the Smoothed Particle Hydrodynamics (SPH), are introduced pointing out their main characteristics also in the context of the bes

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Zhao, Guo Hua, and Jian Guo Chen. "Applications Research on the Synchronization Control of Multi Hydraulic Cylinders of Dump Truck." Applied Mechanics and Materials 220-223 (November 2012): 1653–56. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1653.

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Abstract: In this article, a three-hydraulic-cylinders synchronization control model of the hydraulic system of a large dump truck is discussed and the proportional integral (PI) control is used for the hydraulic system. Simulation and performances comparison between the improved and unimproved system have been done by using MATLAB 7.10. To meet different practical engineering requirements, different control methods are designed and selected，aiming to the practical purpose.

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Xiang, Ziru, Shuyang Yu, and Xiangyu Wang. "Modeling the Hydraulic Fracturing Processes in Shale Formations Using a Meshless Method." Water 16, no. 13 (2024): 1855. http://dx.doi.org/10.3390/w16131855.

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Complex bedding properties and in situ stress conditions of shale formation lead to complex hydraulic fracturing morphologies. However, due to the limitations of traditional numerical methods, the simulation of hydraulic fracturing in shale formation still needs further development. Based on this, the liquid–solid interaction modes and the SPH governing equations considering liquid–solid interaction force have been introduced. The smoothing kernel function in the traditional SPH method is improved by introducing the fracture mark ξ, which can realize the simulation of rock hydraulic fracturing

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Zhu, Dan Dan. "The Simulation Analysis of Virtual Prototype of Hydraulic Shovel." Applied Mechanics and Materials 614 (September 2014): 584–87. http://dx.doi.org/10.4028/www.scientific.net/amm.614.584.

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The application of dynamic simulation software ADAMS virtual prototype was carried out on the powerful triangle structure of excavator analysis methods, including environmental Settings; add parts import, motion pair, driving Settings, the simulation calculation and image processing, etc. Application by ADAMS virtual prototype technology to "strong triangle" structure modeling and analysis, the performance of the excavator movement process and intuitive parameters change, for the realization of the excavator laid the foundation of virtual design and dynamic.

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46

Ye, Xiangrui, Bin Luo, and Lichuan Deng. "Semi-physical Simulation Model for Leakage of Prediction Aviation Pipeline." Journal of Physics: Conference Series 2437, no. 1 (2023): 012025. http://dx.doi.org/10.1088/1742-6596/2437/1/012025.

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Abstract The high stability and tightness of modern aviation hydraulic pipelines require them to have a very low leakage rate under variable pressure environments. Once the leakage of the hydraulic pipeline is likely to cause an irreversible air disaster. Flaring straight pipe joint is one of the most widely used in aircraft hydraulic pipelines. The establishment of the simulation model is an effective method to accurately predict the annular gap leakage of the pipe joint. The ring gap of the pipe joint is located inside the threaded sleeve, which cannot be directly observed. The existing leak

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Liu, D., ZX Wang, YL Shen, C. Meng, SM Zhang, and Y. Li. "Modeling and Simulation of Hydraulic Buffer in the Gatling Gun." Journal of Physics: Conference Series 2460, no. 1 (2023): 012032. http://dx.doi.org/10.1088/1742-6596/2460/1/012032.

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Abstract For the gatling weapon, due to its high firing rate and the complex characteristics of recoil, reducing the recoil resistance and enhancing firing precision becomes an important research topic for the improvement of the performance of gatling weapon system. In this paper, a spring-hydraulic floating buffer device was designed as the whole gun buffer. Based on the computational fluid dynamics numerical analysis method, a calculation model of the hydraulic buffer in the gun was established. ADAMS was used to simulate the buffer, and the recoil force of automata was obtained. By comparin

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Hu, Bo, Bing Zhou, Shanshan Bu, Xinghua Wu, and Baoping Gong. "Holistic Hydraulic Simulation for Pebble Bed Using Porous Media Approach." Energies 17, no. 14 (2024): 3562. http://dx.doi.org/10.3390/en17143562.

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The porous media approach is regarded as an appropriate methodology for hydraulic simulations of complex pebble beds in fusion reactors. In order to determine the parameters (permeability α and inertial loss coefficient C) of the porous media accurately, two methods are proposed: the correction method and the fitting method. In this paper, a single-channel model with sequentially packed pebbles is constructed in order to obtain the pressure drop gradient against superficial velocities. Two methods, the correction method and fitting method, are employed to determine the permeability and inertia

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PUZANOV, Andrey V., and Sergey A. KURDUBANOV. "MINIMIZATION OF DEGRADATION OF RHEOLOGICAL AND TRIBOLOGICAL PROPERTIES OF HYDRAULIC FLUIDS IN FORCED MODES." Mechanics of Machines, Mechanisms and Materials 3, no. 64 (2023): 17–24. http://dx.doi.org/10.46864/1995-0470-2023-3-64-17-24.

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During operation of the drive, the working fluid is exposed to various physical factors of operational and functional nature. At the same time, fluids lose their properties, degrade. This leads to a decrease in productivity and an increase in wear of the movable parts of the hydraulic drive, a decrease in its service life. When forcing hydraulic drives according to power or speed parameters, the dynamics of these processes grows. The paper analyzes various factors that have a negative impact on the operational parameters of the working fluid of hydraulic drives. Software tools of multidiscipli

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Roos Launchbury, D., E. Casartelli, and L. Mangani. "Lattice Boltzmann simulation of the ERCOFTAC pump impeller." IOP Conference Series: Earth and Environmental Science 1079, no. 1 (2022): 012074. http://dx.doi.org/10.1088/1755-1315/1079/1/012074.

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Abstract The analysis of unsteady flows is becoming more and more important in the field of hydraulic turbomachinery applications, both for stable and especially for unstable operating conditions and other transient phenomena. Unsteady Reynolds-averaged Navier-Stokes (RANS) methods for incompressible flows, implemented via finite volume or finite element approaches, reach their limit in both accuracy and acceptable computational time. The accuracy mainly suffers due to the strong dependence of the solution on turbulence model variants. Furthermore, incompressibility of the flow and the linked

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