Academic literature on the topic 'Hydraulic drive system'

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Journal articles on the topic "Hydraulic drive system"

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Fatieieva, Nadiia, Oleksandr Fatyeyev, and Vladyslav Ponomarov. "ADVANTAGES OF USING HYDRAULIC EQUIPMENT OF MODULAR MOUNTING IN THE MODERNIZATION OF MACHINE HYDROSYSTEMS." Bulletin of the National Technical University "KhPI". Series: Hydraulic machines and hydraulic units, no. 1 (November 14, 2022): 33–41. http://dx.doi.org/10.20998/2411-3441.2022.1.05.

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With each passing year, automation schemes that use hydraulics are becoming more and more complex. With the large number of hydraulic devices in the scheme, replacing threaded connections with other methods of mounting becomes very important. The analysis of building and mounting of hydraulic drives and hydraulic units on the example of metal-cutting machines, namely: round saw and turret lathe. The analysis shows that the optimal variant of pipeless mounting of hydraulic drives is mounting with the use of modular and butt hydraulic equipment. The main advantages of modular mounting are: reduc
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Abdulaziz, Shermukhamedov, Astanov Bekzod, and Meliev Khudayor. "MATHEMATICAL MODEL OF DYNAMIC PROCESSES IN HYDRAULIC SYSTEMS." RESEARCH AND EDUCATION 2, no. 3 (2023): 116–24. https://doi.org/10.5281/zenodo.7793287.

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This article presents the developed mathematical model of a hydraulic drive with distributed parameters, taking into account wave processes, the flow regime of the liquid (laminar, turbulent), extreme operating conditions and a model of thermal processes in a flow hydraulic system. These models allow us to study the dynamic characteristics in the hydraulic drive, to determine the changes in the temperature of the liquid depending on the level of circulation in the flow system.
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LYANDENBURSKY, V. V., A. S. IVANOV, and N. I. SERGEEV. "DIAGNOSTICS OF THE HYDRO SYSTEM OF TRANSPORT AND TECHNOLOGICAL MACHINES." World of transport and technological machines 1(82), no. 3 (2023): 3–11. http://dx.doi.org/10.33979/2073-7432-2023-3-1(82)-3-11.

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The article considers a method for ensuring the control of hydraulic units by control points of the hydraulic drive during transients. A refined mathematical model of the processes of pressure change in closed cavities of hydraulic drives depending on the technical condition of the hydraulic drive and hydraulic distributor is proposed. A device developed on the basis of Arduino electronic boards is presented, which allows the master diagnostician to present the necessary amount of information about the diagnostic parameters on the monitor to prepare a conclusion on the technical condition of t
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Polishchuk, Leonid, Oleh Piontkevych, Mykola Burdeinyi, and Vadym Trehubov. "Justification for choosing the type of belt conveyor drive." Journal of Mechanical Engineering and Transport 19, no. 1 (2024): 115–22. http://dx.doi.org/10.31649/2413-4503-2024-19-1-115-122.

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The designs and dynamic properties of electromechanical and hydraulic drives for a belt conveyor have been analyzed to justify their selection. The main advantages and disadvantages of their operation have been formulated. It has been established that the hydraulic drive has advantages compared to the electromechanical one for installation in a built-in drive for a belt conveyor. The design features and principles of operation of these drives have been described. Calculation schemes have been developed for the electromechanical and hydraulic drives of the belt conveyor. A mathematical model of
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Veselovska, Natalia, Volodymyr Rutkevych, Serghiy Shargorodskiy, Vitalii Yaropud, and Ihor Kupchuk. "Simulation Modeling of the Adaptive System for Hydraulic Drives of a Stalk Forage Separator." Journal of Engineering Sciences 12, no. 1 (2025): F8—F17. https://doi.org/10.21272/jes.2025.12(1).f2.

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The article aims to increase the accuracy of the block-portioned stem feed separator, reducing unproductive power losses and dynamic loads in the hydraulic drive of the separator by developing scientific fundamentals based on nonlinear mathematical models and adaptive hydraulic drive systems. The research uses simulation modeling to design an energy-efficient hydraulic drive for a stem feed separator from trench storage. The proposed approach allowed for avoiding significant capital investments to manufacture a prototype. A detailed description of the physical model was carried out. It allowed
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Wang, Hua Bing, and Jun Ke Hu. "Durability Testing System with Power Recycle for the Variable Displacement Closed-Loop Hydraulic Pumps." Applied Mechanics and Materials 241-244 (December 2012): 1333–37. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.1333.

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A testing system scheme with power recycle for hydraulic pumps’ durability is present, which is based on a hydraulic motor with hydraulicly overridden pressure compensation. The hydraulic motor can adaptively adjust its displacement to meet the demand of displacement match of the power feedback in the system. The system pressure can be set by adjusting the starting control pressure of the motor. The rotating speed of the pump is guaranteed by the control of the driven electrical motor. A hydraulic bridge unit is used to guide the flow from the outport of the pump to the fixed inlet port of the
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Rutkevych, Volodymyr, Serhiy Shargorodskiy, Vitaliy Kushnir, and Oleksandr Ostapchuk. "DETERMINATION OF THE RANGE OF SPEED REGULATION OF WORKING BODIES OF THE MECHANISM FOR SEPARATION OF STEM FEEDS BY MATHEMATICAL MODE." ENGINEERING, ENERGY, TRANSPORT AIC, no. 2(117) (August 30, 2022): 135–45. http://dx.doi.org/10.37128/2520-6168-2022-2-14.

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The issue of increasing the efficiency and reducing the energy consumption of the technological operation of unloading stem fodder (silage and haylage) from trench storage by block-batch method, due to the development and justification of parameters and modes of operation of the adaptive hydraulic drive system. Recommendations for determining the range of speed control of the working bodies of the mechanism for separation of stem forages on the basis of the developed system of hydraulic actuators of the separator mechanism with maintenance of energy saving mode of the pumping station and inves
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Khristoforov, Evgeniy, Nataliya Sakovich, and Aleksandr Kuznecov. "SAFETY SUPPORT IN TRANSPORT CONSTRUCTION MACHINERY WITH HYDRAULIC DRIVE." Bulletin of Bryansk state technical university 2021, no. 7 (2021): 38–49. http://dx.doi.org/10.30987/1999-8775-2021-7-38-49.

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Work purpose: the investigation of transport process safety in construction industry of the Bryansk region, the substantiation of reasons, factors and circumstances of accidents in the construction companies of the region, the substantiation of the impact of hydraulic drive unit failures upon safety of transport construction machinery with the hydraulic drive with the purpose of driver safety. 
 Investigation problem: on the basis of the obtained results of the safety investigations of transport processes, reasons defined, revealed injury factors of drivers during the operation of the loa
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INOGUCHI, Rikiya, Kazuhisa ITO, and Shigeru IKEO. "Pure-Hydraulic Hybrid Cylinder Drive System with Hydraulic Transformer." JFPS International Journal of Fluid Power System 5, no. 1 (2012): 1–5. http://dx.doi.org/10.5739/jfpsij.5.1.

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Lagerev, Alexander V., Vladimir I. Averchenkov, and Elena A. Lagereva. "Prediction of kinetics of dependability indices hydraulic drive of load-haul-dump machines simulation-based flow of element failures." Vestnik Bryanskogo gosudarstvennogo tekhnicheskogo universiteta, no. 2 (June 30, 2012): 8–16. https://doi.org/10.5281/zenodo.1302021.

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The mathematical model and the method of predicting changes in the operation time of reliability indicators of hydraulic drives for General purpose hoisting and transport machines are presented. A graph of possible states and their connecting transitions in the operation of periodically repaired hydraulic drive is proposed. A system of ordinary differential equations of order I of Kolmogorov is constructed to determine the probability of finding the hydraulic drive at an arbitrary time of operation in all possible states. The solution of the system of equations adequately characterizes the kin
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Dissertations / Theses on the topic "Hydraulic drive system"

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Lodewyks, Johann, and Pascal Zurbrügg. "Decentralized energy-saving hydraulic concepts for mobile working machines." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-199996.

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The high price of batteries in working machines with electric drives offer a potential for investment in energy-saving hydraulic systems. The decentralized power network opens up new approaches for hydraulic- and hybrid circuits. In addition, the regeneration of energy can be used at any point of the machine. For the example of an excavator arm drive with a double cylinder two compact hydraulic circuits are presented, which relieve a central hydraulic system.
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Sagström, Johan. "Streamlined LCA model and complete assessment of a hydraulic drive system." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217801.

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This master thesis was commissioned by Bosch Rexroth AB and carried out over the course of 20 weeks between January and May 2017. The company produces hydraulic drive systems for different industrial applications, mostly for rotating heavy loads under constant, low speed and high torque. The products have a long life span and thus, optimizing the design of their products can have a considerable impact in terms of energy efficiency and environmental performance. In order to gain a better understanding of what role individual parts of the system have in terms of sustainability and to further inv
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Shimizu, Juri, Takuya Otani, Kenji Hashimoto, and Atsuo Takanishi. "Simulation of an interlocking hydraulic direct-drive system for a biped walking robot." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71091.

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Biped robots with serial links driven by an electric motor experience problems because the motor and transmission are installed in each joint, causing the legs to become very heavy. Previous solutions involved robots using servo valves, a type of highly responsive proportional valve. However, high supply pressure is necessary to realize high responsiveness and the resulting energy losses are large. To address this problem, we proposed a hydraulic direct-drive system in which the pump controls the cylinder meter-in flow, while a proportional valve controls the meter-out flow. Furthermore, our h
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Fernandes, Rita. "Efficient Volvo Bus Cooling System,Using Electrical Fans : A comparison between hydraulic and electrical fans." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-155901.

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Economical and environmental factors together with energy policies towards more efficient systemsare the driving force for the development of the vehicle industry. Significant changes have beenmade to fulfill new emissions legislation but the basic internal combustion vehicle architecture hasbeen kept. New emission treatment systems that increase the thermal loading of the cooling systemhad been added within the same package envelope as before, which means less space to place coolingfans and a greater need for airflow. Changes in the cooling system, namely the replacement of thehydraulic fan d
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Lammers, Zachary A. "Thermal Management of Electromechanical Actuation System for Aircraft Primary Flight Control Surfaces." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1399021324.

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Бурлига, Михайло Борисович. "Розвиток методів розрахунку та вибір раціональних схем двопотокових безступінчастих гідрооб'ємно-механічних трансмісій колісних тракторів". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35538.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.22.02 – автомобілі та трактори. Національний технічний університет "Харківський політехнічний інститут", Харків, 2017. Дисертація присвячена розвитку методів розрахунку для аналізу робочих параметрів безступінчастих ГОМТ і їх основних елементів ГОП, прогнозуванню техніко-економічних показників машинно-тракторного агрегату для визначення раціональних схемних рішень ГОМТ. Актуальність роботи полягає у необхідності забезпечення конкурентоспроможності вітчизняних тракторів. Здійснено аналіз роботи двопотокових
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Бурлига, Михайло Борисович. "Розвиток методів розрахунку та вибір раціональних схем двопотокових безступінчастих гідрооб'ємно-механічних трансмісій колісних тракторів". Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35536.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.22.02 – автомобілі та трактори. Національний технічний університет "Харківський політехнічний інститут", Харків, 2017. Дисертація присвячена розвитку методів розрахунку для аналізу робочих параметрів безступінчастих ГОМТ і їх основних елементів ГОП, прогнозуванню техніко-економічних показників машинно-тракторного агрегату для визначення раціональних схемних рішень ГОМТ. Актуальність роботи полягає у необхідності забезпечення конкурентоспроможності вітчизняних тракторів. Здійснено аналіз роботи двопотокових Г
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Pokorný, Jan. "Interakce mobilních pracovních strojů a pojížděného podloží." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-233912.

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This dissertation thesis is concerning with an interaction between mobile working machines and rolled surfaces. Machines and their constructions parts behavior were observed. There are some machines that can change state of surface. And due to these change of surface the machine is in different conditions for drive and also for works. The interaction of working machines and rolled surfaces was categorized in this work and for each category here is a methodic work flow for solution of various cases. Three examples are described in this work. Some simulating programs were used for all cases and
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Gerec, Matúš. "Pohonný a brzdový systém motorového vozu železnice pro muzeum průmyslových železnic." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318852.

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This thesis deals with the design of the propulsion and braking system for narrow gauge railcar. It contains the design of hydrostatic drive system with closed-loop hydraulic circuit. Then thesis describes the concept of propulsion system placement in the frame of the railcar and design of the braking system.
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Онуцький, Віталій Григорович, Віталій Олегович Колодій, Vitaly Onutsky та Vitaly Kolodiy. "Розроблення автоматизованого стенду для дослідження вібростійкості електрообладнання". Master's thesis, Тернопільський національний технічний університет ім. І. Пулюя, Факультет прикладних інформаційних технологій та електроінженерії, Кафедра автоматизації технологічних процесів і виробництв, 2021. http://elartu.tntu.edu.ua/handle/lib/36718.

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Робота виконана на кафедрі автоматизації технологічних процесів і виробництв факультету прикладних інформаційних технологій та електроінженерії Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України. Захист відбудеться «23» грудня 2021р. о 9.00год. на засіданні екзаменаційної комісії №22 у Тернопільському національному технічному університеті імені Івана Пулюя.<br>В кваліфікаційній роботі подано результати аналізу та синтезу системи автоматизованого керування стендом для вібраційних досліджень електротехнічних установок та агрегатів. Дослід
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Books on the topic "Hydraulic drive system"

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Lepeshkin, Aleksandr, Aleksandr Mihaylin, Anatoliy Sheypak, D. Shterenliht, and Yu Belenkov. Hydraulics and hydraulic pneumatic drive. Hydraulics. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/958917.

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The textbook outlines the basic laws of equilibrium and fluid motion in closed channels. The methods of using these laws in engineering calculations are considered, as well as recommendations for the design of individual elements of hydraulic systems are given.&#x0D; Meets the requirements of the federal state educational standards of higher education of the latest generation.&#x0D; For students of higher educational institutions studying in the field of training 23.03.03 "Operation of transport and technological machines and complexes" and the disciplines "Hydraulics and hydropneumatic drive"
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Mikkola, Aki. Studies on fatigue damage in a hydraulically driven boom system using virtual prototype simulations. Lappeenranta University of Technology, 1997.

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Vol'vak, Sergey. Hydraulics. Workshop. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1045068.

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Study guide corresponds to the program discipline "Hydraulics". Consists of two parts and is for carrying out practical and laboratory works. &#x0D; The first part provides material on the basics of the calculation of hydraulic machines, hydraulic drives of agricultural machinery, systems of land reclamation and hydraulic transport for development of skills of application of theoretical information to solve specific technical problems and development practices of hydraulic calculations.&#x0D; The second part contains material for the study of the methods and instruments for measuring pressure,
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Mahaffy, Philip Robert. Replacement of the existing combined hydraulic and electro-mechanical controls on the Autoleveller system fitted to the Lummus Mackie Mark 3 Speedmack textile machine, with the latest in AC Servo drive technology, an industrial microprocessor and electronic hardware. The Author], 1992.

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Burd, Natalya. Guide to Hydraulic System : Be a Drive Technology: How Does a Hydraulic System Work. Independently Published, 2021.

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Beater, Peter. Pneumatic Drives: System Design, Modelling and Control. Springer, 2007.

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Beater, Peter. Pneumatic Drives: System Design, Modelling and Control. Springer London, Limited, 2007.

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Beater, Peter. Pneumatic Drives: System Design, Modelling and Control. Springer, 2010.

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Technisches Englisch-Deutsch Wörterbuch Automobiltechnik Kraftfahrzeugtechnik Luftfahrt kfz-Mechatronik: Technische Fachbegriffe werden mit einer autocomplete-suche / auto-vervollständige suche gefunden. Verlag Lehrmittel Wagner, 2010.

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Book chapters on the topic "Hydraulic drive system"

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Demircioğlu, Pınar, İsmail Böğrekçi, and Mehmet Temel. "Development of Hydraulic Drive Railway Bearings Installation System." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62784-3_72.

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Woś, Piotr, and Ryszard Dindorf. "Modeling and Analysis of the Hydraulic Servo Drive System." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-26886-6_16.

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Nayak, Sandesh, and Muralidhara. "Position Control of a Double Acting Hydraulic Cylinder Using Piezo-Hydraulic Drive System." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9554-7_22.

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Wang, Jianjun, Sulan Hao, and Wenlei Li. "Study on Multiple Hydraulic Cylinders Synchronous Control Under Impact Load." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_39.

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AbstractIn engineering, it is often necessary to use multiple hydraulic cylinders to drive the load at the same time. Under the impact load, because of the compressibility and leakage of hydraulic oil is inevitable, it is difficult to accurately control the speed of the actuator. Firstly, the compression and leakage of the hydraulic oil under the impact load are analyzed theoretically, and the main factors affecting the speed stability of the hydraulic cylinder are obtained. A multiple hydraulic cylinders synchronous control experimental circuit with electro-hydraulic proportional PID control is designed, which is composed of pump station, oil cylinders, displacement detection sensors and computer control system. The master–slave control strategy, electro-hydraulic proportional closed-loop control and fuzzy PID weighted control algorithm are adopted, and the simulation results show that this method can realize the stable control of hydraulic cylinder speed, and improve the synchronous control accuracy of multiple hydraulic cylinders, and the synchronous accuracy is within 0.5 mm. Finally, the experimental platform is built for practical verification, and through data acquisition and displacement monitoring of the system, it can be proved this method can realize the accurate synchronization of displacement driven by four hydraulic cylinders. The results show that the system is easy to control and has high synchronization accuracy, which can provide a reference for the design of multiple actuators synchronization control.
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Fomenko, N. A., S. V. Aleksikov, and S. G. Artemova. "Actuation Control System of a Hydraulic Machine Drive Locking Device." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54817-9_138.

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Możaryn, Jakub, Arkadiusz Winnicki, and Damian Suski. "Modeling of Electro-Hydraulic Servo-Drive for Advanced Control System Design." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77306-9_16.

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Kumar, Sawan, Sanjoy K. Ghoshal, and J. Das. "Strategic Control of a Hydraulic Drive System with Accumulator to Enhance Energy Efficiency." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5423-6_5.

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Knap, Lech, Wiesław Grzesikiewicz, and Michał Makowski. "A New Approach to Design of a Cyberphysical System Exemplified by Its Use in the Electro-Hydraulic Hybrid Drive." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97490-3_3.

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Mizukami, Hideki, Takuya Otani, Juri Shimizu, et al. "Investigation of Parallel Connection Circuit by Hydraulic Direct-Drive System for Biped Humanoid Robot Focusing on Human Running Motion." In ROMANSY 23 - Robot Design, Dynamics and Control. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58380-4_5.

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Heinen, Frank, and Peter Eberspächer. "Hydraulic modulator." In Brakes, Brake Control and Driver Assistance Systems. Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-03978-3_10.

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Conference papers on the topic "Hydraulic drive system"

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Monaghan, Aelred M., Derek G. Tilley, and Peter J. Chapple. "Power Transmission System Design: Modeling the Comparative Performance of Hydraulic and Electric Drives." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1296.

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Abstract Advancements in technology have resulted in an increasing range of power transmission drive options. Therefore it is becoming increasingly difficult to select the most appropriate drive for a particular application. This paper describes the initial findings of an investigation into the design and analysis of power transmission systems. A technique is presented, based on computer simulation, which allows the comparative performance of alternative systems to be evaluated. The simulation work required the development of computer models to represent the drive system components. The modeli
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Grishchenko, V., St Rakulenko, Gr Dolgov, A. Petrov, and O. Martyniuk. "Hydraulic drive system with mechanical hydraulic kinematic connection." In XLV ACADEMIC SPACE CONFERENCE, DEDICATED TO THE MEMORY OF ACADEMICIAN S.P. KOROLEV AND OTHER OUTSTANDING NATIONAL SCIENTISTS — PIONEERS OF SPACE EXPLORATION. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0107829.

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Mikota, Gudrun, Rudolf Scheidl, and Rainer Haas. "Sensor Placement in a Hydraulic Drive System." In BATH/ASME 2022 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/fpmc2022-89855.

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Abstract Hydraulic drive systems consist of hydraulic and mechanical components, whose dynamic behavior is coupled by fluid-structure interaction. The validation of hydraulic drive models relies on an appropriate placement of pressure and vibration sensors. Based on a vibroacoustical approximation of the model, this question can be treated by potential and kinetic energy related modal assurance criteria (POTMAC and KINMAC). In this paper, the KINMAC criterion is applied for the sensor placement problem in a hydraulic drive system. The system consists of a valve block, a pipeline with fluid-str
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Jovanović, Vesna, Dragoslav Janošević, Jovan Pavlović, and Nikola Petrović. "Regulation of Hydraulic Pumps in the Drive System of Hydraulic Excavators." In XVII International Conference on Systems, Automatic Control and Measurements. University of Niš, Faculty of Electronic Engineering, Faculty of Mechanical Engineering, Niš, 2024. https://doi.org/10.46793/saum24.202j.

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The paper presents the results of the conducted researches related to the analysis of the parameters of the drive system, the crawler hydraulic excavator, with hydraulic pumps with collective regulation according to the criterion of constant hydraulic power and the regulator of ideal hyperbolic characteristics. A crawler excavator weighing 16,000 kg with a three-member manipulator with boom, arm and bucket with a volume of 0.6 m3 was tested. During the test, the following parameters of the hydrostatic system of the excavator were measured and determined: pressure and flow in the pressure lines
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Minav, Tatiana A., Panu Sainio, and Matti Pietola. "Direct-Driven Hydraulic Drive Without Conventional Oil Tank." In ASME/BATH 2014 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpmc2014-7834.

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In the past few years, direct-driven hydraulic drive (DDH) has synthesized the advantages of compact high power of the hydraulic system and flexible control of the electric motor. This paper investigates the direct-driven hydraulic setup for the non-road mobile machinery (NRMM) application. In the proposed setup, the speed and position control of a double-acting cylinder is implemented directly with a Synchronous Torque Motor drive in a close-loop system without conventional control valves and oil tank. In relation to this, hydraulic accumulator is employed as a replacement of the conventional
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Štefane, Matevž, and Darko Lovrec. "Modern control system for servo hydraulic linear drive." In International conference Fluid Power 2017. University of Maribor Press, 2017. http://dx.doi.org/10.18690/978-961-286-086-8.8.

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Ruan, Xiao, Weiguo Zhu, and Chi Zhang. "Design and Calculation of Hydraulic System for Full Hydraulic Drive Paddy Field Transplanter." In 2nd International Conference on Computer Engineering, Information Science & Application Technology (ICCIA 2017). Atlantis Press, 2017. http://dx.doi.org/10.2991/iccia-17.2017.166.

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Hertz, Rasmus A., Ole Therkelsen, Søren Kristiansen, Jesper K. Christensen, Frederik A. Hansson, and Lasse Schmidt. "Control of Hydraulic Injection Moulding Machine With Electro-Hydraulic Variable-Speed Drive." In ASME/BATH 2023 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/fpmc2023-111497.

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Abstract In this work an industrial hydraulic injection moulding machine, is retrofitted with a electro-hydraulic variable-speed drive. The focus is placed on the injection cylinder, where the design of the hydraulic system is realized with standard components. The design is based on two permanent magnet synchronous motors connected to two fixed displacement pumps, allowing the control of the injection cylinder without the need for valves in the flow path, removing the dynamic influence of a valve and reducing throttle losses. The controller structure is designed from a model-based approach, w
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Shvyriov, A., S. Shvyriov, A. Latinin, and E. Astakhova. "FEATURES OF SEASONAL CAR OPERATION WITH HYDRAULIC DRIVE." In DEVELOPMENT PROSPECTS, INNOVATIONS AND INFORMATION TECHNOLOGIES IN TRANSPORT. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2024. https://doi.org/10.58168/dpiitt2024_221-225.

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The article provides a brief description of the classification of volumetric hydraulic drives. The advantages and disadvantages of hydraulic drives are considered. The method of non-contact (remote) determination of the quality of the working fluid (hydraulic oil) of the hydraulic system is proposed. Studies have been conducted simulating the operation of a volumetric hydraulic drive in different seasonal conditions.
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van Binsbergen-Galán, Mikkel, and Lasse Schmidt. "Determination of Load Collective for Sizing of a Hydraulic Drive Network System Considering Simultaneity Between Actuator Loads." In ASME/BATH 2023 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/fpmc2023-109823.

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Abstract Designing and sizing the drive system for a multi-actuator machine controlled by a human driver, the drive system requirements are difficult to define. In this case it may be most sensible to size the drive system based on measurements from an existing and similar machine in the same size class, but possibly with a different drive topology. However, this poses two main challenges. First, the measurements likely contain dynamics from interactions with the surroundings. Secondly, the measured motion is influenced by the drive characteristics of the test machine as well as imperfect driv
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Reports on the topic "Hydraulic drive system"

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Griffin, Aaron, and Matthew Murray. Helical anchor installation with the High Mobility Engineer Excavator : proof-of-concept testing. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49215.

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Proof-of-concept testing was conducted to determine the viability of helical anchor installation using the US Army’s High Mobility Engineer Excavator (HMEE). To facilitate the proof-of-concept test, a new hydraulic hose kit was designed that connects the Bridge Supplemental Set (BSS) drive motor to the HMEE’s auxiliary hydraulic system. Additionally, a steel mount was fabricated that provided means to attach the BSS drive motor to the boom of the HMEE. Testing indicated the HMEE can successfully install the BSS anchors with the required hardware, but the vehicle’s large footprint will likely i
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Robinett, Fred. PR-471-14207-R01 Development of Field Pump Performance Testing Procedure. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010037.

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Performance testing pumps in the field can be challenging and even more complicated when the pump is in crude oil pipeline service. Pumps installed in crude oil pipelines normally do not meet the basic requirements set forth in typical pump testing standards, additionally crude oil fluid properties are irregular, thus making it difficult to obtain the desired accuracy for proper evaluation and comparison to factory tests. All inconsistencies need to be evaluated and reconciled to successfully field performance test pumps pumping viscous fluid. The objective of this project is to develop a prac
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Goth, Nolan, Jorge Navarro, Chris Bryan, Chad Denbrock, Robert Wahlen, and Terry Grimm. Preliminary Thermal-Hydraulic Analysis of the UTA–2 Subcritical Linear Accelerator–Driven System. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1923205.

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Snyder, Victor A., Dani Or, Amos Hadas, and S. Assouline. Characterization of Post-Tillage Soil Fragmentation and Rejoining Affecting Soil Pore Space Evolution and Transport Properties. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580670.bard.

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Tillage modifies soil structure, altering conditions for plant growth and transport processes through the soil. However, the resulting loose structure is unstable and susceptible to collapse due to aggregate fragmentation during wetting and drying cycles, and coalescense of moist aggregates by internal capillary forces and external compactive stresses. Presently, limited understanding of these complex processes often leads to consideration of the soil plow layer as a static porous medium. With the purpose of filling some of this knowledge gap, the objectives of this Project were to: 1) Identif
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