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Relevant bibliographies by topics / Hydraulic valve design / Dissertations / Theses

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Dissertations / Theses on the topic 'Hydraulic valve design'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Markonda, Raviteja, and Pratikchandra J. Vasava. "IMPROVED DESIGN FOR HYDRAULIC VALVE AND HYDRAULIC VALVE TESTING RIGIMPROVED DESIGN FOR HYDRAULIC VALVEAND HYDRAULIC VALVE TESTING RIG : DESIGN AND PRODUCT DEVELOPMENT." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-29534.

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The hydraulic testing rig is a machine that is used to test the hydraulic valves.The present testing rigs are used according to only some particular specification, but in ourproject we have developed a process and implemented the idea for building a UniversalHydraulic Testing Rig which can be able to test any kind of valves with simple adjustments.The hydraulic valves are mainly designed to carry out the flow of the hydraulic fluid with thedesired pressures. But it is observed that there are many pressure losses in the flow whichleads to the unreached flow pressures as expected. In a pre-proje

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2

Katz, Allan A. "Design of a high speed hydraulic On/Off valve." Worcester, Mass. Worcester Polytechnic Institute, 2009. http://www.wpi.edu/Pubs/ETD/Available/etd-052909-155248/.

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Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: high speed hydraulic valve; switch-mode control; On/Off valve; phase controlled duty ratio. Includes bibliographical references (leaf 80-81).

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3

Paterson, Alan Stanley. "The development of an expert system to facilitate the synthesis and analysis of hydraulic directional control valves." Thesis, De Montfort University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253485.

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4

Håkansson, Mikael. "Integration and optimization of a check valve design : A case study at Hydroware AB." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-99199.

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Constant product development for integration and optimization is a crucial part of companies today. With industrial components comes the challenge with how these parts can be integrated and optimized the best for the system. One example is a hydraulic elevator system, to integrate and optimize the design, the rest of the valve system has to be taken into consideration. This thesis contains the integration and optimization of a check valve solution designed with the help of the product development process in hopes of reducing costs for the manufacturing process for the company. The thesis resul

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Persson, Johan. "Design and control of piezoelectric actuation for hydraulic valves." Thesis, University of Bath, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760941.

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Servohydraulic systems are widely used for actuation where high force and fast response are needed, and the servovalve is the type of control valve which provides the highest performance for such systems. In aerospace, servovalves are used for many safety critical systems, such as flight control, steering and braking. However, during the last fifty years the conventional two stage servovalve design for aerospace applications has hardly changed. Due to the desire for increased energy efficiency, there is a need to make valves more efficient and lighter. A new type of servovalve for aerospace ap

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6

Bílek, Martin. "Akumulace energie v systémech TZB." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226852.

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The subject of this thesis is energy storage systems in building services. In the first part the theoretical acquaintance with the nature of energy storage. In the second part has two variants preparation hot water in an apartment building. In the third part of the test solution storage tank of hot water. Development of computational algorithms, comparison of calculation used and the final summary.

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7

Okhotnikov, Ivan. "Design and performance evaluation of a rotary flow control valve for independent metering hydraulics." Thesis, Bournemouth University, 2018. http://eprints.bournemouth.ac.uk/31282/.

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Off road heavy machinery is the second largest contributor to air pollution in terms of the levels of fossil fuel consumption after road cars. This is partly attributed to inefficient power hydraulic systems used to drive these machines’ tools or instruments. A relatively recent idea of an independent metering technology has become a major topics in improving efficiency, reducing fuel consumption and saving energy. Current research and development of independent metering applied to fluid power systems enables energy recuperation capabilities of hydraulics. However, actual industrial implementa

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8

Larson, John P. "Design of a Magnetostrictive-Hydraulic Actuator Considering Nonlinear System Dynamics and Fluid-Structure Coupling." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1402566309.

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9

Absalyamova, Viktoriya. "Energy Analysis within Industrial Hydraulics and Correspondent Solar PV System Design." Thesis, Högskolan Dalarna, Maskinteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:du-5099.

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Energy efficiency and renewable energy use are two main priorities leading to industrial sustainability nowadays according to European Steel Technology Platform (ESTP). Modernization efforts can be done by industries to improve energy consumptions of the production lines. These days, steel making industrial applications are energy and emission intensive. It was estimated that over the past years, energy consumption and corresponding CO2 generation has increased steadily reaching approximately 338.15 parts per million in august 2010 [1]. These kinds of facts and statistics have introduced a lot

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10

Bodin, Erik, and Henric Davidsson. "Model-Based Design of a Fork Control System in Very Narrow Aisle Forklifts." Thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138049.

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This thesis explains the model-based design of a fork control system in a turret head operated Very Narrow Aisle forklift in order to evaluate and push the limits of the current hardware architecture. The turret head movement consists of two separate motions, traversing and rotation, which both are hydraulically actuated. The plant is thoroughly modeled in the Mathworks softwares Simulink/Simscape to assist in the design of the control system. The control system is designed in Simulink/Stateflow and code-generated to be evaluated in the actual forklift. Optimal control theory is used to genera

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11

Seung, Taehun. "Holistic-Lightweight Approach for actuation systems of the next generation aircraft." Universitätsverlag Chemnitz, 2017. https://monarch.qucosa.de/id/qucosa%3A34400.

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Currently the system development of aircraft engineering concentrates its focus on the reduction of energy consumption more than ever before. As a consequence, the efficiency of subsystems inside the aircraft is highlighted. According to previous investigations the simplification/unification of conventional multifaceted board energy systems by means of electric power management is the most promising way concerning aircraft global efficiency improvement. The main aim of the present work was to optimize a multi-device, heavy duty EHA-System by introducing of a comprehensive perspective. In order

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12

Cai, Ming-syuan, and 蔡名軒. "Design of the Energy-Saving Hydraulic Solenoid Valve and Cartridge Valve." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/14581503901617024472.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>99<br>Hydraulic components and systems can be found in many industrial fields, like the mobile equipments, automation machinery, etc. Recently, green technology has been attracting the attention of many researchers around the world. In the field of fluid power, many new ideas have been proposed to increase the energy-saving efficiency during past few years. The aim of this research is to develop a brand new energy-saving hydraulic solenoid valve and cartridge valve. As a first step, a traditional solenoid valve and logic valve are chosen and a mesh-system are crea

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13

Chiang, Chi-Wen, and 江啟聞. "The design of throttleless hydraulic-controlled variable valve system." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/6ge397.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>99<br>To overcome the traditional scooter structure of intake valve system, this research designs the new structure, which valve lift is controlled by hydraulic pressure. The new structure has different valve lift, and traditional structure only has one valve lift. Therefore, this new design has multi-valve lift. In order to achieve effects on different valve lift, the hydraulic pump design is different than the pump out on the market. We can use the hydraulic pump to control the different amount of hydraulic oil by the coordination between column tube and colum

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14

Jalayeri, Ehsan. "Design and experimental evaluations of a pump-controlled hydraulic circuit." 2016. http://hdl.handle.net/1993/31143.

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This thesis presents a novel, low cost, high precision , and efficient design for an electro-hydrostatic circuit for single rod hydraulic cylinders. The design is the main contribution of candidate to fulfill the regiments of PhD degree. The challenge of existing deigns of electro-hydrostatic circuits for single-rod cylinders is using one pump to control the cylinder under switching (resistive-assistive) loads. The proposed circuit utilizes off-the-shelf industrial elements. It uses two counterbalance valves to manage switching loads and one on/off solenoid valve to redirect the differential f

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15

Ma, John S. "Design and development of a high-speed, high-flow, three-way hydraulic valve." 2004. http://catalog.hathitrust.org/api/volumes/oclc/56827417.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2004.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 188-191).

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16

Zi-YanTseng and 曾子彥. "Design and control of micro hydraulic servo valve driven by moving coil linear motor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/nd493t.

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17

Chih-HsiangChen and 陳祉翔. "Design and Control of a hydraulic servo valve driven by voice coil linear motor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/84113245625447738983.

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18

Wu, Zun-Min, and 吳俊民. "Design and analysis of an open-loop P/Q hydraulic proportional valve with integrated amplifier." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/05926799339894391918.

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19

Jiunn-Min, Wu, and 吳俊民. "Design and Analysis of an open-loop P/Q hydraulic proportional valve with integrated amplifier." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/14148964646507769708.

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碩士<br>國立雲林科技大學<br>機械工程技術研究所<br>86<br>The purpose of this paper is to design and analyze an open-loop P/Q hydraulic proportional valve with integrated amplifier. Two major areas in this paper are summarized as follows: First, a CAD simulation program will be developed to design and analyze theconfiguration and dimension of the spool which meets the requirements of P/Qcontrol.Futhermore,a valve-controled cylinder will also be established to evaluate the performance of the designed valve. Second,an unipolar current amplifier will be designed such that it can bedirectly intergrated into the va

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20

Chien-MingLai and 賴建名. "A Study of Design and Control on Hydraulic Control Valve Drive by Piezoelectric Stack Actuator." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/23695656812268206252.

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碩士<br>國立成功大學<br>機械工程學系<br>102<br>Performance of the hydraulic system mainly depends on various hydraulic valves, pumps and hydraulic motors and other components of the system. Therefore, to improve the performance of hydraulic control components has been the primary goal of hydraulic engineers. The objective of this study is to design and manufacture direct drive hydraulic control valve driven by piezoelectric actuator. Replace the traditional common proportional solenoid, torque motors, to do for electricity - machine transducer. The design contains the leverage with the role of guiding the d

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21

McPherson, David. "An Integrated Design Approach for Pipelines and Appurtenances Based on Hydrodynamic Loading." Thesis, 2013. http://hdl.handle.net/1807/43665.

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Water and wastewater conveyance research is steeply based in advancements of numerical methods and models. Design engineers need more than refinements in analysis methods to evolve the standards of practice and the related design guidelines. In an effort to improve the design efficiency and operating reliability of pipeline systems, design guidelines have been developed to enfold the various technological advancements and elevate the standard of care used in the pipeline design process. In this respect, the guidelines have been successful. However, design engineers, manufacturers, and owne

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22

Shiu, Jeng Liang, and 徐正亮. "A Study on Moving-Coil Electro-Mechanical Transducer Using Finite Element Method and Its Application to Hydraulic & Pneumatic Valve Design." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/30141686058295447948.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>90<br>The application of moving-coil electro-mechanical transducer on hydraulic & pneumatic valves is still in research stage at present. Relatively, the proportional solenoid is generally used in hydraulic & pneumatic valves design. It has, however, the disadvantages of slow response and expensive. Therefore we expect that the moving-coil electro-mechanical transducer is a better one to be used to design the hydraulic & pneumatic proportional valves because of the advantages, such as faster response and constant output force. The purpose of

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