Academic literature on the topic 'Hydraulic position control'

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Journal articles on the topic "Hydraulic position control"

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MA, Weidong, Shigeru IKEO, and Kazuhisa ITO. "Position Control of Hydraulic Cylinder Using Hydraulic Transformer." Transactions of the Japan Society of Mechanical Engineers Series C 70, no. 694 (2004): 1758–63. http://dx.doi.org/10.1299/kikaic.70.1758.

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Szakács, Tamás, and Naim Khalifa. "Pneumatic Piston Control Optimization." Journal of Physics: Conference Series 2848, no. 1 (2024): 012002. http://dx.doi.org/10.1088/1742-6596/2848/1/012002.

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Abstract Piston control can be applied to regulate position, speed, acceleration, and force. The primary distinction between pneumatic and hydraulic cylinders lies in the working fluid: hydraulic systems utilize practically incompressible fluid, whereas pneumatic systems use compressible gas. Consequently, hydraulic cylinders offer more precise control over position and speed. In contrast, pneumatic cylinders are more influenced by external loads. However, pneumatic systems are simpler, more cost-effective than hydraulic systems, and more commonly used in laboratories, workshops, and productio
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Yang, Yong, and Zhi Gang Zeng. "Position Tracking Control for Water Hydraulic Vane Actuator." Advanced Materials Research 591-593 (November 2012): 1673–76. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1673.

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The control of the water hydraulic vane actuator has direct influences on the performance of the water hydraulic system. In the paper, a variable structure control (VSC) has been proposed and applied to the position tracking control of a water hydraulic rotary actuator. Based on the model of the water hydraulic vane actuator, simulation experiments and comparisons have been done with VSC controller and PID controller, respectively. Simulation experiment results show that in position tracking control applications, the use of VSC as the controller of the system is able to improve the position tr
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KOSKINEN, Kari T., Esa MÄKINEN, Matti J. VILENIUS, and Tapio VIRVALO. "POSITION CONTROL OF A WATER HYDRAULIC CYLINDER." Proceedings of the JFPS International Symposium on Fluid Power 1996, no. 3 (1996): 43–48. http://dx.doi.org/10.5739/isfp.1996.43.

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Zhang, Yi, Hongyang Zhang, Kuidong Gao, Qingliang Zeng, Fansheng Meng, and Jingyi Cheng. "Research on Intelligent Control System of Hydraulic Support Based on Position and Posture Detection." Machines 11, no. 1 (2022): 33. http://dx.doi.org/10.3390/machines11010033.

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In the study of coal mining, the position and posture, the working status, and the straightness of the hydraulic support are critical to the safety of the coal mine. To detect and control the position of a hydraulic support, a model for solving the self-position and posture and a model for solving the relative position and pose of a hydraulic support based on the principle of three points determining a plane in space were established. Then, with the help of particle swarm optimization algorithm and Bang-Bang control algorithm, the hydraulic support position and the posture detection and contro
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Huang, Jianzhong, and Yuwan Cen. "Research on variable mass control of series manipulator based on linear active disturbance rejection control." Measurement and Control 53, no. 7-8 (2020): 1194–202. http://dx.doi.org/10.1177/0020294020922260.

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The series manipulator of the demolition robot has different working postures and large self-weight so that the bearing mass of the joint hydraulic cylinder is a variable value, and the change of mass affects the dynamic characteristics of the valve-controlled hydraulic cylinder system. In this paper, an equivalent mass estimation method of the big-arm joint hydraulic cylinder is given, and the natural frequency range of the big-arm hydraulic cylinder-load system is calculated. In order to suppress the influence of the change of the natural frequency and external disturbance of the hydraulic c
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Dai, Li, Yao Wu, Jian Wang, Yun Gong Li, and Yu Liu. "Modeling and Control of Flexible Hydraulic Robotic Arm." Advanced Engineering Forum 2-3 (December 2011): 334–39. http://dx.doi.org/10.4028/www.scientific.net/aef.2-3.334.

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Flexible hydraulic robotic arm is a complicated system which coupled by mechanics and hydraulics. It is widely applied in all kinds of large engineering equipments, such as concrete pump truck, bridge monitor truck, arm frame of crane, etc. The arm system of the hydraulic robotic arm is a multi-body system with redundant freedom, strong nonlinear, coupled with rigid and flexible characters. So it is of great theoretic value and real engineering significance to study the arm system of the robotic arm. In this theme, the movement of flexible hydraulic robotic arm and hydraulic cylinders are sepe
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He, Dongping, Tao Wang, Jun Wang, Zhongkai Ren, and Xiangyu Gao. "Research on the position–pressure cooperative control strategy for full-hydraulic leveler." Advances in Mechanical Engineering 10, no. 12 (2018): 168781401881739. http://dx.doi.org/10.1177/1687814018817392.

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The characteristics of electro-hydraulic servo system of full-hydraulic leveler are high speed, large inertia, high frequency response, and multi-degree of freedom. In order to improve the degree of automation of full-hydraulic leveler and achieve the simultaneous control between position and pressure, the position–pressure cooperative control strategy is presented in the article. In the working process, the dynamic working pressure signal of the hydraulic cylinder is turned into a real-time position signal by the pressure–position conversion gain and then compensates the converted signal into
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Huang, Zhipeng, Yuepeng Xu, Wang Ren, et al. "Design of Position Control Method for Pump-Controlled Hydraulic Presses via Adaptive Integral Robust Control." Processes 10, no. 1 (2021): 14. http://dx.doi.org/10.3390/pr10010014.

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This paper takes the position control performance of pump-controlled hydraulic presses as the research object. The control methods are designed respectively for the two motion stages of rapid descent and slow descent of hydraulic presses in order to improve the control performance of the system. First of all, the accuracy model of the pump-controlled hydraulic presses position servo system (the pump-controlled hydraulic presses position servo system, which is called PCHPS) and its MATLAB/Simulink simulation platform are established. Based on the theoretical analysis and experimental data, the
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Jiang, Wenguang, Pengshuo Jia, Guishan Yan, et al. "Dynamic Response Analysis of Control Loops in an Electro-Hydraulic Servo Pump Control System." Processes 10, no. 8 (2022): 1647. http://dx.doi.org/10.3390/pr10081647.

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An electro-hydraulic servo pump control system realizes the basic action of a hydraulic cylinder by controlling the servo motor, which effectively improves the problems of a traditional valve control system such as high energy consumption, low power-to-weight ratio, and poor anti-pollution ability. However, the static accuracy and dynamic performance of an electro-hydraulic servo pump control system are limited due to the electro-hydraulic coupling and flow nonlinearity. Based on this, in this paper, we establish a mathematical model of an electro-hydraulic servo pump control system. Starting
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Dissertations / Theses on the topic "Hydraulic position control"

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Clegg, Andrew C. "Self-tuning position and force control of a hydraulic manipulator." Thesis, Heriot-Watt University, 2000. http://hdl.handle.net/10399/512.

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Wu, Gang. "Adaptive position and force control of hydraulic robots, theory, simulation and experiments." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq23554.pdf.

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Nilsson, Johan. "Position Control of an Electro-Hydraulic Servo-Valve : IDENTIFICATION, MODELLING, CONTROLAND IMPLEMENTATION." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187655.

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Hydraulic drives, systems that use pressurized fluids as transmis-sion medium, have a wide range of applications are widespread in to-day’s industry. Like many other systems, hydraulic drives can get dra-matically improved performance by an appropriately designed feedback controller. Without any automatic control, these systems are often very difficult for a user to operate. Olsberg is a Swedish company specialized in hydraulic drives, pre-dominantly for cranes and other heavy machinery. Their product offer-ing includes completely mounted systems, where Olsbergs’ own electro-hydraulic valves are c
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Linjama, Matti, Mikko Huova, Otso Karhu, and Kalevi Huhtala. "High-Performance Digital Hydraulic Tracking Control of a Mobile Boom Mockup." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-199375.

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The automation of hydraulic mobile machinery, such as excavators, requires high performance control solutions. In hydraulics, this means fast and accurate force, velocity and position control of hydraulic cylinder. Especially the force control is known to be difficult with traditional servo valves. Fast digital hydraulic valves together with modern control solutions can overcome this problem. This paper uses a new force control solution, which is based on the fast digital hydraulic valves and model based control principle. The control solution is applied in a heavy axis mimicking dynamics of m
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Pomierski, Wojciech. "Position signal filtering for hydraulic active heave compensation system." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71095.

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In the paper a new position signal filtering method with position prediction is presented along with test results using a simulation tool. The complete active heave compensation system performance with input signal filtering is also shown. The control system uses an input acceleration signal taken from the motion reference unit, which usually contains noise that is not acceptable for the position controller. Currently, a Kalman filter is used which is okay to use for certain conditions. The filter works similarly to how it is used for autonomous applications where two input positions are neces
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Comella, Laura [Verfasser], and Thomas [Akademischer Betreuer] Bauernhansl. "Position sensor and control system for micro hydraulic drives in surgical instruments / Laura Comella ; Betreuer: Thomas Bauernhansl." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2019. http://d-nb.info/1206183993/34.

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Bastos, Nuno Ricardo Pereira. "Control of a servo-hydraulic platform using parallel kinematics for incremental forming." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14351.

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Mestrado em Engenharia Mecânica<br>SPIF-A is an innovative project about Gough-Stewart platform using parallel kinematics for incremental forming that is supported by different fields of engineering. It is a long term work composed by a professional team that includes professors, students and researchers fancying to improve and contribute for scientific knowledge. Incremental forming is emerging due to its useful advantages, highlighting the high-speed machining. The objective is the control of a Gough-Stewart platform, planning and execution of G-code trajectories. Thereunto, a state-
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Hoferek, Martin. "Řízení proporcionálního hydraulického ventilu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316385.

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The thesis deals with design and implementation of proportional hydraulic valve, which will be integrated to hydraulic system of small hydro in Rájec - Jestřebí. This valve will be used to control one of the wicket gates of double Francis turbine. The thesis is processed for the company Mavel a.s., which is the owner of SH. The goal of this thesis is to create control of the valve according to the client's requirements, its implementation to the control system and commissioning.
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Jesus, Sidney Nogueira Pereira de. "Controlador de posição linear hidro-pneumático." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3151/tde-30052008-125213/.

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Nessa pesquisa é apresentada uma inovação tecnológica em aplicações de controle de posição em máquinas e/ou dispositivos: o Controlador de Posição Linear Hidro- Pneumático. Para os casos nos quais têm-se grandes esforços combinados com pequenos deslocamentos, normalmente esse trabalho é feito com o uso de Sistemas Servo-Hidráulcos nos quais, devido às características mencionadas do nicho de mercado visado pela presente proposta, representam um custo elevado quando comparado com a solução Hidro-Pneumática aqui descrita. Salienta-se a simplicidade da infra-estrutura requerida para a instalação d
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Korsa, Filip. "Revitalizace testeru regulace hydraulických obvodů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230422.

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High-quality simulation of hydraulic mechanism saves the time and other costs associated with the changes of inappropriately designed circuit. The aim of this thesis is to revitalize the test rig intended for simulating hydraulic circuits in order to verify the results of the simulation program Hyvos used internally by Bosch Rexroth Company. It is expected that the simulation of the hydraulic machinery cycles under the influence of disturbances will be carry out on the test rig and measured data are compared with results of the virtual models which are designed using the mentioned software Hyv
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Book chapters on the topic "Hydraulic position control"

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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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Yang, Mingxing, Yaxing Lu, Yulei Xia, and Kaiwei Ma. "Adaptive Sliding Mode Control for a Hydraulic Position Servo System." In Communications in Computer and Information Science. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7946-0_2.

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Tran, Ngoc Hai, Quang Bang Tao, Tan Tien Huynh, Xuan Tuy Tran, and Nhu Thanh Vo. "Modeling of Position Control for Hydraulic Cylinder Using Servo Valve." In Intelligent Information and Database Systems. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75420-8_65.

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Verdés, Ramón I., Alejandra Ferreira de Loza, Luis T. Aguilar, Ismael Castillo, and Leonid Freidovich. "Accurate Position Regulation of an Electro-Hydraulic Actuator via Uncertainty Compensation-Based Controller." In Emerging Trends in Sliding Mode Control. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8613-2_12.

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Wang, Haiyan, Aishu Li, Baocheng Zhan, and Jiani Ma. "Observer based Nonlinear High Order Sliding Mode Electro Hydraulic Position Robust Control." In Lecture Notes on Data Engineering and Communications Technologies. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-0211-7_15.

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Kang, Yuan, Ming-Hui Chu, Yuan-Liang Liu, Chuan-Wei Chang, and Shu-Yen Chien. "An Adaptive Control Using Multiple Neural Networks for the Position Control in Hydraulic Servo System." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11539117_44.

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Lizhen, Liu, Li Qiang, and Nur Syazreen Ahmad. "Research on Synchronous Control of Double-Cylinder Electro-Hydraulic Position Servo System Based on Active Disturbance Rejection Control." In Proceedings of the 12th International Conference on Robotics, Vision, Signal Processing and Power Applications. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9005-4_27.

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Chen, Yuanliu, Anlin Wang, and Xiaotian Li. "Multidisciplinary Design Optimization of Excavator Positive Flow Control System." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_4.

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AbstractDue to the obstacle to the global optimal solution through the conventional sequential design, the multidisciplinary design optimization (MDO) of an excavator positive flow control system was carried out with hydraulic components and controller programs as design objects simultaneously. The positive flow control system model was established on the basis of bench and field tests to describe the coupling relationship among different subsystems. The comprehensive performance function was proposed and the MDO was carried out with the multiway valve’s throttling characteristics, positive fl
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"Analysis of an electro-hydraulic position control." In Fluid Power. CRC Press, 1993. http://dx.doi.org/10.4324/9780203223475-195.

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"Hydraulic servocylinder position control using a fuzzy logic controller." In Fluid Power. CRC Press, 1993. http://dx.doi.org/10.4324/9780203223475-82.

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Conference papers on the topic "Hydraulic position control"

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Kang, Hokwon, Jin Tak Kim, Sangsin Park, and Jungsan Cho. "Reinforcement Learning Based Position Control of 1-DOF Rotational Hydraulic Actuator." In 2024 24th International Conference on Control, Automation and Systems (ICCAS). IEEE, 2024. https://doi.org/10.23919/iccas63016.2024.10773295.

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Zhang, Xieli, and Damiano Padovani. "Model-Based Position Control of Energy-Efficient Electro-Hydraulic Linear Drives." In 2024 International Conference on Intelligent Robotics and Automatic Control (IRAC). IEEE, 2024. https://doi.org/10.1109/irac63143.2024.10871812.

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Wang, Yuchao, Yuanxun Fan, and Yi Wang. "Electro-Hydraulic Position Synchronous Servo System Based on Adaptive Sliding Mode Control." In 2024 International Conference on Advanced Control Systems and Automation Technologies (ACSAT). IEEE, 2024. https://doi.org/10.1109/acsat63853.2024.10823935.

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Zhang, Yunzhi, Micky Rakotondrabe, Zhao Feng, Yuchuan Zhu, and Jie Ling. "Position Servo Control Strategy for a Hydraulic Valve-Controlled Cylinder with a Digital Piezo-Actuator." In 2024 American Control Conference (ACC). IEEE, 2024. http://dx.doi.org/10.23919/acc60939.2024.10644875.

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Danaee, Siavash, Jarmo Nurmi, Tatiana Minav, Jouni Mattila, and Matti Pietola. "Direct Position Control of Electro-Hydraulic Excavator." In BATH/ASME 2018 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fpmc2018-8896.

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Position measurement in the electro-hydraulic systems is feasible via the utilization of physical sensors. An improvement in technology has led to the manufacturing of high accurate position sensors for direct position control. This paper proposes utilization of direct position control in an electro-hydraulic system with a new hydraulic zonal system architecture implemented with Direct Driven Hydraulics. It was mentioned in early study that this hydraulic system architecture as a replacement for the traditional valve-based hydraulic systems, has higher energy efficiency rate. In this study, th
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Pencelli, Manuel, Renzo Villa, Alfredo Argiolas, et al. "Accurate Position Control for Hydraulic Servomechanisms." In 36th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2019. http://dx.doi.org/10.22260/isarc2019/0034.

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Bonato, Carlo, Tatiana A. Minav, Panu Sainio, and Matti Pietola. "Position Control of Direct Driven Hydraulic Drive." In 8th FPNI Ph.D Symposium on Fluid Power. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpni2014-7823.

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This paper investigates directly driven hydraulic setup for non-road mobile machinery (NRMM) application. The purpose of this research is to utilize the excellent control capabilities of modern electric drives in electro-hydraulic systems, create direct drive position control for the hydraulic cylinder and verify the results by measurements. The control is implemented directly with a motor drive without conventional control valves. Speed and position of the double-acting cylinder is determined by in-coming oil flow from the pump, out-coming flow of hydraulic motor and angular speed of the elec
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Pasolli, Philipp, and Michael Ruderman. "Hybrid Position/Force Control for Hydraulic Actuators." In 2020 28th Mediterranean Conference on Control and Automation (MED). IEEE, 2020. http://dx.doi.org/10.1109/med48518.2020.9183305.

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Elton, Mark, Ryder Winck, and Wayne Book. "Command Feedback for Position Control of Hydraulic Machines." In ASME/BATH 2013 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fpmc2013-4460.

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Previous research has shown that operator performance of industrial machines is superior with position control rather than rate control, except for large-workspace and dynamically slow manipulators, which includes most hydraulic machinery. This paper describes an investigation to determine why position control leads to better performance than rate control except for with dynamically slow manipulators, in an effort to increase operator performance of mobile hydraulic equipment. It examines why dynamically slow systems are an exception to the general rule, and proposes a human-machine interface
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Konz, Matthew E., and Wayne J. Book. "Position/Rate Haptic Control of a Hydraulic Forklift." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55051.

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This paper discusses a haptic control strategy that can switch between position and rate control on the fly. When manipulating a remote device through teleoperation it is often desirable to complete tasks in position mode. This is because the slave is mimicking the motion of the master device (i.e. the human operator). Pure position control breaks down if the slave is a non holonomic device such as a forklift truck, earth moving vehicle or a skid-steer loader and the master has a holonomic robot with a finite workspace. In order to drive around, the forward motion must be controlled in rate mo
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Reports on the topic "Hydraulic position control"

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Regan, Jack, Julie Bryant, and Craig Weinschenk. Analysis of the Coordination of Suppression and Ventilation in Single-Family Homes. UL Firefighter Safety Research Institute, 2020. http://dx.doi.org/10.54206/102376/slzh7498.

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Prior full-scale research with the fire service was primarily designed to isolate specific tactics, most often either ventilation or suppression, which allowed researchers to develop science-based recommendations related to the specific components of fireground operations studied in relatively controlled conditions. The current project went beyond earlier research by conducting twenty experiments in eight acquired, single-family residential structures and that combined fireground tactics to quantify the impact of coordination between ventilation and suppression actions. This experimental serie
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Stakes, Keith, Keith Stakes, Julie Bryant, Nick Dow, Jack Regan, and Craig Weinschenk. Analysis of the Coordination of Suppression and Ventilation in Multi-Family Dwellings. UL Firefighter Safety Research Institute, 2020. http://dx.doi.org/10.54206/102376/ympj4047.

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The majority of the existing full-scale fire service research studied the impact of tactics on the residential fireground, specifically in single-family structures. This study builds upon prior research by conducting thirteen experiments in three-story, multi-family dwellings to quantify the impact of coordination between ventilation and suppression actions. Experiments were conducted in four, garden-style apartment buildings; each of which had two lower-level units, four first-floor units, and four second-floor units. The apartments shared a common stairwell that was enclosed for all of the e
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Dick, Warren, Yona Chen, and Maurice Watson. Improving nutrient availability in alkaline coal combustion by-products amended with composted animal manures. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7587240.bard.

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Hypothesis and Objectives: We hypothesized that coal combustion products (CCPs), including those created during scrubbing of sulfur dioxide from flue gases, can be used alone or mixed with composted animal manures as effective growth media for plants. Our specific objectives were, therefore, to (1) measure the chemical, physical and hydraulic properties of source materials and prepared mixes, (2) determine the optimum design mix of CCPs and composted animal manures for growth of plants, (3) evaluate the leachate water quality and plant uptake of selected elements from prepared mixes, (4) quant
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Dick, Warren, Yona Chen, and Maurice Watson. Improving nutrient availability in alkaline coal combustion by-products amended with composted animal manures. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7695883.bard.

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Hypothesis and Objectives: We hypothesized that coal combustion products (CCPs), including those created during scrubbing of sulfur dioxide from flue gases, can be used alone or mixed with composted animal manures as effective growth media for plants. Our specific objectives were, therefore, to (1) measure the chemical, physical and hydraulic properties of source materials and prepared mixes, (2) determine the optimum design mix of CCPs and composted animal manures for growth of plants, (3) evaluate the leachate water quality and plant uptake of selected elements from prepared mixes, (4) quant
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