Monika ivantysynova, maha professor fluid power systems. Asmebath 2019 symposium on fluid power and motion control program conference october 79, 2019 zota beach resort. Many industries utilize axial piston machines for the compact design, highoperating pressures, variable displacements, and high efficiencies that faroutweigh the machines manufacturing costs. The performance and efficiency of hydraulic pumps and motors a. She wrote a book on hydrostatic pumps and motors, has published more than 200 papers in technical journals and at international conferences. Pressure compensated vane pumps are an excellent solution for supplying hydraulic power with minimal waste in many automotive applications. Maha professor fluid power systems, purdue university. Technologies and innovations for hydraulic pumps qucosa tu. Hidrostaticni pogoni the piston cylinder assembly in pi. Hydraulic drive systems, control equipment, engines, motors, safety, closed loop systems, cylinders, electric motors, electric propulsion, feedback investigations on pulsationreduction characteristics of hydraulic attenuator based on experimental method. Maha fluid power research center purdue university mechanical.
Monika ivantysynova at purdue university monika ivantysynova. Simplified hydraulic circuit of a displacement controlled excavator. Hydrostatic pumps and motors, principles, designs, performance, modeling, analysis, control and testingm. Ivantysynovas work has been recognized with several awards. Hydraulic pumps and motors are also mechanical devices, with many moving parts. Fuel savings through advanced fluid power systems by monika ivantysynova, 3rd annual purdue systems integrity for defense technology summit 2010, purdue university, march 30. Its time to rethink fluidpower research hydraulics. Jaroslav ivantysyn and monika ivantysynova,2001, hydrostatic pumps and motors, akademia books international, isbn 8185522162.
Pistonbypiston control of pumps and motors using mechanical methods research team project leader. Monika was born on december 11, 1955 in polenz, germany. Replacing the gearbox with a hydrostatic transmission has the potential. An electrohydraulic pressure compensation control system. Seeniraj and ivantysynova 25 focus on the importance of valve plate design. When did you start working on the field of hy draulic pumpsmotors and what was the reason for. The derivation was made in cylinder pressure transients in oil hydraulic pumps with. Fpmc2018, september 1214, 2018 presentation peter achten.
Modeling and optimization of piston pumps and motors by monika ivantysynova, 52nd national conference on fluid power. Positive displacement machines working as hydraulic pumps or hydraulic motors have. Buy hydrostatic pumps and motors book online at best prices in india on. An electrohydraulic pressure compensation control system for an automatic transmission supply that promises improved pressure response times over the baseline architecture is discussed. Professor monika ivantysynova passed away august 11.
The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially. The different displacement machines can be classified by the mechanical element on which pressure acts and which causes. Hydraulic hybrids rely on variable hydraulic pumpsmotors to continuously convert between. Our current hydraulic pumps and motors have a relatively poor efficiency for two major reasons. Principle, design, performance, modeling, analysis. Centrifugal pumps are commonly used to move liquids through a piping system. I want to thank my supervisor professor monika ivantysynova for her support. Torque ripple attenuation for an axil piston swash plate. How fluids affect pump performance hydraulic components and the hydraulic fluid work. Selection and application for hydraulic power control systems fluid power and control lambeck, raymond p. Industry surprised to hear of wellknown fluid power researchers. Monika ivantysynova 19552018 mechanical engineering.
Monika ivantysynova design and modeling of fluid power systems, me 597abe 591 2 axial piston pump design solutions swash plate and bent axis radial piston pumps and motors piston support gear pumps internal and external axial and radial gap compensation vane pumps advantage and disadvantage of this design displacement machines study. And it tries to provide the opportunity to recognize that our careers evolve. Electric motors, hydraulic pumps, simulation, hydraulic equipment, testing, engines, generators, hardware, motors bond graph modelling and energy flow analysis of a reach stacker thomas schaep, wilfrid marquisfavre, eric bideaux, eric noppe, pierre rodot, jeanchristophe bernigaud, vincent langlois. Monika ivantysynova was born in 1955 in polenz, germany.
Ivantysynova has shown how to dramatically improve the efficiency of hydraulic pumps and motors in heavy construction equipment and reduce the machinerys fuel consumption. Suggested valve specifications are determined through calculations. Noise considerations a dissertation presented to the faculty of the graduate school university of missouri columbia in partial fulfillment of the requirements for the degree of doctor of philosophy in mechanical engineering by viral mehta. Analysis, design, and control offers a comprehensive mechanical analysis of hydrostatic machines and presents meticulous design guidelines for machine components. Theaim of this research is to develop a design methodology generalizable to alltypes of valve plates.
Session 7 hydrostatic pumps and motors 1 noah manring tuesday oct 8. Principle, design, performance, modeling, analysis, control and testing. Hydrostatic pumps and motors by monika ivantysynova. Proceedings of the asme 2006 international mechanical engineering congress and exposition. Detailed diagrams and useful formulas are included throughout. Pdf the determination of the theoretical stroke volume. Prediction of case temperature of axial piston pumps chalmers. Next steps towards virtual prototyping of pumps and motors.
Ivantysynova, monika, 1955, ivantysyn, jaroslav, 1940, isbn. Caspar calculation of swashplate type axial piston pumpmotor is a. Ccefp summit at purdue in honor of monika ivantysynova. Their combined citations are counted only for the first article.
Research direction and projects from the center for. This paper focuses on the mathematical modeling of axial piston pump through dividing the failure development of friction pair into lubrication, mixed lubrication and abrasion. Ccefp researcher monika ivantysynova helped parker hannifin develop a hybrid hydromechanical transmission. Declaration of conformity dta hydraulics is a tradename of damen technical agencies bv, supplying hydraulic parts to various. After completing her phd at the technical university of bratislava in 1983, she worked for seven years in industry, gaining expertise in hydraulic systems and component design, modeling and system simulation, and in the development of hydraulic pumps and motors. Hydrostatic pumps and motorsprinciples, design, performance, modelling, analysis, control and testing by ivantysyn jaroslav unknown, published 2001. Considering the rough peak of valve plate, the contact load. In many machines more than 50% of the energy is transferred into heat. Hydraulic pumps hydraulic motors hydraulic valves hydraulic cylinders hydraulic filtration hydraulic accumalators mobile hydraulic pumps t6dm, t6dp denison vane technology. The main focus of this paper is the piston cylinder assembly of desi.
In such an environment the lower efficiency of the pumps. In lieu of reliable scaling rules, hydraulic pump and motor manufacturers pay a high. Hydraulic hybrids, displacement control, pole placement. Volume 2 center for compact and efficient fluid power. Hydrostatic pumps and motors highpressure hydraulic pumps have a fixed displacement that is they generate a fixed volume of fluid per revolution so that operating at a fixed speed produces a constant flow.
Hydraulic fluid power positive motors and integral transmissions steadystate performance. Directing to the wedgeshaped oil film between cylinder block and valve plate, the support force distribution under the temperature variance was obtained. To make the right choice, a variety of fluid properties must be considered, along with other factors such as operating parameters, system requirements, environmental conditions, and regulations. The high performance t6 series fixed displacement vane pumps have been specially designed to provide high flows within a small envelope. Maha fluid power research center purdue university. For all axial piston machines,the valve plate functions as an essential determinant of performance. Experimental analysis,to appear in journal of mechanical science and technology. Hydrostatic pumps and motors, principles, designs, performance, modelling. Computational valve plate design in axial piston pumpsmotors.
Multiactuator hydraulic hybrid machine systems monika ivantysynova, purdue university 1b. Displacement control strategies of an inline axialpiston unit diva. Heonsul jeong, 2006, a novel performance model given by the physical dimensions of hydraulic axial piston motors. Figures 7 and 8 show how the measured performance of pumps and motors are presented for use with a particular fluid at a particular viscosity.
Hydraulic pumps hydraulic motors hydraulic valves hydraulic cylinders hydraulic filtration hydraulic accumalators mobile hydraulic pumps t6ccm, t6ccp, t6ccmw denison vane technology. This paper summarizes the main contributions of researchers and engineers to the discovery of physical phenomena defining the fluid film properties and the operational conditions of the piston cylinder interface in hydrostatic piston machines. All hydraulic pumps and motors work according to the displacement principle described in the chapter hydraulic displacement technologies. High pressure and speed capabilities, extremely low noise, and a cartridge designed to prime in cold weather conditions.
136 404 1264 1501 639 952 566 536 849 908 102 121 1044 822 974 1460 1079 702 913 1291 1244 995 261 778 2 1556 1320 1002 708 633 1455 908 1121 682 682 1458