Purdue ME 59700 - Design and Modeling of Fluid Power Systems (22 pages)

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Design and Modeling of Fluid Power Systems



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Design and Modeling of Fluid Power Systems

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Lecture Notes


Pages:
22
School:
Purdue University
Course:
Me 59700 - Advanced Mechanical Engineering Projects I

Unformatted text preview:

Design and Modeling of Fluid Power Systems ME 597 ABE 591 Lecture 12 Dr Monika Ivantysynova MAHA Professor Fluid Power Systems MAHA Fluid Power Research Center Purdue University SICFP 05 June 1 3 2005 Link ping Contents Classification of power supply systems Pump control systems Modeling of pump control Load sensing systems x xcom Dr Monika Ivantysynova 2 U Controller Design and Modeling of Fluid Power Systems ME 597 ABE 591 Classification of hydraulic actuators SICFP 05 June 1 3 2005 Link ping Dr Monika Ivantysynova 3 Design and Modeling of Fluid Power Systems ME 597 ABE 591 SICFP 05 June 1 3 2005 Link ping Overview pressure supply systems Fixed displacement pumps Flow source Pressure source x xcom Pressure controlled systems U Controller Variable displacement pumps Dr Monika Ivantysynova 4 14 Design and Modeling of Fluid Power Systems ME 597 ABE 591 SICFP 05 June 1 3 2005 Link ping Classification pump control systems Arten derOpen Verstellsysteme Verdr ngermaschinen and closedvon loop control hydraulische Verstellung Hydraulic control mechanische Verstellung Manual actuation elektrohydraulischeactuation Verstellung Electro hydraulic elektromechanische actuation Verstellung Electro mechanical EM Dr Monika Ivantysynova 5 15 Design and Modeling of Fluid Power Systems ME 597 ABE 591 Druckregelungen SICFP 05 1 3 2005 Link ping Pump June control Direktgesteuerte Regelung von Pumpen und Motoren Nullhubregelung Pressure compensated pump direct hydraulically operated controlled Ziel konstanter Systemdruck bei minimalen Leistungsverlusten Federkennlinie Spring 0 Q Q max Volumetrische Verluste f p Volumetric losses f p Dr Monika Ivantysynova 6 17 Design and Modeling of Fluid Power Systems ME 597 ABE 591 Axial piston pump force analysis SICFP 05 June 1 3 2005 Link ping FSK reaction force of swash plate Pump Mode y F RKy F K F SKy A z vK s FTG F TG ODP F TK F DK p F SKz ls2 ls1 AT F SK F K F aK y F RK fK A x 0 lK Slipper friction force d k2 Pressure force FDK AK p pe Inertia



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