Art der Publikation  Konferenz
AutorenDr.-Ing. Christian Junge, Dipl.-Ing. Florian Senicar, Dr.-Ing. Ralf Wegener, Univ.-Prof. Dr.-Ing. Stefan Soter
TitelPressure Control of a Nonlinear System with a Linear-PMSM and a Standard Inverter.
KonferenzIEEE International Electric Machines and Drives Conference IEMDC 2009
OrtMiami (Florida)
AbstractThis paper deals with a high dynamic hydraulic pressure control. The pressure is generated by an inverter driven linear drive which applies a force on a hydraulic cylinder. The linear drive has to generate a pressure profile into the hydraulic system and has to keep it at a constant value after reaching the demanded pressure. The controlled system, containing hydraulic oil, dissolved air and overall three spring packs, is showing a highly non-linear characteristic. The control cascade of the inverter is based on a standard position control loop, which is enhanced by a PI based pressure controller, a dynamically adapted position feed-forward and an active anti-windup of the controller in order to provide optimal control behavior of the nonlinear system.


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