Load Emulation with Independent Metering for a Pump Test Bench

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Abstract
For the investigation of new types of internal gear pumps under realistic conditions, a test bench is presented that enables dynamic load emulation via the pressure with simultaneous dynamic speed control of the pump. For pressure control, a hydraulic half-bridge with separate control edges is used on both sides of the pump and a pressure control is presented. An error-based adaptive controller is used for pressure control and tested experimentally. It is shown that the error-based adaptive controller has a better performance compared to a simple PID control.
Funding Information
  • European Regional Development Fund (EFRE) (TBI-V-1-431-VBW-146)

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