We describe a servo-controlled piston pump driven by a stepping motor. The analogue controller is a single non-linear second-order feedback loop with adjustable speed and acceleration limits. This system, designed to simulate slowly-moving, active and non-linear systems, can be used as a low (0-6.5 litre s-1) flow volume generator in calibration procedures.
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| http://dx.doi.org/10.1016/0141-5425(85)90042-1 | DOI Listing |
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