A system and method for controlling a micro-pump.

摘要

A control system for a micro-pump comprising means for generating driving pulses for application to a piezo-electric element (7) for driving the pump, and charac-terised by means (200, 400) for controlling the discharge of fluid by the pump by selectively controlling the generation of the driving pulses, the control means comprising setting means (31, 403, 405) responsive to input driving pulse data for setting a value for a given characteristic of the driving pulses generated in a pre-determined driving period, and level selection means (30, 408) responsive to a switch input for selecting between fractional quantities of the set characteristic whereby to provide precise control of the discharge rate of the pump.