Multi-shaft cooperative control method based on online compensation and used for high-accuracy liquid-phase pump
A control method and liquid-phase pump technology, which is applied in pump control, liquid displacement machinery, machine/engine, etc., can solve the problems of poor flow delivery consistency, large pulsation rate, and low flow accuracy
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[0048] A multi-axis collaborative high-precision liquid-phase pump control method based on online compensation. By monitoring and calculating the motor speed of the liquid-phase pump in different states, it ensures the coordination of multi-axis control of the liquid-phase pump and the fluid compressibility. Flow compensation and ultra-high pressure sealing, such as figure 1 As shown, the specific contents include:
[0049] (1) Assemble the high-precision ultra-high pressure liquid phase pump
[0050] The high-precision ultra-high pressure liquid phase pump is composed of two independent pump units, called A pump unit and B pump unit, which are respectively composed of two sub-pumps, called A-PRI sub-pump and A-ACC sub-pump respectively. pump, B-PRI sub-pump, B-ACC sub-pump. Among them, the A-PRI sub-pump is the main pump of the A pump unit, the A-ACC sub-pump is the auxiliary pump of the A pump unit, the B-PRI sub-pump is the main pump of the B pump unit, and the B-ACC sub-...
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