A Coriolis Flowmeter Amplitude Adaptive Control Method Based on Fluid State Detection
A Coriolis flowmeter and adaptive control technology, applied in adaptive control, mechanical oscillation control, non-electric variable control, etc., can solve the problems of weakening the advantages of high precision, increasing system power consumption, and reducing the steady-state performance of amplitude control , to achieve the effects of improving reliability and measurement performance, improving dynamic response speed, and enhancing adaptability
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] The inventive method comprises the following steps:
[0026] 1) if figure 1 As shown, a fluid state detection device 2 is installed between the inlet end of the Coriolis flowmeter measuring tube 3 and the fluid pipeline 1 to detect the fluid state; as figure 2 As shown, the fluid state detection device 2 includes a liquid ultrasonic transmitter 2_2, a liquid ultrasonic receiver 2_3 and a threshold comparator 5. The liquid ultrasonic transmitter 2_2 and the liquid ultrasonic receiver 2_3 are respectively installed on both sides of the installation pipe section 2_1 symmetry, and the liquid ultrasonic The receiver 2_3 is connected to the threshold comparator 5; the threshold comparator 5 is connected to the single-chip microcomputer, the single-chip microcomputer is connected with a timer, the single-chip microcomputer is connected to the control ...
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