Justifying parameters for the automatic servo control system of a rotary plate vacuum pump in the milking machine
DOI:
https://doi.org/10.15587/1729-4061.2022.262215Keywords:
milking machine, vacuum pump, vacuum pressure, vacuum fluctuation, servo controlAbstract
The scientific task to improve energy efficiency and ensure the process of vacuum regime stabilization in the operation of milking machines has been solved.
A mathematical model of the process of functioning of the servo control system of a rotary plate vacuum pump was built; the numerical modeling of its workflow was carried out.
This paper reports the results of experimental studies on the influence of the regime parameters of the rotary plate vacuum pump on the efficiency of its operation, as well as the results of experimental research on the servo control system for the rotary plate vacuum pump.
The operational process of the rotary plate vacuum pump HB-1200 for a milking machine was investigated. The influence of mode parameters (rotor speed n and vacuum pressure P) on the performance of the vacuum pump, Qa, vacuum pressure fluctuation, ΔP, and the power consumption of the vacuum pump drive, Np, has been determined.
The servo control system of the rotary plate vacuum pump was experimentally investigated based on the developed algorithms of its operation. In a generally accepted algorithm, vacuum fluctuation increases with increasing an airflow rate: at ΔQa=45 l/min – ΔP=2.3 kPa; at ΔQa=90 l/min – ΔP=4.6 kPa; at ΔQa=135 l/min – ΔP=6.4 kPa. Unlike the generally accepted one, the developed algorithm enables a stable vacuum mode with the largest vacuum fluctuation being ΔP=2.4 kPa.
For the first time, the functional dependence of the influence of the regime parameters of the rotary plate vacuum pump with its automatic servo control system on the stability of the vacuum regime of a milk-vacuum system in the milking machine was established.
The results can be applied when improving milking machines in terms of ensuring the stabilization process of the vacuum regime.
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Copyright (c) 2022 Elchyn Aliiev, Andriy Paliy, Viktor Kis, Andriy Milenin, Katerina Ishchenko, Anatoliy Paliy, Iruna Levchenko, Lyudmila Livoshchenko, Yevheniia Livoshchenko, Larisa Plyuta
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