Improved Flow Rate and Pressure ANN Estimators for a Centrifugal Fan with Induction Motor Drive

Year 2024, Volume: 8 Issue: 3, 130 - 142, 30.09.2024

Cebrail Turkeri , Oleh Kiselychnyk

https://doi.org/10.30521/jes.1254552

Abstract

Energy saving control algorithms of centrifugal fans/pumps are based on the use of the frequency-controlled induction motor drives and pressure or flow rate sensors, the costs of which are comparable to the cost of the fans/pumps for low-power applications. The paper develops a new and simple estimation approach of the pressure and flow rate, utilising the measured Root Mean Square (RMS) value of the stator current, estimated motor’s input active power, reference stator voltage frequency and feed-forward backpropagation artificial neural network. The error percentage for both flow rate and pressure in experimental and estimated data is within the range of ±5%, which conforms to the ISO 13348 standard. A test rig for the rapid control prototyping of the fan is designed, and necessary design and test procedures are developed. The estimation approach is verified experimentally and demonstrates better estimation accuracy compared to the existing and possible similar simple approaches. The developed algorithm can be easily embedded into the industrial variable frequency drives without any hardware changes.

Keywords

Artificial Neural Network, Centrifugal Fan, Industrial Power Systems, Sensorless Industrial Application

Supporting Institution

The ministry of National Education of Turkish Government

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