Improving The Performances Of Sprinkling Machinery
Electronic circuits
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The use of electronic regulators, in order to correlate the working parameters at sprinkling machines requires a study to assess the performances of the regulation process in working conditions. Given that the parameters to be correlated are physical sizes, the equipment must be fitted with appropriate sensors, to perform the conversion into electrical sizes. Processing the input information, present in the form of electrical voltages it can be achieved only by a specialized circuit, of comparator type. To operate properly the liquid flow control valve, this circuit will have to generate diffe...
The use of electronic regulators, in order to correlate the working parameters at sprinkling machines requires a study to assess the performances of the regulation process in working conditions. Given that the parameters to be correlated are physical sizes, the equipment must be fitted with appropriate sensors, to perform the conversion into electrical sizes. Processing the input information, present in the form of electrical voltages it can be achieved only by a specialized circuit, of comparator type. To operate properly the liquid flow control valve, this circuit will have to generate different commands, in the form of electrical signals. Having low values, these signals are not at the required level to operate the electric motor, used for actuating the control valve. Therefore it is necessary to amplify them to an appropriate level, by a power amplifier. The amplifier must be able to put the motor rotor in short-circuit mode, with the cancellation of each adjustment command. This mode of operation ensures a strong braking and a stoppage almost instantaneous of the rotor. This fact has favorable consequences on accuracy of flow adjustment.
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