Abstract
This article deals with the problem of dynamic control of thermodynamic systems based on the Peltier element. The existing methods of relay and PWM control of this object are ineffective and subject the thermoelectric converter to gradual degradation due to transients during switching off and on of the element [1]. The model of a continuous regulator we have created will allow changing the characteristics of the system to determine its behavior for various environmental input parameters. And the use of systems based on continuous control will increase the energy efficiency of the thermoelectric converter and will increase its service life.
Highlights
The thermoelectric converter - Peltier element is currently causing great interest when creating small systems with automatic control of microclimate parameters
Our model allows us to determine the behavior of the system with various external factors and, if necessary, select the coefficients of the continuous controller for the dynamic control of the Peltier element
The mathematical model of the Peltier element can be obtained by the least squares method from the experimentally obtained data of the temperature difference depending on the current strength
Summary
The thermoelectric converter - Peltier element is currently causing great interest when creating small systems (with a small volume) with automatic control of microclimate parameters. Our model allows us to determine the behavior of the system with various external factors and, if necessary, select the coefficients of the continuous controller for the dynamic control of the Peltier element. The mathematical model of the Peltier element can be obtained by the least squares method from the experimentally obtained data of the temperature difference depending on the current strength. The heat exchange between the air and the storage structures will be described by the flow:.
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