Abstract
This paper deals with the control efficiency analysis of the linear oscillating mechatronic device (linear oscillating synchronous motor–compressor). These mechatronic devices can be controlled by using thyristor control [1, 4], square-wave voltage [2, 3], ect. There is analyzed the case, when square-wave voltage pulses’ frequency is changed and so the piston stroke duration time is reduced. The control of piston stroke changes the energetic parameters of the mechatronic device. This type of controlling has one disadvantage – it needs a DC voltage source. The pulsating voltage control is based on thyristor control system and does not have the previously mentioned disadvantage, because uses the AC voltage source, but both control ways have influence to the energetic parameters due to higher harmonics. The analysis of the chosen mechatronic device (open-loop tests) is based on comparing the modeling and experimental results with respect to power losses, simplicity of the control, power factor and disturbances to the supply system. These results are important for the optimal design of the drive with oscillating synchronous pulsating current motors and the selection of control type for the different type of load.
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