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In order to reduce the voltage source type inverter output voltage distortion which caused by dead zone, we analyze the reason of dead zone, then sum up three reasons, list the calculation formula of error voltage which applied to induction motor vector control, finally compensate the dead zone by adding error voltage to inverter. Firstly, calculate the relationship between error time and error current...
Pulsed gas metal arc welding is an important welding process in advanced manufacturing technology, which makes conventional welding process a finely controllable process. However, this process demands a synergic setting up of pulse parameters in order to retain optimal transfer of droplets which depends on experimental data under various conditions, while the stability of arc length is necessary but...
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