CD Automation announced the distribution of Lumel’s RE92 temperature and process controller. The advanced dual loop controller is ideally suitable for the most demanding industrial control ...
The method involves changing the triple-loop cascade control to a dual-loop control architecture with an integrated outer loop for position and speed control and an inner loop for current control.
The schematic of a PMSM drive using a DTC-based speed loop PDFF controller is shown in Fig. 1. This DTC scheme is implemented in stator flux frame, which requires knowledge of stator flux in ...
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