Abstract: Both phase-locked loop (PLL) and angle-tracking observer (ATO) are commonly used to obtain the information of rotor position and speed from resolver signals. However, they are faced with ...

The Roborock H60 Hub Ultra is perfect for allergy sufferers and people who never remember to empty their vacuum cleaner after ...

Promising review: "These gadgets are the best!!! Everyone in my family has one and I’ve given them as gifts. I don’t like ...