An eccentric rotating mass (ERM) are small magnetic motors that spin an unbalanced weight to produce vibrations known as haptic feedback. ERMs are one of the market’s most common types of actuators, and they are the oldest haptic actuators.
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An eccentric rotating mass (ERM) are small magnetic motors that spin an unbalanced weight to produce vibrations known as haptic feedback. ERMs are one of the market’s most common types of actuators, and they are the oldest haptic actuators.