session-6-6-karl-kaeser-
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Soluton<br />
• Protected startup<br />
mode<br />
• Collision detecton<br />
by monitoring:<br />
▫ rotatonal speed<br />
▫ motor torque/electric current<br />
▫ rotor positon<br />
• Emergency cutof<br />
if threshold exceeded /<br />
underrun<br />
• Transiton to normal<br />
operaton mode if disk<br />
area reliably detected clear