Application note - High accuracy force control

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Abstract
ETEL’s force control feature is specifically designed to maximize throughput and precisely manage the contact force of diverse motion axes. The main benefits are such as: zero stop time, sensorless capability, and precise force control in sub-Newton range. 

The force control algorithm developed by ETEL S.A. uses the AccurET computation power to allow fast and smooth transition from position to force control. The landing behavior is controlled to prevent overshoot while maintaining maximum dynamics.

Force control feature
Thanks to a single and simple high level command, ETEL’s AccurET force control algorithm generates:
• Fast approach move,
• Zero stop time from position to force control,
• Automatic contact detection,
• Force overshoot control,
• Robust control toward changing substrate position uncertainty.

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