DCL

Control systems,
made tangible.

Motion control, system identification and force control — modeled, measured, and validated on real machines.

Command Measured response
force control Machine Tested

Bonding Head Z-axis Force Control

Modeling and validation of a nonlinear contact-force loop for a bonding head Z-axis: unilateral contact model, friction compensation, and analysis of the delay between force command and displacement response.

Force range
5–10 kg
Sample rates
4 / 16 kHz
Response delay
~150 ms (observed)

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system identification Machine Tested

Gantry MIMO FRF Identification

Two-input two-output frequency-response identification of a gantry stage: linear and yaw excitation, 2×2 FRF matrix, coherence assessment, DAC input correlation and its impact on decoupling.

FRF matrix
2×2
Modes
Linear / Yaw

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