How do manufacturers address inaccuracies between nominal and actual robot paths? The answer lies in Robot-Cell Calibration, which identifies real-world deviations and compensates for them before deployment.
Step 1: Identification Phase
There are two ways to identify the Actual Parameters of a Robot-Cell:
Manual Measurement Use metrology tools to measure every parameter—accurate but time-intensive.
Mathematical Modeling (Preferred) Use a few key physical measurements from the cell and calculate actual parameters with specialized software.
Dynalog’s calibration process adopts the latter for speed and efficiency.
This involves:
Collecting static position measurements strategically placed throughout the Robot-Cell’s envelope,
Using software to compute the actual dimensional parameters from those points.
Step 2: Compensation Phase
One might think we can just swap the nominal model with the newly identified actual model. But in practice, that’s not always feasible.
Instead, Dynalog’s tools use a mathematical filter algorithm to adjust the robot path based on the known differences between Nominal and Actual parameters — before downloading the path to the robot.
This ensures:
Greater positioning accuracy,
Reduced collisions and rework,
Improved repeatability and flexibility across production lines.
How Dynalog Helps
Dynalog’s solutions—such as DynaCal—make it easy to:
Identify the true parameters of your Robot-Cell,
Compensate for inaccuracies in real time,
Maintain calibration over time, especially after a Robot-Cell is moved or retooled.
In an era where speed, adaptability, and precision are essential, calibrated robot accuracy is not a luxury—it’s a necessity. Dynalog’s calibration technologies ensure your robots hit the mark every time, even in the face of real-world variability.
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