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Calibration of laser displacement sensor used by industrial robots
Optical Engineering, 2004We propose a unique approach for calibrating robot tool center point (TCP) using a noncontact sensor such as a laser displacement sensor. This approach is based on nonlinear least square optimization algorithms with geometry constraints. Experimental results show that calibration algorithm is robust and the calibration error is reduced significantly ...
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Laser speckle-based sensor for in-plane displacement sensing
Laser speckle-based in-plane displacement sensors offer several desirable properties, such as a simple setup, contactless measurements, and high resolution. However, they have been limited in their measurement range in the past. Overcoming this limitation in recent research has led to renewed interest in the measurement principle in various fields ...openaire +1 more source
Double Focus Laser Displacement Sensor Suppressing Laser Jitter and Target Tilt
Journal of Shanghai Jiaotong University (Science), 2023Ruochen Chen, Na Lü, Wei Tao, Hui Zhao
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A new laser displacement sensor based on triangulation for gauge real-time measurement
Optics and Laser Technology, 2008Cuifang Kuang, Feng Qibo, Zhan Gao
exaly
Surface profile measurement using a laser displacement sensor
2008A three dimensional surface profiling system was developed by integrating a Confocal laser displacement sensor with a X-Y scanning stage. The system allowed to scan a sample point by point over a selected area. For each point on the sample X, Y and Z values were collected.
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Optical feedback displacement sensor using a laser diode
Optics & Laser Technology, 1992Jun-ichi Kato +2 more
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