Results 21 to 30 of about 1,876 (260)
One of the most important tasks in the manufacturing of aerospace products is the control of their geometric parameters at various stages of production and assessment of their compliance with the requirements of design documentation.
N. A. Sazonnikova, R V. Uklein
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Laser Tracker-Based on-the-Fly Machine Tool Calibration without Real-Time Synchronization
Consistent high volumetric performance of machine tools is an essential requirement for high-quality machining. Periodic machine tool calibration ensures said performance and allows for timely corrective actions preventing scrap or rework.
Mark P. Sanders +5 more
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Laser tracker adaptive tuning.
The goal of the automatic tuning algorithm is to compute suitable values for the controller gains, including the proportional (Kp), integral (Ki), and derivative (Kd), as well as the tachometer feedback gain (Kv).
openaire +4 more sources
ATControl: Controlling Software for Leica AT40x Laser Trackers
The paper describes a software called ATControl which is based on the Matworks Matlab high-level programming language. This software is under constant development by the author in order to collect geospatial data by measuring with the absolute laser ...
Filip Dvořáček
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Optimization Method for Solution Model of Laser Tracker Multilateration Measurement
Multilateration measurement using laser trackers suffers from a cumbersome solution method for high-precision measurements. Errors are induced by the self-calibration routines of the laser tracker software.
Chen Hongfang +4 more
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Research shows that the accurate acquisition of flight parameters of the plant protection UAV and accurate evaluation of flight parameter quality have great significance for improving the effect and precision of spraying.
Xin Huang +7 more
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METROLOGY ENABLED REFLECTION TRANSFORMATION IMAGING TO RECONSTRUCT LOCAL DETAIL IN MANUFACTURED SURFACES [PDF]
Understanding the performance of large high performance manufactured structures can require highly accurate dimensional measurement across large volumes with the often conflicting capability to record critical parts of the structure in fine detail ...
S. Robson, L. MacDonald, B. Sargeant
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Configuration Analysis of the ERS Points in Large-Volume Metrology System
In aircraft assembly, multiple laser trackers are used simultaneously to measure large-scale aircraft components. To combine the independent measurements, the transformation matrices between the laser trackers’ coordinate systems and the assembly ...
Zhangjun Jin +3 more
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A Novel Camera-to-Robot Calibration Method for Vision-Based Floor Measurements [PDF]
A novel hand–eye calibration method for ground-observing mobile robots is proposed. While cameras on mobile robots are common, they are rarely used for ground-observing measurement tasks. Laser trackers are increasingly used in robotics for precise
J. A. Rudolph, D. Haitz, M. Ulrich
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Among diverse intelligent assistive systems developed for amyotrophic lateral sclerosis (ALS) patients, headwear eye tracking based ones trigger broad interests due to their merits such as noninvasive, cost effective, and high operation freedom. However,
Zihao Wang +6 more
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