期刊
JOURNAL OF INTELLIGENT MANUFACTURING
卷 32, 期 2, 页码 329-345出版社
SPRINGER
DOI: 10.1007/s10845-020-01574-1
关键词
High-density measurements; Non-contact scanning systems; NURBS surfaces; Statistical process control; Surface monitoring
With the advancement of sensor and measurement technologies, there is a growing need to adapt and develop new Statistical Process Control (SPC) techniques to effectively utilize new datasets. This paper proposes an approach for performing SPC using high-density point clouds, transforming them into NURBS surfaces and monitoring control parameters using a surface monitoring technique. Simulation results are used to evaluate the proposed approach under varying fault scenarios.
As sensor and measurement technologies advance, there is a continual need to adapt and develop new Statistical Process Control (SPC) techniques to effectively and efficiently take advantage of these new datasets. Currently high-density noncontact measurement technologies, such as 3D laser scanners, are being implemented in industry to rapidly collect point clouds consisting of millions of data points to represent a manufactured parts' surface. For their potential to be realized, SPC methods capable of handling these datasets need to be developed. This paper presents an approach for performing SPC using high-density point clouds. The proposed approach is based on transforming the high-dimensional point clouds into Non-Uniform Rational Basis Spline (NURBS) surfaces. The control parameters for these NURBS surfaces are then monitored using a surface monitoring technique. In this paper point clouds are simulated to determine the performance of the proposed approach under varying fault scenarios.
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