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Keywords: process monitoring
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Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. May 2022, 144(5): 051007.
Paper No: MANU-21-1421
Published Online: October 25, 2021
...Xinhua Shi; Lin Li; Suiran Yu; Lingxiang Yun Ultrasonic metal welding is one of the key technologies in manufacturing lithium batteries, and the welding quality directly determines the battery performance. Therefore, an online welding process monitoring system is critical in identifying abnormal...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2022, 144(4): 041007.
Paper No: MANU-21-1333
Published Online: September 23, 2021
... thermal modeling process monitoring melt pool additive manufacturing laser processes modeling and simulation rapid prototyping and solid freeform fabrication sensing monitoring and diagnostics National Institute of Standards and Technology 10.13039/100000161 70NANB18H220...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. November 2021, 143(11): 111008.
Paper No: MANU-20-1708
Published Online: June 11, 2021
... 12 2020 23 04 2021 23 04 2021 11 06 2021 friction stir welding aluminum internal voids process monitoring forces Friction stir welding (FSW) is a solid-state joining method that relies on the use of a rotating tool to plastically deform workpieces and mechanically...
Journal Articles
Article Type: Review Articles
J. Manuf. Sci. Eng. November 2020, 142(11): 110814.
Paper No: MANU-20-1096
Published Online: September 28, 2020
..., the dominant mechanism is thermal, and thus, temperature is often measured. Two common challenges in manufacturing process monitoring are as follows: (1) physical separation from point of interest and (2) noise. Sensors cannot be located directly in the processing zone due to extreme volatility in the zone...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. April 2019, 141(4): 044501.
Paper No: MANU-18-1168
Published Online: February 27, 2019
... reduce the number of defective products. The proposed multifractal method shows strong potentials to be applied for process monitoring and control in a variety of domains such as ultraprecision machining and additive manufacturing. Fractal objects are irregular and cannot be fully characterized...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. March 2019, 141(3): 031002.
Paper No: MANU-18-1094
Published Online: January 17, 2019
... experiments indicate that the proposed framework is capable of detecting process anomalies through experiments conducted on a commercial L-PBF AM system instrumented with a dual-wavelength imaging pyrometer for thermal process monitoring. The current work, thus, represents an important foundation toward...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. October 2013, 135(5): 051015.
Paper No: MANU-12-1200
Published Online: September 16, 2013
... the in-situ welding quality, in the context of welding process monitoring, and control of ultrasonic welding process. The weld samples were examined using scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) to study the material interactions at the bonding interface as a function...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. August 2012, 134(4): 044502.
Published Online: June 27, 2012
..., systematic experimental studies for process monitoring (cure and flow monitoring) of RTM'd composite materials are presented. The ability of FBG and etched fiber sensors for resin flow front monitoring and cure monitoring in an operational RTM process has been demonstrated along with the cure monitoring...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2011, 133(3): 031007.
Published Online: June 9, 2011
...C. A. Griffiths; S. S. Dimov; S. Scholz; H. Hirshy; G. Tosello Process monitoring of microinjection moulding ( μ IM) is of crucial importance when analysing the effect of different parameter settings on the process and then in assessing its quality. Quality factors related to cavity pressure can...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2011, 133(1): 011006.
Published Online: January 24, 2011
...C. A. Griffiths; S. S. Dimov; S. Scholz; G. Tosello Process monitoring of microinjection molding ( μ -IM ) is of crucial importance in understanding the effects of different parameter settings on the process, especially on its performance and consistency with regard to parts’ quality. Quality...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. December 2010, 132(6): 064503.
Published Online: November 29, 2010
...-temperature behavior of the polymer but with limited accuracy. There are various process monitoring systems available in the market; none of which has the capability of directly monitoring and controlling the real time shrinkage and part dimensions online. With a view to measuring in-mold shrinkage, a button...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2010, 132(5): 051010.
Published Online: October 4, 2010
... monitoring hierarchical classification multi-operation forging process monitoring and diagnosis tonnage signal Multi-operation forging processes with transfer or progressive dies are being increasingly used due to their high productivity and low manufacturing costs. In such processes...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2008, 130(4): 041008.
Published Online: July 10, 2008
... shape and size and the power density distribution. In addition to monitoring these machine settings, other in-process monitoring controls, based on phenomena resulting from the electron beam-material interaction, have been explored. Back-scattered electrons, X-rays, and visible emitted light...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2008, 130(3): 031014.
Published Online: June 5, 2008
... to be successful for all setups and for all wheel-workpiece combinations. This paper proposes a systematic approach, which allows the development and deployment of process-monitoring systems via automated sensor and feature selection combined with parameter-free model training, both of which are especially crucial...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. June 2007, 129(3): 644–652.
Published Online: November 13, 2006
...Hui Wang; Qiang Huang Traditional statistical process control (SPC) has been widely employed for the process monitoring in discrete part manufacturing. However, SPC does not consider any adjustment preventing the process drift. Furthermore, many in-line adjustment approaches, such as thermal error...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. February 2007, 129(1): 135–142.
Published Online: August 16, 2006
... captured. 06 06 2003 16 08 2006 condition monitoring process monitoring extrusion layered manufacturing integrated circuit manufacture prosthetics cost reduction failure analysis quality management The current thrust of industries towards mass customization...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. February 2006, 128(1): 370–374.
Published Online: July 20, 2005
... ultrasonic pulse detector based on the complex Morlet wavelet was designed and experimentally investigated. The results have confirmed the effectiveness of the new signal-processing technique for on-line pressure sensing for injection molding process monitoring. 15 06 2004 20 07 2005...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2005, 127(2): 376–385.
Published Online: April 25, 2005
... 25 04 2005 process monitoring condition monitoring sheet metal processing metal stamping time-varying systems autoregressive processes time-frequency analysis feature extraction inspection self-adjusting systems Sheet metal stamping is one of the most common manufacturing...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. February 2005, 127(1): 236–243.
Published Online: March 21, 2005
... signals obtained from an electric screwdriver. The results demonstrate that ANNs can effectively monitor the screw fastening process and cope with a wide range of insertion cases interpolating for unseen insertion signals. radial basis function networks assembling fasteners process monitoring...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. February 2006, 128(1): 315–325.
Published Online: December 15, 2004
... supervisory strategies are used to revise the disturbance models and the control law in the GPC to achieve a satisfactory control performance. A case study is provided to demonstrate the developed methodology. 05 09 2003 15 12 2004 statistical process control process monitoring predictive...