NDLI: A Novel On-board Temperature Monitoring Approach in the Reflow Soldering Process

Content Provider	IEEE Xplore Digital Library
Author	Zhancheng Wang Weimin Li Hang Tong Yangsheng Xu
Copyright Year	2006
Description	Author affiliation: Dept. of Autom. & Comput. Eng., Chinese Univ. of Hong Kong, Shatin (Zhancheng Wang; Weimin Li; Hang Tong; Yangsheng Xu)
Abstract	The goal of this paper is to monitor in-process on-board data as a means of indicating product quality and to be able to respond quickly to unexpected process disturbances. Due to pending environmental legislation and market requirements, lead-free soldering is widely used by the electronics industry. As the margin between the higher melting temperatures of lead-free solders and the heat-resistant temperatures of electronic components becomes narrower than lead solders, a more precise control of the temperature is required. Traditionally, the control processes of the on-board temperature are open loop because it is difficult to monitor the temperature on a PCB board. In this paper, we establish a method to determine the real process temperatures at any point on a PCB board in the furnace. We develop the method based on support vector machines (SVM) with multiple-input single-output strategies to learn relationship between the temperatures near the PCB board and the on-board temperature. The method is the only one which has been commercially utilized to predict the on-board temperature because of its low cost and high accuracy
Starting Page	4245
Ending Page	4251
File Size	272281
Page Count	7
File Format	PDF
ISBN	1424402581
DOI	10.1109/IROS.2006.281952
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Temperature sensors Reflow soldering Environmentally friendly manufacturing techniques Lead Open loop systems Temperature control Support vector machines Monitoring Legislation Support Vector Machine Reflow System Temperature Prediction
Content Type	Text
Resource Type	Article

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