During the dinner meeting Dr. Zhang discussed his systems and techniques used to measure and control weld bead penetration during welding for both the GTAW and GMAW processes. He also described his double-electrode GMAW processes, which is used to control base metal heat input independently of wire feed speed. The event was held at the University of Alberta Faculty Club, and enjoyed a very strong attendance of nearly 40 people. Click below for photos from the evening:
- Joel Pepin (AWS Alberta Section Chairman, left) and Dr. Yuming Zhang (presenter from the University of Kentucky)
- Joel Pepin (AWS Alberta Section Chairman, left) presents a door prize to Hossein Izadi (University of Alberta Graduate Student)
- Dr. Patricio Mendez (University of Alberta, left) and Dr. YuMing Zhang (University of Kentucky) after the presentation
Click HERE for the PDF version of this notice!
Sensing and Control of Welding Processes
The American Welding Society Alberta Section is pleased to host Dr. YuMing Zhang, from the University of Kentucky, to present his latest developments in the sensing and control of new welding processes. During his PhD research at the Harbin Institute of Technology, YuMing projected a structured laser onto a solidified weld behind the weld pool to measure its geometry and correlate this geometry to weld penetration. Later, at the University of Kentucky, pulsed laser lines were projected through frosted-glass onto the specular weld pool surface and an ultra-high speed camera was used to capture the diffuse reflections. In this manner, the three-dimensional weld pool surfaces were clearly imaged. Further refinement of the process has allowed for the use of low-power lasers and simple off-the-shelf cameras to image GMAW and GTAW weld pools. Finally, at Adaptive Intelligent Systems LLC, welding parameters have been designed to produce arc signals that can be used to determine weld joint penetration, helping even novice welders to produce high quality welds. Dr. Zhang will explain how these sensing and control technologies can be used to ensure effectiveness of innovative welding processes such as double-sided arc welding and double-electrode gas metal arc welding.
Our Guest Speaker: Dr. YuMing Zhang (Professor – University of Kentucky)
YuMing is a Professor in the Department of Electrical and Computer Engineering at the University of Kentucky where he holds the James R. Boyd Professorship in Electrical Engineering and directs the Welding Research Laboratory and the Applied Sensing and Control Laboratory. From the Harbin Institute of Technology (Harbin, China), YuMing received his B.S. and M.S. degrees in Control Major and his Ph.D. in Welding Major. He is a Principal Investigator of 8 welding research grants from the National Science Foundation and has received over $3 million grants in the last two years for commercialization of his innovative technologies. In addition, he has received numerous awards and prizes related to his research. In 2005, he founded Adaptive Intelligent Systems LLC.
Dr. Zhang is a Fellow of AWS, a senior member of IEEE and SME and a member of ASME. He is currently a Lead Principal Reviewer for the Welding Journal, a Member of Editorial Board for the Journal of Science and Technology of Welding and Joining, and an Associate Editor for the International Journal of Modeling, System Identification and Control.
WHEN: Wednesday, March 17, 2010
WHERE: University of Alberta Faculty Club, 11435 Saskatchewan Drive
(Use Parking Lot V, or Windsor Car Park, off 116 Street)
TIMES: 6:00 pm – Reception
6:45 pm – Dinner (Buffet Style)
7:45 pm – Presentation
COST: Members $25.00; Non-Members $30.00; Student Members $10.00; Student Non-
Members $15.00. All members of AWS, CWA, ASM, NACE, SME and ASME will
be charged as members. Cash or cheque only please.
** An AWS Welding Handbook will be available as a door prize for one student! **
REGISTRATION:
Please confirm your attendance before March 15, 2010 by contacting:
(780) 422-4757 or by E-mailing Ken Nelson at .(JavaScript must be enabled to view this email address)
Please state name(s), company, phone number and member affiliation when registering.
On Monday, February 1, the recently-renewed Edmonton Association of Technical Societies (EATS) hosted a dinner meeting that included two technical seminars. The event was held at the Alberta Innovates - Technology Futures Edmonton facility. Ankit Vajpayee (Russell NDE Systems) discussed “Advancements in Remote Field Technology (RFT),” while Dr. David Topp (TSC Inspection Systems) presented “The Application of the Alternating Current Field Measurement (ACFM) Technique to Weld Inspection. The efforts of the AWS executive were instrumental in organizing the event, which attracted over 80 attendees. The EATS presently consists of the following technical societies: ASM, ASME, ASQ, AWS, CSChE, CWA, NACE, SME, and STLE.
Please visit our photo gallery for images from the event.
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