Search Results - "Lee, ChaBum"

Non-destructive Inspection System for Self-piercing Riveting in CFRP-Metal Joining Product Using Stereoscopic Method with Robotic Manipulator by Lee, Hyunjae, Kim, Jungsub, Guo, Xiangyu, Lee, ChaBum

“…This paper presents a non-destructive inspection system for the self-piercing riveting (SPR) in carbon fiber reinforced plastic (CFRP)-metal joining products…”
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In-Process Cutting Temperature Monitoring Method Based on Impedance Model of Dielectric Coating Layer at Tool-Chip Interface by Chun, Heebum, Park, William, Kim, Jungsub, Lee, ChaBum

“…This paper introduces a novel approach to in-process monitoring of the cutting temperature at the tool-chip interface (TCI). Currently, there are no tools…”
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Smart Flexible 3D Sensor for Monitoring Orthodontics Forces: Prototype Design and Proof of Principle Experiment by Lee, Soobum, Lee, Chabum, Bosio, Jose A, Melo, Mary Anne S

“…There is a critical need for an accurate device for orthodontists to know the magnitude of forces exerted on the tooth by the orthodontic brackets. Here, we…”
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Characterization of 3D printed piezoelectric sensors: Determiniation of d33 piezoelectric coefficient for 3D printed polyvinylidene fluoride sensors by Kirkpatrick, Max B., Tarbutton, Joshua A., Tue Le, ChaBum Lee

“…Previous results demonstrated piezoelectricity in 3D printed PVDF, however these results showed near undetectable signal levels and inconsistent piezoelectric…”
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Live demonstration: Characterization of 3D printed piezoelectric sensors by Kirkpatrick, Max B., Tarbutton, Joshua A., Tue Le, ChaBum Lee

“…Summary form only given. This paper presents a demonstration of the 3D printed piezoelectric sensors described in the attached document…”
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Freeform surface profiling by iterative learning-extremum seeking control by Nguyen, Phuc, Lee, ChaBum

“…This paper presents a metrology tool path planning algorithm using an iterative learning-extremum seeking control (ILESC) scheme that combines iterative…”
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A first review of optical edge-diffraction technology for precision dimensional metrology by Lee, ChaBum

“…A comprehensive study relevant to displacement sensing techniques based on optical edge-diffraction has been first introduced in academic society. Dimensional…”
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Robust, Ultrathin, and Highly Sensitive Reduced Graphene Oxide/Silk Fibroin Wearable Sensors Responded to Temperature and Humidity for Physiological Detection by Cho, Hyeonho, Lee, Chanui, Lee, ChaBum, Lee, Sangmin, Kim, Sunghan

“…Skin temperature and skin humidity are used for monitoring physiological processes, such as respiration. Despite advances in wearable temperature and humidity…”
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Effect of applied electrical potential and humidity on friction of Graphene-Based thin films by Cho, Hyeonho, Lee, ChaBum, Lee, Sangmin, Kim, Sunghan

“…[Display omitted] •The humidity-induced nanofriction of hierarchical thin films under electrical potential were investigated.•At low humidity, the friction…”
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Dimensional metrology with X-ray CT: A comparison with CMM measurements on internal features and compliant structures by Villarraga-Gómez, Herminso, Lee, ChaBum, Smith, Stuart T.

“…•This study compares measurements using current state-of-the-art of CT and CMM on artifacts with internal features and compliant structures.•Measurements…”
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Fluorescence strobo-stereoscopy for specular reflection-suppressed full field of view imaging by Guo, Xiangyu, Lee, ChaBum

“…This paper introduces fluorescence strobo-stereoscopy (FSS) to suppress strong specular reflection and enable the full field of view (FFOV) 3D surface imaging…”
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Preliminary study of phase-shifting strobo-stereoscopy for cutting tool monitoring by Guo, Xiangyu, Lee, ChaBum

“…Monitoring cutting tool quality in the machining process is essential to the success of part manufacturing. To directly monitor the information of cutting…”
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Preliminary study of photomask pattern inspection by beam-shaped knife-edge interferometry by Wang, Zhikun, Lin, Pengfei, Lee, ChaBum

“…This paper presents a photomask inspection and defect analysis technique to accurately measure the pattern dimensions and to detect the defects of the…”
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Line-edge-roughness characterization of photomask patterns and lithography-printed patterns by Wang, Zhikun, Lin, Pengfei, Nguyen, Phuc, Wang, Jingyan, Lee, ChaBum

“…This paper presents the line-edge-roughness (LER) characterization of the photomask patterns and the lithography-printed patterns by enhanced knife edge…”
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Wafer particle inspection technique using computer vision based on a color space transform model by Chun, Heebum, Wang, Jingyan, Kim, Jungsub, Lee, ChaBum

“…The preparation of defect-free wafers serves as a critical stage prior to fabrication of devices or chips as it is not possible to pattern any devices or chips…”
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Three-axis displacement sensor-integrated spindle system for carbon fiber-reinforced plastic (CFRP) machining process monitoring by Kim, Jungsub, Chun, Heebum, Lee, ChaBum

“…We present a carbon fiber-reinforced plastic (CFRP) milling process monitoring method based on the multi-axis displacement sensor integrated with the precision…”
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A simple optical system for miniature spindle runout monitoring by Lee, ChaBum, Zhao, Rui, Jeon, Seongkyul

“…We proposed a novel optical technique to monitor miniature spindle runout in a simple manner. Miniature spindles are commonly used in many machining…”
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Dicing wheel wear monitoring technique utilizing edge diffraction effect by Jeon, Seongkyul, Zolfaghari, Abolfazl, Lee, ChaBum

“…This paper presents a non-contact, convenient, efficient cutting tool wear monitoring technique of dicing wheel based on an edge diffraction effect. Dicing is…”
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A single camera unit-based three-dimensional surface imaging technique by Wang, Yinhe, Guo, Xiangyu, Kim, Jungsub, Lin, Pengfei, Lu, Kuan, Lee, Hyunjae, Lee, ChaBum

“…This paper introduces a simple three-dimensional (3D) stereoscopic method using a single unit of an imaging device consisting of a charge-coupled device (CCD)…”
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A review: additive manufacturing of flexure mechanism for nanopositioning system by Chun, Heebum, Guo, Xiangyu, Kim, Jung Sub, Lee, ChaBum

“…A comprehensive review relevant to the design and fabrication of nanopositioning stages based on additive manufacturing (AM) technology has been for the first…”
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