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Image-Aided Analysis of Ballast Particle Movement Along a High-Speed Railway Article

Xuecheng Bian, Wenqing Cai, Zheng Luo, Chuang Zhao, Yunmin Chen

Engineering 2023, Volume 27, Issue 8,   Pages 161-177 doi: 10.1016/j.eng.2022.08.006

Abstract: In this study, an image-aided technique was developed in a full-scale model test using digital cameras

Keywords： High-speed railway     Full-scale model test     Image-aided technique     Ballast particle movement     Track vibration    

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Review of research and development of computer-aided Kansei Engineering

Li LIN, Chengqi XUE

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 125-128 doi: 10.1007/s11465-009-0023-z

Abstract: The working process and the key technology of computer-aided Kansei Engineering systems are discussed

Keywords： Kansei words     design elements     system     database    

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Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 168-182 doi: 10.1007/s11705-021-2056-8

Abstract: In this work, computer-aided molecular design tools were developed to design optimal solvents to upgradeDue to the combinatorial nature of higher-order signatures, the complexity of a computer-aided molecular

Keywords： computer-aided molecular design     bio-oil additives     molecular signature descriptor    

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From Computer-Aided Design (CAD) Toward Human-Aided Design (HAD): An Isogeometric Topology Optimization

Yingjun Wang,Mi Xiao,Zhaohui Xia,Peigen Li,Liang Gao

Engineering 2023, Volume 22, Issue 3,   Pages 94-105 doi: 10.1016/j.eng.2022.07.013

Abstract:

In this paper, the novel design mode of human-aided design (HAD) is proposed to replace conventionalcomputer-aided design (CAD).

Keywords： Human-aided design     CAD/CAE integration     Isogeometric analysis     Structural optimization     Isogeometric topology    

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Turbidity-adaptive underwater image enhancement method using image fusion

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-021-0669-8

Abstract: In this paper, we propose a turbidity-adaptive underwater image enhancement method.Based on the detection result, different image enhancement strategies are designed to deal with the problemThe proposed method is verified by an underwater image dataset captured in real underwater environmentThe result is evaluated by image metrics including structure similarity index measure, underwater colorimage quality evaluation metric, and speeded-up robust features.

Keywords： turbidity     underwater image enhancement     image fusion     underwater robots     visibility    

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Dimethicone-aided laser cutting of solar rolled glass

Wenyuan LI, Guojun ZHANG, Long CHEN, Yu HUANG, Youmin RONG, Zhangrui GAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 111-121 doi: 10.1007/s11465-020-0615-1

Abstract: Solar rolled glass, with one micro-structure surface and another roughness surface, can cause diffuse refraction of the focused laser spot, and this phenomenon restricts the application of laser manufacturing. In this study, laser cutting of solar rolled glass with a thickness of 2.5 mm was successfully achieved with the help of dimethicone to ensure laser focusing. Dimethicone was coated on the top surface of the rolled glass processing zone, and a bottom–up multilayer increment with the spiral line was applied to control the cutting path. Different viscosity values of dimethicone were considered. Results showed that surface quality increased as the viscosity increased until a certain threshold was reached; afterward, the surface quality decreased or directly caused the cutting to fail. The minimum surface roughness (3.26 µm) of the processed surface (chipping: Width≤113.64 µm, area 215199 µm ) was obtained when the dimethicone viscosity and laser pulse frequency were 1000 mm /s and 43 kHz (power 25.4 W), respectively. The micro-defects on the processed surface were few, and the edge chipping width and depth of the laser processed surface were small.

Keywords： laser cutting     solar rolled glass     dimethicone     viscosity     surface quality    

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Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)In the fusion phase, the image gradient is calculated to reflect the abundance of its contour informationBy compositing the gradient of each image, gradient-based weights are obtained, with which compressiveFinally, inverse transformation is applied to the coefficients derived from fusion, and the fused imageIn addition, different image fusion application scenarios are applied to explore the scenario adaptability

Keywords： Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

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Edge detection of steel plates at high temperature using image measurement

Qiong Zhou, Qi An

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 77-82 doi: 10.1007/s11465-009-0013-1

Abstract: An edge detection method for the measurement of steel plate’s thermal expansion is proposed in this paper, where the shrinkage of a steel plate is measured when temperature drops. First, images are picked up by an imaging system; a method of regional edge detection based on grayscales’ sudden change is then applied to detect the edges of the steel plate; finally, pixel coordinates of the edge position are transformed to physical coordinates through calibration parameters. The experiment shows that the real-time, high precision, and non-contact measurement of the steel plate’s edge position under high temperature can be realized using the imaging measurement method established in this paper.

Keywords： thermal expansion     image measurement     edge detection     image calibration    

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Computer aided process planning system based on workflow technology and integrated bill of material tree

LU Chun-guang, MENG Li-li

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 305-312 doi: 10.1007/s11465-006-0039-6

Abstract: important for procedure of process design and management of process data for product life cycle in Computer Aided

Keywords： PBOM     systematic technological     implementation technology     management     workflow technology    

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Computer-Aided Design System for CP Single-Screw Compressor

SHEN Jing-feng, YAO Fu-sheng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 21-25 doi: 10.1007/s11465-005-0018-3

Abstract: various optimum parameters and simulate the working process of CP single-screw compressor, the Computer-Aided

Keywords： CP single-screw     database technology     simulation technology     programming technology     animator simulation    

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Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 282-298 doi: 10.1007/s11465-019-0526-1

Abstract: Rapid prototyping (RP) or layered manufacturing (LM) technologies have been extensively used to manufacture prototypes composed mainly of plastics, polymers, paper, and wax due to the short product development time and low costs of these technologies. However, such technologies, with the exception of selective laser melting and sintering, are not used to fabricate metallic products because of the resulting poor life, short cycle, poor surface finish, and low structural integrity of the fabricated parts. The properties endowed by these parts do not match those of functional parts. Therefore, extensive research has been conducted to develop new additive manufacturing (AM) technologies by extending existing RP technologies. Several AM technologies have been developed for the fabrication of metallic objects. These technologies utilize materials, such as Ni-, Al-, and Ti-based alloys and stainless steel powders, to fabricate high-quality functional components. The present work reviews the type of materials used in laser-based AM processes for the manufacture of metallic products. The advantages and disadvantages of processes and different materials are summarized, and future research directions are discussed in the final section. This review can help experts select the ideal type of process or technology for the manufacturing of elements composed of a given alloy or material (Ni, Ti, Al, Pb, and stainless steel).

Keywords： direct metal deposition     laser-based manufacturing     rapid manufacturing     selective laser melting     additive manufacturing    

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Selecting and prioritizing key factors for CAD/CAM software in small- and medium-sized enterprises using AHP

Ghulam ZAKRIA, Zailin GUAN, Yasser RIAZ, Mirza JAHANZAIB, Anwar KHAN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 157-164 doi: 10.1007/s11465-010-0017-x

Abstract: In today’s fast-paced world, computer-aided design/computer-aided manufacturing (CAD/CAM) systemsAnalytic hierarchy process (AHP) is used as a decision-making technique for identifying and prioritizing

Keywords： computer-aided design (CAD)     computer-aided manufacturing(CAM)     SMEs     analytical hierarchal approach     Expert    

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Deformable image registration with geometric changes

Yu LIU,Bo ZHU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 829-837 doi: 10.1631/FITEE.1500045

Abstract: Geometric changes present a number of difficulties in deformable image registration.developed an innovative model which significantly reduces the side effects of geometric changes in imageWe show that the transformation estimated from our model is able to reconstruct the target image with

Keywords： Geometric changes     Image registration     Sparsity     Traumatic brain injury (TBI)    

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General modeling and optimization technique for real-world earth observation satellite scheduling

Frontiers of Engineering Management   Pages 695-709 doi: 10.1007/s42524-023-0263-3

Abstract: This study proposes a general modeling and optimization technique for common and real-world EOS schedulingIn this technique, a framework that decouples the modeling, constraints, and optimization of EOS schedulingFor simplified EOS scheduling problems, the proposed technique shows better performance in applicabilityconstrained real-world benchmark exampled by a four-EOS Chinese commercial constellation is provided, and the technique

Keywords： earth observation satellite     scheduling     general technique     optimization algorithm     commercial constellation    

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A building unit decomposition model for energy leakage by infrared thermography image analysis

Yan SU, Fangjun HONG, Lianjie SHU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 901-921 doi: 10.1007/s11708-020-0679-y

Abstract: A quantitative energy leakage model was developed based on the thermography image data measured for both

Keywords： heat conductivity     heat coefficient     heat &fllig     ux     infrared thermography     thermal image    

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Title Author Date Type Operation

Image-Aided Analysis of Ballast Particle Movement Along a High-Speed Railway

Xuecheng Bian, Wenqing Cai, Zheng Luo, Chuang Zhao, Yunmin Chen

Journal Article

Review of research and development of computer-aided Kansei Engineering

Li LIN, Chengqi XUE

Journal Article

Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Journal Article

From Computer-Aided Design (CAD) Toward Human-Aided Design (HAD): An Isogeometric Topology Optimization

Yingjun Wang,Mi Xiao,Zhaohui Xia,Peigen Li,Liang Gao

Journal Article

Turbidity-adaptive underwater image enhancement method using image fusion

Journal Article

Dimethicone-aided laser cutting of solar rolled glass

Wenyuan LI, Guojun ZHANG, Long CHEN, Yu HUANG, Youmin RONG, Zhangrui GAO

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article

Edge detection of steel plates at high temperature using image measurement

Qiong Zhou, Qi An

Journal Article

Computer aided process planning system based on workflow technology and integrated bill of material tree

LU Chun-guang, MENG Li-li

Journal Article

Computer-Aided Design System for CP Single-Screw Compressor

SHEN Jing-feng, YAO Fu-sheng

Journal Article

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Journal Article

Selecting and prioritizing key factors for CAD/CAM software in small- and medium-sized enterprises using AHP

Ghulam ZAKRIA, Zailin GUAN, Yasser RIAZ, Mirza JAHANZAIB, Anwar KHAN,

Journal Article

Deformable image registration with geometric changes

Yu LIU,Bo ZHU

Journal Article

General modeling and optimization technique for real-world earth observation satellite scheduling

Journal Article

A building unit decomposition model for energy leakage by infrared thermography image analysis

Yan SU, Fangjun HONG, Lianjie SHU

Journal Article