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A zone-layered trimming method for ceramic core of aero-engine blade based on an advanced reconfigurable

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0675-5

Abstract: Ceramic structural parts are one of the most widely utilized structural parts in the industry. However, they usually contain defects following the pressing process, such as burrs. Therefore, additional trimming is usually required, despite the deformation challenges and difficulty in positioning. This paper proposes an ultrafast laser processing system for trimming complex ceramic structural parts. Opto-electromechanical cooperative control software is developed to control the laser processing system. The trimming problem of the ceramic cores used in aero engines is studied. The regional registration method is introduced based on the iterative closest point algorithm to register the path extracted from the computer-aided design model with the deformed ceramic core. A zonal and layering processing method for three-dimensional contours on complex surfaces is proposed to generate the working data of high-speed scanning galvanometer and the computer numerical control machine tool, respectively. The results show that the laser system and the method proposed in this paper are suitable for trimming complex non-datum parts such as ceramic cores. Compared with the results of manual trimming, the method proposed in this paper has higher accuracy, efficiency, and yield. The method mentioned above has been used in practical application with satisfactory results.

Keywords： ceramic parts trimming     computer-aided laser manufacturing     3D vision     reconfigurable laser processing    

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Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0716-0

Abstract: the artificial intelligence-driven modern wireless communication system, antennas are required to be reconfigurableconventional antennas with constant phase distributions cannot achieve enhanced gains in different reconfigurableIn this paper, we propose a mechanically reconfigurable radiation array (RRA) based on miniaturized elementsand a mechanically reconfigurable system to obtain gain-enhanced antennas in compact and deployed statesA five-element RRA with a phase-reconfigurable center element is designed and analyzed theoretically.

Keywords： mechanism     reconfigurable radiation array (RRA)     compact state     deployed state     enhanced gain    

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Recent development on innovation design of reconfigurable mechanisms in China

Wuxiang ZHANG, Shengnan LU, Xilun DING

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 15-20 doi: 10.1007/s11465-018-0517-7

Abstract: Reconfigurable mechanisms can deliberately reconfigure themselves by rearranging the connectivity ofMetamorphic and origami-derived mechanisms are two kinds of typical reconfigurable mechanisms, whichImproving the independent design level, innovation, and international competitive powers of reconfigurableThis paper presents an overview of recent developments in innovation design of reconfigurable mechanisms

Keywords： innovation design     reconfigurable mechanisms     metamorphic mechanisms     origami-derived mechanisms     development    

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Distributed flexible reconfigurable condition monitoring and diagnosis technology

HU You-min, YANG Shu-zi, DU Run-sheng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 276-281 doi: 10.1007/s11465-006-0025-z

Abstract: As manufacturing becomes increasingly decentralized, flexible and reconfigurable, more research needsThe distributed condition monitoring and diagnosis technology based on the flexible and reconfigurableA condition monitoring diagnosis model based on the distributed flexible and reconfigurable idea is proposed

Keywords： chemical     diagnosis system     configuration     monitoring     equipment    

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Modular structure of a self-reconfigurable robot

FEI Yanqiong, DONG Qinglei, ZHAO Xifang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 116-119 doi: 10.1007/s11465-007-0020-z

Abstract: This paper proposes a novel, hermaphroditic, and lattice self-reconfigurable modular robot.

Keywords： compact     self-reconfigurable modular     hermaphroditic     cone-shaped     clutch    

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Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 151-159 doi: 10.1007/s11465-011-0121-6

Abstract:

This paper presents a method for the design and analysis of reconfigurable parallel robots.taking the branches as building blocks, many modular parallel robots can be constructed, from which a reconfigurableIt is shown that the module-based method not only provides a systematic way of designing a reconfigurable

Keywords： reconfigurable parallel robot     topology morphing     group morphing    

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Generation of closed-form inverse kinematics for reconfigurable robots

ZHAO Jie, WANG Weizhong, GAO Yongsheng, CAI Hegao

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 91-96 doi: 10.1007/s11465-008-0013-6

Abstract: For reconfigurable robots, the automatic generation of inverse kinematics is a key problem, because suchthis paper, the screw and product-of-exponentials (POE) formula are used to model the kinematics of reconfigurableA generalized, decomposable, and reusable approach for close-form inverse kinematics of reconfigurable

Keywords： different     effectiveness     generation     reconfigurable     algebraic    

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Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 121-136 doi: 10.1007/s11465-018-0483-0

Abstract:

Reconfigurable manufacturing systems (RMSs), which possess the advantages of both dedicated serial

Keywords： reconfigurable manufacturing systems     responsiveness     intelligent manufacturing    

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Dimensional synthesis of a novel 5-DOF reconfigurable hybrid perfusion manipulator for large-scale spherical

Hui YANG, Hairong FANG, Yuefa FANG, Xiangyun LI

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 46-60 doi: 10.1007/s11465-020-0606-2

Abstract: prismatic, revolute, universal and spherical joint, respectively) parallel mechanism with the 5PRR reconfigurableThe values of the designed variables corresponding to different configurations of the reconfigurableHPM with the optimized parameters has an enlarged orientation workspace, and the maximum angle of the reconfigurable

Keywords： 5-DOF hybrid manipulator     reconfigurable base     large workspace     dimensional synthesis     optimal design    

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Status quo and outlook of reconfigurable research

Li Yufeng,Qiu Han,Lan Julong

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 82-89

Abstract: Based on the technology, reconfigurable routers can support dynamic reconfiguration of new hardware logicdevelopment of the FPGA, this paper summarizes the past major research efforts with respect to the reconfigurableResearch directions and open problems are also discussed from the point of view of reconfigurable network

Keywords： internet     reconfigurable router     reconfigurable network     programmable hardware    

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A Miniature Meta-Optical System for Reconfigurable Wide-Angle Imaging and Polarization-Spectral Detection

Fei Zhang,Minghao Liao,Mingbo Pu,Yinghui Guo,Lianwei Chen,Xiong Li,Qiong He,Tongtong Kang,Xiaoliang Ma,Yuan Ke,Xiangang Luo,

Engineering doi: 10.1016/j.eng.2023.07.008

Abstract: Here, we propose a novel concept to realize reconfigurable dual-mode detection based on electrical-control

Keywords： Metasurfaces     Reconfigurable     Imaging     Spectral    

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Development and application of reconfigurable monitoring and diagnostic system oriented to machine tool

Jing Minqing,Li Meng,Liu Heng

Strategic Study of CAE 2013, Volume 15, Issue 1,   Pages 34-38

Abstract:

The "system engine + function component" architecture for the reconfigurable monitoring

Keywords： monitoring and diagnostic system for machine tool     reconfigurable     system engine     function component    

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An energy-efficient reconfigurable asymmetric modular cryptographic operation unit for RSA and ECC Research Article

Mengni BIE, Wei LI, Tao CHEN, Longmei NAN, Danyang YANG,raspberry0213@126.com,liwei12@fudan.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 1,   Pages 134-144 doi: 10.1631/FITEE.2000325

Abstract: RSA and ellipse curve cryptography (ECC) algorithms are widely used in authentication, data security, and access control. In this paper, we analyze the basic operation of the ECC and RSA algorithms and optimize their modular multiplication and modular inversion algorithms. We then propose a modular operation architecture, with a mix-memory unit and double multiply-accumulate structures, to realize our unified, asymmetric cryptosystem structure in an operational unit. Synthesized with 55-nm CMOS process, our design runs at 588 MHz and requires only 437 801 μm of hardware resources. Our proposed design takes 21.92 and 23.36 mW for 2048-bit RSA modular multiplication and modular inversion respectively, as well as 16.16 and 15.88 mW to complete 512-bit ECC dual-field modular multiplication and modular inversion respectively. It is more energy-efficient and flexible than existing single algorithm units. Compared with existing multiple algorithm units, our proposed method shows better performance. The operation unit is embedded in a 64-bit RISC-V processor, realizing key generation, encryption and decryption, and digital signature functions of both RSA and ECC. Our proposed design takes 0.224 and 0.153 ms for 256-bit ECC point multiplication in and respectively, as well as 0.96 ms to complete 1024-bit RSA exponentiation, meeting the demand for .

Keywords： Modular operation unit     Reconfigurable     High energy efficiency    

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A Planar 4-Bit Reconfigurable Antenna Array Based on the Design Philosophy of Information Metasurfaces Article

Zheng Xing Wang, Hanqing Yang, Ruiwen Shao, Jun Wei Wu, Guobiao Liu, Feng Zhai, Qiang Cheng, Tie Jun Cui

Engineering 2022, Volume 17, Issue 10,   Pages 64-74 doi: 10.1016/j.eng.2022.03.019

Abstract: the design philosophy of information metasurfaces based on the digital coding concept, a planar 4-bit reconfigurable

Keywords： 4-Bit reconfigurable antenna array     Information metasurface     Digital coding method     Low sidelobe     Low    

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Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 82-88 doi: 10.1007/s11465-007-0014-x

Abstract: The variables of the main module of a servo system for miniature reconfigurable parallel mechanism were

Keywords： acceleration     reconfigurable parallel     additive     sequence     parallel mechanism    

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Title Author Date Type Operation

A zone-layered trimming method for ceramic core of aero-engine blade based on an advanced reconfigurable

Journal Article

Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Journal Article

Recent development on innovation design of reconfigurable mechanisms in China

Wuxiang ZHANG, Shengnan LU, Xilun DING

Journal Article

Distributed flexible reconfigurable condition monitoring and diagnosis technology

HU You-min, YANG Shu-zi, DU Run-sheng

Journal Article

Modular structure of a self-reconfigurable robot

FEI Yanqiong, DONG Qinglei, ZHAO Xifang

Journal Article

Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Journal Article

Generation of closed-form inverse kinematics for reconfigurable robots

ZHAO Jie, WANG Weizhong, GAO Yongsheng, CAI Hegao

Journal Article

Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Journal Article

Dimensional synthesis of a novel 5-DOF reconfigurable hybrid perfusion manipulator for large-scale spherical

Hui YANG, Hairong FANG, Yuefa FANG, Xiangyun LI

Journal Article

Status quo and outlook of reconfigurable research

Li Yufeng,Qiu Han,Lan Julong

Journal Article

A Miniature Meta-Optical System for Reconfigurable Wide-Angle Imaging and Polarization-Spectral Detection

Fei Zhang,Minghao Liao,Mingbo Pu,Yinghui Guo,Lianwei Chen,Xiong Li,Qiong He,Tongtong Kang,Xiaoliang Ma,Yuan Ke,Xiangang Luo,

Journal Article

Development and application of reconfigurable monitoring and diagnostic system oriented to machine tool

Jing Minqing,Li Meng,Liu Heng

Journal Article

An energy-efficient reconfigurable asymmetric modular cryptographic operation unit for RSA and ECC

Mengni BIE, Wei LI, Tao CHEN, Longmei NAN, Danyang YANG,raspberry0213@126.com,liwei12@fudan.edu.cn

Journal Article

A Planar 4-Bit Reconfigurable Antenna Array Based on the Design Philosophy of Information Metasurfaces

Zheng Xing Wang, Hanqing Yang, Ruiwen Shao, Jun Wei Wu, Guobiao Liu, Feng Zhai, Qiang Cheng, Tie Jun Cui

Journal Article

Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Journal Article