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Influence of kinematic redundancy on the singularity-free workspace of parallel kinematic machines

Jens KOTLARSKI, Bodo HEIMANN, Tobias ORTMAIER

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2,   Pages 120-134 doi: 10.1007/s11465-012-0321-8

Abstract: kinematic redundancy in order to reduce the singularity loci of the direct kinematics and to increase the operational, i.e., singularity-free, workspace is demonstrated.The relationship between the redundancy and the operational workspace is studied and several analysis

Keywords： parallel robots     kinematic redundancy     singularity avoidance     operational workspace    

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Feasible workspace regions for general two-revolute manipulator

Conghui LIANG, Marco CECCARELLI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 397-408 doi: 10.1007/s11465-011-0228-9

Abstract:

In this paper, a topology is presented for feasible workspace regions in general two-revolute manipulatorsThe design problem and concept of feasible workspace regions have been discussed as linked to each otherDesign equations are formulated by arbitrarily prescribing four workspace boundary points.The so-called feasible workspace regions are the intersection of three different sub-regions, which aregiven by constraint curves as function of the relative positions of three workspace boundary points.

Keywords： workspace     two-revolute manipulators     topology analysis     design    

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Singularity and workspace analysis of three isoconstrained parallel manipulators with schoenflies motion

Po-Chih LEE, Jyh-Jone LEE

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2,   Pages 163-187 doi: 10.1007/s11465-012-0324-5

Abstract: Then, Jacobian matrix, singularity, workspace, and performance index for each mechanism are subsequently

Keywords： parallel manipulator     schoenflies motion     kinematics     singularity     workspace     performance index    

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Development of an integrated structural health monitoring system for bridge structures in operational

Xinqun ZHU, Hong HAO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 321-333 doi: 10.1007/s11709-012-0161-y

Abstract: analysis and interpretation, physical-based numerical simulation of complex structural system under operationalfocused on developing: integrated sensor technology, integrated structural damage identification with operational

Keywords： integrated structural health monitoring     operational conditions     vibration and guided wave    

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A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 323-334 doi: 10.1007/s42524-020-0121-5

Abstract: Monitoring information also facilitates operational decisions in production planning, spare parts management

Keywords： condition-based maintenance     prognostics     operational decision-making     reliability    

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Kinematic, workspace and singularity analysis of a new parallel robot used in minimally invasive surgery

Alin STOICA, Doina PISLA, Szilaghyi ANDRAS, Bogdan GHERMAN, Bela-Zoltan GYURKA, Nicolae PLITEA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 70-79 doi: 10.1007/s11465-013-0365-4

Abstract: The paper will demonstrate that with this parallel structure, one can obtain the necessary workspaceThe robot workspace was generated using the inverse geometric model.

Keywords： parallel robot     minimally invasive surgery     kinematics     simulation    

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Design of a Lightweight Force-Feedback Glove with a Large Workspace Article

Yukai Zheng, Dangxiao Wang, Ziqi Wang, Yu Zhang, Yuru Zhang, Weiliang Xu

Engineering 2018, Volume 4, Issue 6,   Pages 869-880 doi: 10.1016/j.eng.2018.10.003

Abstract: Design challenges for such a glove include allowing a large fingertip workspace, providing a desired

Keywords： Force-feedback glove     Lightweight     Large workspace     Pneumatic     Virtual reality    

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Review of operational management in intelligent agriculture based on the Internet of Things

Xiangpei HU, Lijun SUN, Yaxian ZHOU, Junhu RUAN

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 309-322 doi: 10.1007/s42524-020-0107-3

Abstract: This review aims to gain insight into the current research and application of operational managementuse the Java application CiteSpace to analyze co-citation networks in the literature related to the operationalagricultural industry chain, additional research directions are recommended from the following aspects: The operationalThe theoretical research and practical application of combining operational management theories and IoT-based

Keywords： Internet of Things (IoT)     agricultural Internet of Things (Agri-IoT)     operational management     intelligent    

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Risk assessment on Bohai Bay subsea tunnel in its operational period

Wang Yonghong,Liu Bing,Zhang Yonggang

Strategic Study of CAE 2013, Volume 15, Issue 12,   Pages 107-112

Abstract: Then,those operational risks were analyzed and assessed by the confidence index method and analytic hierarchyFinally,some topics about risk assessment on the subsea tunnel operational risk needed to the further

Keywords： subsea tunnel     operational period     risk analysis     risk assessment    

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Design and operational considerations for selective catalytic reduction technologies at coal-fired boilers

Jeremy J. SCHREIFELS, Shuxiao WANG, Jiming HAO

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 98-105 doi: 10.1007/s11708-012-0171-4

Abstract: It also reviews the design and operational challenges that, if not addressed, can reduce the reliability

Keywords： nitrogen oxides (NOx)     coal     selective catalytic reduction (SCR)     air pollution control    

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Effects of operational and structural parameters on cell voltage of industrial magnesium electrolysis

Ze Sun,Chenglin Liu,Guimin Lu,Xingfu Song,Jianguo Yu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 522-531 doi: 10.1007/s11705-015-1539-x

Abstract: Based on the simulation of the electric field, the operational and structural parameters, such as the

Keywords： finite element method     magnesium electrolysis cell     electric field    

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Development of a BIM-based holonic system for real-time monitoring of building operational efficiency

Alessandro CARBONARI, Leonardo MESSI, Berardo NATICCHIA, Massimo VACCARINI, Massimiliano PIRANI

Frontiers of Engineering Management 2020, Volume 7, Issue 1,   Pages 89-103 doi: 10.1007/s42524-019-0037-0

Abstract: In the wide context of facility management, several processes, such as operations, maintenance, retrofitting, and renovations, ensure that buildings comply with the principles of efficiency, cost-effectiveness, and indoor comfort. Apart from ordinary operation, facility management is responsible for the renovation of and long-term performance improvement of building facilities. In such a scenario, the cyber–physical system (CPS) paradigm with holonic architecture, which is the focus of this study, can successfully guide the operation management and long-term refurbishment processes of buildings. Analogous to the manufacturing field, the developed CPS maximizes holons’ self-configuration and self-organization and overall throughput effectiveness metrics to detect the best corrective actions toward system improvements. Consequently, suggestions and lessons learned from the evaluation of building efficiency are redirected to the building information model. Hence, the digital model acts as a repository of currently available equipment for operations management and the history of diagnoses that support decision-making during the maintenance, retrofitting, and renovation processes. Evidently, the repeated detection of a specific issue, which is unaffected by operations management, should be considered an opportunity to act and enhance the performances of existing building components. Similar to a goods-producing industry, the building management system developed in this study applies the aforementioned methodology to provide services related to indoor comfort and building health. This approach indicates that a method for automatic real-time diagnosis is tested in a case study consisting of a multi-use and large public building. The current paper, which is an extended version of the one presented in the Creative Construction Conference 2018, deepens the decision support tool and the supervision policy. Moreover, the developed system is contextualized by providing an example of use case and highlighting the step forward in the field of smart buildings.

Keywords： BIM     building management system     cyber-physical system     facility management     holonic system    

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Study on four-step operational mode prototype debugging of TGP lock under impounded level 156 m in the

Hu Ya’an,Zhang Ruikai,Li Yun

Strategic Study of CAE 2009, Volume 11, Issue 9,   Pages 52-58

Abstract:

This paper expounds the superiority of adopting four-step operational156 m in the finishing construction period, and demonstrates the feasibility of adopting four-step operationalthe lock under exceeding design water head 45.2 m has been confirmed well, therefore, the four-step operational

Keywords： TGP lock     operational mode     prototype debugging    

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Network Centric Warfare Operational Concept and Information Fusion Technology

Zhu Lin,Zhang Xiaonan,Xu Xingjie

Strategic Study of CAE 2005, Volume 7, Issue 3,   Pages 69-73

Abstract:

This paper discusses the key content of network centric warfare. It is pointed out that the information fusion technology is one of the biggest challenges, which network centric warfare faces. Also, the main research topics of information fusion technology are discussed. They are the function model, the architecture, information fusion system engineering and arithmetic. The developing actuality of the information fusion technology at home and overseas is concluded. At last, the paper analyzes the developing directions of information fusion technology for the network centric warfare.

Keywords： network centric warfare     operational concept     information fusion    

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The Development of the Operational System for Meteorological Prediction in China

Yan Hong,Li Zechun,Ma Qingyun,Tian Cuiying

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 88-93

Abstract:

In This article the progress of the operational system for meteorological prediction in China wereIn particular, the major R & D achievements in NWP operational system are summarized.

Keywords： meteorological prediction     operational system     development    

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Title Author Date Type Operation

Influence of kinematic redundancy on the singularity-free workspace of parallel kinematic machines

Jens KOTLARSKI, Bodo HEIMANN, Tobias ORTMAIER

Journal Article

Feasible workspace regions for general two-revolute manipulator

Conghui LIANG, Marco CECCARELLI

Journal Article

Singularity and workspace analysis of three isoconstrained parallel manipulators with schoenflies motion

Po-Chih LEE, Jyh-Jone LEE

Journal Article

Development of an integrated structural health monitoring system for bridge structures in operational

Xinqun ZHU, Hong HAO

Journal Article

A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Journal Article

Kinematic, workspace and singularity analysis of a new parallel robot used in minimally invasive surgery

Alin STOICA, Doina PISLA, Szilaghyi ANDRAS, Bogdan GHERMAN, Bela-Zoltan GYURKA, Nicolae PLITEA

Journal Article

Design of a Lightweight Force-Feedback Glove with a Large Workspace

Yukai Zheng, Dangxiao Wang, Ziqi Wang, Yu Zhang, Yuru Zhang, Weiliang Xu

Journal Article

Review of operational management in intelligent agriculture based on the Internet of Things

Xiangpei HU, Lijun SUN, Yaxian ZHOU, Junhu RUAN

Journal Article

Risk assessment on Bohai Bay subsea tunnel in its operational period

Wang Yonghong,Liu Bing,Zhang Yonggang

Journal Article

Design and operational considerations for selective catalytic reduction technologies at coal-fired boilers

Jeremy J. SCHREIFELS, Shuxiao WANG, Jiming HAO

Journal Article

Effects of operational and structural parameters on cell voltage of industrial magnesium electrolysis

Ze Sun,Chenglin Liu,Guimin Lu,Xingfu Song,Jianguo Yu

Journal Article

Development of a BIM-based holonic system for real-time monitoring of building operational efficiency

Alessandro CARBONARI, Leonardo MESSI, Berardo NATICCHIA, Massimo VACCARINI, Massimiliano PIRANI

Journal Article

Study on four-step operational mode prototype debugging of TGP lock under impounded level 156 m in the

Hu Ya’an,Zhang Ruikai,Li Yun

Journal Article

Network Centric Warfare Operational Concept and Information Fusion Technology

Zhu Lin,Zhang Xiaonan,Xu Xingjie

Journal Article

The Development of the Operational System for Meteorological Prediction in China

Yan Hong,Li Zechun,Ma Qingyun,Tian Cuiying

Journal Article