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What if the Global Positioning System Didn’t Work?

Mitch Leslie

Engineering 2019, Volume 5, Issue 6,   Pages 985-986 doi: 10.1016/j.eng.2019.10.007

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The Global Positioning System (GPS): Creating Satellite Beacons in Space, Engineers Transformed Daily

Peter Weiss

Engineering 2021, Volume 7, Issue 3,   Pages 290-303 doi: 10.1016/j.eng.2021.02.001

Keywords： EngineeringAchievements    

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Comprehensive analysis of the influence of structural and dynamic parameters on the accuracy of nano-precision positioning

Chengyuan LIANG, Fang YUAN, Xuedong CHEN, Wei JIANG, Lizhan ZENG, Xin LUO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 255-272 doi: 10.1007/s11465-019-0538-x

Abstract: Nano-precision positioning stages are characterized by rigid-flexible coupling systems.A systematic approach to modeling the dynamic accuracy of a nano-precision positioning stage is developedprogrammed and integrated into a software framework that supports the dynamic design of nano-precision positioningThe software framework is then applied to the design of a nano-precision positioning stage used in a

Keywords： nano-precision positioning stage     analysis and design     structural and dynamic parameters     dynamic accuracy    

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Kinematic calibration of precise 6-DOF stewart platform-type positioning systems for radio telescope

Juan Carlos JáUREGUI, Eusebio E. HERNáNDEZ, Marco CECCARELLI, Carlos LóPEZ-CAJúN, Alejandro GARCíA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 252-260 doi: 10.1007/s11465-013-0249-7

Abstract:

The pose accuracy of a parallel robot is a function of the mobile platform posture. Thus, there is no a single value of the robot’s accuracy. In this paper, two novel methods for estimating the accuracy of parallel robots are presented. In the first method, the pose accuracy estimation is calculated by considering the propagation of each error, i.e., error variations are considered as a function of the actuator’s stroke. In the second method, it is considered that each actuator has a constant error at any stroke. Both methods can predict pose accuracy of precise robots at design stages, and/or can reduce calibration time of existing robots. An example of a six degree-of-freedom parallel manipulator is included to show the application of the proposed methods.

Keywords： pose errors     error estimation     parallel robot     radio telescopes    

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Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 265-278 doi: 10.1007/s11465-017-0453-y

Abstract:

Most of the XY positioning stages proposed in previous studies are mainly designed byIn this study, a 2-degree-of-freedom linear compliant positioning stage (LCPS) is developed by mechatronicdesign to balance the interacting performance indicators and realize the desired positioning stage.

Keywords： mechatronic design     linear compliant positioning stage     large travel range     high out-of-plane payload capacity    

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Detection of the Pine Wilt Disease Tree Candidates for Drone Remote Sensing Using Artificial Intelligence Techniques Article

Mutiara Syifa, Sung-Jae Park, Chang-Wook Lee

Engineering 2020, Volume 6, Issue 8,   Pages 919-926 doi: 10.1016/j.eng.2020.07.001

Abstract: Furthermore, compared the accuracy of two types of Global Positioning System (GPS) data, collected using

Keywords： Pine wilt disease     Drone remote sensing     Artificial neural network     Support vector machine     Global positioning    

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Discussion on the Agricultural Information Science——On Construction of Agricultural Information System Engineering Again

Wang Renchao,Huang Jingfeng,Shi Zhou,Wang Ke

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 80-83

Abstract: spatial scale and location using remote sensing technique, geographic information system technique, globalpositioning system technique and computer net system technique.which is composed of satellite remote sensing technology, geographic information system technology, globalpositioning system technology and computer net system technology and its function were introduced simply

Keywords： agricultural information system technology     remote sensing technology     geographic information system technology     globalpositioning system technology     computer net technology    

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The realization of automatic positioning of crane in high precise in the storehouse for nuclear waste

Luan Xiuchun,Han Weishi,Wang Junling,Yang Aiguang

Strategic Study of CAE 2010, Volume 12, Issue 3,   Pages 45-50

Abstract:

This paper sets forth the realization of automatic positioning of crane

Keywords： nuclear waste     crane     automatic control     positioning    

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Influence of Rigidity of Feed System With Ball Screw in NC Lathe on Positioning Precision

Wu Nanxing,Hu Rufu,Sun Qinghong

Strategic Study of CAE 2004, Volume 6, Issue 9,   Pages 46-49

Abstract: p>Rigidity of feed system with ball screw in NC lathe has a major influence on loss of momentum and positioningTheoretic basis for designing the structure, reducing loss of momentum and increasing positioning precision

Keywords： NC lathe     rigidity     loss of momentum     positioning precision    

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The hoisting techniques of huge segments of the steel tower

Zhang Ping,Xiao Wenfu,Huang Tao,Jiang Jian,Cai Wei

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 58-62

Abstract:

Taizhou Changjiang River Highway Bridge adopts a three-tower, two-span layout for the first time in the world. The longitudinal shape of the middle tower is herringbone, and the steel gallows frame is adopted in the cross direction. This paper describes the installation, locating, and adjusting construction techniques of the huge segments including the selection of hoisting equipment.

Keywords： huge segments of steel tower     lifting     positioning     adjusting     precision control     positioning system    

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Positioning Australia for the Future

Nicholas Brown, John Dawson, Ryan Ruddick

Engineering 2020, Volume 6, Issue 8,   Pages 857-859 doi: 10.1016/j.eng.2020.07.012

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SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 356-365 doi: 10.15302/J-FASE-2022458

Abstract:

● A composite N management index is proposed to measure agriculture sustainability.

Keywords： global assessment     indicator     nitrogen management     sustainable agriculture     sustainable development goals    

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Engineering management: Global engineering research frontiers

Botao ZHONG, Luting QIU

Frontiers of Engineering Management 2020, Volume 7, Issue 1,   Pages 159-162 doi: 10.1007/s42524-020-0094-4

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MANURE AND METROPOLES---A GLOBAL FRAMEWORK FOR NUTRIENT CYCLING IN FOOD SYSTEMS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

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Soil security and global food security

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023530

Abstract:

● Much of the world’s agricultural land has been degraded through soil loss and degradation of soil organic matter.

Keywords： Agriculture     soil security     food security     regenerative    

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Title Author Date Type Operation

What if the Global Positioning System Didn’t Work?

Mitch Leslie

Journal Article

The Global Positioning System (GPS): Creating Satellite Beacons in Space, Engineers Transformed Daily

Peter Weiss

Journal Article

Comprehensive analysis of the influence of structural and dynamic parameters on the accuracy of nano-precision positioning

Chengyuan LIANG, Fang YUAN, Xuedong CHEN, Wei JIANG, Lizhan ZENG, Xin LUO

Journal Article

Kinematic calibration of precise 6-DOF stewart platform-type positioning systems for radio telescope

Juan Carlos JáUREGUI, Eusebio E. HERNáNDEZ, Marco CECCARELLI, Carlos LóPEZ-CAJúN, Alejandro GARCíA

Journal Article

Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Journal Article

Detection of the Pine Wilt Disease Tree Candidates for Drone Remote Sensing Using Artificial Intelligence Techniques

Mutiara Syifa, Sung-Jae Park, Chang-Wook Lee

Journal Article

Discussion on the Agricultural Information Science——On Construction of Agricultural Information System Engineering Again

Wang Renchao,Huang Jingfeng,Shi Zhou,Wang Ke

Journal Article

The realization of automatic positioning of crane in high precise in the storehouse for nuclear waste

Luan Xiuchun,Han Weishi,Wang Junling,Yang Aiguang

Journal Article

Influence of Rigidity of Feed System With Ball Screw in NC Lathe on Positioning Precision

Wu Nanxing,Hu Rufu,Sun Qinghong

Journal Article

The hoisting techniques of huge segments of the steel tower

Zhang Ping,Xiao Wenfu,Huang Tao,Jiang Jian,Cai Wei

Journal Article

Positioning Australia for the Future

Nicholas Brown, John Dawson, Ryan Ruddick

Journal Article

SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Journal Article

Engineering management: Global engineering research frontiers

Botao ZHONG, Luting QIU

Journal Article

MANURE AND METROPOLES---A GLOBAL FRAMEWORK FOR NUTRIENT CYCLING IN FOOD SYSTEMS

Journal Article

Soil security and global food security

Journal Article