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Sagittal SLIP-anchored task space control for a monopode robot traversing irregular terrain

Haitao YU, Haibo GAO, Liang DING, Zongquan DENG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 193-208 doi: 10.1007/s11465-019-0569-3

Abstract: analytical investigation of sagittal SLIP dynamics by deriving an approximate solution with satisfactory apex

Keywords： legged robots     spring-loaded inverted pendulum     task space control     apex return map     deadbeat control     irregular    

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Financing climate-resilient infrastructure: Determining risk, reward, and return on investment

Peter B. MEYER, Reimund SCHWARZE

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 117-127 doi: 10.1007/s42524-019-0009-4

Abstract:

Urban infrastructure investment is needed for both, mitigation of climate risks and improved urban resiliency. Financing them requires the translation of those benefits into measurable returns on investment in the context of emerging risks that capital markets can understand and appreciate. This paper develops a generic framework to identify what are the necessary and sufficient factors to economically favor climate-change resilient infrastructure in private investment decisions. We specifically demonstrate that carbon pricing alone will not generate the needed will, because market prices at present systematically fail to account for climate change risks such as the costs of stranded assets and the national and local co-benefits of investments in climate resiliency. Carbon pricing is necessary, but not sufficient for an enhanced private financing of climate-resilient infrastructure. The Paris Agreement and other supra-local policies and actors including city networks can concretely help to generate the sufficient social and political will for investments into climate change mitigation and resiliency at the city level.

Keywords： infrastructure     urban finance     climate     low carbon economy    

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Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 769-776 doi: 10.1007/s11783-013-0542-z

Abstract: The study took Beijing as an example and analyzed five specific floods with return periods of 20-yearunprecedented LUCC; 2) LUCC can affect inundation extent and flood arrival time, and floods with longer returnperiods are more influenced; 3) LUCC can affect maximum water depth and floods with shorter return periods

Keywords： inundation extent     flood arrival time     maximum water depth     shallow flow model    

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Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 759-771 doi: 10.1007/s11705-022-2269-5

Abstract: ., multi-input self-organizing-map ResNet (MISR), for modeling refining units comprised of two reactorsThe model is comprised of self-organizing-map and the neural network parts.The self-organizing-map part maps the input data into multiple two-dimensional planes and sends thempredicts more accurately the product yields and properties than the previously introduced self-organizing-map

Keywords： hydrocracking     convolutional neural networks     self-organizing map     deep learning     data-driven optimization    

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Impact of Polarization Mode Dispersion on High-Speed Optical Codes

Rao Min,Sun Xiaohan,Zhang Mingde

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 67-70

Abstract: The statistical behavior of PMD is considered by simulating the nonreturn-to-zero (NRZ) and return-to-zero

Keywords： polarization mode dispersion (PMD)     non-return-to-zero (NRZ)     return-to-zero (RZ)     frequency chirp    

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A bacterial artificial chromosome-based physical map of

Yuhua FU,Zhiqiang XIA,Shujuan WANG,Xin CHEN,Cheng LU,Mingcheng LUO,Hongbin ZHANG,Wenquan WANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 321-329 doi: 10.15302/J-FASE-2016124

Abstract: A total of 29952 clones were fingerprinted and resulted in a cassava physical map composed of 2485 contigsThis BAC-based physical map provides valuable tools to understand the genetics and evolution of cassava

Keywords： cassava     BAC library     physical map    

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Thoughts and Suggestions on Autonomous Driving Map Policy

Liu Jingnan, Dong Yang, Zhan Jiao, Gao Kefu

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 92-97 doi: 10.15302/J-SSCAE-2019.03.004

Abstract: style="text-align: justify;">As a key infrastructure to realize autonomous driving, autonomous driving mapCurrently, constrained by laws and regulations related to ground mapping, map application, and supervisiongeographic information expression, qualifications for geographic information collection and the process for mapreview, accident liability and insurance issues, as well as autonomous driving map related test specificationsdevelopment and commercialization of autonomous driving vehicles in China: formulating an autonomous driving map

Keywords： autonomous driving map     autonomous driving regulation     autonomous driving policy    

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Map Update in Raster Mode by Means of Aerial and Space Images

Lin Zongjian

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 43-47

Abstract:

To meet the urgent needs of updating 1：10 000 scale and 1 ：50 000 scale topographic map for the wholeof China, an integrated techinique for key elements revision is proposed, in which the topographic mapraster mode through overlaying the precisely geo-rectified aerial or satellite image on the digitized mapThe following issues are specially presented： 1) The scanning resolution of topographic map digitization

Keywords： surveying and mapping     remote sensing     map updating     digital raster graphic (DRG)    

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Economic Analysis of Residential Distributed Solar Photovoltaic

Xi Luo,Jia-ping Liu

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 125-130 doi: 10.15302/J-FEM-2015031

Abstract: Under the huge challenges of global energy conservation, emission reduction and energy security, distributed solar photovoltaic industry has become the key means to achieve economic restructuring and low carbon economy. Based on System Advisor Model software, the authors choose Baoji as the sample plot. Household load, unit investment, loan interest rate and loan fraction are used as influence factors to analyze the economic benefits of distributed solar photovoltaic in China. The result demonstrates that government incentives help to increase the profitability of distributed solar photovoltaic by a large extent; other factors that influence the profitability includes household load, unit investment cost, loan interest rate and loan fraction.

Keywords： distributed solar photovoltaic     internal rate of return     price ladder     government incentives    

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Optimization of process parameters for mature landfill leachate pretreatment using MAP precipitation

Wei LI, Xiaowen DING, Min LIU, Yuewen GUO, Lei LIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 892-900 doi: 10.1007/s11783-012-0440-9

Abstract: experiments were carried out to determine the optimal conditions enhancing the magnesium ammonium phosphate (MAPThe residues of MAP sediments decomposed by heating under alkaline conditions can be reused as the sourceshigh concentrations of , and up to 90% of ammonium could be released under molar ratio of n[OH]∶n[MAP

Keywords： magnesium ammonium phosphate precipitation     mature landfill leachate     optimization     ammonium-nitrogen    

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Management innovation of Chang’e-5 project

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 620-626 doi: 10.1007/s42524-021-0165-1

Keywords： lunar exploration     sample return     systems engineering     project management    

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Optimization of fuel supply map during starting process of electronic controlled diesel engine

LIANG Jinguang, YU Xiumin, GAO Yue, WANG Yunkai, YU Hongyang, Gong Baoli

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 410-415 doi: 10.1007/s11708-008-0080-8

Abstract: Tests were conducted to study influence of fuel supply map during the starting process of an electronicThe calibration process of starting fuel supply map was educed under the principle of low HC emissionThe calibration methods of starting fuel supply map were obtained.

Keywords： supply     management     CA498Z     process     controlled distributor    

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A road-map for energy-neutral wastewater treatment plants of the future based on compact technologies

Hallvard Ødegaard

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0835-0

Abstract: In the paper concepts for wastewater treatment of the future are discussed by the use of a) one flow diagram based on established, compact, proven technologies (i.e. nitrification/denitrification for N-removal in the mainstream) and b) one flow diagram based on emerging, compact technologies (i.e. de-ammonification in the main stream).The latter (b) will give an energy-neutral wastewater treatment plant, while this cannot be guaranteed for the first one (a). The example flow diagrams show plant concepts that a) minimize energy consumption by using compact biological and physical/chemical processes combined in an optimal way, for instance by using moving bed biofilm reactor (MBBR) processes for biodegradation and high-rate particle separation processes, and de-ammonification processes for N-removal and b)maximize energy (biogas) production through digestion by using wastewater treatment processes that minimize biodegradation of the sludge (prior to digestion) and pretreatment of the sludge prior to digestion by thermal hydrolysis. The treatment plant of the future should produce a water quality (for instance bathing water quality) that is sufficient for reuse of some kind (toilet flushing, urban use, irrigation etc.). The paper outlines compact water reclamation processes based on ozonation in combination with coagulation as pretreatment before ceramic membrane filtration. In the paper concepts for domestic wastewater treatment plants of the future are discussed by the use of a) one flow diagram based on established, compact, proven technologies (i.e. nitrification/denitrification for N-removal in the mainstream) and b) one flow diagram based on emerging, compact technologies (i.e. de-ammonification in the main stream).The latter (b) will give an energy-neutral wastewater treatment plant, while this cannot be guaranteed for the first one (a). The example flow diagrams show plant concepts that a) minimize energy consumption by using compact biological and physical/chemical processes combined in an optimal way, for instance by using moving bed biofilm reactor (MBBR) processes for biodegradation and high-rate particle separation processes, and de-ammonification processes for N-removal and b)maximize energy (biogas) production through digestion by using wastewater treatment processes that minimize biodegradation of the sludge (prior to digestion) and pretreatment of the sludge prior to digestion by thermal hydrolysis. The treatment plant of the future should produce a water quality (for instance bathing water quality) that is sufficient for reuse of some kind (toilet flushing, urban use, irrigation etc.). The paper outlines compact water reclamation processes based on ozonation in combination with coagulation as pretreatment before ceramic membrane filtration.

Keywords： China concept WWTP     Energy-neutrality     De-ammonification     moving bed biofilm reactor (MBBR)    

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A Flexible Multi-Layer Map Model Designed for Lane-Level Route Planning in Autonomous Vehicles Article

Kun Jiang, Diange Yang, Chaoran Liu, Tao Zhang, Zhongyang Xiao

Engineering 2019, Volume 5, Issue 2,   Pages 305-318 doi: 10.1016/j.eng.2018.11.032

Abstract:

An increasing number of drivers are relying on digital map navigation systems in vehicles or mobileIn the near future, digital map navigation systems are expected to play more important roles in transportationnavigation systems to more applications, two fundamental problems must be resolved: the lane-level mapThe current limitation of the lane-level map model is not its accuracy but its flexibility; this studyproposes a novel seven-layer map structure, called as Tsinghua map model, which is able to support autonomous

Keywords： Lane-level     Route planning     Tsinghua map model     Travel cost model    

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Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 594-606 doi: 10.1631/FITEE.14a0260

Abstract: A dense surface map, which offers rich visual and geometric information, is an ideal representation ofsemi-dense point cloud and RGB images, we propose a method to generate a consistent and dense surface mapits corresponding image(s) and (2) incrementally fuse the dense surface of a new scan into the whole map

Keywords： Bionic robot     Robotic mapping     Surface fusion    

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Title Author Date Type Operation

Sagittal SLIP-anchored task space control for a monopode robot traversing irregular terrain

Haitao YU, Haibo GAO, Liang DING, Zongquan DENG

Journal Article

Financing climate-resilient infrastructure: Determining risk, reward, and return on investment

Peter B. MEYER, Reimund SCHWARZE

Journal Article

Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Journal Article

Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

Journal Article

Impact of Polarization Mode Dispersion on High-Speed Optical Codes

Rao Min,Sun Xiaohan,Zhang Mingde

Journal Article

A bacterial artificial chromosome-based physical map of

Yuhua FU,Zhiqiang XIA,Shujuan WANG,Xin CHEN,Cheng LU,Mingcheng LUO,Hongbin ZHANG,Wenquan WANG

Journal Article

Thoughts and Suggestions on Autonomous Driving Map Policy

Liu Jingnan, Dong Yang, Zhan Jiao, Gao Kefu

Journal Article

Map Update in Raster Mode by Means of Aerial and Space Images

Lin Zongjian

Journal Article

Economic Analysis of Residential Distributed Solar Photovoltaic

Xi Luo,Jia-ping Liu

Journal Article

Optimization of process parameters for mature landfill leachate pretreatment using MAP precipitation

Wei LI, Xiaowen DING, Min LIU, Yuewen GUO, Lei LIU

Journal Article

Management innovation of Chang’e-5 project

Journal Article

Optimization of fuel supply map during starting process of electronic controlled diesel engine

LIANG Jinguang, YU Xiumin, GAO Yue, WANG Yunkai, YU Hongyang, Gong Baoli

Journal Article

A road-map for energy-neutral wastewater treatment plants of the future based on compact technologies

Hallvard Ødegaard

Journal Article

A Flexible Multi-Layer Map Model Designed for Lane-Level Route Planning in Autonomous Vehicles

Kun Jiang, Diange Yang, Chaoran Liu, Tao Zhang, Zhongyang Xiao

Journal Article

Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Journal Article