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Enhancing the terrain adaptability of a multirobot cooperative transportation system via novel connectors

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0754-2

Abstract: Given limited terrain adaptability, most existing multirobot cooperative transportation systems (MRCTSsThis study proposes a novel MRCTS based on tracked mobile robots (TMRs) to improve terrain adaptability

Keywords： multirobot system     cooperative transportation     terrain adaptability     trajectory tracking     collaborative    

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Footholds optimization for legged robots walking on complex terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0742-y

Abstract: The algorithm can efficiently run onboard and online by using terrain perception information to protecttripping on the edge of obstacles, and to improve its stability and safety when walking on complex terrainBy relying on the depth camera installed on the robot and obtaining the terrain heightmap, the algorithmthe algorithm on a hexapod robot, and verified its feasibility in a walking experiment on a complex terrain

Keywords： footholds optimization     legged robot     complex terrain adapting     hexapod robot     locomotion control    

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Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0760-4

Abstract: Compared with the body orientation under the time-based control method regardless of terrain, the root

Keywords： multi-information fusion     contact detection     quadruped robot     probabilistic contact model     unstructured terrain    

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Terrain classification and adaptive locomotion for a hexapod robot Qingzhui

Yue ZHAO, Feng GAO, Qiao SUN, Yunpeng YIN

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 271-284 doi: 10.1007/s11465-020-0623-1

Abstract: A terrain classification and adaptive locomotion method for a hexapod robot named Qingzhui is proposedFirst, a force-based terrain classification method is suggested.is developed to control the robot, and the parameters of active compliance control change with the terrain

Keywords： terrain classification     hexapod robot     legged robot     adaptive locomotion     gait control    

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Post-Impact Evaluation of SARS in 2003 on Transportation in China———Loss Estimation of２８Provinces in China Based on Background-Trend-Line

Sun Gennian,Ma Lijun

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 32-37

Abstract:

The SARS in 2003 is a public health crisis in China.  The passenger transport witnesses serious landslide and suffers a heavy loss.  In this article,  the loss of passenger transport and its regional difference impacted by SARS are analyzed and estimated. The loss of passenger transport is nearly 1. 007 billion person- times in 2003 impacted by SARS crisis, in which the highway transportation loss is 888 million, the railway loss is 105 million, the aviation is 16. 12 million and water carriage is 19. 43 million. As a short breaking event, it starts from March in 2003 for the crisis formation, breaks out in whole from May to June, and enters the decay and comeback from July to August,  and has a compensating from November to December after the crisis. Due to the difference in transport location and epidemic situation,  the loss of passenger transport impacted by SARS in 28 provinces in China can be classified into 4 types. Guangdong, Sichuan and Hebei suffer the most and the loss is over 100 million person-times. The relativity analysis is carried out based on the loss of transportation,  cardinal number in 2003 and the number of infect person of SARS,  and a new spatial forecast model is put forward for space forecast in transport crisis. The model shows that the marginal coefficient of transportation cardinal number is 0. 788 46,  the marginal coefficient of SARS patients is 0. 075 868.

Keywords： SARS crisis     background trend line     loss of transportation     terrain distribution     spatial model    

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Experimental research on micro-terrain exploring technology based on deep-ocean cobalt-rich crusts exploitation

Luo Bowen,Xia Yimin,Wang Tao,Bai Hongfeng,Wang Kezhi

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 78-83

Abstract: A single-beam swing ultrasonic micro-terrain detection method was proposed based on occurrence of cobalt

Keywords： cobalt-rich crusts     ultrasonic     micro-terrain     windowed     support vector    

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Stability and agility: biped running over varied and unknown terrain

Yang YI,Zhi-yun LIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 283-292 doi: 10.1631/FITEE.1400284

Abstract: We tackle the problem of a biped running over varied and unknown terrain.fast, but it increases the challenge of dynamic balance, especially when a biped is running on varied terrainwithout terrain information (due to the difficulty and cost of obtaining the terrain information inThen to ensure a small state jump at touchdown on the unknown terrain, the velocity of the swing footIt is able to run over upward and downward terrain with a height difference of 0.15 m, which shows the

Keywords： Underactuated running biped     Dynamic balance     Varied and unknown terrain    

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3D Digital Terrain Modeling and Analysis in Water Resources and Hydropower Engineering

Zhong Denghua,Li Mingchao,Wang Gang,Guo Xiang,Wu Kangxin

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 65-70

Abstract:

Due to the extensive terrain region and complicated irregular topographic form, great difficultiesWith the development of modern hydropower engineering, 3D digital terrain models have obtained wide applications, such as dynamic fill and dig of terrain, site layout, cruising of general construction layout, andof digital terrain, multiresolution model, terrain simplification and terrain reality.requirements of 3D geological models, the NURBS technique was introduced to rebuild the simplified terrain

Keywords： digital terrain model     triangulated irregular network     level of details     NURBS technique     water resources    

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Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 236-242 doi: 10.1007/s11783-010-0218-8

Abstract: Copper and zinc interaction on clearance from water and distribution in different tissues was investigated

Keywords： interaction     mussel     copper     zinc     clearance     distribution    

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DARPA Robotics Grand Challenge Participation and Ski-Type Gait for Rough-Terrain Walking Article

Hongfei Wang, Shimeng Li, Yuan F. Zheng

Engineering 2015, Volume 1, Issue 1,   Pages 36-45 doi: 10.15302/J-ENG-2015006

Abstract: As members of team DRC-HUBO, we propose different approaches for the Rough-Terrain task, such as enlarged

Keywords： humanoid robot     DARPA robotics challenge (DRC)     rough-terrain walking     Ski-Type gait    

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Nitrogen distribution in the products from the hydrothermal liquefaction of sp. and sp.

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 985-995 doi: 10.1007/s11705-021-2126-y

Abstract: ., reaction temperature, residence time, solid loading rate) on the distribution of nitrogen in the oildifferences of amino acids in the protein components in the two microalgae might affect the nitrogen distribution

Keywords： microalgae     hydrothermal liquefaction     biocrude     nitrogen distribution    

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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: Taking the low-temperature superheater of a 610 t/h-boiler as an example, the distribution of energy,

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Estimation of distribution algorithm enhanced particle swarm optimization for water distribution network

Xuewei QI,Ke LI,Walter D. POTTER

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 341-351 doi: 10.1007/s11783-015-0776-z

Abstract: The optimization of a water distribution network (WDN) is a highly nonlinear, multi-modal, and constrainedAn improved estimation of distribution algorithm (EDA) using historic best positions to construct a sampleTwo water distribution network benchmark examples from the literature are adopted to evaluate the performance

Keywords： particle swarm optimization (PSO)     diversity control     estimation of distribution algorithm (EDA)     waterdistribution network (WDN)     premature convergence     hybrid strategy    

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Hazard and vulnerability evaluation of water distribution system in cases of contamination intrusion

Kunlun XIN, Tao TAO, Yong WANG, Suiqing LIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 839-848 doi: 10.1007/s11783-012-0409-8

Abstract: In this paper, it proposed an index system for hazard and vulnerability evaluations of water distributiontotal absorption are the most important factors in hazard and vulnerability evaluation of the water distribution

Keywords： water distribution network     hazard     vulnerability     contaminant accident    

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Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 241-248 doi: 10.1007/s11465-011-0219-x

Abstract:

This paper presents a new calculation method that can calculate the load distribution on pipe threaded

Keywords： load distribution     calculation method     pipe threaded connections     tension load    

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Title Author Date Type Operation

Enhancing the terrain adaptability of a multirobot cooperative transportation system via novel connectors

Journal Article

Footholds optimization for legged robots walking on complex terrain

Journal Article

Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Journal Article

Terrain classification and adaptive locomotion for a hexapod robot Qingzhui

Yue ZHAO, Feng GAO, Qiao SUN, Yunpeng YIN

Journal Article

Post-Impact Evaluation of SARS in 2003 on Transportation in China———Loss Estimation of２８Provinces in China Based on Background-Trend-Line

Sun Gennian,Ma Lijun

Journal Article

Experimental research on micro-terrain exploring technology based on deep-ocean cobalt-rich crusts exploitation

Luo Bowen,Xia Yimin,Wang Tao,Bai Hongfeng,Wang Kezhi

Journal Article

Stability and agility: biped running over varied and unknown terrain

Yang YI,Zhi-yun LIN

Journal Article

3D Digital Terrain Modeling and Analysis in Water Resources and Hydropower Engineering

Zhong Denghua,Li Mingchao,Wang Gang,Guo Xiang,Wu Kangxin

Journal Article

Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Journal Article

DARPA Robotics Grand Challenge Participation and Ski-Type Gait for Rough-Terrain Walking

Hongfei Wang, Shimeng Li, Yuan F. Zheng

Journal Article

Nitrogen distribution in the products from the hydrothermal liquefaction of sp. and sp.

Journal Article

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Estimation of distribution algorithm enhanced particle swarm optimization for water distribution network

Xuewei QI,Ke LI,Walter D. POTTER

Journal Article

Hazard and vulnerability evaluation of water distribution system in cases of contamination intrusion

Kunlun XIN, Tao TAO, Yong WANG, Suiqing LIU

Journal Article

Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Journal Article