Jian Liu

ORCID: 0000-0003-0737-5959
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About
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Research Areas
  • Magnetic and transport properties of perovskites and related materials
  • Shape Memory Alloy Transformations
  • Magnetic Properties of Alloys
  • Ergonomics and Musculoskeletal Disorders
  • Balance, Gait, and Falls Prevention
  • Remote Sensing and Land Use
  • Advanced Measurement and Detection Methods
  • Magnetic Properties and Applications
  • Multiferroics and related materials
  • Lower Extremity Biomechanics and Pathologies
  • Image and Signal Denoising Methods
  • Construction Engineering and Safety
  • Grit, Self-Efficacy, and Motivation
  • Musculoskeletal pain and rehabilitation
  • Stroke Rehabilitation and Recovery
  • Traffic and Road Safety
  • Ferroelectric and Piezoelectric Materials
  • Marriage and Family Dynamics
  • Smart Agriculture and AI
  • Occupational Health and Safety Research
  • Rare-earth and actinide compounds
  • Knee injuries and reconstruction techniques
  • Digital Storytelling and Education
  • Construction Project Management and Performance
  • Autonomous Vehicle Technology and Safety

Hunan University
2005-2023

Ningbo Institute of Industrial Technology
2016-2021

Chinese Academy of Sciences
2016-2021

University of Chinese Academy of Sciences
2018-2021

Shenyang Jianzhu University
2012-2020

Marshall University
2014-2019

Nanjing University
2017

Nanjing University of Science and Technology
2017

Northeastern University
2017

Heinz Maier-Leibnitz Zentrum
2017

Solid-state refrigeration based on the caloric effects is promising to replace traditional vapor-compressing technology due environmental protection and high efficiency. However, narrow working temperature region has hindered application of these technologies. In this paper, we propose a method combined caloric, through which broad can be realized in multiferroic alloy, Ni–Mn–Ga, by combining its elastocaloric magnetocaloric effects. Moreover, materials’ efficiency effect been greatly...

10.1063/1.4980161 article EN cc-by APL Materials 2017-04-01

BACKGROUND: Most fall intervention studies attempted to improve the mobility, range of motion upper and lower extremities, or all major muscle strengths.Yet, there has been little effort identify movements actions that may be mainly responsible for recovering from a slipping.It was imperative link extremity kinematics in conjunction with functional anatomy muscles during forward heel-slipping what should have activated substantially if person would recovered heel-slipping.OBJECTIVE: The...

10.3233/thc-199032 article EN other-oa Technology and Health Care 2019-04-30

Although the supervision system has been adopted in construction industry for more than 10 years China, a professional liability insurance engineer yet to be established. The implementation of China is suggested. range issues cover liabilities and typical faults engineer, scope liability, exclusions, types assured. three premium‐rating methods are presented. A five‐thrust strategy offered order overcome main obstacles. data applied analysis study were collected from comprehensive...

10.1080/01446190601139891 article EN Construction Management and Economics 2007-07-01

The characteristic temperatures of the magnetostructural phase transition in lamella Heusler alloy Ni <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">50</sub> Mn xmlns:xlink="http://www.w3.org/1999/xlink">18.5</sub> Ga xmlns:xlink="http://www.w3.org/1999/xlink">25</sub> Cu xmlns:xlink="http://www.w3.org/1999/xlink">6.5</sub> increase with decreasing geometric dimensions to nanometers. martensite was detected nanoscale portion at above M...

10.1109/lmag.2019.2944585 article EN IEEE Magnetics Letters 2019-01-01

Aiming at the problem of poor precision and low efficiency vision system when agricultural robot picks fruit, this paper effectively fuses deep learning with machine vision, proposes a new algorithm for fruit recognition location, R-FCN, combining regional suggestion network (RPN) full convolutional neural (FCN). The proposed uses FCN to convolve input image achieve feature extraction pixel level. Among them, fusion residual can make have more abundant information recognition, deconvolution...

10.1109/ccdc49329.2020.9163826 article EN 2020-08-01

The alloy with first-order magnetic phase transition has an advantage to exhibit large magnetoelectric effect in strain-mediated multiferroic composites, since the strain can drive its and consequently lead a change. In present paper, we investigate electric field manipulation of magnetocaloric properties LaFe11.4Si1.6H1.5/Pb(Mg1/3Nb2/3)O3–PbTiO3 laminate. By applying on ferroelectric substrate, relative change magnetization peak value −8% around Curie temperature, showing converse effect....

10.1088/0022-3727/49/40/405003 article EN Journal of Physics D Applied Physics 2016-09-12

The statistics show that more than 90% of traffic accidents are caused by the individual factors driver. Therefore, real-time monitoring current driver’s posture in car and further predicting future driving great significance for designing Adaptive Restraint System (ARS) to improve safety protection drivers. In this study, a vehicle driver recognition prediction method is proposed. traditional Kinect-OpenPose algorithm, which has problems such as lack depth value, key point pulsation...

10.1177/09544070231209348 article EN Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering 2023-12-27

The driver’s whole-body posture at the time of a collision is key factor in determining magnitude injury to driver. However, current researchs on driver models only consider upper body driver, and lower area which not perceived by sensors studied. This paper investigates establishes 3D model whole through application machine vision algorithms regression statistics. study proposes an improved Kinect-OpenPose algorithm for identifying spatial coordinates nine keypoints body. prediction four...

10.1177/09544070211068676 article EN Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering 2022-01-12

Differential scanning calorimetry (DSC) and x-ray diffraction (XRD) have been used to probe the martensitic transformation behaviors of Ni-Fe-Ga magnetic shape memory alloys. A complete intermartensitic was observed in polycrystallineNi56556.5Fe19019.0Ga2452 4.5和Ni56356.3Fe17017.0Ga2672 6.7 alloys, which is stimulated by change temperature include s an corresponding retransformation. The are both rmoelastic phases existing at room character ized as a monoclinic 14M structure.

10.7498/aps.54.1719 article EN cc-by Acta Physica Sinica 2005-01-01

The objective of the current study is to establish concurrent validity Biostage, as a novel markerless motion analysis system, in measuring lower extremity joint angles during prescribed motion. Traditional system (e.g., Vicon Motus) was used baseline. A laboratory involving 18 healthy young adults conducted. Both Biostage and Motus were collect sagittal while subjects performed squats. results indicated generally similar angle ensemble profiles between systems. Significant differences peak...

10.1177/1541931215591207 article EN Proceedings of the Human Factors and Ergonomics Society Annual Meeting 2015-09-01

Stereo matching is the most important step in binocular vision, traditional regional stereo to obtain target three-dimensional information slow and inaccurate.This paper presents an improved SIFT algorithm.Firstly, making epipolar constraint on left right image; secondly, selecting ROI of from images, reducing running time by dimension feature vectors accelerating speed using BBF algorithm based KD tree; finally, removing false RANSAC algorithm.The can get target's points quickly accurately,...

10.2991/emim-17.2017.230 article EN cc-by-nc 2017-01-01

10.47297/wspiedwsp2516-250009.20200409 article EN Journal of International Education and Development 2020-01-01
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