R. Du

ORCID: 0009-0006-9339-0256
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About
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Research Areas
  • Advanced machining processes and optimization
  • Robotic Mechanisms and Dynamics
  • Nutrition and Health in Aging
  • Body Composition Measurement Techniques
  • Dynamics and Control of Mechanical Systems
  • Metal and Thin Film Mechanics
  • Solar Thermal and Photovoltaic Systems
  • Soft Robotics and Applications
  • Advanced Machining and Optimization Techniques
  • Heat Transfer and Optimization
  • Electronic Packaging and Soldering Technologies
  • Phase Change Materials Research
  • Human Motion and Animation
  • AI-based Problem Solving and Planning
  • Adipokines, Inflammation, and Metabolic Diseases
  • Machine Learning in Bioinformatics
  • Machine Fault Diagnosis Techniques
  • Hydrogen Storage and Materials
  • Robot Manipulation and Learning
  • Gear and Bearing Dynamics Analysis
  • Forensic and Genetic Research
  • Fluid Dynamics and Thin Films
  • Cancer Genomics and Diagnostics
  • Magnesium Alloys: Properties and Applications
  • Language and cultural evolution

Third People's Hospital of Yunnan Province
2024-2025

Dali University
2025

Central South University
2023

Chinese University of Hong Kong
2002-2011

Chinese Academy of Sciences
1998-2003

Institute of Genetics and Developmental Biology
2003

Harbin Medical University
1998

Chinese Academy of Medical Sciences & Peking Union Medical College
1998

Despite the fact that continuity of morphology fossil specimens modern humans found in China has repeatedly challenged Out-of-Africa hypothesis, Chinese populations are underrepresented genetic studies. Genetic profiles 28 sampled supported distinction between southern and northern populations, while latter biphyletic. Linguistic boundaries often transgressed across language families studied, reflecting substantial gene flow populations. Nevertheless, evidence does not support an independent...

10.1073/pnas.95.20.11763 article EN Proceedings of the National Academy of Sciences 1998-09-29

Sarcopenia, sarcopenic obesity, and hypertension are all widespread public health problems in middle-aged older populations, their association is controversial. The purpose of this study to analyze the relationship between sarcopenia, obesity with a community population China through large-scale longitudinal design. In cohort 7 years follow-up, was drawn from participants Health Retirement Longitudinal Study (CHARLS) 2011 followed up 2013, 2015, 2018. diagnostic criteria for sarcopenia were...

10.3389/fpubh.2024.1479169 article EN cc-by Frontiers in Public Health 2025-01-15

Sarcopenia is an age-related muscle senescence disease that leads to functional limitations, physical disability and premature death in older adults. Atherogenic index of plasma (AIP) a novel indicator atherosclerotic status based on triglycerides high-density lipoprotein cholesterol. The aim this study was investigate the association between AIP new-onset sarcopenia its components among middle-aged adults Chinese community. This cohort included 7,992 participants who were free 2011 China...

10.1038/s41598-025-86398-w article EN cc-by-nc-nd Scientific Reports 2025-01-17

It is very important to use a reliable and inexpensive sensor obtain useful information about manufacturing processing, such as cutting force for monitoring automated machining. In this paper, the feed-cutting estimated using current sensors installed on ac servomotor of computerized numerical control (CNC) turning center, with results applied intelligent tool wear system. The mathematical model used disclose implicit dependency feed-motor feed speed. Afterwards, neuro-fuzzy network identify...

10.1109/tsmcc.2004.829296 article EN IEEE Transactions on Systems Man and Cybernetics Part C (Applications and Reviews) 2004-10-26

This paper is the second part of our study on designing a new type metal forming press. In first (Du, R., and Guo, W. Z., 2003, ASME J. Mech. Des., 125(3), pp. 582–592), controllable mechanical press introduced that consists large constant-speed motor (CSM) small variable-speed servomotor (VSM). The CSM provides up to 80% power while VSM tunes motion ram. design has number advantages: it flexible (i.e., its ram programable), fast (its speed limited only by motion), energy efficient (the can...

10.1115/1.1954791 article EN Journal of Manufacturing Science and Engineering 2004-07-21

10.1016/j.engappai.2004.04.019 article EN Engineering Applications of Artificial Intelligence 2004-06-25

A new method for workpiece error analysis and compensation in turning is introduced. It known that the consists of two parts: machine tool (including geometric thermal-induced error) cutting-induced error. The independent on machining operation and, hence, can be measured off-line using a fine-touch sensor with Q-setter (FTS-Q) (also called quick touch setter). thermal dependent cutting speed, feed, time environmental temperature. estimated radius basis function (RBF) artificial neural...

10.1080/00207540110100685 article EN International Journal of Production Research 2002-01-01

Single loop N-bar linkages that contain one prismatic joint are common in engineering. This paper presents a systematical study on the mobility of this type mechanism. It is found mechanisms can be divided into three categories: Class I, II and III. For each category, slide reachable range cut different regions: Grashofian region, non-Grashofian region change-point region. At rotation revolute or rotatability linkage able to determine based Ting’s criteria. The characteristics charts given...

10.1115/detc2005-84910 article EN 2005-01-01

Abstract Purpose The sarcopenia index (SI) is a convenient method to screen for sarcopenia, but few studies have analysed whether there are sex differences. aim of this study was analyse differences in the relationship between SI and Chinese community-based population. Methods This cross-sectional included participants from 2011 China Health Retirement Longitudinal Study. defined as 100 × creatinine / cystatin C. Diagnosis based on Asian Working Group Sarcopenia 2019 consensus. Logistic...

10.1007/s41999-024-01111-w article EN cc-by European Geriatric Medicine 2024-12-02

10.1016/j.engappai.2005.08.007 article EN Engineering Applications of Artificial Intelligence 2005-10-24

This paper presents the design, dynamic modelling and experiment validation of a novel controllable mechanical metal forming press. The press is designed based on hybrid 2-DOF planar mechanism. It driven by Constant Speed Motor (CSM) with flywheel servomotor simultaneously. CSM provides main power, while tunes velocity punch to realise different motions. Because loading variation process, dynamics crucial for control accuracy. In this paper, model derived using kineto-static method....

10.1504/ijmr.2006.011963 article EN International Journal of Manufacturing Research 2006-01-01

Identifying the function of therapeutic peptides is an important issue in development novel drugs. To reduce time and labor costs required to identify peptides, computational methods are increasingly required. However, most existing peptide prediction models used for predicting a single function, ignoring fact that bioactive might simultaneously consist multi-activities. Furthermore, few multi-label classification models, feature extraction procedures still rough. We propose framework,...

10.1109/tcbb.2023.3315330 article EN IEEE/ACM Transactions on Computational Biology and Bioinformatics 2023-09-14

This paper presents an instrument for measuring the mechanical properties of MEMS materials by both nanoindentation and micro-beam-bending tests. The test requires high resolution within a very small displacement range, whereas needs relatively large range but lower resolution. Though, tests, loading with increment is necessary. In order to satisfy different requirements yet save cost, two-stage system driven PZT actuator in first stage DC-Mike Linear motor second designed built. achieves...

10.1115/mnc2007-21421 article EN First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B 2007-01-01

Heat pipes have been applied popularly in microelectronic cooling, which grooved heat are the one of main types. Most commercial with OD 6mm 55 grooves and groove width is larger than 200μm, causes biggest drawback having no fine anti-gravity performance. In this paper, a fabrication method inner micro-grooved investigated. First, die micro-tooth was fabricated by micro wire electrical discharge machining (WEDM). Utilizing diameter 30μm, it can machine slot minimum size 45μm wide, surface...

10.1115/micronano2008-70068 article EN 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems 2008-01-01

The SU8-based UV-LIGA process, which combines lithography with electroforming, is a low cost fabrication method for producing MEMS and precision engineering parts. With lower surface energy friction coefficient, these micro parts are required applications such as gears movable microstructures. This paper introduces technique to fabricate Ni-PTFE using special treated galvanic bath. experiment results show that the composite electroforming process robust fabricated have good tribological properties.

10.1117/12.810665 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2008-12-12
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