Yijun He

ORCID: 0000-0003-0453-1477
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Research Areas
  • Advanced Battery Technologies Research
  • Advancements in Battery Materials
  • Tuberculosis Research and Epidemiology
  • Advanced Battery Materials and Technologies
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Monetary Policy and Economic Impact
  • Economic Theory and Policy
  • Infectious Diseases and Tuberculosis
  • Mycobacterium research and diagnosis
  • Economic theories and models
  • Extracellular vesicles in disease
  • Diagnosis and treatment of tuberculosis
  • Electric Vehicles and Infrastructure
  • Reliability and Maintenance Optimization
  • Granular flow and fluidized beds
  • MicroRNA in disease regulation
  • Hybrid Renewable Energy Systems
  • Pneumonia and Respiratory Infections
  • Noise Effects and Management
  • Vehicle emissions and performance
  • Climate Change and Health Impacts
  • Process Optimization and Integration
  • RNA modifications and cancer
  • Smart Grid and Power Systems
  • Air Quality and Health Impacts

Shanghai Jiao Tong University
2014-2025

Chinese Academy of Medical Sciences & Peking Union Medical College
2020-2025

Wuhan University
2024

Third Affiliated Hospital of Guangzhou Medical University
2023

Guangzhou Medical University
2023

State Key Laboratory of Respiratory Disease
2023

Peking Union Medical College Hospital
2022

Academy of Medical Sciences
2022

The Sixth People's Hospital of Zhengzhou
2020

Hong Kong R&D Centre for Logistics and Supply Chain Management Enabling Technologies
2013

Accurate state of health (SOH) estimation in lithium‐ion batteries, which plays a significant role not only charge (SOC) but also remaining useful life (RUL) prognostics is studied. SOC and RUL often require one‐step‐ahead long‐term SOH prediction, respectively. A systematic multiscale Gaussian process regression (GPR) modeling method proposed to tackle accurate problems. Wavelet analysis utilized decouple global degradation, local regeneration fluctuations time series. GPR with the...

10.1002/aic.14760 article EN AIChE Journal 2015-02-09

Electrochemical impedance spectroscopy (EIS) is used not only to give a thorough understanding of reaction kinetics and transport mechanisms in lithium-ion batteries (LIBs), but also provide promising nondestructive tool for state charge (SOC) estimation. Although various equivalent circuit models (ECMs) have been proposed model spectra, the impact SOC on parameters often neglected these models. In this study, nonlinear relationship between explicitly characterized using analytical...

10.1109/tpel.2017.2780184 article EN IEEE Transactions on Power Electronics 2017-12-06

The accurate state of charge (SOC) estimation plays a significant role in charge/discharge control, balance and safe management lithium-ion batteries (LIBs). However, due to the model mismatch issues, either from battery inconsistency or dynamic characteristics difference, accuracy model-based SOC method is usually unsatisfactory. To solve this problem, joint moving horizon (joint-MHE) approach that can simultaneously estimate parameter proposed here. In paper, circuit-equivalent first...

10.1109/tpel.2018.2861730 article EN IEEE Transactions on Power Electronics 2018-08-03

Evidence showed that air pollution was associated with an increased risk of tuberculosis (TB). This study aimed to the impact long-term exposure ambient particulate matter aerodynamic diameter less than 2.5 μm (PM2.5) on acquisition LTBI and subsequent active disease development among rural older adults from a multicentre cohort, which have not yet been investigated date. A total 4790 were included in population-based, multicenter, prospective cohort (LATENTTB-NSTM) 2013 2018. The level...

10.1080/22221751.2024.2302852 article EN cc-by-nc Emerging Microbes & Infections 2024-01-19

ABSTRACT Background Computer‐aided detection (CAD) software has been introduced to automatically interpret digital chest X‐rays. This study aimed evaluate the performance of CAD (JF CXR‐1 v3.0, which was developed by a domestic Hi‐tech enterprise) in tuberculosis (TB) case finding China. Methods In 2019, we conducted an internal evaluation JF v3.0 reading standard images annotated panel experts. 2020, using results X‐rays experts as reference standard, on‐site prospective and local...

10.1002/cdt3.70001 article EN cc-by Chronic Diseases and Translational Medicine 2025-04-02

To assess the association of pulmonary tuberculosis (PTB) recurrence with fine particulate matter (PM2.5) and residential greenness using a population-based retrospective study design. All incident PTB patients, registered in Tuberculosis Information Management System (TBIMS) from 2015 to 2019 Quzhou City, China, were included. The data on PM2.5 exposure was extracted China High Air Pollutants dataset level estimated Normalized Difference Vegetation Index (NDVI) values around patient's...

10.1016/j.onehlt.2025.101035 article EN cc-by One Health 2025-04-01

<title>Abstract</title> <bold>Background</bold> The adverse effects of long-term exposure to particulate matter (PM<sub>2.5</sub>) have been found be closely associated with mortality. However, the relevant research on different levels in rural areas is insufficient China.<bold>Methods</bold> Based a multicenter population-based prospective study, adult residents (≥ 15 years old) from three study sites PM<sub>2.5</sub> were tracked for death events between 2013 and 2023. estimated values...

10.21203/rs.3.rs-6215443/v1 preprint EN Research Square (Research Square) 2025-04-17

Background To investigate the impact of major air pollutants on development tuberculosis (TB) among adults with latent infection (LTBI) in rural areas China. Methods Based a population-based multicenter cohort study conducted since 2013, we aimed to examine associations between various and risk active TB from LTBI. The estimates were assessed using time-dependent Cox regression models, non-linearity evaluated by restricted cubic splines. China High Air Pollutants datasets used feature...

10.1183/23120541.00390-2025 article EN cc-by-nc ERJ Open Research 2025-04-17

From 2020 to 2022, a pulmonary tuberculosis (PTB) active case finding project based on chest X-ray (CXR) examination was conducted targeting individuals aged ≥ 65 years old in Jiangshan County, Quzhou City. The current study used computer-aided detection (CAD) software (JF CXR-1 v2) retrospectively analyze the CXR images and estimate its potential capacity for identifying PTB cases. information of notified microbiologically confirmed among participants were exported from Tuberculosis...

10.1080/22221751.2025.2470998 article EN cc-by Emerging Microbes & Infections 2025-04-22

Abstract This investigation was performed to study the underlying structure characteristics of acoustic emission (AE) signals, which could be helpful not only understand a relatively complete picture hydrodynamics in multiphase flow systems, but also extract most useful information from original signals with respect particular measurement requirement. However, due AE are made up many sources at different scales, resolution is often very complicated and appears poorly researched. In this...

10.1002/aic.11878 article EN AIChE Journal 2009-07-28

There has been increasing interest in continuous-time macroeconometric models. This research investigates stability of the Bergstrom, Nowman, and Wymer model U.K. when system parameters change. particularly well-regarded is chosen to assure empirical potential policy relevance results. Stability analysis important with this for understanding dynamic properties determining which are most those properties. The main objective paper determine boundaries at instability occurs. Two types found:...

10.2202/1558-3708.1047 article EN Studies in Nonlinear Dynamics and Econometrics 1999-01-01

In certificateless public key encryption (CL-PKE), the Private Key Generator (PKG) keeps a master secret to generate partial private corresponding user's identity. Together with value generated by user, full can be constructed for decryption. Traditional security model CL-PKE assumes that (i) both of PKG and user under attack are in absolute secrecy; (ii) attacker only obtain either target without any knowledge or vice versa. However, advancement practical side-channel attacks enable...

10.1145/2484389.2484394 article EN 2013-05-08

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10.1017/s0950268824001146 article EN cc-by-nc-nd Epidemiology and Infection 2024-11-08

Although the lithium-ion batteries (LIBs) have been increasingly applied in consumer electronics, electric vehicles, and smart grid, they still face great challenges from continuously improving requirements of energy density, power service life, safety. To solve these issues, various studies conducted surrounding battery design management methods recent decades. In hope providing some inspirations to research this field, state art for LIBs are reviewed here perspective process systems...

10.1088/1674-1056/ab90f8 article EN Chinese Physics B 2020-05-07
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