A5084168779- Traffic control and management
- Traffic Prediction and Management Techniques
- Transportation Planning and Optimization
- Traffic and Road Safety
- Infrastructure Maintenance and Monitoring
- Power Systems and Renewable Energy
- Asphalt Pavement Performance Evaluation
- Safety Warnings and Signage
- Advanced Algorithms and Applications
- Industrial Technology and Control Systems
- Autonomous Vehicle Technology and Safety
- Vehicle emissions and performance
- Image and Object Detection Techniques
- Plant Diversity and Evolution
- Advanced Sensor and Control Systems
- Smart Parking Systems Research
- Frequency Control in Power Systems
- Neuroscience and Neural Engineering
- Transportation Safety and Impact Analysis
- Biofuel production and bioconversion
- Cryospheric studies and observations
- Advanced Sensor and Energy Harvesting Materials
- Transport Systems and Technology
- Advanced Battery Technologies Research
- Evacuation and Crowd Dynamics
Peking University
2020-2025
Jilin Electric Power Research Institute (China)
2022-2024
California Department of Transportation
2013-2024
Shandong Agricultural University
2024
Hubei University of Arts and Science
2024
Beijing Jiaotong University
2024
Guangdong University of Technology
2022-2023
State Grid Corporation of China (China)
2023
Tianjin University
2021-2022
National Center for Nanoscience and Technology
2022
Dedicated short-range communication (DSRC) and 4G-LTE are two widely used candidate schemes for Connected Vehicle (CV) applications. It is thus of great necessity to compare these most viable standards clarify which one can meet the requirements V2X scenarios with respect road safety, traffic efficiency, infotainment. To best our knowledge, almost all existing studies on comparing feasibility DRSC or LTE in applications use software-based simulations, may not represent realistic constraints....
Many countries and regions across the world have been actively implementing their commitments to achieve carbon neutrality in response 2030 Agenda for Sustainable Development Paris Agreement on Climate Change (United Nations, 2021). This paper highlights some evolutions revolutions currently experienced by transportation industry different contexts with respect common environmental sustainability goals. The evolutionary revolutionary changes are powered adoption implementation of emerging...
This paper investigated the actual truck acceleration capability at metered on-ramps. Truck performance data were collected through a video-based collection method. A piecewise constant model was employed to capture characteristics. It found that existing length will affect drivers' behavior. At taper type ramp has limited distance, profile indicated decreasing trend with distance. While for an auxiliary lane sufficient it behavior is have high rate in beginning, then decrease speed...
A multisensor system is used to improve the ability of monitoring and tracking accuracy an engineering since only one sensor not enough, whereupon, faulty diagnosis, as a typical information fusion problem which under environment, has attracted much attention in recent years. The evidence theory been widely solve this problem. However, when there high level conflict between gathered from different sensors, counter-intuitive result could be obtained using classical Dempster's combination...
H+ intercalation, as a critical battery chemistry, enables electrodes' high rate performance due to the fast diffusion kinetics of H+. In this work, more water molecules are introduced into δ-MnO2 by protonation with abundant oxygen vacancies. Benefiting from structure close arrangement in interlayers, Grotthuss transport proton is achieved energy storage cathode. As result, cathode exhibits an ultrahigh capacity 368.1 mAh g–1 at 0.5 A and 83.4 50 g–1, which has retention 73% after 1100...
ABSTRACT Schwannoma surgeries pose a significant risk of postoperative neurological impairment. While intraoperative neuromonitoring (IONM) has improved surgical outcomes, it offers an indirect assessment neural structures and functions. However, during the surgeries, is not feasible to achieve comprehensive visualization nerves. To address this limitation, we introduced multi‐channel flexible microelectrode array (FMEA) characterized by its exceptional resolution, consistent conductivity,...
A methodology is presented for estimating and predicting the total annual traffic congestion attributable to recurrent nonrecurrent congestion. The applicable freeways, conventional highways, urban streets. sensitive improvements in facility surveillance freeway service patrol strategies. Recurrent estimated by using Highway Capacity Manual speed-flow curves data on demands, free-flow speeds, capacities. Nonrecurrent terms of vehicle hours delay caused weather, work zones, incidents, so...
Abstract This study proposed a method for fabricating 3D microstructures of ice without supporting material. The inkjet printing process was performed in low humidity environment to precisely control the growth direction crystals. In process, water droplets (volume = hundreds picoliters) were deposited onto previously formed structure, after which they immediately froze. Different structures (maximum height 2000 µm) could be by controlling substrate temperature, ejection frequency and...
Environmental factors and truck traffic loads have significant impacts on asphalt pavement performance. This study implements geospatial hot spot, correlation, decision tree analyses to investigate the of environmental A database with 1725 sections from Long-Term Pavement Performance (LTPP) program was built analyzed using spot analysis characterize spatial patterns factors, loads, distresses in different climatic regions across United States Canada. The statistical correlation conducted...
In this paper, the fundamental characteristics of PaveM—the pavement management system for California Department Transportation (Caltrans) is introduced first, together with various beta-testing efforts to validate and customize engineering configuration software. The implementation PaveM support development asset ten-year plan then described. tools methods implemented facilitate total investment determination individual project evaluation selection are presented in detail. end, lessons...
Based on the experimental data, life characteristics of lithium-ion battery were analyzed. According to data statistics, changes with number cycles, performance after repeated use is studied, and capacity, discharge efficiency, energy internal resistance other parameters are explored. The mathematical model usage times established by curve fitting, SOH predicted according this model. Finally, Li ion estimated voltage fitting method. Firstly, charging curves under different rates normalized,...
Ramp metering has been proven as an effective freeway-management strategy; however, one of the critical challenges in design and operation ramp is lack up-to-date guidance for acceleration lanes. This paper aims to investigate actual characteristics metered on-ramps with various geometric features also figure out speed profiles guide acceleration-lane length. A piecewise-constant model, which assumes vehicles making uniformly accelerated motion within each short space or time interval, was...
This paper compares queue lengths at the two different on-ramp configurations: arterial-to-freeway ramp and freeway-to-freeway connector. Mesoscopic length simulation models are developed based on input-output method. The method aims to model traffic flow arrival profile; then, mesoscopic generates random volume simulate stochasticity of flow. validated using field-collected data. Simulation results indicated that pattern has significant impacts length; vehicle platoons released from...
The operations of freeway ramp metering and urban traffic network signal control are independent in most areas. Such situation may cause some conflict between streams the two subsystems, or, at least, their dynamic interactions have not been taken into account from an overall system viewpoint. Traffic performance can be improved if controls these subnetworks integrated. This paper proposes a novel strategy for feeding intersection coordination integrating it with corresponding onramp...
Monitoring sleep conditions is of importance for quality evaluation and disease diagnosis. Accurate respiration detection provides key information about conditions. Here, we propose a perforated temperature sensor that can be worn below the nasal cavity to monitor breath. The sensing system consists two sensors, signal conditioning circuits, transmission module, supporting analysis algorithm. structure effectively enhances sensitivity shortens response time. sensor’s time 0.07 s in air...
AASHTO’s A Policy on Geometric Design of Highways and Streets (Green Book) is currently used by most state departments transportation in the United States determining design length acceleration lanes metered on-ramps; however, recommended lengths have not been updated for several decades. This study aimed to develop a method at on-ramps. Vehicle location versus time information was collected via parallel cameras seven on-ramps California; then, piecewise constant model proposed calculate...