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Development of Representative Urban Driving Cycles for Congested Traffic Conditions in Guayaquil Using Real-Time OBD-II Data and Weighted Statistical Methods

Roberto López-Chila, Henry Abad-Reyna, Joao Morocho-Cajas, Pablo Fierro-Jimenez • Vehicles (2025)

Standardized driving cycles such as the FTP-75 fail to represent traffic conditions in cities like Guayaquil, where high congestion and varied driving behaviors are not captured by external models. This study aimed to develop representative...

DOAJ Open Access (DOAJ) DOI: 10.3390/vehicles7030095

Flexural Behaviour of Corroded RC Beams Strengthened with CFRCM: Refined Modelling, Parametric Analysis, and Design Assessment

Chaoqun Zeng, Jing-Pu Tang, Liangliang Wei, Miaochang Zhu et al. • Buildings (2026)

Reinforced concrete (RC) beams strengthened with carbon-fabric-reinforced cementitious matrix (CFRCM) systems have shown potential for restoring flexural performance, yet their effectiveness under different corrosion levels remains insuffic...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16020377

A Proactive Collision Avoidance Model for Connected and Autonomous Vehicles in Mixed Traffic Flow

Guojing Hu, Kun Li, Weike Lu, Ouchan Chen et al. • World Electric Vehicle Journal (2025)

Collision avoidance between vehicles is a great challenge, especially in the context of mixed driving of connected and autonomous vehicles (CAVs) and human-driven vehicles (HVs). Advances in automation and connectivity technologies provide ...

DOAJ Open Access (DOAJ) DOI: 10.3390/wevj16070394

Hybrid Dynamic Traffic Model for Freeway Flow Analysis Using a Switched Reduced-Order Unknown-Input State Observer

Yuqi Guo, Bin Li, Matthew Daniel Christie, Zongzhi Li et al. • Sensors (2020)

This paper introduces a new methodology for reconstructing vehicle densities of freeway segments by utilizing the limited data collected by traffic-counting sensors and developing a macroscopic traffic stream model formulated as a switched ...

DOAJ Open Access (DOAJ) DOI: 10.3390/s20061609

Integrated-Hybrid Framework for Connected and Autonomous Vehicles Microscopic Traffic Flow Modelling

Ammar Jafaripournimchahi, Yingfeng Cai, Hai Wang, Lu Sun et al. • Journal of Advanced Transportation (2022)

In this study, a novel traffic flow modeling framework is proposed considering the impact of driving system and vehicle mechanical behavior as two different units on the traffic flow. To precisely model the behavior of Connected and Autonom...

DOAJ Open Access (DOAJ) DOI: 10.1155/2022/2253697

Design, manufacturing, and performance evaluation of heat pipe with three-segmented composite wick structure

Jiu Yu, Yubo Hu, Yaoxing Peng • Case Studies in Thermal Engineering (2026)

The wick structure functions as a core component for heat pipe (HP) and stands as one of the critical factors that dictate the performance of HP. Consequently, this paper puts forward an three-segmented composite wick structure, which is ma...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2026.107724

Additive roles of antiferromagnetically coupled elements in the magnetic proximity effect in the GdFeCo/Pt system

Jung Yun Kee, Kook Tae Kim, In Hak Lee, Ilwan Seo et al. • Scientific Reports (2024)

Abstract Interfacial magnetic interactions between different elements are the origin of various spin-transport phenomena in multi-elemental magnetic systems. We investigate the coupling between the magnetic moments of the rare-earth, transi...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-024-60076-9

Pt and CoB trilayer Josephson $$\pi $$ π junctions with perpendicular magnetic anisotropy

N. Satchell, T. Mitchell, P. M. Shepley, E. Darwin et al. • Scientific Reports (2021)

Abstract We report on the electrical transport properties of Nb based Josephson junctions with Pt/Co $$_{68}$$ 68 B $$_{32}$$ 32 /Pt ferromagnetic barriers. The barriers exhibit perpendicular magnetic anisotropy, which has the main advantag...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-90432-y

Research progress in high thermal conductivity of silicon carbide matrix composites reinforced with fibers

CHEN Qiang, LI Shun, ZHU Li'an, BAI Shuxin et al. • Cailiao gongcheng (2023)

As one kind of advanced high temperature structural and functional materials, it is necessary for fiber reinforced silicon carbide matrix composites (SiC CMCs) in the field of thermal management (TM) to combine the efficient heat transfer a...

DOAJ Open Access (DOAJ) DOI: 10.11868/j.issn.1001-4381.2023.000079

Study on Flight Performance of Propeller-Driven UAV

Rui-lin Liu, Zhong-jie Zhang, Yu-fei Jiao, Chun-hao Yang et al. • International Journal of Aerospace Engineering (2019)

The engine performance test at altitudes of 0-7000 m was carried out on the high-performance test bench of the Unmanned Aerial Vehicle (UAV) piston engine. The flight performance of UAV was studied, including propeller thrust characteristic...

DOAJ Open Access (DOAJ) DOI: 10.1155/2019/6282451

An artificial neural network-based model for predicting paratransit travel time

George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering (2024)

The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2024.2386383

Drugs, dogs and driving: the potential for year-round thermal stress in UK vehicles

Anne J. Carter, Emily J. Hall, Sophie L. Connolly, Zoe F. Russell et al. • Open Veterinary Journal (2020)

Background: Dogs are regularly transported or housed in vehicles, with guidelines for housing dogs suggesting that the ambient temperature should be maintained between 15 – 24 °C. Veterinary drugs are routinely stored and carried in vehicle...

DOAJ Open Access (DOAJ) DOI: http://dx.doi.org/10.4314/ovj.v10i2.11

Effects of rye grass coverage on soil loss from loess slopes

Yuequn Dong, Tingwu Lei, Shuqin Li, Cuiping Yuan et al. • International Soil and Water Conservation Research (2015)

Vegetative coverage is commonly used to reduce urban slope soil erosion. Laboratory experimental study on soil erosion under grass covered slopes is conventionally time and space consuming. In this study, a new method is suggested to study ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.iswcr.2015.05.006

Numerical simulation of gravity-driven motion of fine-grained sediment deposits in large reservoirs: case study of the Three Gorges Reservoir

JIA Dongdong, ZHOU Jianyin, SHAO Xuejun, ZHANG Xingnong • Shui kexue jinzhan (2018)

Sediment deposition is one of the key issues during the processes of reservoir construction and operation. On the basis of the observed sedimentation patterns in the dam area of Three Gorges Reservoir (TGR), a schematic diagram of fine-grai...

DOAJ Open Access (DOAJ) DOI: 10.14042/j.cnki.32.1309.2018.01.007

Adaptive Tracking Control of Anchoring Unit for Pipeline Intelligent Plugging Robot Based on Improved Deep Deterministic Policy Gradient

Tingting Wu, Yaxin Liu, Laihe Qi, Pu Wang et al. • Machines (2026)

A pipeline intelligent plugging robot (PIPR) is an important tool in subsea pipeline maintenance and emergency repair. Precise position-tracking control is crucial for the in-pipe plugging operation of a PIPR. The anchoring module is the ke...

DOAJ Open Access (DOAJ) DOI: 10.3390/machines14060675

Study on Damage Behavior and Anti-Explosion Performance of Steel Fiber-Reinforced Cellular Concrete Under Underwater Contact Explosion

Hu Huang, Shubo Dai, Kelei Cao, Changxing Tang et al. • Buildings (2026)

To explore the damage mitigation mechanism of steel fiber-reinforced cellular concrete (SFR-CC) under underwater explosion loading, this study systematically analyzes two key variables: steel fiber volume fraction (0.5%, 1.0%, 1.5%, and 2.0...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16101975

Understanding the Attitudes of Communities to the Social, Economic, and Cultural Importance of Working Donkeys in Rural, Peri-urban, and Urban Areas of Ethiopia

Martha Geiger, Jo Hockenhull, Henry Buller, Gebre Tefera Engida et al. • Frontiers in Veterinary Science (2020)

Working donkeys (Equus africanus asinus) are vital to the development and support of people's livelihoods in rural, peri-urban, and urban areas of Ethiopia. However, despite their critical role in providing transport, food security, and inc...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2020.00060

Infestation of Ixodidae Ticks in Cattle: Prevalence and Associated Risk Factors in Ambo District, Western Ethiopia

Addis Kassahun Gebremeskel, Berhanu Mekibib, Bekele Dabassa • East African Journal of Biophysical and Computational Sciences (2022)

In Ethiopia, ticks cause serious economic loss, particularly in ruminants. A cross-sectional study was conducted in Ambo district, Western Ethiopia from October 2018 to June, 2019with the objectives of determining the prevalence, identifyin...

DOAJ Open Access (DOAJ) DOI: https://dx.doi.org/10.4314/eajbcs.v3i1.3S

Melatonin Regulates Lipid Metabolism in Porcine Cumulus–Oocyte Complexes via the Melatonin Receptor 2

Jun-Xue Jin, Jing-Tao Sun, Chao-Qian Jiang, Hong-Di Cui et al. • Antioxidants (2022)

Previous studies suggest that the inclusion of melatonin (MTn) in in vitro maturation protocols improves the developmental competence of oocytes by scavenging reactive oxygen species (ROS). However, the molecular mechanisms integrating mela...

DOAJ Open Access (DOAJ) DOI: 10.3390/antiox11040687