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Detection of critical road roughness sections by trend analysis and investigation of driver speed interaction

Meltem SAPLIOGLU; Ayse UNAL; Melek BOCEK

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 515-532 doi: 10.1007/s11709-022-0814-4

Abstract: Pavement roughness (IRI—International Roughness Index values) influence the stability of traffic movements both on intercity roads and urban roads. This study is to determine the exact locations of critical pavement roughness values that affect traffic motion stability and comfort in city centre highway arteries. Roughness data with 10 m intervals were collected on a 3140 m divided road containing three consecutive signalized intersections in the city centre arterial. These data were analysed using the distance-dependent Mann-Kendall trend analysis method and checkerboard model. The sections where roughness is important were determined at a 95% confidence interval. The results will show where future pavement improvements should be prioritized for municipalities and road maintenance engineers and will form a basis for the urban road management system.

Keywords： trend analysis     checkerboard model     IRI     driver speed    

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Distributed governance of Solar Radiation Management geoengineering: A possible solution to SRM’s “free-driver

Andrew LOCKLEY

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 551-556 doi: 10.1007/s42524-019-0055-y

Abstract: However, this low cost leads to a risk of controversial unilateral intervention—the “free-driver” problemFree-driver deployment scenarios previously considered include the rogue state, Greenfinger (Bodansky

Keywords： geoengineering     Solar Radiation Management     governance     decentralised    

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Treatment of advanced non-small cell lung cancer with driver mutations: current applications and future

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 18-42 doi: 10.1007/s11684-022-0976-4

Abstract: With the improved understanding of driver mutations in non-small cell lung cancer (NSCLC), expandingMoreover, even patients with the same oncogenic driver gene can respond diversely to the same agent.Therefore, this review aimed to classify the management of NSCLC with driver mutations based on the geneThirdly, we discuss the effectiveness of ICIs for NSCLC with driver mutations and the combined therapeuticThis review will guide clinicians to design tailored treatments for NSCLC with driver mutations.

Keywords： non-small cell lung cancer     driver mutations     treatment strategy     resistant mechanism     immune-checkpoint    

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Approaching the upper boundary of driver-response relationships: identifying factors using a novel framework

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1676-2

Abstract:

● A novel framework integrating quantile regression with machine learning is proposed.

Keywords： Driver-response     Upper boundary of relationship     Interpretable machine learning     Quantile regression    

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Fuel type preference of taxi driver and its implications for air emissions

Feng WANG,Beibei LIU,Bing ZHANG,Jun BI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 702-711 doi: 10.1007/s11783-014-0665-x

Abstract: Natural gas became an available fuel for taxis in 2005 and had occupied a market share of 43.6% in taxi industry till 2010 in Nanjing, China. To investigate the energy replacement pattern as well as the pollutants reduction potential of the taxi industry, first, the fuel preference determinants of taxi drivers for their next taxis are analyzed. Results show that as an important alternative for the traditional gasoline, natural gas is widely accepted (75%) by taxi drivers. Different from the previous studies which focused on the early stage of cleaner fuel replacement, taxi drivers with various characteristics (such as age, working experience, and education level) are consistent with their fuel preference when they choose their next taxis. Result suggests that policies that concern consumers with specific characteristics may have little effects on the change of the market share, when the alternative fuel market has been developed well. In addition, the increased share of gas in the fuel market achieves a 7.2% reduction of energy consumption. Considering life cycle emissions, the following air pollutants, namely Greenhouse Gases (GHGs), carbonic oxide (CO), nitrogen oxide (NO ), particulate matters (PM) and hydrocarbons (C H ), gain 10.0%, 3.5%, 20.5%, 36.1%, and 26.4% of reduction respectively. Assuming all taxi fleets powered by natural gas with local policy intervention, the energy conservation and the five major air pollutant emissions could achieve the maximum reductions with 12.2%, 16.0%, 8.8%, 22.5%, 44.2%, and 49.4% correspondingly.

Keywords： fuel preference     energy replacement     environmental impacts     taxi    

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Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 56-59 doi: 10.1007/s11465-005-0017-4

Abstract:

A piezoelectric actuated prestage driver of hydraulic servo valves for the low-frequency responseof electrohydraulic servo valve electromagnetic prestage driver was presented.The new driver was driven by piezoelectric multilayer actuators.

Keywords： flexure-hinged amplifier     kHz     amplification     high-frequency     electromagnetic    

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Design and Developing of the Network Device Driver on Embedded Access Point

Wang Zhili,Hu Aiqun,Song Yubo

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 91-94

Abstract:

This paper systematically introduces the main structure of network device driver based on embeddedThe testing results of the network device driver are given at the end of the paper.

Keywords： embedded linux     network device driver     PCMCIA    

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Robust energy-efficient train speed profile optimization in a scenario-based position–time–speed network

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 595-614 doi: 10.1007/s42524-021-0173-1

Abstract: Train speed profile optimization is an efficient approach to reducing energy consumption in urban railassume deterministic parameters as model inputs, this paper proposes a robust energy-efficient train speedSpecifically, we first construct a scenario-based position–time–speed (PTS) network by considering resistanceThen, a percentile reliability model is proposed to generate a robust train speed profile, by which theeffectiveness of the model and analyze the influences of parameter uncertainties on the generated train speed

Keywords： robust train speed profile     percentile reliability model     scenario-based position–time–speed network    

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Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 463-482 doi: 10.15302/J-FEM-2017054

Abstract: This paper considers multiple perspectives to explore the concept of high-speed railway (HSR), rationallyThis paper analyzes the governance potential of major countries in the high-speed railway value chainand studies the feasible ways and development strategies to enhance the high-speed railway governanceSecond, the high-speed railway standard output has become the core competitiveness that embodies high-speedThird, the global high-speed railway market presents a hierarchical high-speed railway governance model

Keywords： high-speed railway value     communication value     high-speed railway value governance     governance path upgrade    

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CR-Fuxing high-speed EMU series

Frontiers of Engineering Management   Pages 742-748 doi: 10.1007/s42524-023-0281-1

Abstract: CR-Fuxing high-speed EMU series

Keywords： CR-Fuxing series     high-speed EMU     innovation     key system     digitalized collaborative design     engineering    

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Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 232-240 doi: 10.15302/J-FEM-2014043

Abstract: explores the principal motivations and successful experiences of the rapid development of China’s high speedUnder the overall coordination of the government, a high speed railway technology system has been formedThe target control system and support-guarantee system were established for the high speed railway projectcommissioning, conducting strict acceptance, and achieving construction management experiences on the high speed

Keywords： high speed railway     engineering management     practice     innovation    

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Being good or being known: International reputation of high-speed railway enterprises

Frontiers of Engineering Management   Pages 455-466 doi: 10.1007/s42524-023-0250-8

Abstract: With fierce competition in the global high-speed railway (HSR) market, international reputation has become

Keywords： high-speed railway     international reputation     being good     being known     structural equation modeling    

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Technical studies on high-speed turnouts for china railways

He Huawu

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 23-30

Abstract:

High-speed turnout serves as a vital part of track structure for high-speedIn this paper, design parameters and linear plane of high-speed turnout, main structure characteristicsof components (including fastening, turnout sleeper, switching system etc.), design theories of high-speedoffer remarkable guiding significance for the further R&D, test, verification and wide-use of high-speed

Keywords： high-speed railway     high-speed turnout     technical studies    

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WEIS wheel speed real-time measuring method for VOSM

Mengyao PAN, Guixiong LIU, Xiaobin HONG, Tusheng LIN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 322-327 doi: 10.1007/s11465-010-0022-0

Abstract: Wheel speed is one of the key parameters of vehicle operating attitude.To solve the problems in traditional wheel speed measuring methods, such as low measurement precisionmonitoring of the vehicle’s operating attitude, a wheel embedded intelligent sensors (WEIS) wheel speedThe experimental result shows that under experimental conditions the speed measurement error is −2.05%, and the speed measuring response time is 0.45 s.

Keywords： wheel embedded     intelligent sensing     wheel speed     monitoring    

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Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 327-335 doi: 10.1007/s42524-019-0051-2

Abstract: The arrival of the high-speed rail (HSR) era has accelerated the pace of urban development, but its broad

Keywords： high-speed rail     nodal zone     interactive effects     sustainable urbanization     China    

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Title Author Date Type Operation

Detection of critical road roughness sections by trend analysis and investigation of driver speed interaction

Meltem SAPLIOGLU; Ayse UNAL; Melek BOCEK

Journal Article

Distributed governance of Solar Radiation Management geoengineering: A possible solution to SRM’s “free-driver

Andrew LOCKLEY

Journal Article

Treatment of advanced non-small cell lung cancer with driver mutations: current applications and future

Journal Article

Approaching the upper boundary of driver-response relationships: identifying factors using a novel framework

Journal Article

Fuel type preference of taxi driver and its implications for air emissions

Feng WANG,Beibei LIU,Bing ZHANG,Jun BI

Journal Article

Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Journal Article

Design and Developing of the Network Device Driver on Embedded Access Point

Wang Zhili,Hu Aiqun,Song Yubo

Journal Article

Robust energy-efficient train speed profile optimization in a scenario-based position–time–speed network

Journal Article

Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Journal Article

CR-Fuxing high-speed EMU series

Journal Article

Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Journal Article

Being good or being known: International reputation of high-speed railway enterprises

Journal Article

Technical studies on high-speed turnouts for china railways

He Huawu

Journal Article

WEIS wheel speed real-time measuring method for VOSM

Mengyao PAN, Guixiong LIU, Xiaobin HONG, Tusheng LIN,

Journal Article

Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Journal Article