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A large-current, highly integrated switched-capacitor divider with a dual-branch interleaved topology and light load efficiency improvement Research Articles

Sheng LIU, Menglian ZHAO, Zhao YANG, Haonan WU, Xiaobo WU,liusheng_0827@zju.edu.cn,zhaoml@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 317-327 doi: 10.1631/FITEE.2000404

Abstract: An effective on-chip gate-driving method using a capacitively coupled floating-voltage level shifterDue to the self-powered structure, the flying capacitor itself is also a bootstrap capacitor for gateExperimental results verify the effectiveness of the dual-branch interleaved operation and the self-powered gate-driving

Keywords： Switched-capacitor converter     Dual branch     Integrated circuit     Bootstrap gate driver    

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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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Predication of discharge coefficient of cylindrical weir-gate using adaptive neuro fuzzy inference systems

Abbas PARSAIE,Amir Hamzeh HAGHIABI,Mojtaba SANEIE,Hasan TORABI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 111-122 doi: 10.1007/s11709-016-0354-x

Abstract: Weir-gate is a combination of weir and gate structures which solves them Infirmities.their performance, investigators have proposed cylindrical shape to improve the performance of weir-gatestructure and call it cylindrical weir-gate.In this research, discharge coefficient of weir-gate was predicated using adaptive neuro fuzzy inferencesensitivity analysis of MLP and ANFIS showed that Froude number of flow at upstream of weir and ratio of gate

Keywords： weir-gate     soft computing     crest geometry     circular crest weir     cylindrical shape    

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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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Development of 8-inch Key Processes for Insulated-Gate Bipolar Transistor Article

Guoyou Liu,Rongjun Ding,Haihui Luo

Engineering 2015, Volume 1, Issue 3,   Pages 361-366 doi: 10.15302/J-ENG-2015043

Abstract: well as the fourth-generation high-voltage double-diffused metal-oxide semiconductor (DMOS+) insulated-gatebipolar transistor (IGBT) technology and the fifth-generation trench gate IGBT technology, have been

Keywords： insulated-gate bipolar transistor (IGBT)     high power density     trench gate     8-inch     rail transportation    

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Design of a novel RTD-based three-variable universal logic gate

Mao-qun YAO,Kai YANG,Cong-yuan XU,Ji-zhong SHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 694-699 doi: 10.1631/FITEE.1500102

Abstract: The threshold logic gate has attracted much attention because of its powerful logic function.The resonant tunneling diode (RTD) is well suited for implementing the threshold logic gate because ofOn this basis, a novel three-variable universal logic gate (ULG3) is proposed, composed of two RTD-baseduniversal threshold logic gates (UTLG) and an RTD-based three-variable XOR gate (XOR3).Thus, the proposed ULG3 provides a new efficient universal logic gate to implement RTD-based arbitrary

Keywords： Resonant tunneling diode (RTD)     Threshold logic gate     Reed-Muller expansion     Universal logic gate    

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A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 63-67

Abstract:

In thermally stratified reservoir, a multi-level intake structure is usually adopted in hydropower station to reduce the negative effect of releasing lower-temperature water to the environment in downstream reach. And a simple and practical formula of water temperature released is need. In this paper, based on Nuozhadu Hydropower Station, a model test is conducted to model the thermal stratification of this reservoir, and measure the temperature of water released from the intake structure. A prediction formula of water temperature released is put forward based on the experimental data. The formula is validated by the experimental results of water temperature released from the intakes of Jinping No.1 Hydropower Station.

Keywords： thermally stratified reservoir     hydropower station intake     stop-log gate     formula of water temperature    

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Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11465-012-0312-9

Abstract: be generated by the different Pulse-Width Modulation (PWM) signals generated by Field-Programmable Gate

Keywords： Pulse-Width Modulation (PWM)     Field-Programmable Gate Array (FPGA)     frequency controllable    

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A case study on sample average approximation method for stochastic supply chain network design problem

Yuan WANG, Ruyan SHOU, Loo Hay LEE, Ek Peng CHEW

Frontiers of Engineering Management 2017, Volume 4, Issue 3,   Pages 338-347 doi: 10.15302/J-FEM-2017032

Abstract: nonanticipativity constraints, branch-and-fix coordination, sample average approximation (SAA) with Bayesian bootstrap

Keywords： supply chain network     stochastic demand     sampling average approximation     Bayesian bootstrap     Latin hypercube    

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Sinks of steel in China–addition to in-use stock, export and loss

Hua GUO,Tianzhu ZHANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 141-149 doi: 10.1007/s11783-014-0696-3

Abstract: Examining the driver of steel demand is of great significance to the structural adjustment and sustainableThe researchers conclude that addition to in-use stock is the main driver of steel demand and that the

Keywords： steel demand     driver     Material Flow Analysis (MFA)     Substance Flow Analysis (SFA)     addition to in-use stock    

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Title Author Date Type Operation

A large-current, highly integrated switched-capacitor divider with a dual-branch interleaved topology and light load efficiency improvement

Sheng LIU, Menglian ZHAO, Zhao YANG, Haonan WU, Xiaobo WU,liusheng_0827@zju.edu.cn,zhaoml@zju.edu.cn

Journal Article

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

Predication of discharge coefficient of cylindrical weir-gate using adaptive neuro fuzzy inference systems

Abbas PARSAIE,Amir Hamzeh HAGHIABI,Mojtaba SANEIE,Hasan TORABI

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

Development of 8-inch Key Processes for Insulated-Gate Bipolar Transistor

Guoyou Liu,Rongjun Ding,Haihui Luo

Journal Article

Design of a novel RTD-based three-variable universal logic gate

Mao-qun YAO,Kai YANG,Cong-yuan XU,Ji-zhong SHEN

Journal Article

A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Journal Article

Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Journal Article

A case study on sample average approximation method for stochastic supply chain network design problem

Yuan WANG, Ruyan SHOU, Loo Hay LEE, Ek Peng CHEW

Journal Article

Sinks of steel in China–addition to in-use stock, export and loss

Hua GUO,Tianzhu ZHANG

Journal Article