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Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4, Pages 476-482 doi: 10.1007/s11465-010-0120-z

Abstract: The tire-road contact mechanics is the key problem in vehicle ride comfort and road-friendliness researchIt is concluded that the quarter-vehicle model can be used to evaluate the ride comfort of vehicles;

Keywords： heavy vehicle integral balanced suspension enveloping properties ride comfort road-friendliness

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Evaluation of power regeneration in primary suspension for a railway vehicle

Ruichen WANG, Zhiwei WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2, Pages 265-278 doi: 10.1007/s11465-019-0571-9

Abstract: modified vehicle is evaluated with respect to key performance indicators, including regenerated power, ridecomfort, and running safety.

Keywords： railway vehicle primary damper power regeneration ride comfort running safety

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Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1, Pages 1-18 doi: 10.1007/s11465-009-0092-z

Abstract: This paper presents an overall review on the historical concept development and research advancement of passive hydraulically interconnected suspension (HIS) systems. It starts with an introduction to passive HIS systems and their various incarnations developed over many decades. Next, a description is provided of a recently proposed multidisciplinary approach for the frequency-domain analysis of vehicles fitted with an HIS. The experimental validation and applications of the method to both free and forced vibration analysis are discussed based on a simplified, roll-plane half-car model. A finite-element-method-based approddach for modelling the transient dynamics of an HIS vehicle is also briefly outlined. In addition, recent work on the investigation of NVH associated with HIS-equipped vehicles is mentioned. Discussion is then provided on future work to the further understanding of HIS and its applications. The paper concludes that interconnected suspension schemes can provide much greater flexibility to independently specify modal stiffness and damping parameters – a characteristic unique among passive suspensions. It points out that there is a need for system optimisation, and there are troublesome NVH issues that require solutions. It suggests that further research attention and effort be paid to NVH issues and system level optimisation to gain a greater understanding of HIS and to broaden its applications.

Keywords： interconnected suspensions rollover prevention vehicle dynamics ride comfort multibody system dynamics

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Engineering doi: 10.1016/j.eng.2023.06.014

Abstract: once again become a thriving topic in both academia and industry, due to the high demand for driving comfort

Keywords： Active suspension Vehicle dynamics Robust control Ride comfort Chassis attitude

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Inverse Analysis and Design of the Rational Acceleration of Mine Winder Rope System

Peng Youduo,Liu Deshun,Zhu Pingyu,Zhang Yongzhong,Guo Yingfu

Strategic Study of CAE 2002, Volume 4, Issue 4, Pages 64-68

Abstract:

The prompting acceleration of hoisting rope system determines the winderssitting comfort and the dynamicof hoisting rope system, by the characteristic lines numerical value analyzing method and taking the ridecomfort of hoisting cage and the little dynamic oscillation of hoisting rope as the aim, the rational

Keywords： hoisting rope system prompting acceleration ride comfort ableness dynamic tensile force inverse design

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Understanding network travel time reliability with on-demand ride service data

Xiqun (Michael) CHEN, Xiaowei CHEN, Hongyu ZHENG, Chuqiao CHEN

Frontiers of Engineering Management 2017, Volume 4, Issue 4, Pages 388-398 doi: 10.15302/J-FEM-2017046

Abstract: evaluate the urban network-wide travel time reliability, five indices based on the emerging on-demand rideWe use real-world data extracted from DiDi-Chuxing, which is the largest on-demand ride service platform

Keywords： network travel time reliability on-demand ride services travel time rate OD

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Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4, Pages 503-511 doi: 10.1007/s11709-010-0095-1

Abstract: Comfort standards (ISO 7730, ASHRAE 55) specify the exact physical criteria for producing acceptableChanging expectations of comfort is important in evaluating comfort, since naturally conditioned buildings

Keywords： thermal comfort naturally conditioned hot humid cold wet Nanjing

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Indoor thermal comfort research on the hybrid system of radiant cooling and dedicated outdoor air system

Weiliang WANG, Zhe TIAN

Frontiers in Energy 2013, Volume 7, Issue 2, Pages 155-160 doi: 10.1007/s11708-013-0244-z

Abstract: corresponding setting parameters of the hybrid system may substantially influence the indoor thermal comfortchoose the optimal air supply mode and to analyze the significance of different factors on the thermal comfortthat influence fact of air supply temperature is the most dominant one to impact the indoor thermal comfort

Keywords： radiant cooling system dedicated outdoor air system (DOAS) thermal comfort Taguchi method variance analysis

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Astronauts Hitch First Ride Aboard Private Rocket to Space Station

Chris Palmer

Engineering 2020, Volume 6, Issue 11, Pages 1207-1209 doi: 10.1016/j.eng.2020.08.007

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Transient performance comparison of grid-forming converters with different FRT control strategies

Frontiers in Energy 2023, Volume 17, Issue 2, Pages 239-250 doi: 10.1007/s11708-022-0856-2

Abstract: Instead of disconnecting from the grid unintentionally, GFMs are required to have fault ride through

Keywords： grid-forming converters (GFMs) fault ride through (FRT) transient stability transient inrush current

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Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2, Pages 127-132 doi: 10.1007/s11709-013-0200-3

Abstract: The test results show that the floor heating system could almost satisfy thermal comfort requirement

Keywords： ultra-thin floor heating panel the preheating time thermal comfort energy saving

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Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind barriers

Tian ZHANG, He XIA, Weiwei GUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4, Pages 558-567 doi: 10.1007/s11709-017-0455-1

Abstract: The calculation formulae for change of wind load acting on the car-body are derived when a train moves into or out of the wind barrier structure, the dynamic analysis model of wind-vehicle-bridge system with wind barrier is established, and the influence of sudden change of wind load on the running safety of the train is analyzed. For a 10-span simply-supported U-shaped girder bridge with 100 m long double-side 3.5 m barrier, the response and the running safety indices of the train are calculated. The results are compared with those of the case with wind barrier on the whole bridge. It is shown that the sudden change of wind load caused by wind barrier has significant influence on the lateral acceleration of the car-body, but no distinct on the vertical acceleration. The running safety indices of train vehicle with sectional wind barriers are worse than those with full wind barriers, and the difference increases rapidly with wind velocity.

Keywords： wind barrier sudden change of wind load dynamic response running safety comfort

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Statistical analysis of residential building energy consumption in Tianjin

Jihong LING,Luhui ZHAO,Jincheng XING,Zhiqiang LU

Frontiers in Energy 2014, Volume 8, Issue 4, Pages 513-520 doi: 10.1007/s11708-014-0327-5

Abstract: consumption of residential buildings, the characteristics of energy consumption and indoor thermal comfortTherefore, the electricity consumption in summer will rise for meeting indoor thermal comfort.

Keywords： energy intensity indoor thermal comfort residential building survey statistical analysis energy conversation

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A New Look at Building Facades as Infrastructure Perspective

Doris Sung

Engineering 2016, Volume 2, Issue 1, Pages 63-68 doi: 10.1016/J.ENG.2016.01.008

Abstract: Instead, the facade of a building performs either as a component that focuses only on the quality of comfort

Keywords： Building facade infrastructure Public pedestrian comfort Building facades for public Health

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An ANN-exhaustive-listing method for optimization of multiple building shapes and envelope properties with maximum thermal performance

Yaolin LIN, Wei YANG

Frontiers in Energy 2021, Volume 15, Issue 2, Pages 550-563 doi: 10.1007/s11708-019-0607-1

Abstract: Current research focuses more on building envelopes than shapes, and thermal comfort of building occupantsenvelope physical properties in achieving maximum thermal performance as measured by both thermal load and comfort

Keywords： ANN (artificial neural network) exhaustive-listing building shape optimization thermal load thermal comfort