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乘坐舒适性 1

公共行人舒适度 1

动张力 1

协同碰撞避免系统；改进的粒子群算法；PID控制器；行驶舒适性；燃油经济性 1

反演设计 1

建筑物立面与公众健康 1

建筑物立面基础设施 1

建筑科学 1

提升钢丝绳系 1

激光显示，双高清，大色域，高观赏舒适度 1

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

Changhai PENG

《结构与土木工程前沿（英文）》 2010年第4卷第4期页码 503-511 doi: 10.1007/s11709-010-0095-1

摘要： Comfort standards (ISO 7730, ASHRAE 55) specify the exact physical criteria for producing acceptable thermal environments, such as temperature, air movement, and humidity limits. These, however, are often difficult to comply with, particularly in hot humid and cold wet seasons in Nanjing, China. Changing expectations of comfort is important in evaluating comfort, since naturally conditioned buildings in Nanjing are not typically air-conditioned. For this objective, a field study was conducted during the summer of 2000 and the winter of 2001. A total of 600 participants each answered a subjective questionnaire. Analyzing these field data shows that in natural conditions, the influence of gender and age on people’s thermal sensations is insignificant compared with six main variables. In addition, people’s thermal discomfort rapidly increases along with growth in relative humidity. Further, the variation of people’s hot or cold sensations is in proportion to that of air movement, and the effect in winter is greater than that in summer. The range of acceptable temperatures in hot humid and cold wet Nanjing is between 14.14°C and 29.42°C.

关键词： 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

《能源前沿（英文）》 2013年第7卷第2期页码 155-160 doi: 10.1007/s11708-013-0244-z

摘要： The radiant cooling system generally operates with the dedicated outdoor air system (DOAS). Air supply modes and the corresponding setting parameters of the hybrid system may substantially influence the indoor thermal comfort. With target indexes of air diffusion performance index (ADPI) and predicted mean vote (PMV), the Taguchi method was used to choose the optimal air supply mode and to analyze the significance of different factors on the thermal comfort. The results are expected for conducting the future design and regulation of the hybrid system. Computation fluid dynamics (CFD) simulation as well as verified experiments was performed during the research. Based on the ADPI studies, it is found that the air supply mode of ceiling delivery with ceiling exhaust is an optimized option to apply in DOAS of the hybrid system. Variance analysis results show that influence fact of air supply temperature is the most dominant one to impact the indoor thermal comfort index of PMV.

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

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Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

《机械工程前沿（英文）》 2010年第5卷第4期页码 476-482 doi: 10.1007/s11465-010-0120-z

摘要： The tire-road contact mechanics is the key problem in vehicle ride comfort and road-friendliness research. A flexible roller contact (FRC) tire model with the enveloping property is introduced to reflect the contact history between the tire and the road. Based on D’Alembert principle, an integral balanced suspension (IBS) model is established, considering mass and moment of? inertia of? the stabilizer rod. ?The sprung mass accelera- tion and tire dynamic force for balanced suspension and the traditional quarter-vehicle model are compared respectively for frequency and time domain responses. It is concluded that the quarter-vehicle model can be used to evaluate the ride comfort of vehicles; however, it has some limitations in evaluating the vehicle road-friendliness. Then, the dynamics performances for IBS model are analyzed with the single point contact (SPC) model and FRC model, respectively. These works are expected to propose a new idea for the vehicle-road interaction research.

关键词： 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

《机械工程前沿（英文）》 2020年第15卷第2期页码 265-278 doi: 10.1007/s11465-019-0571-9

摘要： To improve the fuel economy of rail vehicles, this study presents the feasibility of using power regenerating dampers (PRDs) in the primary suspension systems of railway vehicles and evaluates the potential and recoverable power that can be obtained. PRDs are configured as hydraulic electromagnetic-based railway primary vertical dampers and evaluated in parallel and series modes (with and without a viscous damper). Hydraulic configuration converts the linear behavior of the track into a unidirectional rotation of the generator, and the electromagnetic configuration provides a controllable damping force to the primary suspension system. In several case studies, generic railway vehicle primary suspension systems that are configured to include a PRD in the two configuration modes are modeled using computer simulations. The simulations are performed on measured tracks with typical irregularities for a generic UK passenger route. The performance of the modified vehicle is evaluated with respect to key performance indicators, including regenerated power, ride comfort, and running safety. Results indicate that PRDs can simultaneously replace conventional primary vertical dampers, regenerate power, and exhibit desirable dynamic performance. A peak power efficiency of 79.87% is theoretically obtained in series mode on a top-quality German Intercity Express track (Track 270) at a vehicle speed of 160 mile/h (~257 km/h).

关键词： railway vehicle primary damper power regeneration ride comfort running safety

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

《工程（英文）》 doi: 10.1016/j.eng.2023.06.014

摘要： Active suspension systems (ASSs) have been proposed and developed for a few decades, and have now once again become a thriving topic in both academia and industry, due to the high demand for driving comfort and safety and the compatibility of ASSs with vehicle electrification and autonomy. Existing review papers on ASSs mainly cover dynamics modeling and robust control; however, the gap between academic research outcomes and industrial application requirements has not yet been bridged, hindering most ASS research knowledge from being transferred to vehicle companies. This paper comprehensively reviews advances in ASSs for road vehicles, with a focus on hardware structures and control strategies. In particular, state-of-the-art ASSs that have been recently adopted in production cars are discussed in detail, including the representative solutions of Mercedes active body control (ABC) and Audi predictive active suspension; novel concepts that could become alternative candidates are also introduced, including series active variable geometry suspension, and the active wheel-alignment system. ASSs with compact structure, small mass increment, low power consumption, high-frequency response, acceptable economic costs, and high reliability are more likely to be adopted by car manufacturers. In terms of control strategies, the development of future ASSs aims not only to stabilize the chassis attitude and attenuate the chassis vibration, but also to enable ASSs to cooperate with other modules (e.g., steering and braking) and sensors (e.g., cameras) within a car, and even with high-level decision-making (e.g., reference driving speed) in the overall transportation system—strategies that will be compatible with the rapidly developing electric and autonomous vehicles.

关键词： Active suspension Vehicle dynamics Robust control Ride comfort Chassis attitude

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Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

《机械工程前沿（英文）》 2010年第5卷第1期页码 1-18 doi: 10.1007/s11465-009-0092-z

摘要： 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.

关键词： interconnected suspensions rollover prevention vehicle dynamics ride comfort multibody system dynamics hydraulic system dynamics

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

Hualing ZHANG, Xiaopeng SONG

《结构与土木工程前沿（英文）》 2013年第7卷第2期页码 127-132 doi: 10.1007/s11709-013-0200-3

摘要： Prefabricated ultra-thin radiant heating panel, as a new heating terminal type, is becoming a highlight in Yangtze River Valley area, China recently. However, there is a lack of operating characteristic research in this region, especially the energy consumption and operating mode are even less. To obtain these data, a heating system was set up in a duplex house in Chongqing. The test results show that the floor heating system could almost satisfy thermal comfort requirement at supply water temperature 45°C. But the preheating time was up to 4.5 h which was 1 h longer than that at supply water temperature 50°C. Meanwhile, the energy consumption at supply water temperature 50°C increased 0.10 Nm /h, and the operating efficiency decrease about 2.6% compared to those at water temperature 45°C. Considering both the thermal lag and operating efficiency, a reasonable suggestion was proposed in this paper. That was, the standard families which just stay home at night should adopt the interim mode of partial room with part time. And the supply water temperature should be properly raised during the preheating period and lowered down in the steady heating stage.

关键词： 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

《结构与土木工程前沿（英文）》 2018年第12卷第4期页码 558-567 doi: 10.1007/s11709-017-0455-1

摘要： 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.

关键词： 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

《能源前沿（英文）》 2014年第8卷第4期页码 513-520 doi: 10.1007/s11708-014-0327-5

摘要： To analyze the effect of energy conservation policies on energy consumption of residential buildings, the characteristics of energy consumption and indoor thermal comfort were investigated in detail in Tianjin, China, based on official statistical yearbook and field survey data. A comprehensive survey of 305 households indicates that the mean electricity consumption per household is 3215 kWh/a, in which annual cooling electricity consumption is 344 kWh/a, and the mean natural gas consumption for cooking is 103.2 m /a. Analysis of 3966 households data shows that space heating average intensity of residential buildings designed before 1996 is 133.7 kWh/(m ·a), that of buildings designed between 1996 and 2004 is 117.2 kWh/(m ·a), and that of buildings designed after 2004 is 105.0 kWh/(m ·a). Apparently, enhancing the performance of envelops is effective in reducing space heating intensity. Furthermore, the results of questionnaires show that 18% of the residents feel slightly warm and hot respectively, while 3% feel slightly cold in winter. Therefore, the electricity consumption in summer will rise for meeting indoor thermal comfort.

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

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重新审视建筑物立面，将其作为基础设施 Perspective

Doris Sung

《工程（英文）》 2016年第2卷第1期页码 63-68 doi: 10.1016/J.ENG.2016.01.008

摘要：

如城市里街道和人行道的坚硬表面一样，城市建筑物的水平或垂直表面也造成了世界范围内大城市气温的不断上升。但是，人们并没有采取任何改善措施，而是把建筑物立面看作为室内人员提供舒适环境的结构，并忽略其对室外产生的影响，或是把它当做其所有者可识别美感的象征。本文提出了将建筑物立面作为“户外行人福利管家”的反思，以及将公共健康作为建筑物立面附加功能的概念，该概念强调要考虑户外行人的利益和健康。如果把一个城市建筑物的全部表面积看做是城市基础设施的一部分，那么它的作用不仅是使室外的空间更加舒适、卫生、宜人，还要有助于缓解城市气温上升这一更大的问题。

关键词：建筑物立面基础设施公共行人舒适度建筑物立面与公众健康

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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

《能源前沿（英文）》 2021年第15卷第2期页码 550-563 doi: 10.1007/s11708-019-0607-1

摘要： With increasing awareness of sustainability, demands on optimized design of building shapes with a view to maximize its thermal performance have become stronger. Current research focuses more on building envelopes than shapes, and thermal comfort of building occupants has not been considered in maximizing thermal performance in building shape optimization. This paper attempts to develop an innovative ANN (artificial neural network)-exhaustive-listing method to optimize the building shapes and envelope physical properties in achieving maximum thermal performance as measured by both thermal load and comfort hour. After verified, the developed method is applied to four different building shapes in five different climate zones in China. It is found that the building shape needs to be treated separately to achieve sufficient accuracy of prediction of thermal performance and that the ANN is an accurate technique to develop models of discomfort hour with errors of less than 1.5%. It is also found that the optimal solutions favor the smallest window-to-external surface area with triple-layer low-E windows and insulation thickness of greater than 90 mm. The merit of the developed method is that it can rapidly reach the optimal solutions for most types of building shapes with more than two objective functions and large number of design variables.

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

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A comprehensive energy solution for households employing a micro combined cooling, heating and power generation system

Huayi ZHANG, Can ZHANG, Fushuan WEN, Yan XU

《能源前沿（英文）》 2018年第12卷第4期页码 582-590 doi: 10.1007/s11708-018-0592-9

摘要：

In recent years, micro combined cooling, heating and power generation (mCCHP) systems have attracted much attention in the energy demand side sector. The input energy of a mCCHP system is natural gas, while the outputs include heating, cooling and electricity energy. The mCCHP system is deemed as a possible solution for households with multiple energy demands. Given this background, a mCCHP based comprehensive energy solution for households is proposed in this paper. First, the mathematical model of a home energy hub (HEH) is presented to describe the inputs, outputs, conversion and consumption process of multiple energies in households. Then, electrical loads and thermal demands are classified and modeled in detail, and the coordination and complementation between electricity and natural gas are studied. Afterwards, the concept of thermal comfort is introduced and a robust optimization model for HEH is developed considering electricity price uncertainties. Finally, a household using a mCCHP as the energy conversion device is studied. The simulation results show that the comprehensive energy solution proposed in this work can realize multiple kinds of energy supplies for households with the minimized total energy cost.

关键词： energy hub micro combined cooling heating and power generation (mCCHP) thermal comfort robust optimization

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激光显示技术发展的现状和趋势

高伟男,许祖彦,毕勇,袁园

《中国工程科学》 2020年第22卷第3期页码 85-91 doi: 10.15302/J-SSCAE-2020.03.013

摘要：

随着信息技术的不断发展，信息化时代已经来临，显示作为人机信息交互环节最重要的信息输出终端，已经遍及人们生活的各个方面。当今时代显示技术层出不穷，都以实现超高分辨率、大尺寸、真色彩的极致画面显示，满足人们追求极致美好视觉的需求为发展方向，目标就是实现高保真图像再现。激光显示是采用三基色激光作为显示光源的新型显示技术，可以实现双高清（几何/ 颜色）、大色域、高观赏舒适度的“冲击人眼视觉极限”高保真图像再现，被视为显示产业转型升级的重要方向之一。本文立足新形势下显示产业自主可控安全发展的需求，详细论述了激光显示技术和产业特点，梳理和总结了本领域发展现状、趋势和短板问题，凝练出激光显示产业发展路线图，建议我国应抓住这一大好机遇，加大关键核心技术攻关，自主可控加速将激光显示产业发展壮大，支撑下一代显示产业的高端市场，并开拓出激光显示规模产业集群。

关键词：激光显示，双高清，大色域，高观赏舒适度

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矿井提升机绳系合理激励加速度反演分析与设计

彭佑多,刘德顺,朱萍玉,张永忠,郭迎福

《中国工程科学》 2002年第4卷第4期页码 64-68

摘要：

提升绳系的激励加速度决定着提升容器的乘坐舒适性和提升钢绳中动张力的大小，过大的动张力将导致滑绳（摩擦提升）或断绳（缠绕式提升）。基于提升钢绳为连续弹性杆的条件，建立了绳系的偏微分方程，采用特性线数值分析方法，以满足提升容器的乘坐舒适性和提升钢丝绳产生较小动张力为目标，对矿井提升机绳系要求的合理激励加速度曲线进行了反演分析与设计。

关键词：提升钢丝绳系激励加速度乘坐舒适性动张力反演设计

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基于改进粒子群算法优化的PID控制器在协同碰撞避免系统中的应用 Article

Xing-chen WU, Gui-he QIN, Ming-hui SUN, He YU, Qian-yi XU

《信息与电子工程前沿（英文）》 2017年第18卷第9期页码 1385-1395 doi: 10.1631/FITEE.1601427

摘要：为解决将PID控制器引入协同碰撞避免（cooperative collision avoidance system，CCAS）的研究中存在的不能合理优化PID控制器，以及对车辆行驶稳定性、舒适性及燃油经济性研究不足的问题，本文提出使用改进的粒子群优化算法（particle swarm optimization, PSO）优化PID控制器的方法，来实现CCAS对车辆更好的操控的目标。首先，本文使用PRESCAN和MATLAB/Simulink进行联合仿真，构建了由PID控制器，机动策略判断模块组成的CCAS。其次，本文使用改进的粒子群算法，依据获得的汽车动力学数据，对PID控制器进行了优化。最后，本文模拟了配备CCAS的车辆在其PID控制器经过优化前后，在低速（≤50 km/h）和高速(≥100 km/h)两种巡航状态下，进行减速行驶、减速转向工况的测试。结果表明，经过本文方法优化的PID控制器，不仅可使CCAS实现基本功能，还可实现车辆动态稳定性，行驶舒适性和燃油经济性的改善。

关键词：协同碰撞避免系统；改进的粒子群算法；PID控制器；行驶舒适性；燃油经济性

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标题作者时间类型操作

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

Changhai PENG

期刊论文

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

Weiliang WANG, Zhe TIAN

期刊论文

Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

期刊论文