基于价值链的我国新能源汽车产业竞争力分析

近年来,环境问题和能源危机日益严重,加快培育和发展新能源汽车,对我国汽车产业可持续发展至关重要。本文从价值链各环节出发,全面分析我国新能源汽车产业在价值链各环节存在的优势与劣势,并与发达国家作比较。通过各环节的分析发现:我国新能源汽车产业的国际竞争力正不断上升,但在研发环节和后市场服务环节与发达国家仍存在较大差距。基于此,本文提出三种价值链提升策略,以期增强我国新能源汽车产业的国际竞争力。     

基于情感分析的新能源汽车用户评论语义网络分析与主题建模

新能源汽车的发展进入重要战略机遇期,基于用户评论的文本挖掘能够明确消费者需求、把握产品优劣特性,从而促进市场良性发展。聚合多家汽车网站关于新能源汽车的在线评论数据,在情感倾向分类基础上进行深度挖掘。结果显示：用户对新能源汽车的整体情感倾向呈积极;用户在新能源汽车的空间舒适性、外观和驾驶感受等方面积极体验较高,尤其对其代步出行、外观及空间、节能环保等方面认可度高;而消极体验主要体现在续航能力、舒适性、内饰做工和硬件设施等方面,尤其对内饰做工、电力消耗等方面颇有微词;进一步的LDA主题分析发现,新能源汽车的加速动力、外观、操控、空间、节能环保等优势特征显著,但其智能网联、内饰做工、充电基础设施等方面劣势较为突出。基于此,提出针对性的新能源汽车生产及营销策略优化建议,以期有效提升用户体验,助益新能源汽车产业发展。     

怠速下机动车气体污染物排放水平研究

随着城市机动车保有量的迅速增加,机动车尾气污染已成为影响大气环境质量的一个重要污染源。本文系统监测了不同运行工况(高怠速、怠速)下机动车气体污染物排放水平,系统分析总结了CO和HC两种主要污染物变化规律,对控制机动车气体污染物水平,改善环境空气质量有重要理论和现实意义。     

我国自驾车旅游的现状及发展对策

时下自驾车旅游日益受到国内旅游者的欢迎,如何促进这一新型产业的发育成长,已成为业界人士高度关注的课题。对于自驾车游客来说,便利的交通、丰富的生态资源优势的吸引力远远不够。要吸引更多自驾游游客,更重要的是做好旅游资源的整合,并加强一些软、硬件设施的建设。本文主要从我国自驾车旅游兴起、现状及存在的问题,阐述推动我国自驾车旅游的发展对策。     

重载交通柔性路面结构设计研究与应用

车辆超载是一个普遍存在的问题,对道路路面的正常使用具有很大影响,是道路路面使用初期产生严重破坏的主要原因.结合深南路的路面修缮工程,分析重载交通柔性路面结构修缮所面临的实际问题.     

上海市中心区实施非机动车绿色通道的理念与方法研究

在分析上海市中心区交通特征基础上,根据非机动车交通出行特征,强调了非机动车绿色通道的重要性,并阐述了建议非机动车绿色通道的理念与方法。     

Sim-heuristics low-carbon technologies’ selection framework for reducing costs and carbon emissions of heavy goods vehicles

ABSTRACT

UK logistics fleets face increasing competitive pressures due to volatile fuel prices and the small profit margins in the industry. By reducing fuel consumption, operational costs and carbon emissions can be reduced. While there are a number of technologies that can reduce fuel consumption, it is often difficult for logistics companies to identify which would be the most beneficial to adopt over the medium and long terms. With a myriad of possible technology combinations, optimising the vehicle specification for specific duty cycles requires a robust decision-making framework. This paper combines simulated truck and delivery routes with a metaheuristic evolutionary algorithm to select the optimal combination of low-carbon technologies that minimise the greenhouse gas emissions of long-haul heavy goods vehicles during their lifetime cost. The framework presented is applicable to other vehicles, including road haulage, waste collection fleets and buses by using tailored parameters in the heuristics model.     

合作创新网络结构特征对企业创新绩效的影响研究——以新能源汽车产业为例

本文在合作创新和社会网络理论基础上,以创新网络的结构特征为视角,将节点度、中介中心度和结构洞作为3个维度,提出了创新网络的结构特征对企业经济、社会和生态绩效影响的假设,并对新能源汽车企业的168份调查问卷结果运用多元回归分析进行验证。结果显示：合作创新网络的节点度对企业经济和社会创新绩效有一定的正向促进作用;中介中心度对企业经济创新绩效有正向影响;结构洞对企业经济和生态创新绩效有正向促进作用。实证结果对企业、中介机构和政府在发展新能源产业方面都有一定的启发意义。     

Demand for electric vehicles in hybrid households: an exploratory analysis

Previous studies of the potential market for battery electric vehicles (BEVs) from different research streams have failed to converge on a single, robust estimate. What these previous research streams share are untested or implausible assumptions about consumer response to new transportation technology. We frame the BEV purchase decision in terms of a household's entire stock of vehicles, car purchase behavior and travel behavior. Within this framework, households which own both electric vehicles and gasoline vehicles are called ‘hybrid households’. Because nearly all consumers are unfamiliar with the characteristics of BEVs, we designed an interactive interview based on week-long travel diaries, which we call Purchase Intentions and Range Estimation Games (PIREG) to explore hypothetical hybrid household vehicle use. Our primary finding is that consumers' perceived driving range needs are substantially lower than previous hypothetical stated preference studies conclude. We find evidence of a viable market for BEVs with 60 to 100 miles driving range.     

低碳经济下的消费者社会责任——以新能源汽车为例

随着2008年"消费与责任"被中国消费者协会确定为年主题,越来越多的学者关注消费者社会责任,消费者的社会责任意识缺失也受到重视。笔者总结了学者们对消费者社会责任的研究和社会责任消费行为的维度,并以新能源汽车为例分析了责任意识缺失的现状,进而提出相应的低碳消费建议。