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Influence of Data Clouds Fusion From 3D RealTime Vision System on Robotic Group Dead Reckoning in Unknown Terrain
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作者 Mykhailo Ivanov Oleg Sergyienko +5 位作者 Vera Tyrsa Lars Lindner Wendy Flores-Fuentes Julio Cesar Rodriguez-Quinonez Wilmar Hernandez Paolo Mercorelli 《IEEE/CAA Journal of Automatica Sinica》 EI CSCD 2020年第2期368-385,共18页
This paper proposes the solution of tasks set required for autonomous robotic group behavior optimization during the mission on a distributed area in a cluttered hazardous terrain.The navigation scheme uses the benefi... This paper proposes the solution of tasks set required for autonomous robotic group behavior optimization during the mission on a distributed area in a cluttered hazardous terrain.The navigation scheme uses the benefits of the original real-time technical vision system(TVS)based on a dynamic triangulation principle.The method uses TVS output data with fuzzy logic rules processing for resolution stabilization.Based on previous researches,the dynamic communication network model is modified to implement the propagation of information with a feedback method for more stable data exchange inside the robotic group.According to the comparative analysis of approximation methods,in this paper authors are proposing to use two-steps post-processing path planning aiming to get a smooth and energy-saving trajectory.The article provides a wide range of studies and computational experiment results for different scenarios for evaluation of common cloud point influence on robotic motion planning. 展开更多
关键词 Data transfer group behavior machine vision navigation robotic group(RG) vision system
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Cross-Country Differences in Entrepreneurial Activity: The Role of Cultural Practice and National Wealth 被引量:1
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作者 Xiangyang Zhao Hai Li Andreas Rauch 《Frontiers of Business Research in China》 2012年第4期447-474,共28页
In this paper, we argue that national culture is important in interpreting the differences of entrepreneurial activities between countries. Furthermore, national wealth plays a moderating role between national culture... In this paper, we argue that national culture is important in interpreting the differences of entrepreneurial activities between countries. Furthermore, national wealth plays a moderating role between national culture and entrepreneurial activities. Datasets from the Global Leadership and Organizational Behavior Effectiveness (GLOBE) project and Global Entrepreneurship Monitor (GEM) study were analyzed. We find that there are interaction effects between GDP, a proxy for national wealth, and several cultural dimensions on entrepreneurial activities. More traditional cultural variables (in-group collectivism, humane orientation, and power distance) enhance early-stage and established entrepreneurship in low- and medium-GDP countries, but hinder early-stage and established entrepreneurship in high-GDP countries. More modernistic cultural variables (performance orientation, future orientation, and uncertainty avoidance) promote high-growth and high-innovation entrepreneurship in some situations, especially in high-GDP countries. Implications and limitations are discussed. 展开更多
关键词 national culture cultural practice entrepreneurial activities GlobalEntrepreneurship Monitor (GEM) Global Leadership and OrganizationalBehavior Effectiveness (GLOBE)
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创业活动的国家(地区)差异:文化与国家(地区)经济发展水平的交互作用 被引量:73
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作者 赵向阳 李海 Andreas Rauch 《管理世界》 CSSCI 北大核心 2012年第8期78-90,188,共13页
本研究试图从国家文化的视角来解释不同国家创业活动活跃程度的差异。基于"全球领导力与组织行为有效性"(Global Leadership and Organizational Behavioral Effective ness,简称GLOBE研究)和"全球创业观察"(Global... 本研究试图从国家文化的视角来解释不同国家创业活动活跃程度的差异。基于"全球领导力与组织行为有效性"(Global Leadership and Organizational Behavioral Effective ness,简称GLOBE研究)和"全球创业观察"(Global Entrepreneurship Monitor,简称GEM研究)两个国际性数据库,我们发现在解释不同国家创业活动差异的时候,文化与国家经济发展水平(具体来说是人均GDP)之间存在交互作用。与已有的文献相反,我们发现传统主义文化(典型特点是较高的小团体集体主义、较高的人际关系导向和较高的权力差距)在中低GDP国家提高了早期创业活动和成熟期创业活动的比例,但是在高GDP国家却抑制了早期创业活动和成熟期创业活动的比例。而现代主义文化(典型特点是高绩效导向、高未来导向和高不确定性规避)则与高期望创业活动和高创新创业活动有比较显著的正相关关系。最后我们讨论了本研究对实践的指导意义和存在的局限性。 展开更多
关键词 创业活动 国家文化 传统主义文化 现代主义文化 GEM研究 GLOBE研究
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