关键词： 操作手   知识竞赛   广汽丰田   科学技术厅   广汽集团   职业技能竞赛   人力资源   信息化委员会   双重目   职业  

摘要： 最近,2013年广东省汽车行业机器人操作手职业技能竞赛在广汽本田举行。此次竞赛由广东省总工会、省人力资源和社会保障厅、省经济和信息化委员会、省科学技术厅主办。来自广汽集团10个投资企业,1000余名职工参加选拔赛。共72名选手参加理论知识竞赛;经过理论知识竞赛后,有62名选手参加了实操竞赛。

关键词： 六足机器人   足端建模   动力学   仿真分析  

摘要： 针对六足机器人足端与硬质地面频繁碰撞冲击等问题,建立硬地质环境中的足端力学模型及其参数的辨识,通过编译基于Fortran语言编写的足端模型的二次开发程序,与ADAMS进行动态链接,并以MATLAB与ADAMS联合仿真实验平台,对六足机器人进行整体动力学仿真。通过对仿真结果的分析,验证了硬地质环境中的足端力学模型的正确性和普适性。

关键词： 码垛机器人   动力学仿真   Matlab\Simulink  

摘要： 动力学是高速码垛机器人设计过程中必须考虑的问题,但要建立机器人精确的动力学模型比较困难。通过Solidworks建立机器人实体模型,并将其导入Matlab中,在仿真环境中调整相应参数,得到机器人的动力学仿真模型,再利用Simulink添加控制模块、驱动模块(Joint Actuator)和检测模块(Joint Sensor)建立完整的仿真模型,通过两者的结合进行机器人动力学仿真分析。结果表明,运用Solidworks与Matlab联合仿真,可以缩短设计周期、形象直观的模拟机器人的三维运动情况,有效的获取其动力学特性参数。

关键词： 成功之路   青少年科技创新大赛   梦想   机器人竞赛   表演活动   高级中学   长沙市   新作品  

摘要： 5月25日，我有幸成为学生代表，参加第30届长沙市青少年科技创新大赛和第六届长沙市中小学机器人竞赛总结表彰暨展示、表演活动。这次活动的重要意义不仅在于捧回了属丁宁乡县第十三高级中学的荣耀，更在于向更多的朋友们展示学校那些用真心与实践制作出的科技创新作品。一个半小时的“漫长”车程却磨不掉我激动的心情，虽然只是帮学姐领奖、为学长解说作品，

关键词： Contact modeling   Mobility   Surgery   Biomechanics   Tissue engineering  

摘要： Wheel-driven mobile in vivo robotic devices can provide an unconstrained platform for visualization and task performance. Careful understanding of the wheel-tissue interaction is necessary to predict in vivo performance of medical mobility systems. Here, an analytical study of the friction involving rolling contact of a surgical wheel, moving at constant velocities over soft tissue, is presented and verified. A quasi-static frictionless solution is first derived from existing theory, and newly developed theory considering frictional effects is later introduced. In this analysis, the effect of friction on wheel mobility over a viscoelastic substrate is analyzed with wheel velocity as the only changing variable. The analytical model is later verified by experiments and Finite Element Method (FEM) simulations. A simple application of this model to help design a surgical robot is also presented. Additional results indicate that the resistance force, which arises from the tissue viscosity, approaches zero for small and very large wheel velocities. (C) 2013 IPEM. Published by Elsevier Ltd. All rights reserved.

关键词： Robotics   Design   Surgery  

摘要： In recent years, surgical robotic systems (SRS) have been employed to great effect in a wide range of minimally invasive procedures [1]. Yet despite the increasing use of these devices in clinical practice, there exists to date no definitive, objective system of measurement of the skill level of a surgeon using an SRS. Assessments of patient outcomes, surgical speed and instrument docking time have shown that improvement in skill using an SRS requires in-depth training, with exposure to as many as 20 cases of a given procedure to attain proficiency [2]. The model employed for the certification of a surgeon in the practice of minimally invasive laparoscopic surgery has addressed a parallel problem since its inception by establishing a set of exercises comprising what is now known as the fundamentals of laparoscopic surgery (FLS) assessment [3]. This high stakes...

关键词： Evolutionary robotics   Neuroevolution   Swarm robotics   Novelty search   NEAT   Behavioural diversity   Deception  

摘要： Novelty search is a recent artificial evolution technique that challenges traditional evolutionary approaches. In novelty search, solutions are rewarded based on their novelty, rather than their quality with respect to a predefined objective. The lack of a predefined objective precludes premature convergence caused by a deceptive fitness function. In this paper, we apply novelty search combined with NEAT to the evolution of neural controllers for homogeneous swarms of robots. Our empirical study is conducted in simulation, and we use a common swarm robotics task-aggregation, and a more challenging task-sharing of an energy recharging station. Our results show that novelty search is unaffected by deception, is notably effective in bootstrapping evolution, can find solutions with lower complexity than fitness-based evolution, and can find a broad diversity of solutions for the same task. Even in non-deceptive setups, novelty search achieves solution qualities similar to those obtained in traditional fitness-based evolution. Our study also encompasses variants of novelty search that work in concert with fitness-based evolution to combine the exploratory character of novelty search with the exploitatory character of objective-based evolution. We show that these variants can further improve the performance of novelty search. Overall, our study shows that novelty search is a promising alternative for the evolution of controllers for robotic swarms.

摘要： P-250

关键词： Wireless Networked Robotics System   Search and rescue   Complex environments   Mobile ad hoc networks   Experimental and prototype results   Wireless Backbone Deployment  

摘要： A Wireless Networked Robotics System can assist in settings that lack infrastructure e.g., urban search and rescue. A team of networked mobile robots can provide a communication substrate in those settings by acting as routers in a wireless mesh network. We study the problem of deploying a few mobile robots, and how to position them, so that all clients using the resulting robotic network are connected and all network links satisfy minimum rate requirements. The key challenge we address is that in an environment with obstacles the strength of a wireless link is a non-monotonic function of the distance between the link end-points. The problem is thus fundamentally one of making router placement decisions in a non-metric space. Our approach to the problem is based on virtual potential fields. Clients and environmental obstacles are modeled as virtual charged particles exerting virtual forces on the robots. We validate our algorithm with physical robots in an indoor environment and demonstrate that we are able to get feasible solutions. (C) 2012 Elsevier B.V. All rights reserved.