Results 41 to 50 of about 16,879 (164)
Gaoya dianqi, 2022 采用机器人技术进行10 kV高压断路器电气试验可克服人工试验存在的问题，有效提高试验效率和质量水平。文中研究了电气试验机器人接线装置（含接线插头和线仓）关键技术，针对最为复杂的回路电阻测试项目，研究并设计了一种集电压与电流接触于一体的弹片式新型接线插头，使得机器人一次接线即可完成回路电阻测试；根据机器人负载能力，研究了插头接触弹片与断路器断口梅花触头触指的接触压力与接触电阻关系，设计了接线插头接触弹片，满足接触电阻的要求。研究并设计了由接线插头定位基座和平面涡簧收放线装置构成的线仓机构 ...
王俊波 +6 more
doaj
Laser‐guided thin‐film self‐rolling for asymmetric small‐scale swimmers
Rare Metals, Volume 44, Issue 8, Page 5607-5620, August 2025.Graphical abstract AbstractSmall‐scale robots are promising miniaturized devices in biomedicine. Thin‐film self‐assembly is a commonly used strategy to fabricate tubular small‐scale robots. However, the existing methods have limitations like complex manufacturing processes and limited control of self‐assembly behavior.
Yi Chen +11 more
wiley +1 more source
Design and Implementation of Wireless Video Capture Car System Based on ARM11 [PDF]
, 2015 近年来随着嵌入式系统技术、无线通信技术的快速发展，嵌入式无线视频监控系统的相关应用受到了极大的关注，体积小、功耗低、性能稳定、移动方便、适应性强是视频监控与应用的发展趋势。在此背景下，设计一套基于嵌入式系统的移动式无线视频监控系统将会有广阔的应用前景。 本文针对嵌入式无线视频采集、视频压缩、视频传输等问题，基于ARM+Linux系统、H264视频压缩、RTP传输协议等技术，设计并实现了以遥控小车为载体的基于嵌入式Linux系统的无线视频采集系统，其主要研究内容如下： 1 ...
谢祥徐
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Multi-objective Topology Optimization and Design for Industrial Robot [PDF]
, 2017 为了综合提高工业机器人的结构刚度、振动频率,降低结构质量,从而提高机器人整体的静动态性能,提出了一种基于多目标拓扑优化的机器人结构优化方法.该方法首先对机器人整机和部件进行分析,寻找机器人薄弱的零部件;然后对其进行多目标拓扑优化和模型重建,从而获得最佳的结构.将该方法成功应用于一款3kg装配、搬运等多功能机器 人的分析优化中,结果验证了该分析优化方法的可用性和有效性.In order to comprehensively improve the structure of industrial ...
褚旭阳, 许辉煌
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New Phytologist, Volume 247, Issue 2, Page 504-517, July 2025.Summary Repetitive DNA is a feature of all organisms, ranging from archaea and plants to humans. DNA repeats can be seen both in coding and in noncoding regions of the genome. Due to the recurring nature of the sequences, simple DNA repeats tend to be more prone to errors during replication and repair, resulting in variability in their unit length ...
Sridevi Sureshkumar +3 more
wiley +1 more source
Evolutionary algorithms in dynamic environments [PDF]
, 2006 The file attached to this record is the author's final peer reviewed version.Evolutionary algorithms (EAs) are widely and often used for solving stationary optimization problems where the fitness landscape or objective function does not change during the
Wang, Dingwei +2 more
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Integrative Conservation, Volume 4, Issue 2, Page 188-204, June 2025.We assessed the distribution of 14 threatened agamid lizard species using Species Distribution Modeling to identify hotspots for these species' conservation. Based on the results, high‐priority areas of threatened agamids were projected to occur specially in the wet zone.
Iresha Wijerathne +10 more
wiley +1 more source
Dianci bileiqi, 2017 视觉伺服研究是绝缘子水冲洗机器人研究的重要内容,其研究成果用于机器人自动瞄准绝缘子。水冲洗机器人采用基于图像的视觉伺服控制方案,对冲洗机器人的图像雅克比矩阵进行计算,设计基于机器人位置参数和绝缘子高度信息获取图像深度的方法,最后基于Robotics Tool-box和Visual Servoing Toolbox工具箱对冲洗机器人视觉控制方案进行建模、仿真,结果表明,基于图像的机器人视觉伺服系统能够实现对绝缘子瞄准功能。
吴文海, 姚波, 于兰英, 王国志
doaj
Force-measuring System Optimization and Simulation Analysis Of Wire-driven Parallel Suspension System [PDF]
, 2015 摘要 绳牵引并联机构作为一种新型的低速风洞模型支撑系统，因具有速度快、结构简单、承载能力大以及对流场干扰小等诸多优点而备受关注。同时由于该类系统通常具有冗余驱动的特点，因此绳拉力优化、绳拉力准确测量以及绳索系统建模仿真成为待解决的关键技术。本文主要从这三个方面展开研究，主要工作及成果如下所述。 首先，建立了WDPSS-8的运动学模型和空间平衡方程。对于WDPSS-8机构因冗余驱动而导致的绳拉力多解问题，本文在运动学模型分析的基础上提出一种基于遗传算法的绳拉力优化求解方案 ...
江子扬
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Racial and ethnic disparities in obstetric anal sphincter injury: cross‐sectional study in the USA
Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 6, Page 778-789, June 2025.ABSTRACT Objectives Racial disparities in obstetric anal sphincter injury (OASI) are poorly understood; their investigation by parity, obstetric history and mode of delivery may provide insight into which individuals are at the greatest risk for OASI. We aimed to quantify the association of race and ethnicity with OASI, stratified by parity, obstetric ...
M. Rajasingham +5 more
wiley +1 more source