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停电预防宣传片_ABB输配电解决方案: 停电预防_ABB输配电解决方案!世界上的停电事件使人们对电力传输系统可靠性产生了担心。作为世界电力技术的领导者，ABB 提供预防停电的可持续解决方案。ABB为其用户提供所有工业用最为齐备的输配电产品 ... 作为世界电力技术的领导者，ABB 提供预防停电的可持续解决方案。Power outages around the world have fed concerns about the reliability of power transmission systems. As the world leader in power technologies, ABB offers sustainable solutions to preventing a blackout. This portal provides easy access to information about ABBs power products and its expertise in blackout prevention, grid reliability, power transmission systems as well as other power products and services offered.

2009/11/20
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气动溜溜球YoYo: 玩溜溜球需要技巧和耐心。通过YoYo系统，Festo证明了在机电元件的帮助下，加上Festo利用流动空气的核心自动化竞争力，能实现全自动控制。 YoYo由3个独立的溜溜球组成，其规格也各不相同，分别为16, 20 和24。所有溜溜球均采取不同种类的麦克斯韦转轮，每一个均由气动肌腱驱动。 Playing with a yo-yo takes skill and patience. With its YoYo, Festo has demonstrated that fully automated control can be achieved with the aid of mechatronics, thus linking with Festo core competency of automation to using moving air. The YoYo consists of three independent yo-yos of different sizes, 16, 20 and 24. All the yo-yos take the form of Maxwell wheels of various kinds, with each one being driven by a pneumatic muscle.

2009/11/19
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空中鳐鱼Air_ray: 以自然界的鳐鱼为模板的“空中鳐鱼”是一种由远程遥控的氦气气囊和羽翼振动产生驱动力组成的混合体。它轻便的设计借助氦气的浮力让它可以在广阔的空中“遨游”，这种方法与水中的鳐鱼相似。 “空中鳐鱼”的驱动力由羽翼振动产生。利用射线效应并基于与四周有连接的拱侧翼交替推拉运动的原理，私伺服控制的羽翼可以上下移动。当一侧受到压力时，它几何形的结构会自动向受力的反方向卷曲。一个伺服驱动两片侧翼交替地纵向移动，驱使羽翼上下运动。Air_ray, modelled on the manta ray, is a remote-controlled hybrid construction consisting of a helium-filled ballonet and a beating wing drive. Its lightweight design enables it to “swim” in the sea of air using the lift from the helium in a similar way to the manta ray in water. Propulsion is achieved by a beating wing drive. The servo drive-controlled wing, which can move up and down, utilises the Fin Ray Effect and is based on alternate pulling and pushing flanks connected via frames. When pressure is exerted on one edge, the geometrical structure automatically curves against the direction of the influencing force. A servo drive pulls the two flanks alternately in longitudinal direction, thus moving the wing up and down.

2009/11/17
人气(6848)
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通过使用Wizard Freelance 800F快速进行硬件配置-全新的AC700F控制器2

通过使用Wizard Freelance 800F快速进行硬件配置-全新的AC700F控制器2: Quick quotation for small project,全新的AC700F控制器3-通过使用Wizard Freelance 800F快速进行硬件配置：在此部分您将学习如何通过Freelance 800F Wizard来实现一个AC700F项目的快速硬件配置，时长：2分08秒。

2009/11/17
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水下鳐鱼Aqua_ray: “水下鳐鱼”是一种远程控制的水力驱动鱼，它的形状和运动都以鳐鱼为模板。 “水下鳐鱼”的中央驱动和控制单元采取了Festo公司特有的流体肌肉形式，并结合了射线效应——一种基于鱼鳍的功能解剖的设计。这使得模仿自然的鱼鳍推进近乎完美。由于“水下鳐鱼”能够任意移动，可以作为一水压滑翔机或者振翅驱动，节约了大量能源。“水下鳐鱼”的形状和运动的方式让它可广泛用于海洋学领域而不破坏自然环境。Aqua_ray is a remote-controlled fish driven by water hydraulics, the shape and movements of which have been based on the model of a manta ray.The central drive and control unit of Aqua_ray takes the form of a fluidic muscle from Festo, in combination with the Fin Ray Effect®. The Fin Ray Effect® is a design based on the functional anatomy of a fish’s fin. This makes it possible to imitate the fin propulsion of the natural role model almost perfectly. As the Aqua_ray can be manoeuvred extremely well, and can be operated both as a hydrostatic glider and with an active wing beat, substantial energy savings can be achieved. Thanks to its shape and its means of locomotion, the Aqua_ray can be used in wide ranging areas of oceanography without disrupting the natural environment.

2009/11/12
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气动手臂AirArm: 通过分析龙虾和蝗虫的腿以及人类手指的形态得到了气动手臂的灵感。它是一个带有外部骨架的两节式桥臂，由气动肌腱驱动。智能控制技术使气动手臂能赶上水滴的速度。气动手臂在技术上的意图是能够在指定半球状运行范围内延伸到尽可能多的区域。选择一般技术实践的常规原理，使带气动肌腱的两节式伸缩系统同时反向运行。 AirArm is biologically inspired by analyses of lobsters’ and grasshoppers’ legs and by human pointing gestures. It is a two-segmented arm with an external skeleton powered by pneumatic muscles. Intelligent control technology enables AirArm to catch drops of water. The technical purpose of AirArm is to reach as many points as possible within a hemispherical operating range defined from a specified point in space. A two-segmented flexing system with muscles operating together in contrary motion was chosen as the general principle for technical realisation.

2009/11/9
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空中水母AirJelly: 空中水母的环境是空气。与水下水母不同，远程控制的水母——空中水母不是在水中游，而是在广阔的空中滑翔，因为它有一个中央电机装置和一个智能听候指令的体系。它能够这样是因为它有一个充满氦气的球形网。空中水母仅有的动力来源就是连接中央电动驱动器的两个锂离子电池。中央驱动器把动力传输到一个锥齿轮上，然后再传给八个连续的直齿轮，直齿轮通过曲柄带动水母上的八个“触角”。每个“触角”都设计成鱼鳍鳍条结构。把蠕动当做这个球形网的动力到目前为止在空军史上还是空白。空中水母是第一个以蠕动为驱动力的室内飞行物体。这种新型的驱动理念基于反弹原理的助推力，让水母轻轻地在空中穿行。 AirJellys environment is the air. Unlike AquaJelly, the remote-controlled jellyfish AirJelly does not swim through water, but instead glides instead through a sea of air thanks to its central electric drive unit and an intelligent, adaptive mechanism. It is able to do so because it consists of a helium-filled ballonett. AirJellys sole source of power is two lithium-ion polymer batteries connected to the central electric drive unit. It transmits the force to a bevel gear and from there to a succession of eight spur gears, which move the eight tentacles of the jellyfish via cranks. Each tentacle is designed as a structure with Fin Ray Effect . Propulsion of a ballonett by means of peristaltic motion is hitherto unknown in the history of aviation. AirJelly is the first indoor flight object with peristaltic drive. This new drive concept, with propulsion based on the principle of recoil, moves the jellyfish gently through the air.

2009/11/6
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带有鳍形夹具的仿生三角架—多方位运动和自动抓取: 仿生三角架利用了自然界中鱼鳍的结构，首次将三维空间应用到空中企鹅和水下企鹅项目中，以便实现高效和多方位的自动化。三个可扩展伸缩的金丝玻璃纤维杆降低了需要被替换的量，同时允许最大90度的运动。BionicTripod with FinGripper versatile movement and adaptive grasping The BionicTripod makes use of the bionic Fin Ray® structure, which was transferred to three-dimensional space for the first time in the AirPenguin and AquaPenguin projects for efficient, versatile automation. Three extendible and retractable filigree fibreglass rods reduce the mass to be displaced, while allowing a maximum scope of movement of up to 90 degrees.

2009/10/29
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[第16讲]音频接口: 所谓在 Windwos 环境下，大部分的多媒体文件都依循着一种结构来存放信息,这种结构称为“资源互换文件格式”( resources interchange file format , 简称 RIFF)。例如声音的 WAV 文件、视频的 AVI 文件等等均是由此结构衍生出来的。RIFF 可以看作是一种树状结构,其基本构成单位为 chunk ，犹如树状结构中的节点，每个 chunk 由“辨别码”、“数据大小”及“数据”所组成。辨别码由4 个ASCII码所构成，数据大小则标示出紧跟其后数据的长度(单位为Byte),而数据大小本身也用掉 4 个 Byte，所以事实上一个chunk 的长度为数据大小加 8。

2009/10/28
人气(5120)
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开发环境(导航器)_力控监控组态软件Forcecontrol-V6.0图形界面及开发系统

开发环境(导航器)_力控监控组态软件Forcecontrol-V6.0图形界面及开发系统: 力控6.0监控组态软件是北京三维力控科技根据当前的自动化技术的发展趋势，总结多年的开发、实践经验和大量的用户需求而设计开发的高端产品，是三维力控全体研发工程师集体智慧的结晶，该产品主要定位于国内高端自动化市场及应用，是企业信息化的有力数据处理平台。　　力控6.0在秉承力控5.0成熟技术的基础上，对历史数据库、人机界面、I/O驱动调度等主要核心部分进行了大幅提升与改进，重新设计了其中的核心构件，力控6.0面向. NET开发技术，开发过程采用了先进软件工程方法：“测试驱动开发”，产品品质将得到充分保证。

2009/10/27
人气(9529)
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