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1、Manipulator is now used as a industrial robots in use, the control objectives often appear often in industrial automation. Industrial automation technology has gradually matured, as mature a technology line has been rapid development in industrial automation as a separate subject. Manipulator applic
2、ation began to filter into welding, logistics, mechanical processing, and other industries. Especially at high or very low temperatures, full of poisonous gases, high radiation case, robot in similar circumstances showed great use also brings great convenience to the staff. Precisely because of this
3、 robot to get peoples attention began to be a high degree of development. Labor rates, working conditions, labor intensive aspects of promoting development. Both at home and abroad to develop the PLC (programmable logic controller) is in various special circumstances and under special conditions set
4、 for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC hardware software and simulation control win big and successful development, now continues to develop as a factory automation standa
5、rds. Because robots are good development of the technology makes a good optimization of productive capital, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and programming that can be mastered in a short time, so in the context of ind
6、ustrial PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmland, repeated operations on the high-speed line that uses a robotic arm, and so on. Today, the high level of autom
7、ation combined with restrictions on the manipulator development level is slightly lower than the international. The design is mainly arm welding machine by PLC Automation control. This of design let designers on in school by learn of has a must of consolidation, understand has some usually didnt opp
8、ortunities awareness in world range within some leading level of knowledge has has must awareness, hope designers can in yihou of design in the can success of using in this design in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm r
9、esearch began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of industrial automation and shine, gradually became an industrial evaluation standards, and its importance can be seen. Now original robotic ar
10、m spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipulator position control systems main features, although not back several generations that can detect the external environment, but can still successfully complete like wel
11、ding, painting, delivery as well as for materials simple movements. Second generation mechanical arms are equipped with sensors and manipulators have the environment there is a certain amount of sense, when the mechanical arm is to use the program as a basis. Difference is that the robot begand2011年
12、北京高考语文优秀作文九篇 - 附相应点评2011年高考北京优秀作文阅读下列材料，按要求作文。（满分：60分）鹿特丹世乒赛结束后，师生们一起议论。生甲：太好了，中国对又包揽了全部冠军，这叫实至名归，竞技体育就得靠实力说话。生乙：但我更愿意看见外国选手成功挑战中国名将，一个国家长期垄断某项体育比赛的金牌，其实并不利于这一项目的发展。生丙：有人主张中国队应让出一两枚金牌，我不赞成。如果故意输球，就有违公平竞争的原则和奥林匹克精神。老师：同学们说的都有一定的道理，有些道理不仅体现在乒乓球运动上，也适用于其他社会生活领域。要求：根据以上材料，自选角度，自拟题目，联系实际，写一篇不少于800字的文章，除诗
13、歌外，文体不限。一、包揽后的反思 【认识独到】58分前不久在荷兰鹿特丹世乒赛上，中国队“又”包揽了全部冠军。一个“又”字既包含中国队的成就又一次实至名归，有包含了我们对于成功的反思。在世界乒乓领域，我们为什么能长期处于垄断地位，一次又一次的包揽世乒赛，奥运会的桂冠呢？有人说他们日常训练极为刻苦，或又有人说乒乓球是国球，有传统优势。而我想会说的则是，中国乒乓球的“实力”在于其运作体制的科学与完善。曾有一位什刹海体校的教练说过：“我们的训练安排周密而有效，你不会看到哪一个队员闲滞下来，老的队员有经验他们会教给年轻队员各种比赛经验和击球战术方法。”从中我想到的是让一个团队中的每一个元素都发挥其优势，
14、在团队内部形成良性循环，并且相互借鉴，达到运作效率的最大化，这便是中国乒乓团队的实力所在。系统优化不仅一个团队，如果把这种运作方式有效的嫁接到社会其他领域我想也一定奏效。20世纪90年代，日韩等国遭受了亚洲范围内较大的经济危机，此时的两国大型企业都在企业内部大力提倡科技创新，并结合本国传统工业优势实现了由粗放型向集约型的发展方式的改变，并且实现由劳动力主导向科学技术主导的根本提升，在世界范围内取得了成功。田忌赛马的故事耳熟能详，他的成功也不正像中国乒乓球队一样，其实力的体现在于结构内部的优化。此时此刻，在中国经济领域的提升也同样可以借鉴其方法。改变现状不是一蹴而就之举，但若能把握其发展的规律，
15、在内部进行元素间的优化，鼓励创新，我想中国实力之名至实归将指日可待。近年来，姚明创造了中国第一高度；刘翔创造了中国第一速度；丁俊晖创造了中国第一准度；而李娜创造了中国第一力度！这一个个中国实力的体现，无不是中国近年来在体育领域进行改革，调整运作体制使之科学与完善的结果。包揽冠军不是目的，而其价值在于一个个的成功实力对于中国今后的发展其实极其重要的推动与借鉴作用。一个冷静看待“成功”的民族，才可获得真正的“名至实归”屹立于世界！二、制约与发展【语言有力，材料分析周密，说理上略有欠缺】54分“一道黑色的铁幕在柏林缓缓落下，世界将面临新的瓜分，但我预言，二十年内世界将保持和平”丘吉尔众所周知，这是丘
16、吉尔著名的铁幕演说，从那时起，美国和苏联对立长达四十余年，两个超级大国互不相让,争霸全球.但与此同时,我们的地球已远离大面积的战乱六十多年了,丘吉尔的预言现在看来太过保守了。两强近半个世纪的冷战换来了世界的相对和平与飞速发展，不得不说，是两强的相互制约，为世界的长期发展提供了条件。不过看来，若是一家独大又会怎么样呢？九十年代的美国给了我们答案。当时苏联解体，两强格局不复存在，美国为自身利益在全球不断挑起事端。海湾战争，出兵南联盟，东南亚驻军世界在不停的流血，因为一只孤独求败的霸王龙无人可挡，甚至无人敢制约其锋芒。科威特人谈美色变，经济被摧残的窘境危害至今，他们的鲜血让我们发现这个世界多么需要制约与平衡。当历史的脚步迈入二十一世纪，欧盟，中国等地区迅猛发展，世界多极化格局日益增强，我们又一次享受到了全球的稳定与和平
