自动门
自动门:自动控制技术及其应用
发布时间:2014/2/13
自动门讯:
自动控制技术及其应用
    在现代科学技术的众多领域中,自动控制技术起着越来越重要的怍用。所谓自动控
制,是指在没有人直接参与的情况下,利用外加的设备或装置(称控制装置或控制器).使
机器、设备或生产过程(统称被控对象)的某个工作状态或参数(即被控量)自动地按照顶
定的规律运行。例如,数控车床按照预定程序自动地切削工件l化学反应炉的沮度或压力
自动地维持恒定;雷达和计算机组成的导弹发射和制导系统,自动地将导弹引导到敌方目
标I无人驾驶飞机按照预定航迹自动升降和飞行}人造卫星准确地进入预定轨道运行并回
收等,这一切都是以应用高水平的自动控制技术为前提的。
    近几十年来,随着电子计算机技术的发展和应用,在宇宙航行、机器人控制、导弹制导
以及梭动力等高新技术领域中,自动控制技术更具有特别重要的作用。不仅如此,自动控
制技术的应用范围现已扩展到生物、医学、环境、经济管理和其它许多社会生活领域中,自
动控制已成为现代社会活动中不可缺少的重要组成部分。
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