描述
tdm1.2-100-300-w1
高精度。提高加工精度，高分辨率旋转编码器必不可少。为在超精密加工领域能实现0.001μm的精度，必须开发超高分辨率的编码器，0.0001μm最小设定单位的NC装置。为在加工中即使负荷变动伺服系统的特性也保持不变，还需采用控制和鲁棒(Robust)控制。在伺服系统的控制中，用高速微处理器，采用基于现代控制论前馈控制、二自由度控制、学习控制等。其数字控制系统的跟踪误差不超过2μm。
(10)机械智能化。它在NC领域内是一种新技术，所谓机械智能化功能，是指机械自身可补偿温度、机械负荷等引起的机械变形的功能。这就需要检测主轴负荷、主轴及机座变形的传感器和处理传感器输出信号的电路。
(11)诊断维修智能化。故障的诊断与维修是NC的重要技术。基于AI专家系统的故障诊断已存在，现在主要是建立用于诊断故障的数据库。把NC装置通过Intranet和Internet与中央计算机相连接，使其具有远距离诊断的功能。进一步的发展是预维修系统，即在故障将要发生前把将要发生故障的部件更换下来的系统，它需要通过智能传感器、高速PMC及大型数据库来实现。
3.PLC的发展趋势
目前，全世界约有PLC生产厂家约200家，生产300多个品种。全球PLC发运件数1998年为1456万件，1999年为1620万件，2000年达到1778万件。在1995年发运的PLC中，按最终用户分：汽车占23%；粮食加工占16.4%：化药占14.6%；金属、矿山占11.5%；纸浆、造纸占11.3%；其他占23.2%。由于CIMS、工程自动化和过程控制等大系统和复杂的应用要求，PLC主要发展趋势为：
(1)发展方向为高功能、高速度和大容量，形成与DCS相抗争的大系统。
(2)网络化和强化通信能力是PLC重要发展方向。网络动态化已经很成功，并注意到现场总线的发展。
(3)编程语言多样化：
1) SFC因有不少优点而成为编程语言的一个重要发展方向。
2) 大型PLC正越来越多地使用C、BASIC等高级语言编程。
3) 采用多种语言联合编程。
(4)PLC和其他工控机联合，PLC和其他控制系统之间界限越来越模糊，在应用方向也出现了类似的情况。最流行的向PC技术融合，PLC日益加速渗入到DCS中，PLC CNC的领地。PLC自身控制也分散化。相对PC为基础的控制器，优势在小型PLC上。
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主营DCS系统配件
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