three-term controller

The designed system includes nodes in three-level structure: main controller, group controllers and switch nodes.

整个系统采用主控制端、组控制端和开关节点三级结构。

The article use UML ( Unified Modeling Language), use case diagrams and other methods in system analysis process. Meanwhile the system uses MVC ( Model, View, and Controller) to achieve a three-layer system.

本文在系统分析过程中采用了UML（Unified MOdeling Language）用例图等方法对系统需求进行分析，同时系统采用MVC（Model，View，Controller）三层架构对系统进行实现。

A three-term fuzzy controller was implemented by simply using two-term fuzzy control rules. A Research on a Software of Generating Three-dimensional Fuzzy Relation Matrix

实现三维模糊控制效果，而控制规则数与二维模糊控制器相当。三维模糊控制关系阵自动生成软件

The Controller Area Network ( CAN) bus technology is used to construct a three-layer control system model for PLC-PC.

文章采用CAN总线技术，构建了3层结构的PLC-PC控制系统模型。

Controlling the design of three-dimensional machining system using programmable controller

可编程控制器控制三维加工系统的设计

Recursive least square method was used to adjust the parameters of the PID controller, which was applied in three-element control system of boiler drum level.

利用递推最小二乘法循环调整PID参数，并将该控制器应用于锅炉汽包水位三冲量控制系统。