closed loop control on line 在线闭环调节
It is shown by theoretical analysis and simulation that this control low, which can applied to semi-close loop and full-close loop system, is simply in design and on-line realization.
理论分析和仿真结果表明：该控制方法设计简单，便于在线实现，并能同时应用于半闭环系统和全闭环系统。
The on-line application in Fujian Refinery shows that the model has a satisfactory accuracy, and it can be used for closed-loop control and optimal operation.
经过在炼油厂的实际在线运行，表明该模型具有令人满意的精度，可用于稳定塔汽油蒸气压的闭环控制与优化操作。
The system had many features such as high speed, high accuracy, untouched measuring and closed-loop control. The system is used on-line measuring and control of diameter measure.
该系统具有检测速度快、精度高、非接触检测、闭环控制等特点，完全适用于回转体直径尺寸的在线检测和控制。
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