【摘要】 简要介绍了非线性液位控制策略的目的、特性、应用，并着重介绍非线性液位控制系统实施过程和控制器功能，控制器的投运和控制器的故障处理，由投用效果看出非线性液位控制系统在前郭炼油厂重油催化裂化装置得到了很成功的应用。更多还原

【Abstract】 The objective, characteristic and application of the nonlinear control strategy are introduced. How to apply and implement the function of the controller,how to start and stop the control strategy and trouble shooting is discussed. Result of commissioning show that the application of nonlinear level coned strategy in RFCC of Qianguo Oil refinery was successful.更多还原