So the greenhouse is a multi-variable coupled, time-varying and non-linear complicated system.
因此，温室环境是多变量耦合、时变、非线性的复杂系统。
The PM brushless DC motor is a multi-variable and non-linear system.
永磁无刷直流电机控制系统是多变量和非线性的。
Steam generator level is a non-linear, mutative and multi-variable system. It is a problem to design the control system because of "false level".
蒸汽发生器水位控制系统是非线性、时变的多变量系统，“虚假液位”现象的存在使蒸汽发生器液位控制成为一个难题。
Permanent magnet synchronous motor is a multi-variable, non-linear and strong-coupling system, the traditional PID control is not effective.
永磁同步电机是一个多变量、非线性、强耦合的系统，传统PID速度控制效果不理想。
The fuzzy controller ACTS as an adaptive gain variable linear optimal controller, and it can satisfy the multi objective control requirements of the TCSC system.
该模糊控制器相当于自适应变增益的线性最优控制器，能满足系统多目标控制的要求。
Study showed that the hydraulic control system model is multi-variable, slow time-varying and non-linear.
研究表明，液压系统模型是多变量、慢时变和非线性的。
So the greenhouse is a multi-variable coupled, time-varying and non-linear system.
因此，温室环境是多变量耦合、时变、非线性的复杂系统。
But the gas collector pressure system is a complex multi-variable non-linear, time-varying, long time-delay control system and is not easy to set up its mathematical model.
但是，集气管压力控制系统是一个多变量、非线性、时变性、大滞后的复杂控制系统，难以建立数学模型。
But the gas collector pressure system is a complex multi-variable non-linear, time-varying, long time-delay control system and is not easy to set up its mathematical model.
但是，集气管压力控制系统是一个多变量、非线性、时变性、大滞后的复杂控制系统，难以建立数学模型。
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