摘要：【中文】本发明公开了一种水泥熟料冷却过程的分数阶模型广义二自由度控制方法。该方法首先建立一个分数阶广义过程模型，定义新型的广义输入得到离散系统的广义过程高阶模型；然后，引入闭环等效的广义开环控制算法，结合二自由度多性能控制思想设计广义二自由度控制器。本发明通过分数阶处理广义模型多项式提高了系统的预测精度，增强了系统准确性；其次采用二自由度分别控制系统的响应速度和系统超调稳定性，可有效提高系统的控制性能。 【EN】The invention discloses a fractional order model generalized two-degree-of-freedom control method in a cement clinker cooling process. Firstly, establishing a fractional order generalized process model, and defining a novel generalized input to obtain a generalized process high-order model of a discrete system; then, a closed-loop equivalent generalized open-loop control algorithm is introduced, and a generalized two-degree-of-freedom controller is designed by combining a two-degree-of-freedom multi-performance control idea. According to the method, the prediction precision of the system is improved through the fractional order processing generalized model polynomial, and the accuracy of the system is enhanced; and secondly, the response speed and the overshoot stability of the system are respectively controlled by adopting two degrees of freedom, so that the control performance of the system can be effectively improved.

摘要：【中文】本发明公开了一种水泥回转窑烧成过程二维容错LQG控制方法。本发明首先通过采集输入输出数据建立过程模型，然后将过程状态变化和输出追踪误差组合为新的过程状态量，进一步以此建立新的过程模型，最后以二次目标函数来设计控制器，设计出最优更新律。不同于传统的控制方法，通过在过程间引入状态变化和输出追踪误差，控制器的调节更为灵活，使得系统容错能力提升，部分执行器故障的影响得以改善。 【EN】The invention discloses a two-dimensional fault-tolerant LQG control method in a rotary cement kiln firing process. The method comprises the steps of firstly establishing a process model by collecting input and output data, then combining process state change and output tracking errors into a new process state quantity, further establishing a new process model according to the process state quantity, and finally designing a controller by using a quadratic objective function to design an optimal updating law. Different from the traditional control method, the state change and the output tracking error are introduced in the process, so that the adjustment of the controller is more flexible, the fault tolerance of the system is improved, and the influence of the faults of part of actuators is improved.

摘要：【中文】本发明涉及一种基于自触发采样的化工工业过程故障诊断与容错控制方法。本发明首先建立系统模型并离散化；然后基于不确定多项式系统方法，构造离散时间Kalman故障诊断观测器来估计故障和状态信息，基于估计的状态和故障信息，设计满足Lyapunov不等式条件约束的自触发故障容错控制器。本发明是基于事件触发控制的基础，利用算法将系统的实时状态和阈值事件融合起来，建立触发策略和实时状态之间的映射关系，从而避免了设计专门的硬件来对阈值事件的存储及监测，当满足触发条件时系统自动采样，诊断到故障，然后通过自动调节系统输入来使系统逐渐达到稳定状态。 【EN】The invention relates to a chemical industry process fault diagnosis and fault tolerance control method based on self-triggering sampling. Firstly, establishing a system model and discretizing; and then constructing a discrete time Kalman fault diagnosis observer to estimate the fault and state information based on an uncertain polynomial system method, and designing a self-triggering fault-tolerant controller meeting the Lyapunov inequality condition constraint based on the estimated state and the fault information. The invention is based on the basis of event trigger control, utilizes an algorithm to fuse the real-time state of the system and a threshold event, and establishes the mapping relation between a trigger strategy and the real-time state, thereby avoiding the design of special hardware for storing and monitoring the threshold event, automatically sampling the system when meeting trigger conditions, diagnosing faults, and then gradually achieving the stable state of the system by automatically adjusting the system input.

摘要：【中文】本发明涉及一种基于分数阶LQG基准的水泥回转窑烧成过程性能确定方法。本发明首先采集水泥回转窑烧成过程运行数据，建立水泥回转窑烧成过程分数阶模型，进一步根据分数阶模型，使用分数阶LQG基准求取水泥回转窑烧成过程的最优输入方差、输出方差，最后，建立水泥回转窑烧成过程的性能权衡曲线。本发明能够在保证水泥回转窑烧成过程的控制精度同时，兼顾较好的输入性能，实现水泥回转窑烧成过程的稳定高精度控制与低能耗控制。 【EN】The invention relates to a method for determining the performance of a rotary cement kiln in a firing process based on a fractional-order LQG standard. The method comprises the steps of firstly collecting operation data of the rotary cement kiln in the burning process, establishing a fractional order model of the rotary cement kiln in the burning process, further using a fractional order LQG standard to obtain the optimal input variance and output variance of the rotary cement kiln in the burning process according to the fractional order model, and finally establishing a performance balance curve of the rotary cement kiln in the burning process. The invention can ensure the control precision of the rotary cement kiln in the firing process, simultaneously has better input performance, and realizes the stable high-precision control and low-energy consumption control of the rotary cement kiln in the firing process.

摘要：【中文】本发明涉及一种基于动态全局LPP的工业过程监测方法。本发明首先离线建模，收集化工过程正常工作的传感器数据作为训练数据，并执行DGLPP算法，确定投影矩阵和统计量控制限。然后在线监测，采集在线新样本，进行DGLPP处理，计算监测统计量并与离线建模时的控制限对比，本发明在LPP中引入了全局约束条件的同时将原始数据进行动态矩阵拓展，加强了算法的全局特性和动态特性。 【EN】The invention relates to an industrial process monitoring method based on dynamic global LPP. The method comprises the steps of firstly modeling off line, collecting sensor data which normally work in the chemical process as training data, executing a DGLPP algorithm, and determining a projection matrix and a statistic control limit. And then, carrying out online monitoring, collecting an online new sample, carrying out DGLPP processing, calculating monitoring statistics and comparing the monitoring statistics with a control limit during offline modeling.