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    • 2. 发明授权
    • Model predictive control system and method for integrated gasification combined cycle power generation
    • 综合气化联合循环发电模型预测控制系统及方法
    • US08417361B2
    • 2013-04-09
    • US13053731
    • 2011-03-22
    • Aditya KumarRuijie ShiRajeeva KumarMustafa Dokucu
    • Aditya KumarRuijie ShiRajeeva KumarMustafa Dokucu
    • G05B13/04
    • F02C3/28F01K13/02F01K23/067F01K23/101F05D2260/821G05B13/048Y02E20/16Y02E20/18
    • Control system and method for controlling an integrated gasification combined cycle (IGCC) plant are provided. The system may include a controller coupled to a dynamic model of the plant to process a prediction of plant performance and determine a control strategy for the IGCC plant over a time horizon subject to plant constraints. The control strategy may include control functionality to meet a tracking objective and control functionality to meet an optimization objective. The control strategy may be configured to prioritize the tracking objective over the optimization objective based on a coordinate transformation, such as an orthogonal or quasi-orthogonal projection. A plurality of plant control knobs may be set in accordance with the control strategy to generate a sequence of coordinated multivariable control inputs to meet the tracking objective and the optimization objective subject to the prioritization resulting from the coordinate transformation.
    • 提供了控制一体化气化联合循环(IGCC)工厂的控制系统和方法。 该系统可以包括耦合到工厂的动态模型的控制器以处理对工厂性能的预测,并且在经受工厂约束的时间范围内确定IGCC设备的控制策略。 控制策略可以包括控制功能以满足跟踪目标和控制功能以满足优化目标。 控制策略可以被配置为基于诸如正交或准正交投影之类的坐标变换来优化跟踪目标在优化目标上。 可以根据控制策略来设置多个植物控制旋钮,以产生一系列协调的多变量控制输入,以满足跟踪目标和优化目标,并根据坐标变换产生的优先级。
    • 3. 发明授权
    • Method and system to estimate variables in an integrated gasification combined cycle (IGCC) plant
    • 综合气化联合循环(IGCC)工厂估算变量的方法和系统
    • US08538561B2
    • 2013-09-17
    • US13053690
    • 2011-03-22
    • Aditya KumarRuijie ShiMustafa Dokucu
    • Aditya KumarRuijie ShiMustafa Dokucu
    • G05B13/04
    • G05B13/048F01K13/02F01K23/067F01K23/101Y02E20/16Y02E20/18
    • System and method to estimate variables in an integrated gasification combined cycle (IGCC) plant are provided. The system includes a sensor suite to measure respective plant input and output variables. An extended Kalman filter (EKF) receives sensed plant input variables and includes a dynamic model to generate a plurality of plant state estimates and a covariance matrix for the state estimates. A preemptive-constraining processor is configured to preemptively constrain the state estimates and covariance matrix to be free of constraint violations. A measurement-correction processor may be configured to correct constrained state estimates and a constrained covariance matrix based on processing of sensed plant output variables. The measurement-correction processor is coupled to update the dynamic model with corrected state estimates and a corrected covariance matrix. The updated dynamic model may be configured to estimate values for at least one plant variable not originally sensed by the sensor suite.
    • 提供了综合气化联合循环(IGCC)工厂中估计变量的系统和方法。 该系统包括传感器套件,用于测量相应的工厂输入和输出变量。 扩展卡尔曼滤波器(EKF)接收感测到的植物输入变量并且包括动态模型以产生多个植物状态估计和状态估计的协方差矩阵。 抢占约束处理器被配置为优先地约束状态估计和协方差矩阵以避免约束违规。 测量校正处理器可以被配置为基于感测到的植物输出变量的处理来校正约束状态估计和约束协方差矩阵。 耦合测量校正处理器以用校正的状态估计和校正的协方差矩阵来更新动态模型。 更新的动态模型可以被配置为估计最初由传感器套件感测到的至少一个植物变量的值。
    • 4. 发明申请
    • Method and System To Estimate Variables In An Integrated Gasification Combined Cycle (IGCC) Plant
    • 综合气化联合循环(IGCC)工厂估计变量的方法和系统
    • US20120245747A1
    • 2012-09-27
    • US13053690
    • 2011-03-22
    • Aditya KumarRuijie ShiMustafa Dokucu
    • Aditya KumarRuijie ShiMustafa Dokucu
    • G06F1/26
    • G05B13/048F01K13/02F01K23/067F01K23/101Y02E20/16Y02E20/18
    • System and method to estimate variables in an integrated gasification combined cycle (IGCC) plant are provided. The system includes a sensor suite to measure respective plant input and output variables. An extended Kalman filter (EKF) receives sensed plant input variables and includes a dynamic model to generate a plurality of plant state estimates and a covariance matrix for the state estimates. A preemptive-constraining processor is configured to preemptively constrain the state estimates and covariance matrix to be free of constraint violations. A measurement-correction processor may be configured to correct constrained state estimates and a constrained covariance matrix based on processing of sensed plant output variables. The measurement-correction processor is coupled to update the dynamic model with corrected state estimates and a corrected covariance matrix. The updated dynamic model may be configured to estimate values for at least one plant variable not originally sensed by the sensor suite.
    • 提供了综合气化联合循环(IGCC)工厂中估计变量的系统和方法。 该系统包括传感器套件,用于测量相应的工厂输入和输出变量。 扩展卡尔曼滤波器(EKF)接收感测到的植物输入变量并且包括动态模型以产生多个植物状态估计和状态估计的协方差矩阵。 抢占约束处理器被配置为优先地约束状态估计和协方差矩阵以避免约束违规。 测量校正处理器可以被配置为基于感测到的植物输出变量的处理来校正约束状态估计和约束协方差矩阵。 耦合测量校正处理器以用校正的状态估计和校正的协方差矩阵来更新动态模型。 更新的动态模型可以被配置为估计最初由传感器套件感测到的至少一个植物变量的值。
    • 6. 发明申请
    • SENSING AND CONTROL FOR PLASMA-ASSISTED WASTE GASIFICATION
    • 用于等离子体辅助废气的感测和控制
    • US20110290637A1
    • 2011-12-01
    • US12790531
    • 2010-05-28
    • Aditya KumarMatthew Christian NielsenRuijie Shi
    • Aditya KumarMatthew Christian NielsenRuijie Shi
    • B01J19/08H05F3/06
    • C10J3/18C10J3/723C10J3/84C10J2200/12C10J2200/152C10J2300/0946C10J2300/1238C10J2300/1634C10J2300/169C10J2300/1884C10K1/026C10K1/101F23G2201/301F23G2201/40F23G2204/201Y02E20/16
    • A plasma-assisted waste gasification system including a sensing mechanism and process for converting waste stream reaction residues into a clean synthesis gas (syngas) is disclosed. The gasification system includes a first sensor located between a gas quench unit and a heat recovery unit to measure a first temperature and first flow rate of the synthesis gas exiting the gas quench unit; a second sensor to measure a second temperature and a second flow rate of a low temperature synthesis gas entering the gas quench unit; wherein the first sensor and the second sensor are connected to an inferential sensing mechanism. The inferential sensing mechanism is capable of estimating the temperature of the synthesis gas in the reactor, based on the measured first temperature and first flow rate, and the measured second temperature and second flow rate, using a mass-energy balance relationship that is based on the measurements of the two sensors. Another aspect of the invention relates to a control unit to control the temperature of the reactor to a required operating temperature range.
    • 公开了一种等离子体辅助废气处理系统,其包括感测机构和将废物流反应残余物转化为清洁合成气(合成气)的方法。 气化系统包括位于气体骤冷单元和热回收单元之间的第一传感器,用于测量离开气体骤冷单元的合成气的第一温度和第一流量; 用于测量进入气体骤冷单元的低温合成气的第二温度和第二流量的第二传感器; 其中所述第一传感器和所述第二传感器连接到推定感测机构。 基于所测量的第一温度和第一流量以及测量的第二温度和第二流量,使用基于以下的质量 - 能量平衡关系,推测感测机构能够估计反应器中的合成气的温度 两个传感器的测量。 本发明的另一方面涉及一种将反应器的温度控制在所需工作温度范围内的控制单元。