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    • 1. 发明申请
    • METHOD AND SYSTEM FOR MONITORING PROCESS STATES OF AN INTERNAL COMBUSTION ENGINE
    • 用于监测内燃机过程状态的方法和系统
    • US20090281737A1
    • 2009-11-12
    • US12480411
    • 2009-06-08
    • Konrad STADLERAndreas PoncetThomas Von Hoff
    • Konrad STADLERAndreas PoncetThomas Von Hoff
    • G01B3/44
    • F02C9/00F01D17/08F02C7/057F02D41/0007F02D41/1445F02D41/1446F02D41/1447F02D41/1497F02D41/18F02D2200/1004F05D2260/80F05D2270/303Y02T10/144
    • For monitoring (unmeasured) process states of a rotating machine having a combustion chamber (e.g. a gas turbine), compositions of educts entering the combustion chamber are measured. Based on the compositions of the educts, the composition of the product produced by the combustion chamber can be determined. Moreover, the mechanical power (Pmech) generated by the rotating machine can be determined. Based on the mechanical power (Pmech), the composition of the educts and product, and stoichiometric relationships of educts and product, the values of process states, such as the air mass flow (wa) through the compressor leading into the combustion chamber and/or the gas mass flow (wg), the composition and/or the temperature (T3) of exhaust gas exiting the combustion chamber can be determined. Based on precise measurements of the educt (e.g. the composition of air and fuel in the combustion process), the product (i.e. the composition of the exhaust gas and its temperature) is derived and, without the need of an iterative or recursive method, the turbine inlet temperature (T3) can be monitored and controlled.
    • 对于具有燃烧室(例如,燃气轮机)的旋转机器的监测(未测量)过程状态,测量进入燃烧室的离析物的组成。 基于离析物的组成,可以确定由燃烧室产生的产物的组成。 此外,可以确定由旋转机器产生的机械功率(Pmech)。 基于机械功率(Pmech),离析物和产物的组成以及离子和产物的化学计量关系,通过经过通向燃烧室的压缩机的空气质量流量(wa)和/ 或气体质量流量(wg),可以确定离开燃烧室的废气的组成和/或温度(T3)。 基于对流出物的精确测量(例如燃烧过程中的空气和燃料的组成),导出产物(即废气的组成及其温度),并且不需要迭代或递归方法 涡轮进口温度(T3)可以被监测和控制。
    • 2. 发明申请
    • METHOD AND SYSTEM FOR CONTROLLING AN INDUSTRIAL PROCESS
    • 控制工业过程的方法和系统
    • US20110208341A1
    • 2011-08-25
    • US13051249
    • 2011-03-18
    • Konrad STADLEREduardo Gallestey AlvarezJan Poland
    • Konrad STADLEREduardo Gallestey AlvarezJan Poland
    • G06F19/00
    • G05B13/0275G05B13/04
    • A control system for controlling an industrial process includes an indicator generator configured to determine at least one fuzzy logic based indicator from measured process variables. The control system also includes a state estimator configured to determine estimated physical process states based on the fuzzy indicator. For controlling the industrial process, the process controller is configured to calculate manipulated variables based on (i) defined set-points and (ii) a physical model of the process using the estimated physical process states. Combining a fuzzy logic indicator with a model based process controller provides robust indicators of the process states for controlling an industrial process in a real plant situation in which measured process variables may possibly contradict each other.
    • 用于控制工业过程的控制系统包括指示器发生器,其被配置为从测量的过程变量确定至少一个基于模糊逻辑的指示符。 控制系统还包括状态估计器,其被配置为基于模糊指示器来确定估计的物理过程状态。 为了控制工业过程,过程控制器被配置为基于(i)定义的设定点和(ii)使用估计的物理过程状态的过程的物理模型来计算操纵变量。 将模糊逻辑指示器与基于模型的过程控制器相结合,为测量过程变量可能相互矛盾的实际工厂情况中控制工业过程提供了强大的过程状态指标。