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    • 3. 发明授权
    • Control system for a plant using identified model parameters
    • 使用识别模型参数的工厂控制系统
    • US07050864B2
    • 2006-05-23
    • US10312108
    • 2002-04-19
    • Yuji YasuiYoshihisa IwakiJun Takahasi
    • Yuji YasuiYoshihisa IwakiJun Takahasi
    • G05B13/02
    • G05B13/042F02D35/0007F02D41/1403F02D41/1454F02D41/40F02D2041/1423F02D2041/143G05B13/047G05B13/048
    • A control system for a plant is provided. This control system can control the plant more stably, when the model parameters of the controlled object model which are obtained by modeling the plant, which is a controlled object, are identified and the sliding mode control is performed using the identified model parameters. The model parameter identifier (22) calculates a model parameter vector (θ) by adding an updating vector (d θ) to a reference vector (θ base) of the model parameter. The updating vector (d θ) is corrected by multiplying a past value of at least one element of the updating vector by a predetermined value which is greater than “0” and less than “1”. The model parameter vector (θ) is calculated by adding the corrected updating vector (d θ) to the reference vector (θ base).
    • 提供了一种植物控制系统。 当通过对作为受控对象的设备进行建模获得的受控对象模型的模型参数被识别并且使用所识别的模型参数来执行滑动模式控制时,该控制系统可以更稳定地控制设备。 模型参数标识符(22)通过将更新向量(dθ)添加到模型参数的参考向量(θbase)来计算模型参数向量(θ)。 通过将更新向量的至少一个元素的过去值乘以大于“0”且小于“1”的预定值来校正更新向量(dθ)。 通过将校正的更新向量(dθ)加到参考矢量(θbase)来计算模型参数矢量(theta)。
    • 7. 发明授权
    • Adsorption amount sensor and coking sensor for internal combustion engine
    • 内燃机吸附量传感器和焦化传感器
    • US06602471B1
    • 2003-08-05
    • US09568125
    • 2000-05-10
    • Masahiro SatoYoshihisa IwakiYuji YasuiTakashi HagaMasaki UenoTetsuo Endo
    • Masahiro SatoYoshihisa IwakiYuji YasuiTakashi HagaMasaki UenoTetsuo Endo
    • G01N3096
    • F01N3/0835F01N3/0814F01N13/009F01N2370/04F01N2560/028G01N27/043G01N27/221G01N33/0047Y10T436/21
    • There are provided an adsorption amount sensor which is capable of accurately detecting an amount of hydrocarbons or water adsorbed by a zeolite of a hydrocarbon adsorber, even during operation of an engine, as well as a coking sensor which is capable of accurately detecting an amount of coke deposition on inner surfaces of a pipe of an internal combustion engine, even during operation of an engine. The adsorption amount sensor has a plurality of electrodes arranged in the vicinity of the hydrocarbon adsorber in a manner opposed to each other and each carrying a zeolite thereon. The amount of hydrocarbons adsorbed is detected by using a parameter indicative of changes in at least one of a resistance value between the electrodes and an electrical capacitance between the electrodes. The coking sensor has a plurality of electrodes arranged within the pipe of the engine in a manner opposed to each other and each having a surface thereof coated with an insulating material. The amount of coke deposition is detected by using a parameter indicative of changes in at least one of a resistance value between the electrodes and an electrical capacitance between the electrodes.
    • 提供了一种吸附量传感器,其能够精确地检测碳氢化合物吸附器的沸石或发动机的操作期间吸附的烃的量,以及焦化传感器,该焦化传感器能够精确地检测 即使在发动机的运转期间,内燃机的管的内表面上的焦炭沉积。 吸附量传感器具有以彼此相对的方式布置在烃吸附器附近的多个电极,并且各自在其上承载沸石。 通过使用指示电极之间的电阻值和电极之间的电容中的至少一个的变化的参数来检测吸附的烃的量。 焦化传感器具有以彼此相对的方式布置在发动机的管内的多个电极,并且每个电极的表面涂覆有绝缘材料。 通过使用指示电极之间的电阻值和电极之间的电容中的至少一个的变化的参数来检测焦炭沉积量。