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    • 5. 发明授权
    • Method and apparatus for parameter estimation, parameter estimation control and learning control
    • 用于参数估计,参数估计控制和学习控制的方法和装置
    • US06678640B2
    • 2004-01-13
    • US09329196
    • 1999-06-10
    • Akira IshidaMasuo Takigawa
    • Akira IshidaMasuo Takigawa
    • G06F1518
    • F02D41/1405G05B13/0285
    • A parameter estimation device for estimating parameters relating to input and output of a control object by using a neural network, including control domain division means for selecting at least one parameter having strong correlation with non-linearity amongst input-output characteristics of the control object, as a parameter of a premise part of fuzzy operation, and dividing a control domain of the control object into a plurality of small domains by fuzzy estimation based on the parameter of the premise part; and estimation means for estimating dynamic behavior of the control object by using, as a consequent part of the fuzzy operation, a neural network which receives a parameter indicating the operation state of each of the small domain into which the control domain is divided, so that the output from the neural network can be checked in advance.
    • 一种用于通过使用神经网络来估计与控制对象的输入和输出有关的参数的参数估计装置,所述神经网络包括:控制域分割装置,用于选择与所述控制对象的输入 - 输出特性之间的非线性强非常相关的至少一个参数, 作为模糊操作的前提部分的参数,并且通过基于前提部分的参数的模糊估计将控制对象的控制域划分为多个小域; 以及估计装置,用于通过使用作为模糊操作的结果部分的神经网络来估计控制对象的动态行为,该神经网络接收指示控制域被分割成的每个小域的操作状态的参数,使得 可以提前检查神经网络的输出。
    • 6. 发明授权
    • Parameter estimation apparatus
    • 参数估计装置
    • US6092017A
    • 2000-07-18
    • US146613
    • 1998-09-03
    • Akira IshidaMasuo Takigawa
    • Akira IshidaMasuo Takigawa
    • G06F15/18F02D41/14G05B13/02G05B23/02G06N3/04G06N3/08F02D41/04G06F17/00
    • F02D41/1458F02D41/1404F02D41/1405G05B13/0285G06N3/0436F02D41/1402
    • An output parameter estimation apparatus for estimating an output parameter from an input data set that is composed of a plurality of input parameters and that is obtained whenever sampling time series input data. In this output parameter estimation apparatus, a fuzzy inference rule is used to calculate a fitness degree of the input data set in one of a plurality of fields included in a space that is formed using at least one input parameter. According to the calculated fitness degree, introduction routes through which the input data set is to be inputted into a neural network are selected. The neural network is set in a connection condition corresponding to the field to which the input data set belongs, the connection condition having been determined in advance as a result of learning process. With this connection condition, the neural network estimates the output parameter from the input data set inputted through the selected introduction routes.
    • 一种输出参数估计装置,用于从由多个输入参数组成并且每当采样时间序列输入数据时获得的输入数据集来估计输出参数。 在该输出参数估计装置中,使用模糊推理规则来计算包含在使用至少一个输入参数形成的空间中的多个场中的一个场中的输入数据的适合度。 根据计算的适应度,选择将输入数据组输入到神经网络的引入路径。 将神经网络设置为与输入数据集所属的领域相对应的连接条件,连接条件作为学习处理的结果被预先确定。 利用该连接条件,神经网络从通过选择的引入路径输入的输入数据集估计输出参数。
    • 7. 发明授权
    • Co-Sb based thermoelectric material and a method of producing the same
    • Co-Sb系热电材料及其制造方法
    • US5929351A
    • 1999-07-27
    • US64986
    • 1998-04-23
    • Hiroki KusakabeHisaaki GyotenMasuo Takigawa
    • Hiroki KusakabeHisaaki GyotenMasuo Takigawa
    • C22C1/04H01L35/18C22C19/00
    • H01L35/18C22C1/0491B22F2998/00
    • The present invention relates to a thermoelectric material containing CoSb.sub.3 compound for converting heat to electricity, and provides a p-type thermoelectric material of CoSb.sub.3 having a high power factor by achieving high Seebeck coefficient consistently with high electric conductivity in a material of CoSb.sub.3 system without causing increase in heat conductivity. By sintering Co.sub.0.07 Pt.sub.0.03 Sb.sub.3 alloy powder using the spark plasma sintering technique, the material is densified, while growth of grains is restricted, so that a higher electric conductivity is achieved with a heat conductivity maintained in a low level, and the figure of merit as a heat-transfer material is improved. Also, by providing such heat insulating layer as an oxide intermediately in a grain boundary of a compound of CoSb.sub.3 in a sintered body, the heat conductivity is reduced. Further, the Seebeck coefficient is increased by adding a rare earth metal to the thermoelectric material of CoSb.sub.3, and allowing it to be precipitated in grain boundaries of the sintered body.
    • 本发明涉及一种含有用于将热量转换成电的CoSb3化合物的热电材料,并且通过在CoSb3系统的材料中实现高导电率的高塞贝克系数提供具有高功率因数的p型热电材料,而不引起 导热系数增加。 通过使用放电等离子体烧结技术烧结Co0.07Pt0.03Sb3合金粉末,材料致密化,同时晶粒生长受到限制,从而在导热率保持在较低水平的情况下实现更高的导电性, 作为传热材料的优点得到改善。 此外,通过在烧结体中的CoSb 3化合物的晶界中设置作为氧化物的隔热层,导热性降低。 此外,通过向CoSb 3的热电材料中添加稀土金属并使其在烧结体的晶界析出而使塞贝克系数增加。
    • 9. 发明授权
    • Skutterudite thermoelectric material thermoelectric couple and method of producing the same
    • 方钴矿热电材料热电偶及其制造方法
    • US06207886B1
    • 2001-03-27
    • US09343680
    • 1999-06-30
    • Hiroki KusakabeMasuo Takigawa
    • Hiroki KusakabeMasuo Takigawa
    • H01L3534
    • H01L35/18
    • The present invention relates to a skutterudite thermoelectric material for directly converting heat generated by the Seebeck effect into electricity, and provides a method of producing a Co—Sb-based filled-skutterudite sintered material having a lower thermal conductivity and thereby having a higher figure of merit. The crystal grains of a Sb-containing skutterudite compound and a metal oxide dispersed in the crystal grain boundaries are sintered to obtain the skutterudite thermoelectric sintered material. The metal oxide prevents growth of grains in the process of sintering, whereby the skutterudite compound is finely pulverized to have an average crystal grain size of 20 &mgr;m or less. As a result, the areas at the boundaries of the fine crystal grains are increased, phonon scattering is enhanced, the thermal conductivity is decreased, and the figure of merit is increased. The metal oxide is an oxide of a rare earth metal. The skutterudite compound includes a filled-skutterudite compound having a composition of LnyFexCo4−xSb12 (Ln: a rare earth metal, 0
    • 本发明涉及一种用于将由塞贝克效应产生的热直接转化为电的方钴矿热电材料,并提供一种生产具有较低热传导率的Co-Sb基填充方钴矿烧结材料的方法, 值得。 将Sb含有方钴矿化合物和分散在晶界的金属氧化物的晶粒烧结,得到方钴矿热电烧结材料。 金属氧化物防止烧结过程中的晶粒生长,由此将方钴矿化合物细粉碎至平均晶粒尺寸为20μm以下。 结果,细晶粒边界的面积增加,声子散射增强,导热性下降,品质因数提高。 金属氧化物是稀土金属的氧化物。 方钴矿化合物包括具有LnyFexCo4-xSb12(Ln:稀土金属,0