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    Method of and a system for measuring a stress or a stress distribution, using a stress luminescent material
    2.
    发明授权
    Method of and a system for measuring a stress or a stress distribution, using a stress luminescent material 有权
    使用应力发光材料测量应力或应力分布的方法和系统

    公开(公告)号：US06628375B2

    公开(公告)日：2003-09-30

    申请号：US09749948

    申请日：2000-12-29

    申请人： Chao-Nan Xu ,  Morito Akiyama ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

    发明人： Chao-Nan Xu ,  Morito Akiyama ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

    IPC分类号： G01B1116

    CPC分类号： G01L1/24

    摘要： This invention is to provide a method and a system which, by making use of a stress luminescent material, renders it possible to directly observe a stress distribution on the base of a real time without electrical contacts, and to easily measure a stress or a stress distribution and a stress image. Essentially, the invention comprises the steps of adding a stress to a tested body containing a stress luminescent material whose light emission is proportional to the stress, making visually observable a stress distribution over the tested body in accordance with a luminous intensity of the stress luminescent material contained in the tested body, measuring the luminous intensity of the luminescent material of the tested body, comparing the measured value of the luminous intensity with certain correlation data indicating a relationship between the luminous intensity of the stress luminescent material and a stress, thereby obtaining a stress value or a stress distribution over the tested body.

    摘要翻译： 本发明提供一种通过利用应力发光材料使得可以在没有电接触的情况下直接观察基底上的应力分布并且容易地测量应力或应力的方法和系统 分布和压力图像。 实质上，本发明包括以下步骤：将包含发光与应力成比例的应力发光材料的被测体施加应力，使视觉上观察到根据应力发光材料的发光强度在被测体上的应力分布 测量被测体的发光材料的发光强度，将发光强度的测定值与表示应力发光材料的发光强度与应力之间的关系的一定的相关数据进行比较，从而得到 应力值或应力分布在被测体上。

    Mechanoluminescence material and process for producing the same
    3.
    发明申请
    Mechanoluminescence material and process for producing the same 失效
    机械发光材料及其制造方法

    公开(公告)号：US20050247912A1

    公开(公告)日：2005-11-10

    申请号：US10519937

    申请日：2003-07-24

    申请人： Morito Akiyama ,  Chao-Nan Xu ,  Kazuhiro Nonaka

    发明人： Morito Akiyama ,  Chao-Nan Xu ,  Kazuhiro Nonaka

    IPC分类号： C09K11/64 ,  C09K11/08 ,  C09K11/77 ,  C09K11/80

    CPC分类号： C09K11/7734 ,  C09K11/7792 ,  F21K2/04

    摘要： A mechanoluminescence material comprising a matrix of composite metal oxide containing strontium and aluminum, represented by the general formula SrM1Al6O11 (wherein M1 is an alkaline earth metal) or SrM2Al3O7 (wherein M2 is a rare earth metal), and further comprising, as luminescence centers, a metal selected from among rare earth metals and transition metals capable of emitting light when a carrier having been excited by mechanical energy returns to its ground state.

    摘要翻译： 一种机械发光材料，其包含由通式SrM 1 Al 6 O 11表示的含有锶和铝的复合金属氧化物的基质（其中M 1是一种碱土金属）或SrM 2 O 3 N 7 O 7（其中M < / SUP>是稀土金属），并且还包含作为发光中心的金属，当通过机械能激发的载体返回到其基态时，能够发光的稀土金属和过渡金属中的金属。

    Two-layer structure composite material for detecting cracks
    4.
    发明授权
    Two-layer structure composite material for detecting cracks 失效
    用于检测裂纹的两层结构复合材料

    公开(公告)号：US06240786B1

    公开(公告)日：2001-06-05

    申请号：US08705063

    申请日：1996-08-29

    申请人： Morito Akiyama ,  Tadahiko Watanabe ,  Kazuhiro Nonaka

    发明人： Morito Akiyama ,  Tadahiko Watanabe ,  Kazuhiro Nonaka

    IPC分类号： G01B2100

    CPC分类号： G01M5/0033 ,  G01N2203/0064 ,  G01N2203/0629

    摘要： A two-layer structure composite material, by which it is possible to easily detect the occurrence of the cracks occurred in the structural material and to predict the possible destruction of the structural material before it actually occurs. To a structural material, a voltage generating material consisting of a ferroelectric material, a pyroelectric material or a piezoelectric material, is bonded to produce a two-layer structure material, and an electrode is provided for detecting voltage, which is generated owing to impact force.

    摘要翻译： 一种双层结构复合材料，通过它可以容易地检测到在结构材料中发生的裂纹的发生，并预测结构材料实际发生之前可能的破坏。 对于结构材料，由铁电材料，热电材料或压电材料组成的电压产生材料被接合以产生双层结构材料，并且提供用于检测由于冲击力产生的电压的电极 。

    High-luminosity stress-luminescent material
    5.
    发明授权
    High-luminosity stress-luminescent material 有权
    高亮度应力发光材料

    公开(公告)号：US06280655B1

    公开(公告)日：2001-08-28

    申请号：US09468899

    申请日：1999-12-22

    申请人： Chaonan Xu ,  Tadahiko Watanabe ,  Morito Akiyama ,  Kazuhiro Nonaka

    发明人： Chaonan Xu ,  Tadahiko Watanabe ,  Morito Akiyama ,  Kazuhiro Nonaka

    IPC分类号： C09K1100

    CPC分类号： C09K11/7721 ,  C09K11/643 ,  C09K11/7734

    摘要： Disclosed is a high-efficiency stress-luminescent material capable of emitting luminescence by receiving a mechanical stress such as compression, shearing and rubbing. The stress-luminescent material is an alkaline earth aluminate of a non-stoichiometric composition deficient in the content of the alkaline earth element by 0.01 to 20% by moles from stoichiometry. The efficiency of stress-luminescence emission can be further enhanced when the non-stoichiometric alkaline earth aluminate contains 0.01 to 10% by moles of rare earth metal ions or transition metal ions. The stress-luminescent material is prepared by subjecting a non-stoichiometric composite oxide of aluminum oxide and an alkaline earth oxide to a calcination treatment at 800 to 1700° C. in a reducing atmosphere.

    摘要翻译： 本发明公开了一种高效应力发光材料，能够通过承受压缩，剪切和摩擦等机械应力而发光。 应力发光材料是非化学计量组合物的碱土金属铝酸盐，其碱性元素的含量与化学计量相比减少0.01至20摩尔％。 当非化学计量的碱土金属铝酸盐含有0.01〜10摩尔％的稀土金属离子或过渡金属离子时，可以进一步提高应力 - 发光发射的效率。 应力发光材料是通过使氧化铝和碱土金属氧化物的非化学计量复合氧化物在还原气氛中在800〜1700℃进行煅烧处理来制备的。

    Stress emission material and its manufacturing method
    6.
    发明授权
    Stress emission material and its manufacturing method 有权
    应力发射材料及其制造方法

    公开(公告)号：US06159394A

    公开(公告)日：2000-12-12

    申请号：US245303

    申请日：1999-02-05

    申请人： Morito Akiyama ,  Chaonan Xu ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

    发明人： Morito Akiyama ,  Chaonan Xu ,  Kazuhiro Nonaka ,  Tadahiko Watanabe

    IPC分类号： C09K11/08 ,  C09K11/56 ,  C09K11/64 ,  C09K11/65 ,  C09K11/77 ,  C09K11/00 ,  C09K11/55

    CPC分类号： C09K11/77 ,  C09K11/562 ,  C09K11/643 ,  C09K11/65 ,  C09K11/7701 ,  C09K11/7706 ,  C09K11/7728 ,  C09K11/7729 ,  C09K11/7734 ,  Y10S252/961

    摘要： The present invention provides a new stress emission material that is different from the other known materials and that efficiently emits light when subjected to a mechanical external force such as a frictional force, a shear force, an impact, or a pressure. This stress emission material is configured by adding an emission center comprising one or more rare earths or transition metals that emit light when electrons excited by a mechanical force return to their normal state, to a base material comprising one or more of an oxide, a sulfide, a carbide, and a nitride each having an FeS.sub.2 structure. This material has an emission intensity that depends on stress.

    摘要翻译： 本发明提供了与其它已知材料不同的新的应力发射材料，并且当经受诸如摩擦力，剪切力，冲击或压力的机械外力时有效地发光。 这种应力发射材料通过将包括一种或多种稀土或过渡金属的发射中心配置成将包含一种或多种氧化物，硫化物的基体材料发射到基体材料，所述稀土或过渡金属在通过机械力激发的电子返回其正常状态时发光; ，碳化物和各自具有FeS 2结构的氮化物。 该材料具有取决于应力的发射强度。

    Mechanoluminescence material and process for producing the same
    7.
    发明授权
    Mechanoluminescence material and process for producing the same 失效
    机械发光材料及其制造方法

    公开(公告)号：US07258817B2

    公开(公告)日：2007-08-21

    申请号：US10519937

    申请日：2003-07-24

    申请人： Morito Akiyama ,  Chao-Nan Xu ,  Kazuhiro Nonaka

    发明人： Morito Akiyama ,  Chao-Nan Xu ,  Kazuhiro Nonaka

    IPC分类号： C09K11/64 ,  C09K11/80 ,  C09K11/08

    CPC分类号： C09K11/7734 ,  C09K11/7792 ,  F21K2/04

    摘要： A mechanoluminescence material comprising a matrix of composite metal oxide containing strontium and aluminum, represented by the general formula SrM1Al6O11 (wherein M1 is an alkaline earth metal) or SrM2Al3O7 (wherein M2 is a rare earth metal), and further comprising, as luminescence centers, a metal selected from among rare earth metals and transition metals capable of emitting light when a carrier having been excited by mechanical energy returns to its ground state.

    摘要翻译： 一种机械发光材料，其包含由通式SrM 1 Al 6 O 11表示的含有锶和铝的复合金属氧化物的基质（其中M 1是一种碱土金属）或SrM 2 O 3 N 7 O 7（其中M < / SUP>是稀土金属），并且还包含作为发光中心的金属，当通过机械能激发的载体返回到其基态时，能够发光的稀土金属和过渡金属中的金属。

    Sensorless vector control method for alternating-current motor and control apparatus therefor
    9.
    发明授权
    Sensorless vector control method for alternating-current motor and control apparatus therefor 有权
    用于交流电动机的无传感器矢量控制方法及其控制装置

    公开(公告)号：US07423395B2

    公开(公告)日：2008-09-09

    申请号：US10520467

    申请日：2003-07-02

    申请人： Hideaki Iura ,  Kazuhiro Nonaka ,  Yuichi Terazono ,  Yoichi Yamamoto ,  Satoshi Sueshima ,  Katsushi Terazono ,  Mitsujiro Sawamura

    发明人： Hideaki Iura ,  Kazuhiro Nonaka ,  Yuichi Terazono ,  Yoichi Yamamoto ,  Satoshi Sueshima ,  Katsushi Terazono ,  Mitsujiro Sawamura

    IPC分类号： H02P21/00

    CPC分类号： H02P1/029

    摘要： It is the objective of the present invention to provide a sensorless vector control method and a control apparatus, for an alternating-current motor, that can smoothly restart an alternating-current motor in the free running state.According to the present invention, when a current that flows in an alternating-current motor (2) at a restart time 7 the alternating-current motor (2) continuously flows at a designated current level or higher for a designated period of time, it is determined that the rotational direction or the velocity of the alternating-current motor (2) is incorrectly estimated, and a direct current or a direct-current voltage is again applied to again estimate the rotational direction and the velocity.

    摘要翻译： 本发明的目的是提供一种用于交流电动机的无传感器矢量控制方法和控制装置，其可以在自由运行状态下平稳地重启交流电动机。 根据本发明，当在交流电动机（2）中在交流电动机（2）中流过交流电动机（2）的电流在指定的时间段内连续地以指定的电流或更高的水平流动时， 确定不正确地估计交流电动机（2）的旋转方向或速度，并且再次施加直流电流或直流电压以再次估计旋转方向和速度。