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    • 1. 发明授权
    • Apparatus, method and program for vehicle mass estimation
    • 车辆质量估计的装置,方法和程序
    • US08554511B2
    • 2013-10-08
    • US12912293
    • 2010-10-26
    • Hajime FujitaMitsuhiro Wada
    • Hajime FujitaMitsuhiro Wada
    • G01G1/18G01G1/20G06F3/01G06F3/02
    • G01G19/086
    • An apparatus, method and program for estimating the mass of a vehicle uses periodically detected tire rotation speed information of the vehicle wheels, calculated tire rotation acceleration information, calculated driving force of the vehicle, and estimated mass of the vehicle as a regression coefficient when the rotation acceleration information and the driving force information are subjected to linear regression. With regard to an error in calculated driving force information, a ratio is calculated between the dispersion of the error obtained one time before and an error at the current moment, and an update adjustment parameter is calculated by adding a stabilization parameter to thus obtained ratio. The calculated update adjustment parameter is used to calculate a Kalman gain so that the mass is sequentially estimated so as to reduce an update width of the regression coefficient when the error ratio is higher.
    • 用于估计车辆质量的装置,方法和程序使用周期性检测的车轮的轮胎转速信息,计算的轮胎转动加速度信息,车辆的计算驱动力和车辆的估计质量作为回归系数 旋转加速度信息和驱动力信息进行线性回归。 关于计算出的驱动力信息的误差,计算出在一次之前获得的误差的偏差与当前时刻的误差之间的比率,并且通过将如此获得的比率的稳定参数相加来计算更新调整参数。 所计算的更新调整参数用于计算卡尔曼增益,使得质量被顺序估计,以便当误差率较高时减小回归系数的更新宽度。
    • 2. 发明申请
    • APPARATUS, METHOD AND PROGRAM FOR VEHICLE MASS ESTIMATION
    • 装置,方法和程序的车辆质量估计
    • US20110218764A1
    • 2011-09-08
    • US12912293
    • 2010-10-26
    • Hajime FUJITAMitsuhiro Wada
    • Hajime FUJITAMitsuhiro Wada
    • G06F15/00G01G19/03
    • G01G19/086
    • A vehicle mass estimation apparatus for estimating the mass of a vehicle based on rotation information of tires attached to the vehicle. The apparatus includes a rotation speed information detection means for periodically detecting tire rotation speed information of the respective wheels of the vehicle; a rotation acceleration information calculation means for calculating tire rotation acceleration information based on the rotation speed information obtained by the rotation speed information detection means; a driving force calculation means for calculating a driving force of the vehicle based on axle shaft torque information of the vehicle; and a vehicle mass estimation means for estimating the mass of the vehicle as a regression coefficient when the rotation acceleration information and the driving force information are subjected to linear regression. The vehicle mass estimation means calculates, with regard to an error between driving force information calculated based on the estimated mass and the rotation acceleration information and the driving force information calculated by the driving force calculation means, a ratio between the dispersion of the error obtained one time before and an error at the current moment; and calculates an update adjustment parameter by adding a stabilization parameter to thus obtained ratio, and uses the calculated update adjustment parameter to calculate a Kalman gain so that the mass is sequentially estimated so as to reduce an update width of the regression coefficient when the error ratio is higher.
    • 一种车辆质量估计装置,用于基于车辆的轮胎的旋转信息来估计车辆的质量。 该装置包括用于周期性地检测车辆各车轮的轮胎转速信息的转速信息检测装置; 旋转加速度信息计算装置,用于基于由所述转速信息检测装置获得的转速信息来计算轮胎转动加速度信息; 驱动力计算装置,用于根据车辆的车轴转矩信息计算车辆的驱动力; 以及车辆质量估计装置,用于当旋转加速度信息和驱动力信息经受线性回归时,将车辆的质量估计为回归系数。 车辆质量估计装置针对基于估计质量计算出的驱动力信息与旋转加速度信息之间的误差与由驱动力计算装置计算出的驱动力信息的误差,计算得到的误差的偏差 在此之前的时间和错误; 并通过对这样得到的比率加上稳定参数来计算更新调整参数,并且使用所计算出的更新调整参数来计算卡尔曼增益,使得质量被顺序估计,以便当误差率 更高。
    • 3. 发明授权
    • Illumination optical device and projection display device
    • 照明光学装置和投影显示装置
    • US07901082B2
    • 2011-03-08
    • US12303016
    • 2007-06-01
    • Shinya SannoheMitsuhiro Wada
    • Shinya SannoheMitsuhiro Wada
    • G03B21/14
    • G02B27/0905G02B27/0972G03B21/2013G03B21/2026G03B21/2066G03B21/208H04N9/3152H04N9/3164
    • There are provided 2n (n is 2 or more) light sources 21a to 21d, 2n first collective optical systems composed of ellipsoidal mirrors 21a to 21d that are arranged so as to focus light beams emitted from the respective light sources, n first light combiner optical systems that are composed of prisms 23a and 23b, each having an isosceles triangular prism shape in cross section, and are arranged so as to synthesize exiting light beams from respective corresponding two of the first collective optical systems, second collective optical systems 26a and 26b arranged so as to focus exiting light beams from the respective first light combiner optical systems, a n/2 second light combiner optical system composed of a prism 27 having an isosceles triangular prism shape in cross section and arranged so as to synthesize exiting light beams from respective corresponding two of the second collective optical systems, and a third collective optical system 35 composed of a plurality of lenses and a plurality of lens arrays and arranged so as to allow exiting light beam from the second light combiner optical system to be incident thereon. The 2n first collective optical systems each have an optical axis substantially parallel to one another.
    • 设有2n(n为2个以上)的光源21a〜21d,2n个由椭圆面镜21a〜21d构成的第1集光系统,其被配置为聚焦从各光源射出的光束,n个第1组合光 由棱镜23a和23b构成的各个具有等腰三角棱柱形截面的系统,被布置成合成来自相应的两个第一集合光学系统的出射光束,第二聚光光学系统26a和26b被布置 以聚焦离开来自各个第一组合光学系统的光束;一个由具有等腰三角棱镜形状的棱镜27组成的一个/ 2个第二组合光学系统,它们被布置为合成来自各自对应的出射光束 第二集体光学系统中的两个,以及由多个透镜和多个透镜组成的第三聚光光学系统35 并且布置成允许从第二光组合器光学系统射出的光束入射到其上。 2n个第一集体光学系统各自具有基本上彼此平行的光轴。
    • 7. 发明申请
    • Sweat-Absorbent Sheet and Process for Making the Same
    • 吸汗片及其制造方法
    • US20070149933A1
    • 2007-06-28
    • US11559121
    • 2006-11-13
    • Mitsuhiro WadaAkiko TangeKiyoshi MiyazawaChieko Toyooka
    • Mitsuhiro WadaAkiko TangeKiyoshi MiyazawaChieko Toyooka
    • A61F13/15
    • A61F13/84A61F13/15699
    • A sweat-absorbent sheet includes a first surface layer, a second surface layer lying on the opposite side of the first surface layer and an intermediate layer sandwiched between these two layers. Each of the first and second surface layers comprises a mixture layer of first and second hydrophobic fibers made of thermoplastic synthetic resin as main constituent and first and second hydrophilic fibers. The intermediate layer comprises third hydrophilic fibers extending into at least one of the first and second hydrophobic fibers. The first and second hydrophobic fibers are bonded to the crimped to hydrophobic composite fibers mixed in the respective layers. The first, second and third hydrophilic fibers are impregnated with antibacterial or bactericidal medicinal ingredient and such medicinal ingredient is left behind on these hydrophilic fibers after these hydrophilic fibers have been dried.
    • 吸汗片包括第一表面层,位于第一表面层相对侧的第二表面层和夹在这两层之间的中间层。 第一表层和第二表层中的每一个包括由热塑性合成树脂作为主要成分和第一和第二亲水纤维制成的第一和第二疏水纤维的混合层。 中间层包括延伸到第一和第二疏水纤维中的至少一个的第三亲水纤维。 将第一和第二疏水性纤维结合到混合在各层中的卷曲到疏水复合纤维。 第一,第二和第三亲水性纤维用抗菌或杀菌药物成分浸渍,并且在这些亲水性纤维被干燥之后,将这些药物成分留在这些亲水性纤维上。
    • 9. 发明申请
    • Projection type display apparatus, rear projection, and multi-vision system
    • 投影型显示装置,背投,多视觉系统
    • US20050206858A1
    • 2005-09-22
    • US11130901
    • 2005-05-17
    • Yoshimasa FushimiYoshihiro MasumotoMitsuhiro Wada
    • Yoshimasa FushimiYoshihiro MasumotoMitsuhiro Wada
    • G02B19/00G02B26/08H04N5/74G03B21/20
    • H04N9/3114G02B19/0028G02B19/0047G02B26/0841G03B21/20H04N5/7416H04N5/7458H04N9/3141
    • The present invention provides a small projection type display apparatus capable of suppressing an optical path of incident light and an optical path of output light in a reflection type light valve from being overlapped with each other and obtaining a projected image of high quality; a rear projector and a multi-vision system using the same. The projection type display apparatus is composed of an illumination optical system 2 for collecting light radiated from a light source 1 to form illumination light, a reflection type light valve 6 for reflecting the illumination light to output modulated light forming an optical image, a projection lens system 7 for projecting an optical image formed by the reflection type light valve, and a lens element 5 with a positive power. The lens element 5 is composed of one plano-convex lens, and is placed between the reflection type light valve and the projection lens system with a convex surface directed to the projection lens system, in such a manner that the illumination light passes through the lens element to illuminate the reflection type light valve, and the modulated light output from the reflection type light valve passes through the lens element to be incident upon the projection lens system.
    • 本发明提供一种能够抑制入射光的光路和反射型光阀中的输出光的光路彼此重叠并获得高品质的投影图像的小型投影型显示装置。 后投影机和使用其的多视觉系统。 投影型显示装置由用于收集从光源1照射的光以形成照明光的照明光学系统2,反射型光阀6,用于反射照明光以输出形成光学图像的调制光,投影透镜 用于投影由反射型光阀形成的光学图像的系统7和具有正光焦度的透镜元件5。 透镜元件5由一个平凸透镜构成,并且以照明光通过透镜的方式设置在反射型光阀和投影透镜系统之间,具有朝向投影透镜系统的凸表面 元件以照亮反射型光阀,并且从反射型光阀输出的调制光通过透镜元件入射到投影透镜系统。