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    • 2. 发明授权
    • Upconversion fiber laser apparatus
    • 上转换光纤激光装置
    • US06320885B1
    • 2001-11-20
    • US09389378
    • 1999-09-03
    • Kiyoyuki KawaiRitsuo YoshidaKen ItouHideaki Okano
    • Kiyoyuki KawaiRitsuo YoshidaKen ItouHideaki Okano
    • H01S330
    • H01S3/09415H01S3/07H01S3/094011H01S3/094015H01S3/094042H01S3/094092H01S3/094096H01S3/1608H01S3/1616H01S5/146
    • In an up-conversion laser using Tm, blue light having a wavelength of 450 nm and blue light having a wavelength of 480 nm are outputted simultaneously. A high output is enabled with a high efficiency, and a green up-conversion laser is also realized by a similar means. A hybrid fiber laser apparatus includes a light source which outputs light near a wavelength A, and comprises a means for reflecting light near the wavelength A, which is provided at another end of the optical fiber, thereby to form an optical resonator for the wavelength A. In this hybrid fiber laser apparatus, an up-conversion fiber is provided in the optical resonator for the wavelength A, and optical resonator structures for a wavelength B constructed by reflection means and for a wavelength B are respectively provided at two positions at both ends of the up-conversion fiber. Of the two reflection means, the reflection means in the laser diode chip side is arranged so as to achieve high reflection, and the other reflection means in the other end side is arranged so as to achieve partial reflection, thereby to obtain output light having a wavelength B from the partial reflection side.
    • 在使用Tm的上转换激光中,同时输出波长为450nm的蓝色光和波长为480nm的蓝色光。 高效率地实现了高输出,并且通过类似的方式也实现了绿色上转换激光器。 混合光纤激光装置包括输出波长A附近的光的光源,并且包括用于反射靠近波长A的光的装置,该装置设置在光纤的另一端,从而形成用于波长A的光谐振器 在该混合光纤激光装置中,在波长A的光谐振器中设置有上变频光纤,由反射装置和波长B构成的波长B的光谐振器结构分别设置在两端的两个位置 的上转换光纤。 在两个反射装置中,激光二极管芯片侧的反射装置被布置成实现高反射,并且另一端侧的另一反射装置被布置成实现部分反射,从而获得具有 来自部分反射侧的波长B.
    • 7. 发明授权
    • Vehicle follow-up control apparatus
    • 车辆后续控制装置
    • US5959572A
    • 1999-09-28
    • US49100
    • 1998-03-27
    • Akira HigashimataKen Itou
    • Akira HigashimataKen Itou
    • B60K31/00G08G1/16G01S13/93
    • B60K31/0008G08G1/166
    • A preceding-vehicle follow-up control apparatus is arranged to calculate a target vehicle speed for following-up a preceding vehicle at a target vehicle-to-vehicle distance. The target vehicle speed is calculated from an equation having a form of a linear combination of a form which includes a linear connection between a product of a first gain and a difference between the vehicle-to-vehicle distance and the target vehicle-to-vehicle distance and a product of a second gain and the relative speed. The control apparatus controls a driving apparatus and a transmission apparatus of a vehicle so as to adjust a vehicle speed at the target vehicle speed. This enables the vehicle-to-vehicle distance to be converged into a target value without excessively increasing or decreasing the relative speed during this follow-up control.
    • 前方车辆后续控制装置被配置为计算在目标车辆至车辆距离处跟踪前方车辆的目标车速。 目标车速由具有形式的线性组合的形式的等式计算,该形式包括第一增益乘积与车对距离与目标车对车之间的差值之间的线性连接 距离和第二增益的乘积和相对速度。 控制装置控制车辆的驱动装置和发送装置,以便以目标车速调整车速。 这使得车辆到车辆的距离能够在该后续控制期间不会过度地增加或减小相对速度而收敛到目标值。
    • 9. 发明申请
    • CONTROL APPARATUS OF ELECTRIC MOTOR
    • 电动机控制装置
    • US20090042688A1
    • 2009-02-12
    • US12185557
    • 2008-08-04
    • Ken ItouHideaki Nakayama
    • Ken ItouHideaki Nakayama
    • B60K6/20G06F19/00
    • B60L11/18H02P6/08Y02T10/642Y02T10/7005Y02T10/7258Y10T477/23
    • An apparatus to control an electric motor to drive an electric-powered vehicle includes an accelerator position detector, a current controller to provide current to the electric motor through an inverter, a semiconductor device of the current controller configured to operate the inverter in response to a detected accelerator position, and a torque compensator to supply the electric motor with a modified current of the semiconductor device, wherein the torque compensator is configured to provide the modified current to the electric motor at a predetermined interval of time in response to a temperature increase in the semiconductor device when the detected accelerator position exceeds a predetermined threshold.
    • 一种用于控制电动机驱动电动车辆的装置包括加速器位置检测器,通过逆变器向电动机提供电流的电流控制器,该电流控制器的半导体器件被配置成响应于 检测加速器位置,以及转矩补偿器,用于向电动机提供半导体器件的改变电流,其中扭矩补偿器被配置为响应于温度升高以预定的时间间隔向电动机提供修改的电流 当检测到的加速器位置超过预定阈值时,半导体器件。
    • 10. 发明授权
    • Controller for electric vehicles
    • 电动车控制器
    • US06274998B1
    • 2001-08-14
    • US09508856
    • 2000-03-17
    • Takashi KanekoTakeshi AndoAkira HorieKen Itou
    • Takashi KanekoTakeshi AndoAkira HorieKen Itou
    • H02P534
    • B60L3/102B60L15/025B60L2200/26Y02T10/643Y02T10/646
    • A controller for electric vehicles comprising a vector control inverter for controlling motors, which drive wheels of the electric vehicles, by dividing the primary current of the motors into an exciting current component and a torque current component, and controlling respective of the current components based on a respectively designated command, characterized in further comprising a dectector for detecting a wheel velocity (including a rotor frequency of the motor proportional to the wheel velocity), a detector for detecting slipping and skidding of the wheel based on a differential value (a changing rate with time) of the detected wheel velocity, a dectector for detecting re-adhesion of the wheel based on the differential value and a twice differential value of the detected wheel velocity, and an adjuster for adjusting the designated command for the torque current component in response to the detectors.
    • 一种用于电动车辆的控制器,包括用于通过将电动机的初级电流分成励磁电流分量和转矩电流分量来控制电动车辆的驱动轮的电动机的矢量控制变换器,并且基于 分别指定的命令,其特征在于还包括用于检测车轮速度(包括与车轮速度成比例的电动机的转子频率)的检测器,用于根据差分值(变化率)检测车轮的滑动和打滑的检测器 检测到的车轮速度的时间),用于根据微分值检测车轮重新附着的检测器和检测到的车轮速度的两倍差值;以及调节器,用于响应于调整转矩电流分量的指定命令 到检测器。