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    • 9. 发明申请
    • MOTOR CONTROL APPARATUS
    • 电动机控制装置
    • US20150077026A1
    • 2015-03-19
    • US14490325
    • 2014-09-18
    • Naoyuki ItoHirotaka InoueKei Sato
    • Naoyuki ItoHirotaka InoueKei Sato
    • H02P6/00
    • H02P6/002B62D5/0484B62D5/0493H02P6/00
    • A motor control apparatus includes: duty calculation units that calculate a duty of a PWM signal based on a deviation between a value of a physical quantity of a motor with a command value; and a duty setting unit that performs setting of the duty based on the duty calculated by the duty calculation units. The duty setting unit maintains a present duty until new duty is input from any one of the plurality of duty calculation units, and updates the duty from the present duty to the new duty when the new duty is input from any one of the plurality of duty calculation units. A PWM signal generation unit generates the PWM signal based on the duty set by the duty setting unit and a carrier signal generated by a carrier signal generation unit.
    • 电动机控制装置包括:占空比计算单元,其基于马达的物理量的值与指令值之间的偏差计算PWM信号的占空比; 以及占空比设定单元,其基于由占空比计算单元计算的占空比来执行占空比的设定。 任务设定单元保持现在的任务,直到从多个任务计算单元中的任何一个输入新的职责,并且当从多个职责中的任何一个输入新的职责时,将从当前职责的职责更新为新职责 计算单位。 PWM信号生成单元基于由占空比设定单元设定的占空比和由载波信号生成单元生成的载波信号来生成PWM信号。
    • 10. 发明申请
    • Electronic Device
    • 电子设备
    • US20130016473A1
    • 2013-01-17
    • US13544936
    • 2012-07-09
    • Naoyuki ItoKazuhiro ShiragaShinji Goto
    • Naoyuki ItoKazuhiro ShiragaShinji Goto
    • H05K7/20
    • G06F1/203B08B1/00
    • An electronic device includes: a casing in which electronic components including a heat-emitting component which emits heat during operation are accommodated; a heat-dissipating component including a plurality of fins to which heat emitted in the heat-emitting component transfers; a fan operable to supply cooling air to the heat-dissipating component; and a cleaning component movable on an end surface of the fins along the side nearer the fan with the cleaning component abutting against the end surface of the fins. In these features, dust on the end surface of the fins can be automatically removed by moving the cleaning component in the case of the spatial orientation of the electronic device being changed. Therefore, an effect of removing heat emitted in the heat-emitting components, by using cooling air supplied from the fan, can be continuously obtained.
    • 电子设备包括:壳体,其中容纳包括在运行期间发热的发热部件的电子部件; 散热部件,其包括多个散热片,散发在所述发热部件中的热量传递给所述散热片; 风扇,其可操作以将冷却空气供给到所述散热部件; 以及清洁部件,其沿着更靠近风扇的一侧在翅片的端面上移动,其中清洁部件抵靠散热片的端面。 在这些特征中,在改变电子设备的空间取向的情况下,可以通过移动清洁部件来自动去除翅片的端面上的灰尘。 因此,可以连续地获得通过使用从风扇供给的冷却空气来除去在发热部件中发出的热的效果。