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    • 3. 发明申请
    • CONSTRUCTION EQUIPMENT HAVING ELECTRIC CONTROL LEVER
    • 具有电控杆的建筑设备
    • US20100313556A1
    • 2010-12-16
    • US12795038
    • 2010-06-07
    • Dong Soo KIM
    • Dong Soo KIM
    • F15B13/043
    • G05B19/409
    • Construction equipment having an electric control lever is provided, which can intercept a control signal applied to a flow control valve when trouble occurs in the electric control lever or a control unit. The construction equipment includes an electric control lever outputting a manipulation signal in proportion to a manipulation amount, a manipulation locking lever outputting a manipulation signal for control in preference to the manipulation signal when an error occurs in the manipulation signal, an electronic flow control valve installed in a flow path between the hydraulic pump and the hydraulic actuator and shifted, by signal pressure input in proportion to the manipulation signal, to control a start, a stop, and a direction change of the hydraulic actuator, a control unit having an operation unit operating a control signal that corresponds to the manipulation signal, and a current driving unit controlling current so that a current value corresponding to the control signal can be applied to the electronic flow control valve, and a power control unit intercepting current applied from the current driving unit to the electronic flow control valve when the manipulation locking lever is manipulated in a state where trouble has occurred in the electric control lever or the control unit.
    • 提供具有电动控制杆的施工设备,当在电动控制杆或控制单元中出现故障时,可以拦截施加到流量控制阀的控制信号。 施工设备包括:电动控制杆,其与操纵量成比例地输出操作信号;操作锁定杆,当操纵信号发生错误时,输出用于控制的操作信号,优先于操纵信号;电子流量控制阀, 在液压泵和液压致动器之间的流动路径中,通过与操作信号成比例的信号压力输入来移动,以控制液压致动器的起动,停止和方向改变;控制单元,具有操作单元 操作对应于操作信号的控制信号,以及电流驱动单元,其控制电流,使得可以将与控制信号相对应的电流值施加到电子流量控制阀,以及电源控制单元截取从当前驱动 单元到操作锁定杆时的电子流量控制阀 在电动控制杆或控制单元发生故障的状态下操作。
    • 4. 发明申请
    • SHOCK ABSORPTION DEVICE AND CONTROL METHOD THEREOF FOR SMALL SWING RADIUS EXCAVATOR
    • 用于小型半开式挖掘机的减震装置及其控制方法
    • US20090151346A1
    • 2009-06-18
    • US12327155
    • 2008-12-03
    • Dong Soo KIM
    • Dong Soo KIM
    • F15B13/042
    • E02F9/2214E02F3/325E02F9/2242E02F9/2282E02F9/2292E02F9/2296
    • A shock absorption device and a control method thereof for a small swing radius (SSR) excavator are provided, which can relieve shock generated on a boom cylinder by controlling only the discharge flow rate of hydraulic pumps, being supplied to the boom cylinder, even without controlling a main control valve when a boom of the excavator ascends at its maximum height through manipulation of a control level. The shock absorption device for an SSR excavator includes first and second hydraulic pumps, a control lever, a boom cylinder coupled to the first hydraulic pump, a main control valve for controlling a start, a stop, and a direction change of the boom cylinder, a boom-up manipulation amount detection means, a hydraulic pump flow computation means, a boom confluence means for making hydraulic fluid discharged from the first and second hydraulic pumps confluent together, a boom deceleration region detection means for detecting a boom deceleration region, and a flow controller for controlling the discharge flow rate of the first and second hydraulic pumps.
    • 提供了一种用于小型回转半径(SSR)挖掘机的减震装置及其控制方法,其通过仅控制供应到动臂缸的液压泵的排出流量来缓解在动臂缸上产生的冲击,即使没有 当挖掘机的起重臂通过操纵控制水平在其最大高度上升时控制主控制阀。 用于SSR挖掘机的减震装置包括第一和第二液压泵,控制杆,联接到第一液压泵的动臂缸,用于控制动臂缸的起动,停止和方向改变的主控制阀, 动臂上升操作量检测装置,液压泵流量计算装置,用于使从第一和第二液压泵汇合的液压流体汇合的起重臂汇合装置,用于检测悬臂减速区域的起重臂减速区域检测装置, 流量控制器,用于控制第一和第二液压泵的排出流量。
    • 7. 发明申请
    • APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF
    • 用于处理音频信号的装置及其方法
    • US20100114585A1
    • 2010-05-06
    • US12612345
    • 2009-11-04
    • Sung Yong YOONHyun Kook LEEDong Soo KIMJae Hyun LIM
    • Sung Yong YOONHyun Kook LEEDong Soo KIMJae Hyun LIM
    • G10L19/00
    • G10L21/038G10L19/028G10L19/035G10L19/167
    • An apparatus for processing an audio signal and method thereof are disclosed, by which a method for processing an audio signal, comprising: extracting noise filling flag information indicating whether noise filling is used to a plurality of frames; extracting coding scheme information indicating whether a current frame included in the plurality of frames is coded in either a frequency domain or a time domain; when the noise filling flag information indicates that the noise filling is used to for the plurality of frames and the coding scheme information indicates that the current frame is coded in the frequency domain, extracting noise level information for the current frame; when a noise level value corresponding to the noise level information meets a predetermined level, extracting noise offset information for the current frame; and, when the noise offset information is extracted, performs the noise-filling for the current frame based on the noise level value and the noise offset information.
    • 公开了一种用于处理音频信号的装置及方法,用于处理音频信号的方法包括:提取指示是否对多个帧使用噪声填充的噪声填充标志信息; 提取指示在所述多个帧中包括的当前帧是否在频域或时域中被编码的编码方案信息; 当噪声填充标志信息指示对于多个帧使用噪声填充,并且编码方案信息指示当前帧在频域中被编码时,提取当前帧的噪声电平信息; 当对应于噪声电平信息的噪声电平值满足预定电平时,提取当前帧的噪声偏移信息; 并且当提取噪声偏移信息时,基于噪声电平值和噪声偏移信息,对当前帧执行噪声填充。
    • 8. 发明申请
    • METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL
    • 用于处理音频信号的方法和装置
    • US20100070285A1
    • 2010-03-18
    • US12498676
    • 2009-07-07
    • Dong Soo KIMSung Yong YOONHyun Kook LEEJae Hyun LIM
    • Dong Soo KIMSung Yong YOONHyun Kook LEEJae Hyun LIM
    • G10L19/00
    • G10L19/20G10L19/0212G10L19/167
    • The present invention includes receiving a plurality of frame data including first frame data and second frame data encoded by at least one coding schemes, obtaining first flag information indicating whether the first frame data and the second frame data are encoded by frequency domain transform coding scheme, respectively, decoding the first frame data by frequency domain transform coding scheme based on the first flag information when the first frame data is encoded by frequency domain transform coding scheme, obtaining second flag information indicating whether subframe data is encoded by time domain transform coding scheme or time-frequency domain coding scheme when the second frame data is not encoded by frequency domain transform coding scheme, the at least two subframe data being included in the second frame data, decoding the subframe data by time domain transform coding scheme or time-frequency domain transform coding scheme based on the second flag information, and compensating for discontinuity existing between the first frame data decoded by frequency domain transform coding scheme and the subframe data decoded by time domain transform coding scheme, wherein the time-frequency domain coding scheme is time domain coding scheme including frequency domain transform.
    • 本发明包括接收包括第一帧数据和由至少一个编码方案编码的第二帧数据的多个帧数据,获得指示第一帧数据和第二帧数据是否由频域变换编码方案编码的第一标志信息, 分别在通过频域变换编码方式对第一帧数据进行编码时,基于第一标志信息通过频域变换编码方式对第一帧数据进行解码,获得表示子帧数据是否由时域变换编码方式编码的第二标志信息, 时频域编码方案,当第二帧数据未被频域变换编码方式编码时,所述至少两个子帧数据包含在第二帧数据中,通过时域变换编码方式或时频域对子帧数据进行解码 基于第二标志信息的变换编码方案,并进行补偿 存在于通过频域变换编码方式解码的第一帧数据与通过时域变换编码方式解码的子帧数据之间存在的不连续性,其中时间 - 频域编码方案是包括频域变换的时域编码方案。
    • 9. 发明申请
    • SYSTEM AND METHOD OF CONTROLLING TORQUE OF PLURAL VARIABLE DISPLACEMENT HYDRAULIC PUMPS
    • 控制变量液压泵的扭矩的系统和方法
    • US20090293468A1
    • 2009-12-03
    • US12471709
    • 2009-05-26
    • Dong Soo KIM
    • Dong Soo KIM
    • F15B11/17
    • E02F9/2235E02F9/2066E02F9/2285E02F9/2292E02F9/2296F02D29/04F04B17/05F04B49/002F04B2203/0603F04B2205/03F15B2211/20523F15B2211/20546F15B2211/20576F15B2211/31576F15B2211/6309F15B2211/6346
    • A system and method of controlling torque of plural variable displacement hydraulic pumps in construction equipment are provided, which can control torque of the variable displacement hydraulic pumps so that the total amount of torque of the hydraulic pumps does not exceed the preset amount of torque by presetting the torque so that the engine does not stop even at maximum load of the hydraulic pumps or by presetting the speed of the engine or the used torque of the hydraulic pumps in consideration of the fuel economy or working speed. The system includes an engine, at least two variable displacement hydraulic pumps, hydraulic actuators, control levers generating manipulation signals, control lever sensing means detecting the manipulation amounts of the control levers, hydraulic pump pressure sensing means detecting load pressures of the hydraulic pumps, maximum torque setting means setting the total torque inputted to the hydraulic pumps, desired flow rate computing means computing flow rates of the hydraulic pumps, expected torque computing means computing expected torque values of the hydraulic pumps, torque distributing means distributing torque values of the hydraulic pumps, limited flow rate computing means computing the flow rates of the hydraulic pumps, and output means outputting control signals to regulators.
    • 提供一种控制施工设备中多个可变排量液压泵的扭矩的系统和方法,其可以控制可变排量液压泵的扭矩,使得液压泵的总扭矩不超过设定的扭矩量 即使在液压泵的最大负载下,也可以考虑到燃料经济性或工作速度,通过预设发动机的转速或液压泵的使用转矩,发动机也不会停止转矩。 该系统包括发动机,至少两个可变排量液压泵,液压致动器,产生操纵信号的控制杆,检测控制杆的操作量的控制杆检测装置,检测液压泵的负载压力的液压泵压力检测装置,最大 扭矩设定装置,设定输入到液压泵的总转矩,计算液压泵的流量的期望流量计算装置,计算液压泵的预期扭矩值的预期转矩计算装置,分配液压泵的扭矩值的扭矩分配装置, 有限流量计算装置计算液压泵的流量,以及将控制信号输出到调节器的输出装置。