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    • 4. 发明授权
    • 회전축 분석 장치
    • 用于分析旋转轴的装置
    • KR101372406B1
    • 2014-03-07
    • KR1020120134666
    • 2012-11-26
    • 부산대학교 산학협력단
    • 백광렬문우성
    • G01P15/00
    • G01P15/18G01P15/0922G01P15/10
    • Disclosed is a device for analyzing a rotation axis. According to one embodiment of the present invention, the device for analyzing a rotation axis includes: a dual axis acceleration sensor which is installed on a rotation axis; and a rotation axis analysis module which analyzes at least one among the rotation cycle, rotation speed, angular acceleration, current rotation angle, and vibration of the rotation axis using a dual axis acceleration sensing signal generated by the dual axis acceleration sensor. [Reference numerals] (102) Dual axis acceleration sensor; (111) Speed-related analysis unit; (114) Rotation angle analysis unit; (117) Vibration analysis unit
    • 公开了一种用于分析旋转轴的装置。 根据本发明的一个实施例,用于分析旋转轴的装置包括:安装在旋转轴上的双轴加速度传感器; 以及旋转轴分析模块,其使用由双轴加速度传感器生成的双轴加速度感测信号来分析旋转周期,旋转速度,角加速度,当前旋转角度和旋转轴的振动中的至少一个。 (参考号)(102)双轴加速度传感器; (111)速度相关分析单元; (114)旋转角分析单元; (117)振动分析装置
    • 5. 发明授权
    • 1축 가속도센서를 이용한 회전축의 회전속도 측정 시스템 및 방법
    • 使用一维加速度传感器测量轴的旋转速度的系统和方法
    • KR101248132B1
    • 2013-04-05
    • KR1020120012418
    • 2012-02-07
    • 부산대학교 산학협력단금오기전 주식회사
    • 백광렬문우성김태옥
    • G01P15/02
    • G01P15/0802G01P15/001G01P15/135G01P2015/0871
    • PURPOSE: Rotational speed measurement system and a method thereof are provided to measure the rotational speed of a rotational object by using an apparatus equipped with a rotary shaft without using an external apparatus and to offer a rotational speed measurement system and an effective method using a single axis acceleration sensor by attaching a single axis acceleration sensor to a rotary shaft rotating in the vertical direction to the ground, measuring variation of the direction of gravity and calculating the rotational speed. CONSTITUTION: A rotational speed measurement system of a rotary shaft using a single axis acceleration sensor includes a signal waveform measurement unit(42) measuring a signal waveform according to the direction of gravity when receiving a measurement signal from a single axis acceleration sensor(41) attached to a rotary shaft, a rise signal boundary value calculation unit(43) comparing a measured input value in the signal waveform measurement unit with the minimum value and calculating a rise signal boundary value, a fall signal boundary value calculation unit(44) comparing a measured input value in the signal waveform measurement unit with the maximum value and calculating a fall signal boundary value, a rotational period calculation unit(45) calculating a rotational period(T) of a rotary shaft based on a generation period of the rise signal boundary value and the fall signal boundary value and a rotational speed calculation unit($6) calculating a rotational speed from a rotational period using a formula rotational speed(ω)=2π/T after completing the rotational period(T) calculation. [Reference numerals] (41) Acceleration sensor; (42) Signal waveform measurement unit; (43) Rise signal boundary value calculation unit; (44) Fall signal boundary value calculation unit; (45) Rotational period calculation unit; (46) Rotational speed calculation unit;
    • 目的:提供旋转速度测量系统及其方法以通过使用配备有旋转轴的设备来测量旋转物体的旋转速度而不使用外部设备,并提供转速测量系统和使用单个的有效方法 通过将单轴加速度传感器附接到沿着与地面垂直的方向旋转的旋转轴,测量重力的变化并计算旋转速度。 构成:使用单轴加速度传感器的旋转轴的转速测量系统包括信号波形测量单元(42),当从单轴加速度传感器(41)接收测量信号时,测量根据重力方向的信号波形, 上升信号边界值计算单元,将信号波形测量单元中的测量输入值与最小值进行比较,并计算上升信号边界值;下降信号边界值计算单元,比较 在具有最大值的信号波形测量单元中测量的输入值并计算下降信号边界值;旋转周期计算单元,基于上升信号的产生周期来计算旋转轴的旋转周期(T) 边界值和下降信号边界值以及从旋转计算旋转速度的转速计算单元($ 6) 在完成旋转周期(T)计算后,使用公式转速(ω)=2π/ T。 (附图标记)(41)加速度传感器; (42)信号波形测量单元; (43)上升信号边界值计算单位; (44)下降信号边界值计算单位; (45)旋转周期计算单位; (46)转速计算单位;
    • 6. 发明公开
    • 저속 영역에서의 전동기 속도 제어 시스템 및 속도 제어방법
    • 低速区域电机速度控制系统与方法
    • KR1020090105065A
    • 2009-10-07
    • KR1020080030313
    • 2008-04-01
    • 부산대학교 산학협력단
    • 백광렬김장목지영은황선환
    • H02P21/14
    • H02P21/14H02P21/0003H02P2205/00Y10S388/912
    • PURPOSE: A system and a method for controlling a motor speed in a low speed region are provided to obtain a fast dynamic property according to a change of a speed command by applying a PID(Proportional Integral Derivative) gain of a speed controller according to a speed in a low speed region. CONSTITUTION: A system(100) for controlling a motor speed includes a measuring part(110), a phase selection part(120), and a control part(130). The measuring part measures a time delay within a speed control loop and a bandwidth of a speed controller(12) in a low speed region of a motor. The phase selection part sets a closed loop pole according to a speed of the motor. The phase selection part selects a phase in the closed loop pole. The control part determines selection of a PID gain of the speed controller for compensation of the closed loop pole according to a phase condition and a position change of the closed loop pole. In case the PID gain of the speed controller is selected, the control part performs a gain control of the speed controller through the PID gain of the speed controller according to a speed change of the motor.
    • 目的:提供一种用于控制低速区域中的电动机速度的系统和方法,以通过应用速度控制器的PID(比例积分微分)增益根据速度指令的变化来获得快速动态特性 速度在低速区域。 构成:用于控制电动机速度的系统(100)包括测量部分(110),相位选择部分(120)和控制部分(130)。 测量部件测量速度控制回路中的时间延迟和电动机低速区域中速度控制器(12)的带宽。 相位选择部件根据电动机的速度设定闭环极点。 相位选择部分选择闭环极点中的相位。 控制部分根据相位条件和闭环极点的位置变化来确定用于补偿闭环极点的速度控制器的PID增益的选择。 如果选择了速度控制器的PID增益,则控制部分根据电机的速度变化通过速度控制器的PID增益来执行速度控制器的增益控制。
    • 8. 发明公开
    • 무인 자율 이동체 및 무인 자율 이동체의 적외선 통신 방법
    • 自动移动对象和无线红外通信方法
    • KR1020130099639A
    • 2013-09-06
    • KR1020120021303
    • 2012-02-29
    • 부산대학교 산학협력단
    • 백광렬문우성김한솔조주영
    • G05D1/02
    • G05D1/0242G05D2201/0216
    • PURPOSE: An unmanned autonomous moving object and an infrared communication method of the unmanned autonomous moving object prevent collision accidents in advance by performing infrared communication between the unmanned autonomous moving objects. CONSTITUTION: A position measurement unit (230) measures the current position of an unmanned autonomous moving object. A driving control unit (240) controls a driving unit based on the current position measured in the position measurement unit and controls the driving of the unmanned autonomous moving object. An infrared transmission unit (270) is connected to brakes and transmits an infrared signal to the back side of the unmanned autonomous moving object when a brake signal is received. A central processing unit (210) controls the driving of the unmanned autonomous moving object by controlling the driving unit, the position measurement unit, the driving control unit, and the infrared transmission unit. [Reference numerals] (210) CPU; (220) Sensor unit; (230) Position measurement unit; (240) Driving control unit; (250) Driving unit; (260) Infrared reception unit; (270) Infrared transmission unit
    • 目的:无人自主运动物体的无人自主运动物体和红外线通信方法通过执行无人自主运动物体之间的红外通信,提前预防碰撞事故。 构成:位置测量单元(230)测量无人自主移动物体的当前位置。 驱动控制单元(240)基于在位置测量单元中测量的当前位置来控制驱动单元,并且控制无人自主移动物体的驾驶。 当接收到制动信号时,红外线传输单元(270)连接到制动器并将红外信号发送到无人自主移动物体的背面。 中央处理单元(210)通过控制驱动单元,位置测量单元,驱动控制单元和红外线传输单元来控制无人驾驶的自动移动物体的驱动。 (附图标记)(210)CPU; (220)传感器单元; (230)位置测量单元; (240)驱动控制单元; (250)驾驶单位; (260)红外接收单元; (270)红外线传输单元
    • 10. 发明授权
    • 무인반송 시스템에서 경로 제어 장치 및 방법
    • 自动引导车辆系统控制路径的方法与装置
    • KR101308777B1
    • 2013-09-17
    • KR1020120021250
    • 2012-02-29
    • 부산대학교 산학협력단
    • 백광렬문우성김한솔조주영
    • G05D1/03
    • 본 발명은 무인반송 시스템에서 경로 제어 장치에 있어서, 소정 경로 상에 미리 설정된 간격을 유지하며 설치된 자석마커의 자기 세기 신호를 센싱하는 다수의 2축 자기 센서가 미리 설정된 간격으로 배치된 2축 자기 센서 어레이부와, 상기 2축 자기 센서 어레이부로부터 출력된 2축 자기 센서별 자기 세기 신호를 채널별로 수신하여 각 채널별 해당 신호를 일정 배로 증폭하여 출력하는 증폭부가 소정 거리를 두어 일체로 구성되는 자기 센서 어레이 기판부와, 상기 자기 센서 어레이 기판부와 전기적으로 연결되어, 상기 증폭부로부터 출력된 아날로그 신호를 디지털 신호로 변환하여 2축 자기 센서별 검출신호로 생성하는 AD 컨버터와, 상기 자기 센서 어레이 기판부에서 다수의 2축 자기 센서가 배치된 라인을 상기 자석마커와 상호 대향하게 이격된 상태에서 상기 2축 자기 센서 어레이부의 각 2축 자기 센서를 동작시키고, 상기 2축 자기 센서 어레이부를 통해 상기 자석마커와 평행한 평면에 규정되는 자기 벡터의 2축 성분을 검출하도록 제어하는 제어부를 포함함을 특징으로 한다.