Abstract:
According to an embodiment of the present invention, a steering control method for a vehicle having independent steering devices for each wheel enables the effective and stable driving of a military vehicle and the effective and stable movement of a wheeled robot. To achieve this, the present invention includes a step of selecting one of steering modes; a step of operating a first wheel group based on the selected steering mode; and a step of operating a second wheel group after a certain period of time since the operation of the first wheel group. [Reference numerals] (AA) Driving command T1; (BB) Driving command T2
Abstract:
According to an embodiment of the present invention, a control method for each wheel of a vehicle having an in-wheel motor significantly contributes to the efficient and stable driving of a military vehicle and to the efficient and stable movement of a wheeled robot using a step of binding individually operated wheels into two or more groups; and a step of sequentially operating each group at predetermined time intervals. [Reference numerals] (AA) Driving command T1; (BB) Driving command T2
Abstract:
본 발명은 회전형 유공압 구동장치와 이를 응용한 포 구동장치, 로봇 관절 구동장치 및 로봇 핸드 구동장치에 관한 것으로서, 외부로부터 밀폐된 아크(弧) 형상의 통로가 형성된 하우징과, 그 통로를 따라 이동 가능하고 통로를 서로 다른 압력을 갖는 제 1 밀폐 챔버와 제 2 밀폐 챔버로 구획하는 격벽과, 제 1 밀폐 챔버와 제 2 밀폐 챔버의 각각에 유공압을 공급하거나 배출시키도록 관통 형성된 유출입공과, 격벽으로부터 하우징의 외부에 까지 연장 형성된 작동 로드를 포함하여 구성됨으로써, 직선운동을 회전운동으로 변환하는 별도의 장치 등을 구비할 필요가 없이 구동대상을 직접 회전시키는 것이 가능하며 백래쉬(backlash)현상을 방지하여 고효율의 정밀 제어가 가능하고, 중량 및 체적을 감소시켜 공간적, 비용적인 낭비를 방지하는 회전형 유공압 구동장치와 이를 응용한 포 구동장치, 로봇 관절 구동장치 및 로봇 핸드 구동장치를 제공한다. 유공압 구동장치, 압력 챔버, 작동 로드
Abstract:
본 발명의 독립휠 제어형 다축 조향장치의 일 실시예는, 차량에 장착된 각각의 차륜에 구비되는 복합조향장치; 상기 각각의 차륜에 구비된 상기 각각의 복합조향장치를 독립적으로 제어하는 주행제어장치; 운전자에 의해 조향명령이 입력되는 운전자운용장치; 및 차량 및 각각의 차륜의 상태를 감지하는 감지장치;를 포함하고, 상기 주행제어장치는 상기 운전자운용장치에 의해 입력된 조향명령을 상기 감지장치를 통해 감지한 차량 및 각각의 차륜의 상태에 따라 상기 각각의 차륜에 구비되는 복합조향장치에 독립적으로 분배하여 제어하는 것을 특징으로 한다.
Abstract:
PURPOSE: A backlash eliminated gear transmission precisely decelerates and improves the engagement of gears by using a planetary gear train, and makes the largeness thereof by compactly designing the contour thereof. CONSTITUTION: A gear transmission comprises a first sun gear(2), a second sun gear(3), a first planetary gear(4), a second planetary gear(5) and a ring gear(6). The first planetary gear(4) is engaged with the first sun gear(2) and disposed with regular intervals on the circumference of the first sun gear(2). The second planetary gear(5) is engaged with the second sun gear(3) and is disposed with regular intervals on the circumference of the second sun gear(3). The ring gear(6) is engaged with the first planetary gear(4) and the second planetary gear(5). The first sun gear(2) and the second sun gear(3) is crossed each other along mutual phase difference. The first planetary gear(4) and the second sun gear(3) is crossed each other along phase difference corresponding to this phase difference.
Abstract:
PURPOSE: A device for damping a noise and a vibration of a hydraulic-pneumatic circuit is provided to reduce to the minimum the amplitude of each frequency for damping a noise and a vibration of a hydraulic-pneumatic circuit by controlling a moving characteristic of a fluid and regulating an entrance area of each accumulator. CONSTITUTION: A device for damping a noise and a vibration of a hydraulic-pneumatic circuit comprises : a means of sensing(30) to form a sensor of temperature(31) and a sensor of pressure(32) for sensing a state of flux of a fluid ; a means of controlling(40) to form a computer for controlling(41) analyzing the sensing signal and a controller of valve(42) ; a means of regulating(50) to regulating an entrance area of an accumulator by driving a device of servo valve(51) as controlling signal of a means of controlling(40).
Abstract:
PURPOSE: A multi-shaft propulsion driving device is provided to improve mobility and survivability of a combat vehicle by independently controlling and directly mounting an electric motor of a high performance on a vehicle wheel. CONSTITUTION: A multi-shaft propulsion driving device comprises driving devices(200a-200f), a driving control device(300), a driver operating device(400), and a detecting device(500). A driving device is mounted on each vehicle wheel. The driving control device independently controls the driving devices of each wheel according to conditions of the wheels and a vehicle detected through the detecting device. The driver operating device receives a driving signal and a steering signal of a driver and transmits the signals to the driving control device. The detecting device comprises various sensors(510) and a state estimator(520) and detects the stated of the vehicle and the wheels. [Reference numerals] (200) Driving device; (210) In-wheel motor; (220) Composite braking device; (230) Operating control device; (300) Driving control device; (310) Stability controller; (320) Upper controller; (330) Lower controller; (340) Slip controller; (400) Driver operating device; (410) Accelerating pedal; (420) Braking pedal; (430) Steering handle; (440) Sensor signal processor; (500) Sensor/state estimator; (510) Sensor; (520) State estimator; (600) Power supply device; (610) Low-power supply; (620) High-power supply
Abstract:
본 발명은 조준경 안정화 장치의 구동축의 중심을 기준으로 좌우측에 호모 폴라 방식의 반경방향 베어링이 대칭적으로 배치되고, 상기 구동축의 중심에 호모 폴라 방식의 축방향 베어링이 배치되고, 상기 반경방향 베어링과 상기 축방향 베어링이 연계되어 형성된 자속경로 내부에 바이어스용 영구자석이 배치된 호모 폴라 방식의 복합형 전자기 베어링을 구비한 조준경 안정화 장치를 제공하고, 그 조준경 안정화 장치를 가속도 피드포워드 제어와 각도 피드포워드 제어를 혼합한 방식으로 제어하여 조준경 안정화 장치에 부과되는 진동영향과 중력영향을 동시에 억제할 수 있는 조준경 안정화 장치의 보상 제어방법을 제공한다.