3D gesture stabilization for robust input control in mobile environments
    2.
    发明授权
    3D gesture stabilization for robust input control in mobile environments 有权
    3D手势稳定,用于在移动环境中进行强大的输入控制

    公开(公告)号:US09330306B2

    公开(公告)日:2016-05-03

    申请号:US14301410

    申请日:2014-06-11

    Abstract: A non-contact gesture sensor is mounted within a vehicle for vehicle occupants to enter control commands by using hand gestures. The effects of vehicle motion and vibration are stabilized by an electronic circuit that includes an inertial motion sensor (IMU) in rigidly fixed relation to the gesture sensor. An adaptive filter processes the gesture sensor signal and the IMU sensor signal by modeling the arm and hand as a semi-rigid articulated body using a transfer function that relates accelerations measured by the IMU with vehicle motion-induced accelerations of the hand. The filter calculates a noise-reduced gesture signal by subtracting out the motion-induced accelerations and measurement noise. The filter also outputs a confidence measure that controls a threshold circuit that inhibits use of the filtered gesture signal when confidence in the filter's system estimation is low.

    Abstract translation: 非接触姿势传感器安装在车辆内,用于车辆乘客通过使用手势输入控制命令。 车辆运动和振动的影响由包括与手势传感器刚性固定关系的惯性运动传感器(IMU)的电子电路稳定。 自适应滤波器通过使用将由IMU测量的加速度与车辆运动引起的手的加速度相关联的传递函数对手臂和手进行建模作为半刚性铰接体来处理手势传感器信号和IMU传感器信号。 滤波器通过减去运动引起的加速度和测量噪声来计算噪声减小的手势信号。 当滤波器的系统估计的置信度低时,滤波器还输出控制阈值电路的置信度测量,该阈值电路阻止使用滤波后的手势信号。

    3D Gesture Stabilization for Robust Input Control in Mobile Environments
    4.
    发明申请
    3D Gesture Stabilization for Robust Input Control in Mobile Environments 有权
    3D手势稳定在移动环境中的稳健输入控制

    公开(公告)号:US20150363639A1

    公开(公告)日:2015-12-17

    申请号:US14301410

    申请日:2014-06-11

    Abstract: A non-contact gesture sensor is mounted within a vehicle for vehicle occupants to enter control commands by using hand gestures. The effects of vehicle motion and vibration are stabilized by an electronic circuit that includes an inertial motion sensor (IMU) in rigidly fixed relation to the gesture sensor. An adaptive filter processes the gesture sensor signal and the IMU sensor signal by modeling the arm and hand as a semi-rigid articulated body using a transfer function that relates accelerations measured by the IMU with vehicle motion-induced accelerations of the hand. The filter calculates a noise-reduced gesture signal by subtracting out the motion-induced accelerations and measurement noise. The filter also outputs a confidence measure that controls a threshold circuit that inhibits use of the filtered gesture signal when confidence in the filter's system estimation is low.

    Abstract translation: 非接触姿势传感器安装在车辆内,用于车辆乘客通过使用手势输入控制命令。 车辆运动和振动的影响由包括与手势传感器刚性固定关系的惯性运动传感器(IMU)的电子电路稳定。 自适应滤波器通过使用将由IMU测量的加速度与车辆运动引起的手的加速度相关联的传递函数对手臂和手进行建模作为半刚性铰接体来处理手势传感器信号和IMU传感器信号。 滤波器通过减去运动引起的加速度和测量噪声来计算噪声减小的手势信号。 当滤波器的系统估计的置信度低时,滤波器还输出控制阈值电路的置信度测量,该阈值电路阻止使用滤波后的手势信号。

    Aircraft system and method for vertical takeoff and landing

    公开(公告)号:US10246185B2

    公开(公告)日:2019-04-02

    申请号:US15633174

    申请日:2017-06-26

    Abstract: An aircraft having a fixed wing is operative to perform vertical takeoff and landing while positioned in a nose-down orientation. The aircraft has a fixed wing having a leading edge and a trailing edge; a propulsion system operative to selectively provide forward propulsion and rearward propulsion; and a controller operative to control operation of the propulsion system. The propulsion system provides rearward propulsion during takeoff of the aircraft to move the aircraft in a direction of the trailing edge of the fixed wing, and provides forward propulsion during flight of the aircraft to move the aircraft in a direction of the leading edge of the fixed wing. The aircraft maintains the wing substantially vertical with the trailing edge facing upwards during takeoff, and transitions to having the wing substantially horizontal during flight. A vertical landing procedure is also provided.

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