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    • 9. 发明授权
    • Navigation method and system for autonomous machines with markers defining the working area
    • 具有定义工作区域的标记的自动机器的导航方法和系统
    • US06255793B1
    • 2001-07-03
    • US08554691
    • 1995-11-07
    • Ehud PelessShai AbramsonGideon Dror
    • Ehud PelessShai AbramsonGideon Dror
    • G05D100
    • A01D34/008A01D2101/00G01C22/00G05D1/0219G05D1/0227G05D1/0234G05D1/0261G05D1/0263G05D1/0265G05D1/0274G05D2201/0208G05D2201/0216
    • A method for automatically operating a robot, attached to a lawnmower or other unmanned machine, within an enclosed area is disclosed. The method includes the steps of: 1) providing the following elements: a proximity sensor positioned on the robot, a boundary along the perimeter of the working area and along the perimeter of each area enclosed in the working area in which the robot should not operate, the boundaries being detectable by the proximity sensor, a processing unit connected to the proximity sensor and receiving an input therefrom, a navigation unit on the robot to determine the coordinates of the robot relative to an arbitrary origin, a direction finder, and a memory to store values generated by the processing unit; and 2) causing the robot to move along each of the boundaries provided around or within the working area, to detect the boundaries and to memorize their shape, and to store in the memory values representative of the coordinates of the boundaries, thereby to generate a basic map of the working area. When the robot is to operate within the area, the method includes the steps of: (a) causing the robot to start from a starting point having known coordinates within the basic map of the working area; (b) continuously determining the coordinates of the robot by analyzing data obtained from the navigation unit and by detecting the vicinity of a boundary; and (c) correcting the actual position of the robot on the basic map by comparing the calculated and the actual coordinates of each detected boundary.
    • 公开了一种在封闭区域内自动操作连接到割草机或其他无人机器的机器人的方法。 该方法包括以下步骤:1)提供以下元件:定位在机器人上的接近传感器,沿着工作区域的周边的边界,以及围绕在机器人不应该操作的工作区域中的每个区域的周边 边界可由接近传感器检测,处理单元连接到接近传感器并从其接收输入;机器人上的导航单元,用于确定机器人相对于任意原点的坐标,方向取景器和存储器 存储由处理单元生成的值; 和2)使机器人沿着设置在工作区域周围或内部的每个边界移动,以检测边界并记住它们的形状,并将存储在存储器中的值代表边界的坐标,从而产生 工作区基本图。 当机器人在该区域内操作时,该方法包括以下步骤:(a)使机器人从工作区域的基本图中具有已知坐标的起点开始; (b)通过分析从导航单元得到的数据和检测边界附近,连续地确定机器人的坐标; 和(c)通过比较计算出的每个检测到的边界的实际坐标来校正机器人在基本地图上的实际位置。