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    • 3. 发明授权
    • Autonomous running control system for vehicle and the method there
    • 车辆自动运行控制系统及方法
    • US5938704A
    • 1999-08-17
    • US740075
    • 1996-10-24
    • Tsuyoshi Torii
    • Tsuyoshi Torii
    • A01B69/00G01C21/00G01S5/02G01S19/14G01S19/41G01S19/49G05D1/02G06F165/00
    • G05D1/0278G05D1/0227G05D1/0265G01S19/41G01S19/47G05D2201/0208
    • An autonomous running control system capable of guiding a lawn-mowing work vehicle to a target point unmanned with high accuracy. Normally, the vehicle runs autonomously according to the D-GPS/dead reckoning navigation method. When the vehicle runs in an area where obstacles and ups-and-downs exists, the running control is switched to a magnetic guidance and the vehicle moves along the magnetic rail underground. When the vehicle comes into a normal operation again, the running control is shifted to the G-GPS/dead reckoning navigation method again. Further, when the vehicle comes near a target points, the running control is switched to the dead reckoning navigation method capable of guiding the vehicle accurately to the target point. When the vehicle arrives at the work area, it conducts a lawn mowing work according to the trace running control, finding the boundary between mowed and unmowed areas. Thus, the autonomous running control system can make an accurate guidance under any geographical conditions by means of selectively changing the running control method according to terrains and works.
    • 一种自动运行控制系统,能够以高精度将割草作业车辆引导到目标点。 通常,车辆根据D-GPS /航位推算导航方式自主运行。 当车辆在存在障碍物和上下颠倒的区域中行驶时,运行控制被切换到磁性引导,并且车辆沿着磁力轨道地下运动。 当车辆再次进入正常操作时,运行控制再次移动到G-GPS /航位推算导航方法。 此外,当车辆靠近目标点时,将行驶控制切换到能够将车辆准确地引导到目标点的航位推算导航方法。 当车辆到达工作区时,根据追踪运行控制进行草坪割草工作,找到割草区和未割草区之间的边界。 因此,自主运行控制系统可以通过根据地形和作业选择性地改变运行控制方法,在任何地理条件下进行准确的指导。
    • 5. 发明授权
    • Control apparatus for autonomous traveling vehicle and method thereof
    • 自动行车的控制装置及其方法
    • US06480768B1
    • 2002-11-12
    • US09349720
    • 1999-07-08
    • Tsuyoshi Torii
    • Tsuyoshi Torii
    • G01L2200
    • G05D1/0272B62D1/28G05D1/0221G05D1/0227G05D1/0238G05D1/0255G05D1/027G05D1/0278G05D2201/0208
    • A control apparatus and method for an autonomous traveling vehicle having a teaching mode in which a vehicle position and a vehicle azimuth in respective points on a running path are memorized and a play-back mode in which the vehicle is operated autonomously based on the vehicle position and vehicle azimuth memorized in the teaching mode comprises a virtual traction point establishing means for establishing a virtual traction point located away from a vehicle position by a specified distance in a direction of a vehicle azimuth, a current vehicle position determining means for determining a current vehicle position corresponding to the vehicle position in a play-back mode, a target azimuth calculating means for calculating a target azimuth based on a positional relationship between the current vehicle position and the virtual traction point, a vehicle steering means for steering the vehicle in a direction of the target azimuth in the play-back mode and a vehicle speed control means for controlling a vehicle speed such that a distance between the virtual traction point and the vehicle comes within a specified range in the play-back mode.
    • 一种用于自动行驶车辆的控制装置和方法,其具有其中存储有行驶路径上的各个点中的车辆位置和车辆方位角的教学模式以及基于车辆位置自动地操作车辆的重放模式 并且在教学模式中存储的车辆方位角包括:虚拟牵引点建立装置,用于在车辆方位的方向上建立远离车辆位置指定距离的虚拟牵引点;当前车辆位置确定装置,用于确定当前车辆 基于当前车辆位置与虚拟牵引点之间的位置关系来计算目标方位角的目标方位计算装置,用于在车辆方向上转向的车辆转向装置, 的播放模式中的目标方位角以及用于的车速控制装置 控制车速使得虚拟牵引点与车辆之间的距离在回放模式中达到规定的范围。
    • 6. 发明授权
    • Autonomous running control system for vehicle and the method thereof
    • 车辆自动运行控制系统及其方法
    • US5563786A
    • 1996-10-08
    • US383082
    • 1995-02-02
    • Tsuyoshi Torii
    • Tsuyoshi Torii
    • A01B69/00G01C21/00G01S5/00G01S5/02G01S19/14G01S19/41G01S19/49G05D1/02G06F165/00
    • G01S5/0009G01C21/00G01S19/47G05D1/0219G05D1/0227G05D1/0278G01S19/41G05D2201/0208
    • The position of the vehicle is detected by the position information from satellites and by the correction information based on the position data of a known point. On the other hand, the position of the vehicle is found based on the running histories since the reference point. Next, the difference between the position data from satellites and the position data based on the running histories at each moment when the position data is received from satellites is calculated and those differences are averaged to obtain a correction value. Finally the current position of the vehicle is calculated by correcting the position data based on the running histories by the newest correction value. Consequently, in the autonomous running control system an accurate position of the vehicle can be found without stopping the vehicle, even when the position data from satellites does not have a sufficient accuracy. Thus, according to the present invention an efficient and accurate autonomous running can be achieved.
    • 通过来自卫星的位置信息和基于已知点的位置数据的校正信息检测车辆的位置。 另一方面,基于从参考点开始的运行历史来找到车辆的位置。 接下来,计算来自卫星的位置数据和基于从卫星接收到位置数据的每一时刻的运行历史的位置数据之间的差异,并且对这些差进行平均以获得校正值。 最后,通过根据运行历史校正最新校正值来计算位置数据来计算车辆的当前位置。 因此,在自主运行控制系统中,即使当来自卫星的位置数据的准确性不足时,也可以在不停止车辆的情况下,发现车辆的准确位置。 因此,根据本发明,可以实现有效且准确的自主运行。