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    • 51. 发明专利
    • 複数の移動体との衝突回避システム
    • 用于消除与多个移动机构碰撞/碰撞的系统
    • JP2015170233A
    • 2015-09-28
    • JP2014045835
    • 2014-03-10
    • 日立オートモティブシステムズ株式会社
    • 岡田 隆植山 幹夫
    • B60R21/00B60T7/12G08G1/16
    • G08G1/096725B60T7/042B60T7/12B60T7/22G05D1/021G08G1/01G08G1/048G08G1/123G08G1/164G08G1/166B60T2201/022G08G1/096716G08G1/096758G08G1/096775
    • 【課題】 交差点を右(左)折して対向車線横断を行う際、対向車線内に停止することで発生する対向車線を移動する移動体への走行妨害あるいは衝突を回避しつつ、対向車線横断後に存在する移動体との衝突も回避する。 【解決手段】 自車の軌道の進行方向に存在する少なくとも2つ以上の移動体に対し、自車軌道と最初に交差する第一の移動体の軌道と自車が交差する前に外部環境を検知し、少なくとも、第一の移動体と、第一の移動体の軌道と自車の軌道が交差する位置よりも自車の軌道と交差する位置が遠い軌道を有する第二の移動体との二つの移動体を検出した場合には、自車の予定軌道と第一の移動体の予測軌道とが交差する第一の交差位置に到達する第一交差時間と、自車の予定軌道と第二の移動体の予測軌道とが交差する第二の交差位置に到達する第二交差時間と、を計算し、第二交差時間と第一交差時間の差に応じて、第一の移動体及び第二の移動体に対する減速度を変更する。 【選択図】 図1
    • 要解决的问题:为了避免在可能通过在右车道(左)处转向右侧(左)时在自行车道上停止自己的车辆而在可能发生的行进车道上移动的移动体移动障碍或碰撞/碰撞 交叉路口穿过迎面而来的车道,同时也避免与穿过迎面而来的车道之间存在的移动体碰撞/碰撞。解决方案:用于避免与多个移动体碰撞/碰撞的系统在本车辆穿过第一个车道的轨道之前检测外部环境 移动体首先穿过本车辆的行进方向上存在的至少两个移动体的自身车辆的轨道,如果检测到至少两个移动体,即第一个交叉时间和第二交叉时间 移动体和第二移动体,其具有在比第一移动体的轨道穿过自身车辆的轨道的位置更远的位置处穿过本车辆的轨道的轨道 第一交叉时间是本车辆到达本车辆的规划轨道穿过第一移动体的规划轨道的第一交叉位置的时间,第二交叉时间是本车辆到达的时间 本车辆的规划轨道与第二移动体的规划轨迹交叉的第二交叉位置,并且响应于第二交叉时间与第一交叉口之间的差异改变第一移动体和第二移动体的减速度 时间。
    • 52. 发明专利
    • On-board communication apparatus for spot transmission
    • 用于点传送的板上通信装置
    • JP2014191357A
    • 2014-10-06
    • JP2013063196
    • 2013-03-26
    • Hitachi Ltd株式会社日立製作所
    • MORITA KAZUKI
    • G08G1/09G08G1/127H04B1/59
    • B61L3/121B61L25/021G08G1/042G08G1/048G08G1/052G08G1/133
    • PROBLEM TO BE SOLVED: To solve a problem that: the positional relation between an on-board communication apparatus and a ground communication apparatus fluctuates due to shaking of a vehicle or the like; in such a case, the signal magnetic field intensity coming from the ground communication apparatus and received by the on-board communication apparatus fluctuates, and the on-board communication apparatus may traverse a threshold value which is determined to have entered or advanced into a communication range of the ground communication apparatus by the on-board communication apparatus; when such a phenomenon occurs, the on-board communication apparatus detects one ground communication apparatus a plurality of times, interfering with normal vehicle control.SOLUTION: As for a threshold value of magnetic field intensity at which a ground communication apparatus is determined to have been detected in an on-board communication apparatus, the on-board communication apparatus has two kinds of threshold values: that is, a first threshold value which is a ground communication apparatus approach side threshold value during low-speed running, and a second threshold value which is a ground communication apparatus advance side threshold value; and a hysteresis property strong against noise, thereby preventing erroneous detection of the ground communication apparatus during low-speed running.
    • 要解决的问题:为了解决车载通信装置与地面通信装置之间的位置关系由于车辆的振动等而波动的问题; 在这种情况下,来自地面通信装置的并由车载通信装置接收的信号磁场强度波动,车载通信装置可以越过确定进入或进入通信的阈值 车载通信装置的地面通信装置的范围; 当发生这种现象时,车载通信装置多次检测一个地面通信装置,妨碍正常的车辆控制。解决方案:关于确定地面通信装置已经被确定的磁场强度的阈值 在车载通信装置中检测到,车载通信装置具有两种阈值:即,低速运行期间作为地面通信装置接近侧阈值的第一阈值和第二阈值 其是地面通信装置提前侧阈值; 以及抵抗噪声的滞后特性,从而防止在低速行驶期间对地面通信装置的错误检测。
    • 56. 发明公开
    • LASER DISTANCE MEASUREMENT METHOD AND LASER DISTANCE MEASUREMENT DEVICE
    • 激动人心的消息
    • EP2910973A1
    • 2015-08-26
    • EP13847419.2
    • 2013-05-21
    • IHI Corporation
    • NAGATA, KouichirouHISAMITSU, Yutaka
    • G01S17/88G01S7/487G08G1/048
    • G01S7/487G01S17/10G01S17/42G01S17/88G08G1/048
    • A laser distance measurement method is provided in which a laser light L is irradiated while scanning in a horizontal direction and in a vertical direction of a monitoring range S, reflected light R of the laser light L is received and received light information d6 is obtained, and distance information d7 of a target object M in the monitoring range S is calculated from the received light information d6, in which, if a plurality of pieces of the reflected light R1 to Rn are received from the same laser light L and if the number of pieces of the reflected light R1 to Rn is less than a reference value N, the reflected light R received last is considered to be the reflected light R from the target object M and the distance information d7 is calculated, while if the number of pieces of the reflected light R1 to Rn is not less than the reference value N, the reflected light R received at the N-th time is considered to be the reflected light R from the target object M, and the distance information d7 is calculated.
    • 提供一种激光距离测量方法,其中在水平方向和监视范围S的垂直方向上扫描激光L,并且获得激光L的反射光R并接收光信息d6, 并且从接收到的光信息d6计算监视范围S中的目标对象M的距离信息d7,其中如果从相同激光L接收到多条反射光R1至Rn,并且如果数目 反射光R1至Rn的片数小于参考值N,则最后接收的反射光R被认为是来自目标对象M的反射光R,并且计算距离信息d7,而如果数量 反射光R1至Rn的值不小于基准值N,则在第N次接收的反射光R被认为是来自目标物体M的反射光R,距离信息 计数d7。
    • 57. 发明公开
    • Spot communication equipment for vehicle
    • PahtkommunikationseinrichtungFürFahrzeuge
    • EP2787493A1
    • 2014-10-08
    • EP14154853.7
    • 2014-02-12
    • Hitachi, Ltd.
    • Morita, Kazuki
    • G08G1/01G08G1/042G08G1/048G08G1/133B61L3/12G08G1/052
    • B61L3/121B61L25/021G08G1/042G08G1/048G08G1/052G08G1/133
    • For example, possible shaking of a vehicle varies positional relations between an on-board communication device and a ground communication device. In such a case, a magnetic field intensity of a signal from the ground communication device received by the on-board communication device may fluctuate across a threshold beyond which the on-board communication device determines that the vehicle has entered a communication range of the ground communication device and that the vehicle has exited the communication range. When this phenomenon occurs, the on-board communication device detects one ground communication device a plurality of times, thus hindering normal vehicle control. For a threshold of the magnetic field intensity for determining detection of the ground communication device, the on-board communication device has two types of thresholds for low speed traveling, that is, a first threshold that is a ground communication device entry side threshold and a second threshold that is a ground communication device exit side threshold. The thresholds thus have a hysteresis property that resists noise, thus preventing possible misdetection of the ground communication device during low speed traveling.
    • 例如,车辆的可能晃动会改变车载通信装置和地面通信装置之间的位置关系。 在这种情况下,由车载通信装置接收到的来自地面通信装置的信号的磁场强度可能跨过车辆通信装置确定车辆已经进入地面的通信范围的阈值波动 通信设备,并且车辆已经退出通信范围。 当发生这种现象时,车载通信装置多次检测一个地面通信装置,从而妨碍正常的车辆控制。 对于用于确定地面通信装置的检测的磁场强度的阈值,车载通信装置具有用于低速行驶的两种类型的阈值,即作为地面通信装置进入侧阈值的第一阈值和 第二阈值是地面通信设备出口侧阈值。 因此,阈值具有抵抗噪声的滞后特性,从而防止在低速行驶期间地面通信装置的可能错误检测。