公开(公告)号：US06487501B1

公开(公告)日：2002-11-26

申请号：US10028691

申请日：2001-12-28

Applicant: Yong-Won Jeon

Inventor： Yong-Won Jeon

IPC: B60Q100

CPC classification number: G05D1/0061 ,  B60T2201/08 ,  B60T2201/087 ,  B62D15/025 ,  G05D2201/0213

Abstract: A system for preventing lane deviation of a vehicle and a control method thereof are provided, in which control is performed to prevent the vehicle from inadvertently deviating from a lane. The system comprises a detector including a lane marker detector for detector lane markers that define a lane in the road, and a lane marker ECU for determining a transverse position of the vehicle using signals of the lane marker detector; a controller for determining if the vehicle is deviating from the lane by receiving information transmitted by the detector, determining steering control angle and steering control time according to a vehicle speed and a heading angle at the instant the vehicle is deviating from the lane, and outputting control signals following lane deviation prevention such that an automatic drive mode is realized until the vehicle reaches a center of the lane; and a steering driver controlled by the control signals output from the controller.

Abstract translation: 提供一种用于防止车辆的车道偏离的系统及其控制方法，其中进行控制以防止车辆不经意地偏离车道。 该系统包括检测器，其包括用于在道路中限定车道的检测器车道标记的车道标记检测器，以及车道标记ECU，用于使用车道标记检测器的信号确定车辆的横向位置; 用于通过接收由检测器发送的信息来确定车辆是否偏离车道的控制器，根据车辆偏离车道时的车速和行驶角度确定转向控制角度和转向控制时间，并输出 控制信号遵循车道偏离防止，使得实现自动驾驶模式，直到车辆到达车道的中心; 以及由控制器输出的控制信号控制的转向驱动器。

公开(公告)号：US06850629B2

公开(公告)日：2005-02-01

申请号：US09991738

申请日：2001-11-26

Applicant: Yong-Won Jeon

Inventor： Yong-Won Jeon

IPC: B60R21/00 ,  G06T1/00 ,  G06T5/00 ,  G06T5/20 ,  G06T7/60 ,  G08G1/16 ,  G06K9/00

CPC classification number: G06T7/64 ,  B60T2201/08 ,  B60T2201/089 ,  G06T7/73 ,  G06T2207/10016 ,  G06T2207/20068 ,  G06T2207/30256

Abstract: An image processing method comprises the steps of generating a road image by photographing a road on which a vehicle is traveling; performing a brightness averaging process of the road image; filtering the road image having undergone the brightness averaging process to detect lane markers; performing an inverse perspective process on the filtered road image; compressing the road image having undergone the inverse perspective process; determining slope in the lane markers from the compressed road image; determining a curvature in the road from the determined slope in the lane markers; and determining a drive direction and a lane deviation of the vehicle.

Abstract translation: 一种图像处理方法包括以下步骤：通过拍摄车辆行驶的道路产生道路图像; 进行道路图像的亮度平均处理; 过滤经过亮度平均处理的道路图像以检测车道标记; 对已滤波的道路图像进行反向透视处理; 压缩已经经历了逆透视过程的道路图像; 从压缩道路图像确定车道标记的斜率; 从车道标记中确定的斜率确定道路中的曲率; 以及确定车辆的行驶方向和车道偏离。

公开(公告)号：US06484086B2

公开(公告)日：2002-11-19

申请号：US09991727

申请日：2001-11-26

Applicant: Yong-Won Jeon

Inventor： Yong-Won Jeon

IPC: G06F700

CPC classification number: G06K9/00798 ,  B60W2550/142 ,  B60W2550/402 ,  G06T7/70

Abstract: Disclosed is a method for detecting road slope and a system for controlling vehicle speed using the method. The method comprises the steps of receiving input of road images from a camera; performing conversion of the road images into a bird's-eye view; extracting a plurality of lane markers from the converted road images; calculating a slope in the extracted lane markers; and calculating a slope in the road using a difference in value between the slopes. The system comprises a vehicle speed setting unit for establishing a target vehicle speed and outputting the same; a camera for obtaining road images and outputting the same; a drive state detecting unit having a plurality of sensors for detecting a vehicle drive state; an actuator unit for performing specific automatic controls of the vehicle; and a control unit for performing the method of the present invention to detect a road slope, and controlling the actuator unit according to road slope detection results such that the vehicle is maintained at the established speed.

Abstract translation: 本发明公开了一种利用该方法检测道路坡度的方法和车速控制系统。 该方法包括从相机接收道路图像的输入的步骤; 将道路图像转换成鸟瞰图; 从转换的道路图像中提取多个车道标记; 计算提取的车道标记中的斜率; 并且使用所述斜率之间的值的差来计算所述道路中的坡度。 该系统包括用于建立目标车速并输出目标车速的车速设定单元; 用于获取道路图像并输出相机的相机; 驱动状态检测单元，具有用于检测车辆行驶状态的多个传感器; 用于执行车辆的特定自动控制的致动器单元; 以及控制单元，用于执行本发明的方法以检测道路坡度，并且根据道路坡度检测结果控制致动器单元，使得车辆保持在建立的速度。

公开(公告)号：US06356833B2

公开(公告)日：2002-03-12

申请号：US09727798

申请日：2000-11-30

Applicant: Yong-Won Jeon

Inventor： Yong-Won Jeon

IPC: B60T832

CPC classification number: B60K31/0058 ,  B60W2050/0045 ,  B60W2050/143 ,  B60W2540/12 ,  B60W2540/20 ,  B60W2710/0605 ,  G01S13/931 ,  G01S2013/9321 ,  G01S2013/9342 ,  G01S2013/9346 ,  G01S2013/935 ,  G01S2013/9353 ,  G01S2013/9357 ,  G01S2013/936

Abstract: Disclosed a vehicle speed control system using wireless communications, the system including a driving state detecting unit for detecting a driving state and outputting corresponding signals; a transmitter/receiver for outputting low-strength signals; an electronic control unit for receiving the signals of the transmitter/receiver and establishing an ISA mode if necessary, determining if a present driving state corresponds to a first driving state, determining if the driver has performed deceleration operations and performing control into the first driving state if needed; an engine control unit for outputting signals for control of the throttle valve opening; a throttle valve electronic control unit for outputting electrical signals to a throttle valve to control the same; and a display for displaying a present mode and a vehicle state. A method for controlling the system comprises the steps of receiving signals from an RF transmitter/receiver to determine if a vehicle is in a first driving state; establishing an ISA mode and performing display of the ISA mode; determining a present driving state for comparison with the first driving state and performing display to inform the driver of the result of the comparison; determining if the driver has performed a deceleration operation if the present driving state does not correspond to the first driving state; disengaging the ISA mode and enabling full control of the vehicle by the driver if the present driving state corresponds to the first driving state or if the driver has performed a deceleration operation; and controlling an engine control unit via CAN communications if the driver has not performed a deceleration operation.

Abstract translation: 公开了一种使用无线通信的车速控制系统，该系统包括用于检测驱动状态并输出相应信号的驱动状态检测单元; 用于输出低强度信号的发射机/接收机; 电子控制单元，用于接收发送器/接收器的信号，并且如果需要建立ISA模式，确定当前的驱动状态是否对应于第一驱动状态，确定驾驶员是否进行了减速操作并执行控制到第一行驶状态 如果需要的话; 用于输出用于控制节气门开度的信号的发动机控制单元; 节流阀电子控制单元，用于将电信号输出到节流阀以控制其; 以及用于显示当前模式和车辆状态的显示器。 一种用于控制系统的方法包括以下步骤：从RF发射器/接收器接收信号以确定车辆是否处于第一驱动状态; 建立ISA模式并执行ISA模式的显示; 确定与第一驱动状态进行比较的当前驱动状态，并执行显示以通知驾驶员比较结果; 如果当前行驶状态不对应于第一行驶状态，则确定驾驶员是否执行了减速操作; 如果当前驾驶状态对应于第一驾驶状态或者驾驶员执行了减速操作，则解除ISA模式并且能够由驾驶员完全控制车辆; 以及如果驾驶员没有进行减速操作，则通过CAN通信来控制发动机控制单元。