Parking assistance apparatus
A technology for parking assistance and equipment, applied in vehicle components, steering mechanisms, transportation and packaging, etc., to solve problems such as insufficient display of estimated trajectories, inability for drivers to choose, and unclear target parking spaces.
Inactive Publication Date: 2008-07-09
TOYOTA IND CORP
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Problems solved by technology
[0006] In conclusion, since during the forward movement, no image transmitted from the camera is displayed on the display, the driver cannot choose but intuitively find the stopping position for starting the backward movement
Therefore, simply showing the estimated trajectory on the display during backward motion is not enough as a parking aid
[0007] In addition, only displaying the trajectory poses a problem of lack of user friendliness, since it is unclear in which part of the trajectory and how the trajectory fits into the target parking space
Method used
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[0020] Hereinafter, embodiments of the present invention will be described based on the drawings.
[0021] Such as figure 1 As shown, a rear view surveillance camera 2 for capturing images of the rear of the vehicle 1 is mounted to a rear portion of the vehicle 1 . The rear bumper 3 of the vehicle 1 is captured within the lower end portion of the visible range of the camera 2 . The liquid crystal color display 4 is arranged close to the driver's seat of the vehicle 1 . When a parking assist operation is performed based on the present invention, an image captured by the camera 2 is displayed on a display 4, which is generally used as a display unit of a navigation system. In addition, a shift lever 5 is provided beside the driver's seat. The front wheels 6 serving as steerable wheels are steered by operating the steering wheel 7 .
[0022] figure 2 The structure of the parking assist apparatus according to the first embodiment of the present invention is shown. A control...
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In a parking assistance apparatus disclosed herein, when a lateral parking mode switch is set at an initial stop position A, a controller calculates a backward movement start position B for parking based on a yaw angle and a steering angle of a vehicle, and issues guiding information to stop the vehicle upon having determined that the vehicle has reached the calculated backward movement start position B. After having sensed that a shift lever was shifted to a reverse position, the controller displays on a display an image captured by a camera as to an area behind the vehicle, and also displays on the display in a superimposed manner an estimated vehicle space in the case where the vehicle moves backwards while maintaining a steering angle at the time of the shift of the shift lever. The driver operates a steering wheel so as to establish a suitable positional relation between the estimated vehicle space and a target parking space on the display, whereby an appropirate steering angle is obtained in moving the vehicle backwards.
Description
technical field [0001] The present invention relates to a parking assist device, and more particularly, to a device that provides driving operation guidance to a driver in side parking. Background technique [0002] Conventionally, it has been developed by displaying on a display an image captured by a surveillance camera mounted on a vehicle during a backward motion of the vehicle during a driving operation, and also displaying a corresponding steering wheel superimposed on the displayed image on the display. A driving assistance device that provides assistance by estimating the trajectory of the steering angle, as disclosed in, for example, JP-2002-251632A. [0003] The driving assistance apparatus described above allows the driver to perform, for example, sideways parking the vehicle inside the parking space by driving the vehicle while viewing the estimated trajectory on the display. [0004] The problem to be solved by the present invention [0005] However, despite a...
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IPC IPC(8): B62D15/02
Inventor 岛崎和典木村富雄山本悟士
Owner TOYOTA IND CORP