A driver assistance system
A driver assistance and driver technology, applied in the field of driver assistance systems, can solve the problems of improving the steering assistance system space, losing driving attention, and being unable to handle traffic conditions, etc.
Pending Publication Date: 2022-01-14
VOLVO LASTVAGNAR AB
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- Abstract
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AI Technical Summary
Problems solved by technology
[0005] One problem that can occur when using steering assistance systems with, for example, automatic cruise control (ACC) systems is that the driver may occasionally lose focus on driving
Driver involvement is important as the system may not be able to handle all types of traffic situations
[0006] Therefore, while known steering assistance systems have improved vehicle safety and driving experience, there is still room for improvement in steering assistance systems
Method used
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Embodiment Construction
[0037] figure 1 Shown is a vehicle 1 in the form of a heavy-duty tractor truck comprising a driver assistance system 30 for providing steering assistance to the driver of the vehicle 1 during travel (see Figure 4 ). Although a tractor truck is shown, the invention is also applicable to other types of vehicles, such as buses, light trucks, passenger cars, and construction equipment vehicles such as articulated haulers, excavators, wheel loaders, and backhoe loaders. machine). The vehicle 1 comprises a control unit 10 which may be configured as outlined herein.
[0038] The control unit 10 may be one control unit, or multiple sub-control units working together. One or more control units 10 may comprise a microprocessor, microcontroller, programmable digital signal processor, or another programmable device. The control unit 10 may also or alternatively include an application specific integrated circuit, a programmable gate array or programmable array logic, a programmable lo...
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The present disclosure relates to a driver assistance system (30) for providing steering assistance to a driver of a vehicle (1) during driving, comprising: a control unit (10) configured to receive information about direction, curvature and / or change in curvature of a road lane (RL) ahead of the vehicle, which road lane is considered as safe for the vehicle when the vehicle is driving within lateral road lane limits (RLleft, R Lright) of the road lane, the control unit being further configured to provide steering assistance to the driver for keeping the vehicle within the road lane, which steering assistance is based on a trajectory to follow (T) for the vehicle, wherein the control unit is configured to calculate the trajectory to follow based on the direction, curvature and / or change in curvature of the road lane when the vehicle is laterally positioned within a lateral safe band (LSB) of the road lane and / or when the vehicle is laterally positioned within the lateral safe band of the road lane and predicted to not laterally exceed the lateral safe band within a predetermined time period or within a predetermined distance of travel of the vehicle, which lateral safe band is defined by predetermined safety margins (LSBleft, LSBright) with respect to the respective lateral road lane limits.
Description
technical field [0001] The invention relates to a driver assistance system for providing steering assistance to a vehicle driver during travel, a method for providing steering assistance to a vehicle driver during travel, a vehicle, a computer program and / or a computer-readable medium. [0002] The invention can be applied to heavy vehicles such as trucks, buses and construction equipment. Although the invention will be described in relation to heavy trucks, the invention is not limited to this particular vehicle, but may also be used with other vehicles such as light trucks, articulated haulers, excavators, wheel loaders and backhoe loaders. Background technique [0003] Vehicle driver assistance systems for supporting the driver during driving by means of motion control of the vehicle are already known. Known systems are, for example, brake assistance systems such as anti-lock braking systems (ABS), but also steering assistance systems for supporting the driver, for examp...
Claims
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IPC IPC(8): B62D15/02
CPCB62D15/025B62D15/0265
Inventor 大卫·奥斯特
Owner VOLVO LASTVAGNAR AB