Rolling over damping control device for vehicle
A technology of restraint control and vehicle, applied in the direction of vehicle components, automatic starting devices, brakes, etc., can solve the problems of not being able to sufficiently restrain the rollover, taking a long time, and not being able to sufficiently restrain the rollover, etc.
Inactive Publication Date: 2005-04-06
MITSUBISHI FUSO TRUCK AND BUS CORPORATION
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Problems solved by technology
[0005] However, the form of turning that causes the vehicle to overturn, in addition to the general one-way turning, there are also turnings such as lane changes and S-shaped curves that switch the turning direction of the vehicle in the middle of the turning of the steering wheel (hereinafter referred to as turning). Turning), in which a large swing occurs in the roll direction of the vehicle, and as described above, only the braking force is applied to the turning outer wheel of the vehicle, and the rollover may not be sufficiently suppressed
[0006] In addition, in this turning turn, since the turning direction is switched midway, when the rollover suppression control is performed, the turning outer wheel to be controlled is switched midway, but since the switching response time of the braking force is relatively long, it is completely switched to the controllable wheel. It takes a long time for the braking state of the turning outer wheel, and from this point of view, there is a possibility that the rollover cannot be sufficiently suppressed
Method used
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[0022] Embodiments of the present invention will be described below with reference to the drawings.
[0023] Figure 1 to Figure 6 is a diagram showing a vehicle rollover suppression control device according to an embodiment of the present invention, figure 1 is the control block diagram of the inhibitory control, figure 2 It is a system structure diagram showing the overall structure of a vehicle braking system with this device, image 3 (a) and image 3 (b) is a schematic diagram showing the relationship between the turning direction of the vehicle provided with this device and the brake wheels during normal rollover suppression control, Figure 4 (a)~ Figure 4 (d) is a figure explaining the control of the vehicle rollover suppression control apparatus which concerns on one Embodiment of this invention, Figure 5 and Image 6 It is a flowchart explaining this suppression control.
[0024] This vehicle rollover restraint control device is equipped with figure 2 sho...
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The rollover suppressing control device is equipped with a rollover suppressing control means 33 performing the rollover suppressing control by controlling a braking mechanism so as to apply or increase the braking force to the turning outer wheel when it is determined that the vehicle is in an excessive roll state at the time of turning of the vehicle. When it is determined that both right and left wheels of the vehicle contact the ground by a determination means 35 during rollover suppressing control, all wheels braking control controlling the braking mechanism is performed so as to apply the braking force to both right and left wheels of the vehicle.
Description
technical field [0001] The present invention relates to a rollover suppression control device for a vehicle that performs rollover suppression control by applying a braking force to an outer turning wheel when the vehicle is in an excessive roll state when the vehicle is turning. Background technique [0002] As a technology to control the state of the vehicle when turning, a technology has been developed that detects the roll state of the vehicle body and applies braking force to specific wheels to suppress the vehicle body roll when the vehicle body roll increases to suppress the vehicle rollover (Rollover) (For example, refer to JP-A-11-11272). [0003] In this technique, when the roll rate (roll rate) of the vehicle body is detected, and the magnitude of the detected roll rate is greater than or equal to a predetermined value, and when the steering angle detected by the steering angle sensor is used to The steering angular velocity is calculated, and when the magnitude ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B60T8/1755B60R16/02B60T7/12B60T8/172B60T8/24B60T8/58
CPCB60T2230/03B60T7/12B60T2220/03
Inventor 坂田邦夫
Owner MITSUBISHI FUSO TRUCK AND BUS CORPORATION