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Driving control device and driving control method

A technology of driving control and control department, which is applied in the direction of transmission control, road vehicle drive control system, transportation and packaging, etc. It can solve problems such as restrictions, and achieve the effects of improving fuel efficiency, shortening time, and reducing the number of shifting times

Active Publication Date: 2019-05-14
ISUZU MOTORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the shift control device restricts the downshift when it is determined that the vehicle can reach the peak at a speed equal to or higher than a predetermined vehicle speed without downshifting.

Method used

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  • Driving control device and driving control method
  • Driving control device and driving control method
  • Driving control device and driving control method

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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described with reference to the drawings. figure 1 It is a block diagram showing an example of the configuration of the automatic traveling device 2 according to the embodiment of the present invention. in addition, figure 2 yes means figure 1 It is a block diagram showing an example of the configuration of the automatic travel control device 12 .

[0023] In addition, in figure 1 In the description, the engine 3 is described as an in-line 6-cylinder diesel engine, but the present invention can also be applied to a gasoline engine, and the number and arrangement of the cylinders are not particularly limited. In addition, a case where the vehicle 1 is a large vehicle such as a truck equipped with a diesel engine will be described as an example, but the present invention is not limited to a large vehicle such as a truck.

[0024] Such as figure 1 As shown, in the vehicle 1 equipped with the automatic driving ...

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PUM

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Abstract

In the present invention, the road information obtaining part (12a) obtains the information of the road in the predetermined section ahead, the vehicle information obtaining part (12b) obtains the information of the vehicle (1), and the speed prediction part (12c) obtains the information based on the road information and the vehicle ( The information of 1) predicts the change of the vehicle speed in the predetermined section when traveling in the first gear position in the predetermined section, and the speed change control unit (12d) satisfies the predicted vehicle speed in the specified section and other than the terminal. In the case where the location exhibits a minimum value, and the minimum value is greater than the condition of a hesitation speed set to a value smaller than a speed preset as a speed at which a downshift is performed, the first gear position is maintained. .

Description

technical field [0001] The present invention relates to a travel control device and a travel control method for causing a transmission to downshift from a first gear position to a second gear position. Background technique [0002] Conventionally, in vehicles such as automobiles, automatic transmissions are used that automatically switch gear positions in accordance with the speed of the vehicle (vehicle speed), the driver's operation of the accelerator, and the like. For example, Patent Document 1 discloses such a shift control device for an automatic transmission. [0003] When the speed change control device detects the apex of a slope existing on the road ahead of the vehicle and the distance from the vehicle to the apex of the slope is within a predetermined range, it determines whether the vehicle can drive at a predetermined speed or higher without downshifting. Judgment is made when the speed reaches the peak. Further, the shift control device restricts the downshi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/02F16H59/18F16H59/66F16H61/10
CPCB60Y2300/143F16H59/18F16H59/44F16H59/66F16H61/0213F16H61/16F16H2059/142F16H2059/663F16H2059/666F16H2061/022F16H2061/163B60W30/143
Inventor 石黑伸一西村伸之锦见真央
Owner ISUZU MOTORS LTD