CN108045371A - A kind of vehicle control system - Google Patents

A kind of vehicle control system Download PDF

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Publication number
CN108045371A
CN108045371A CN201711341437.1A CN201711341437A CN108045371A CN 108045371 A CN108045371 A CN 108045371A CN 201711341437 A CN201711341437 A CN 201711341437A CN 108045371 A CN108045371 A CN 108045371A
Authority
CN
China
Prior art keywords
vehicle
distance
kind
control system
detectable limit
Prior art date
Application number
CN201711341437.1A
Other languages
Chinese (zh)
Inventor
王春荣
Original Assignee
阜阳裕晟电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 阜阳裕晟电子科技有限公司 filed Critical 阜阳裕晟电子科技有限公司
Priority to CN201711341437.1A priority Critical patent/CN108045371A/en
Publication of CN108045371A publication Critical patent/CN108045371A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14Adaptive cruise control
    • B60W30/16Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
    • B60W30/162Speed limiting therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2554/00Input parameters relating to objects
    • B60W2554/80Spatial relation or speed relative to objects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2554/00Input parameters relating to objects
    • B60W2554/80Spatial relation or speed relative to objects
    • B60W2554/801Lateral distance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines

Abstract

The invention discloses vehicle control systems to include metrics calculation unit.Metrics calculation unit is used to be obtained the detectable limit distance of extraneous recognition unit.Speed computing unit, in the interior relative velocity there is no the imaginary vehicle in the case of other vehicles, calculating and being present in outside the distance of detectable limit distance.During stopping the fuel cut-off control to engine supply fuel in the case where judging that detectable limit distance is less than necessary detecting distance and during execution traveling.If accelerator opening is more than regulation aperture, then during accelerator pedal is not released, the generated energy of alternating current generator is reduced compared with accelerator opening is more than to provide aperture before, and if accelerator pedal is released the generated energy of alternating current generator is made to increase, it is specified that aperture is more than 0.Using embodiment provided by the invention, the control of vehicular safety distance is realized, improve the safety of vehicle traveling.

Description

A kind of vehicle control system

Technical field

The present invention relates to technical field of vehicle control, more particularly to a kind of vehicle control system.

Background technology

In Japanese Patent Application No.2008-059094 (JP-A-2008-059094) and Japanese Patent Application Such conventional vehicle control system is disclosed in No.63-098706 (JP-A-63-098706).

JP-A-2008-059094 discloses a kind of technology related with convoy spacing control, in the art, based on vehicle The target velocity and aimed acceleration/deceleration of another vehicle in group set the target of a certain vehicle in vehicle group speed Degree and aimed acceleration/deceleration, set target velocity and aimed acceleration/deceleration are transferred into the vehicle by communication , and the vehicle is subjected to traveling control so that and the speed and acceleration/deceleration of the vehicle accelerate with target velocity and target Degree/deceleration matching.Meanwhile JP-A-63-098706 discloses a kind of technology related with convoy spacing control, in the technology In, truck traffic is performed between at least two vehicles, and based on the aimed acceleration received of other vehicle to main vehicle Perform traveling control.

According to the control response characteristic compared with control targe value of real output value, in the car sending for obtaining The point and reality output of the control targe value such as control instruction of target vehicle acceleration are worth with control targe between matched point Operating lag can occur.Therefore, according to the control response characteristic compared with control targe value, when the control mesh based on other vehicle Scale value be expert at reach to main vehicle perform control when, it may be impossible to be appropriately performed traveling control.For example, between above-mentioned vehicle Every in control, compared with the actual vehicle acceleration and actual vehicle speed of preceding vehicle, the target vehicle of pursuit-type vehicle accelerates Degree and target vehicle velocity can deviate desired control targe value, thus, the ability for following preceding vehicle of pursuit-type vehicle can be bad Change.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of vehicle control system, it is intended to realize the safe distance of vehicle Control improves the safety of vehicle traveling.

To achieve the above object, the present invention provides following technical solution:

A kind of vehicle control system, including:

Extraneous recognition unit detects other vehicles around the lane markings and/or described vehicle of this vehicle traveling ;

The detectable limit distance of the extraneous recognition unit is obtained in metrics calculation unit;

Speed computing unit, it is interior there is no in the case of other vehicles in detectable limit distance, it calculates with existing In the relative velocity of the imaginary vehicle outside the distance;With necessary detecting distance computing unit, according to the relative velocity, it is obtained The necessary detecting distance of the extraneous recognition unit needed for described vehicle to change lane;

Execution unit, in the case where judging that detectable limit distance is less than the necessary detecting distance and During performing the fuel cut-off control that traveling stops in the process to engine supply fuel, if accelerator opening is more than Provide aperture, then during accelerator pedal is not released, compared with the accelerator opening is more than before the regulation aperture The generated energy of the alternating current generator is reduced, and makes the generated energy of the alternating current generator if the accelerator pedal is released Increase, the regulation aperture is more than 0.

Optionally, in the case where judging that detectable limit distance is more than the necessary detecting distance, automatically into The track change of described vehicle of row.

Optionally, further include:In the case where judging that the detectable limit distance is less than the necessary detecting distance, Accelerate described vehicle.

Optionally, the relative velocity computing unit calculates the phase with the imaginary vehicle based on the speed limit in the track To speed.

Optionally, the historical data of the travel speed of the relative velocity computing unit based on the track, calculating and institute State the relative velocity of imaginary vehicle.

Optionally, multiple objects that the critical distance computing unit detection can be consecutively detected from described vehicle Based on the object, the detectable limit distance is set near furthermost object for object.

A kind of vehicle control system provided by the invention, has the advantages that:

Using a kind of vehicle control system provided in an embodiment of the present invention, vehicle week can be detected by extraneous recognition unit The vehicle enclosed, and the distance with other vehicles is calculated by metrics calculation unit, and necessary inspection is calculated by speed computing unit Ranging is from so as to which the fuel cut-off for supplying fuel to the engine by execution unit controls;If accelerator opening is more than rule Determine aperture, be then more than that the regulation aperture drops compared with before with the accelerator opening during accelerator pedal is not released The generated energy of the low alternating current generator, and increase the generated energy of the alternating current generator if the accelerator pedal is released Add 0.Therefore, it using the embodiment of the present invention, can realize the control of vehicular safety distance, improve the safety of vehicle traveling

Description of the drawings

Fig. 1 is the structure diagram of the vehicle control system of the present invention.

Specific embodiment

To make the purpose, technical scheme and advantage of invention of greater clarity, below by attached drawing and embodiment, to this Inventive technique scheme is further elaborated.However, it should be understood that specific embodiment described herein is only used to solve Technical solution of the present invention is released, is not intended to limit the invention the scope of technical solution.

For solve prior art problem, the present invention provides as shown in Figure 1 be a kind of vehicle control system, including:

Extraneous recognition unit detects other vehicles around the lane markings and/or this vehicle of this vehicle traveling;

The detectable limit distance of extraneous recognition unit is obtained in metrics calculation unit;

Speed computing unit, it is interior there is no in the case of other vehicles in detectable limit distance, it calculates and is present in this The relative velocity of imaginary vehicle outside distance;With necessary detecting distance computing unit, according to relative velocity, the change of this vehicle is obtained The necessary detecting distance of extraneous recognition unit needed for more track,

Execution unit in the case where judging that detectable limit distance is less than necessary detecting distance and performs traveling During stopping the fuel cut-off control to engine supply fuel in the process, if accelerator opening is more than regulation aperture, During accelerator pedal is not released, the power generation of alternating current generator is reduced compared with accelerator opening is more than to provide aperture before Amount, and if accelerator pedal is released the generated energy of alternating current generator is made to increase, it is specified that aperture is more than 0.

In a kind of realization method of the present invention, situation of the detectable limit distance more than necessary detecting distance is being judged Under, the track change of this vehicle is carried out automatically.

In a kind of realization method of the present invention, further include:Judging detectable limit distance less than necessary detecting distance In the case of, accelerate this vehicle.

In a kind of realization method of the present invention, relative velocity computing unit is calculated and imaginary vehicle based on the speed limit in track Relative velocity.

In a kind of realization method of the present invention, the historical data of travel speed of the relative velocity computing unit based on track, Calculate the relative velocity with imaginary vehicle.

In a kind of realization method of the present invention, the detection of critical distance computing unit can be consecutively detected more from this vehicle Based on the object, detectable limit distance is set near furthermost object for a object.

Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (6)

1. a kind of vehicle control system, which is characterized in that including:
Extraneous recognition unit detects other vehicles around the lane markings and/or described vehicle of this vehicle traveling;
The detectable limit distance of the extraneous recognition unit is obtained in metrics calculation unit;
Speed computing unit, it is interior there is no in the case of other vehicles in detectable limit distance, it calculates and is present in this The relative velocity of imaginary vehicle outside distance;With necessary detecting distance computing unit, according to the relative velocity, it is obtained described The necessary detecting distance of the extraneous recognition unit needed for this vehicle to change lane,
Execution unit in the case where judging that the detectable limit distance is less than the necessary detecting distance and performs During stopping the fuel cut-off control to engine supply fuel during traveling, if accelerator opening is more than regulation Aperture is more than that the regulation aperture reduces compared with before with the accelerator opening then during accelerator pedal is not released The generated energy of the alternating current generator, and increase the generated energy of the alternating current generator if the accelerator pedal is released Add, the regulation aperture is more than 0.
2. a kind of vehicle control system according to claim 1, which is characterized in that judge the detectable limit away from In the case of more than the necessary detecting distance, the track change of described vehicle is carried out automatically.
3. a kind of vehicle control system according to claim 2, which is characterized in that further include:Judging described to examine In the case of critical distance is surveyed less than the necessary detecting distance, accelerate described vehicle.
4. according to a kind of vehicle control system of claim 1-3 any one of them, it is characterised in that:The relative velocity calculates Unit calculates the relative velocity with the imaginary vehicle based on the speed limit in the track.
5. according to a kind of vehicle control system of claim 1-3 any one of them, it is characterised in that:The relative velocity calculates The historical data of travel speed of the unit based on the track calculates the relative velocity with the imaginary vehicle.
6. according to a kind of vehicle control system of claim 1-3 any one of them, it is characterised in that:The critical distance calculates Multiple objects that unit detection can be consecutively detected from described vehicle, based on the object, by the detectable limit Distance is set near furthermost object.
CN201711341437.1A 2017-12-14 2017-12-14 A kind of vehicle control system CN108045371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711341437.1A CN108045371A (en) 2017-12-14 2017-12-14 A kind of vehicle control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711341437.1A CN108045371A (en) 2017-12-14 2017-12-14 A kind of vehicle control system

Publications (1)

Publication Number Publication Date
CN108045371A true CN108045371A (en) 2018-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711341437.1A CN108045371A (en) 2017-12-14 2017-12-14 A kind of vehicle control system

Country Status (1)

Country Link
CN (1) CN108045371A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103097219A (en) * 2010-09-21 2013-05-08 铃木株式会社 Power generation control device for electric vehicle
CN103026613B (en) * 2010-07-22 2015-09-16 丰田自动车株式会社 Vehicle control system
CN105026721A (en) * 2013-03-01 2015-11-04 三菱自动车工业株式会社 Controller for vehicle
CN106796759A (en) * 2014-12-26 2017-05-31 日立汽车系统株式会社 Vehicle control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103026613B (en) * 2010-07-22 2015-09-16 丰田自动车株式会社 Vehicle control system
CN103097219A (en) * 2010-09-21 2013-05-08 铃木株式会社 Power generation control device for electric vehicle
CN105026721A (en) * 2013-03-01 2015-11-04 三菱自动车工业株式会社 Controller for vehicle
CN106796759A (en) * 2014-12-26 2017-05-31 日立汽车系统株式会社 Vehicle control system

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