CN103064079B - Rear radar system and control method thereof - Google Patents

Rear radar system and control method thereof Download PDF

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Publication number
CN103064079B
CN103064079B CN201210380712.1A CN201210380712A CN103064079B CN 103064079 B CN103064079 B CN 103064079B CN 201210380712 A CN201210380712 A CN 201210380712A CN 103064079 B CN103064079 B CN 103064079B
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China
Prior art keywords
radar
parameter
dead angle
vehicle
angle area
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Application number
CN201210380712.1A
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Chinese (zh)
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CN103064079A (en
Inventor
郑圭台
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Mobis Co Ltd
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Hyundai Mobis Co Ltd
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Publication of CN103064079A publication Critical patent/CN103064079A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
    • B60Q5/006—Arrangement or adaptation of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a rear radar system and a control method thereof. The rear radar system comprises: a storage device which comprises left side radar parameters and right side radar parameters; and a control part. When a vehicle starts up, a signal which is input in General Purpose Input Output (GPIO) is determined. When the input signal is a first signal, the left side radar parameters are used to determine that whether surrounding objects exist in blind angle regions of a vehicle or not. When the input signal is a second signal, the right side radar parameters are used to determine that whether surrounding objects exist in blind angle regions or not. When the surrounding objects exist in the blind angle regions, danger warning is given to a driver through an alarm lamp or an alarm sound.

Description

Rearmounted radar system and its control method
Technical field
The present invention relates to radar system, is the rearmounted thunder for being related to simplify software management and manufacturing process in more detail Up to system and its control method.
Background technology
Generally, rearmounted radar system is as shown in figure 1, be respectively arranged at corner behind the left side rear corner and right side of vehicle Fall, so as in reversing or change track, confirmation left side dead angle area whether there is with right side dead angle area barrier（That is, Perform BSD（Blind Spot Detection）Function or LCA（Lane Change Assist）Function）, and there are barrier When hindering thing, flicker LED carrys out warning of hazardous.
But, when when rearmounted radar system being arranged at left side rear corner with right side rear corner is arranged at, because sentencing The respective dead angle area that breaks is different with the presence or absence of the algorithm for having barrier, it is therefore desirable to respective different software.
Therefore, the Producer of conventional rearmounted radar system, needs to manage two softwares respectively, and it also requires independently Management is provided with the radar system and the radar system for being provided with another software of a software, therefore manufacturing process is very loaded down with trivial details, and And it is easy to error in manufacturing process.
The content of the invention
（Technical problem to be solved）
The present invention is made under aforesaid technical background, it is an object of the invention to provide rearmounted radar system and its Control method, can sharing be applied to left side and the software of the rearmounted radar system in right side.
（The means of solve problem）
The rearmounted radar system of one side of the invention, it is characterised in that include：Memorizer, uses including left side radar Parameter and right side radar parameter；And control unit, when a vehicle is started, confirmation is input to GPIO（General Purpose Input Output）In signal, when the signal of the input is the first signal, using the left side radar with parameter sentencing Disconnected periphery object, is joined using the right side radar in the secondary signal with the presence or absence of in the dead angle area of the vehicle Number is judging the periphery object with the presence or absence of in the dead angle area, and is present in the dead angle area in the periphery object When in domain, by emergency warning lamp or warning tones come to driver's warning of hazardous.
According to the rearmounted radar system control method of another side of the present invention, it is characterised in that include：When a vehicle is started, Confirmation is input to GPIO（General Purpose Input Output）In signal grade the step of；The signal is the During one grade, it is set as using right side radar with parameter carrying out the detection of periphery object, when the signal is the second grade, if The step of being set to using left side radar with parameter to carry out the detection；Carry out radar send the collection of letters, judges the periphery object With the presence or absence of in setting the parameter corresponding to dead angle area the step of；And the periphery object is present in the dead angle area During domain, the step of by least one of warning tones and emergency warning lamp come warning of hazardous.
（The effect of invention）
According to the present invention it is possible to the software of left side radar system and right side radar system is unified, such that it is able to letter Change software management and production operation, reduce because of fraction defective caused by the error of manufacturing process.
Description of the drawings
Fig. 1 is the figure of the conventional radar system of diagram.
Fig. 2 is the pie graph of the rearmounted radar system of the diagram present invention.
Fig. 3 is the flow chart of the rearmounted radar system control method of the diagram present invention.
Specific embodiment
By referring to accompanying drawing and embodiment described below, advantages of the present invention, feature and their method meeting is realized Definitely.But the invention is not restricted to embodiment disclosed below, can be to be realized by various different forms.The present invention Embodiment be intended merely to intactly disclose the present invention, and in order to make general technical staff of the technical field of the invention easy Understand invention category and provide, the present invention is defined by the record of claims.On the one hand, the skill used in this specification Art term is for illustrating embodiment, not for limiting the present invention.The singulative for referring in the description, without special In the case of restriction, then including plural form." including used in description（comprises）" or " include （comprising）" be not excluded for for, in the element, step, action being mentioned to and/or beyond being component, there is or add which with Outer more than one other elements, step, action and/or be component.
With reference to the accompanying drawings embodiments of the invention are described in detail.Fig. 2 is diagram enforcement of the invention The pie graph of the rearmounted radar system of example.Situation about below rearmounted radar system 20 is applied on vehicle is said as an example It is bright.
As shown in Fig. 2 rearmounted radar system 20 includes according to an embodiment of the invention：Memorizer 230；Communication unit 210； Control unit 220；And warning portion 240.
Memorizer 230 includes：Left side radar parameter, right side radar parameter and radar software etc..Herein, radar is used Software can be the firmware for 20 action of rearmounted radar system（Firmware）.
Communication unit 210, by the vehicle network of CAN etc., receives vehicle ignition switch and connects（Ignition ON）, vehicle The information of vehicles whether speed or vehicle left/right turn etc., and the data that can be understood by control unit 220 are converted to, and be communicated to Control unit 220.
Control unit 220, is confirming vehicle ignition switch with running by communication unit 210 with software by radar During connection, GPIO is confirmed（General Purpose Input Output）Grade.Now, GPIO can be according to rearmounted radar system System 20 is arranged at vehicle left side or is arranged at right side, is pulled up（Pull-up）Or it is drop-down（Pull-down）.
Herein, the pull-up that connects on the GPIO of control unit 220 and it is drop-down can be by being applied to rearmounted radar system 20 PCB, adapter or jumper（Jumper）Etc. carrying out.
For example, the GPIO of control unit 220 is connected with a contact, a contact according to two other contact in it is any Contact connects, and can carry out pullup or pulldown.Below, when being arranged at vehicle left side with rearmounted radar system 20, connect on GPIO Pull-up resistor, when being arranged at vehicle right side, in case of connecting pull down resistor on GPIO, son is illustrated.
Control unit 220 is input into a high position in GPIO（High）During signal, can judge that rearmounted radar system 20 is disposed on car The state in left side.Afterwards, control unit 220 can carry out radar and send the collection of letters, confirm and the object for being located at periphery（It is hereinafter referred to as " all Side object "）Distance, and utilize information of vehicles and left side radar parameter, confirm periphery object with the presence or absence of in left side radar With in the dead angle area corresponding to parameter.
Control unit 220 is input into low level in GPIO（Low）During signal, can judge that rearmounted radar system 20 is disposed on vehicle The state on right side.Afterwards, control unit 220 can carry out radar and send the collection of letters, confirm the distance with periphery object, and utilize information of vehicles And right side radar parameter, confirm periphery object with the presence or absence of in the dead angle area corresponding to the radar parameter of right side.
Now, when control unit 220 can also be input into high signal in GPIO, using right side radar parameter, it is input into low When the signal of position, using left side radar parameter.
Control unit 220 can send note by warning portion 240 to driver when confirming that periphery object is located in dead angle area Meaning warning.
Warning portion 240, indicates according to control unit 220, sends attention warning by warning tones and emergency warning lamp etc. to driver.
Now, warning portion 240 can be emergency warning lamp（LED）Or speaker etc., it is preferably provided with such as side rearview mirror, vehicle Inside etc., the optional position being easily exposed in the driver visual field.
On the other hand, left side radar parameter and right side radar parameter can be the left side dead angle area in detection object region Coordinate or reference coordinate of domain and right side dead angle area etc..Therefore, rearmounted radar system 20 confirm with object apart from when, can Confirm with the distance between reference and object, the coordinate of rotation angle and dead angle area, reference coordinate etc. whether object is located at dead In angular zone.
Below, radar system control method rearmounted according to an embodiment of the invention is illustrated with reference to Fig. 3.Fig. 3 is The flow chart of diagram radar system control method rearmounted according to an embodiment of the invention.
With reference to Fig. 3, when rearmounted radar system 20 judges vehicle launch by vehicle network（The example of S310）, can confirm The grade of the signal being input in GPIO（S320）.
When rearmounted radar system 20 is input into high signal in GPIO, can be set as using left side radar with parameter carrying out The detection of object（S330）.
When rearmounted radar system 20 is input into low level signal in GPIO, can be set as using right side radar with parameter carrying out The detection of object（S340）.
Rearmounted radar system 20 can carry out the collection of letters of sending of radar, and confirm to be set as left side thunder according to the applying signal of GPIO Whether there is up in parameter or the corresponding dead angle area of right side radar parameter has object（S350）.Now, rearmounted radar system System 20 can confirm that object with the presence or absence of in dead angle area with reference to information of vehicles.
When back radars system 20 has object in the dead angle area, alerted to driver by emergency warning lamp, warning tones etc. It is dangerous（S360）.
On the other hand, when rearmounted radar system 20 can also be input into high signal in GPIO, joined using right side radar Number, during input low level signal, using left side radar parameter.
As described above, the software of left side radar system and right side radar system can be unified by the present invention, so as to can To simplify software management and production operation.
Describe the present invention above by reference to the embodiment shown in accompanying drawing, but this enforcement for being merely an illustrative Example, general technical staff of the technical field of the invention should be appreciated that in the range of the technical thought of the present invention, can be with Carry out various deformation and change.Therefore protection scope of the present invention should not necessarily be limited to aforesaid embodiment, should be according to technology The record of scope is being determined.

Claims (4)

1. a kind of rearmounted radar system, including：
Memorizer, including left side radar parameter and right side radar parameter；And
Control unit, when a vehicle is started, confirmation is input to the signal in GPIO, when the signal of the input is the first signal, Using the left side radar with parameter judging periphery object with the presence or absence of in the dead angle area of the vehicle, in the input When signal is secondary signal, using the right side radar with parameter judging the periphery object with the presence or absence of in the dead angle area Domain, and when the periphery object is present in the dead angle area, alerted to driver by emergency warning lamp or warning tones Danger,
Wherein, the left side radar parameter is the dead angle area relevant information of vehicle left side, and the right side radar with parameter is The dead angle area relevant information of vehicle right side, the GPIO according to the rearmounted radar system be arranged at the vehicle left side or Person is arranged at right side, carries out pullup or pulldown.
2. rearmounted radar system according to claim 1, also includes：
Communication unit, receives information of vehicles from vehicle network,
The control unit also utilizes the information of vehicles, judges the periphery object with the presence or absence of in the dead angle area.
3. a kind of rearmounted radar system control method, including：
When a vehicle is started, the step of confirmation is input to the grade of the signal in GPIO；
When the signal is the first estate, it is set as using right side radar with parameter carrying out the detection of periphery object, the letter Number for the second grade when, the step of being set as using left side radar with parameter to carry out the detection；
Carry out radar send the collection of letters, judges the periphery object with the presence or absence of the dead angle area corresponding to the parameter in setting The step of；And
When the periphery object is present in the dead angle area, by least one of warning tones and emergency warning lamp come warning of hazardous The step of,
Wherein, the left side radar parameter is the dead angle area relevant information of vehicle left side, and the right side radar with parameter is The dead angle area relevant information of vehicle right side, the GPIO according to the rearmounted radar system be arranged at the vehicle left side or Person is arranged at right side, carries out pullup or pulldown.
4. rearmounted radar system control method according to claim 3, it is characterised in that include the step of the judgement：
Using the rotation angle of the radar, the parameter corresponding to the setting and with the distance between the periphery object, judge The periphery object is with the presence or absence of in the dead angle area the step of.
CN201210380712.1A 2011-10-24 2012-10-09 Rear radar system and control method thereof Active CN103064079B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0108691 2011-10-24
KR1020110108691A KR20130044565A (en) 2011-10-24 2011-10-24 Rear radar system and the controlling method thereof

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CN103064079A CN103064079A (en) 2013-04-24
CN103064079B true CN103064079B (en) 2017-03-22

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101684551B1 (en) * 2015-06-26 2016-12-08 현대자동차 주식회사 Mounting angle detection system of bsd sensor and the detection method
JP6470335B2 (en) * 2017-03-15 2019-02-13 株式会社Ｓｕｂａｒｕ Vehicle display system and method for controlling vehicle display system
CN110077350A (en) * 2019-03-22 2019-08-02 上海思致汽车工程技术有限公司 His a kind of vehicle blind zone alert system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305384A (en) * 1993-04-28 1994-11-01 Isuzu Motors Ltd Side collision warning device
CN200979598Y (en) * 2006-10-18 2007-11-21 李植滔 An omnidirectional automobile backing radar
CN101216560A (en) * 2008-01-02 2008-07-09 凌子龙 Intelligent reversing parking radar
CN101216561A (en) * 2008-01-02 2008-07-09 凌子龙 Automatic backing parking radar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305384A (en) * 1993-04-28 1994-11-01 Isuzu Motors Ltd Side collision warning device
CN200979598Y (en) * 2006-10-18 2007-11-21 李植滔 An omnidirectional automobile backing radar
CN101216560A (en) * 2008-01-02 2008-07-09 凌子龙 Intelligent reversing parking radar
CN101216561A (en) * 2008-01-02 2008-07-09 凌子龙 Automatic backing parking radar

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KR20130044565A (en) 2013-05-03

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