CN108583575A - A kind of intelligent driving limiting vehicle speed method and device - Google Patents
A kind of intelligent driving limiting vehicle speed method and device Download PDFInfo
- Publication number
- CN108583575A CN108583575A CN201810393080.XA CN201810393080A CN108583575A CN 108583575 A CN108583575 A CN 108583575A CN 201810393080 A CN201810393080 A CN 201810393080A CN 108583575 A CN108583575 A CN 108583575A
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- Prior art keywords
- vehicle
- speed
- intelligent driving
- signal
- driving vehicle
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Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005183 dynamical system Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- 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
- B60W30/00—Purposes 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
- B60W30/14—Adaptive cruise control
- B60W30/143—Speed control
- B60W30/146—Speed limiting
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- 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
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/10—Longitudinal speed
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a kind of intelligent driving limiting vehicle speed method and device, this method is to receive the signal that the sender unit mounted on road speed limit section emits by the signal receiving device on vehicle quadrangle；Signal comprising maximum travelling speed information is sent to vehicle-mounted ECU by signal receiving device；Vehicle-mounted ECU is connected by CAN bus with motor vehicle braking system and dynamical system, and control car speed is realized by CAN bus.A kind of intelligent driving limiting vehicle speed method and device of the present invention is compared to the prior art, has the characteristics that reasonable design, simple in structure, easy to install and use, safe and reliable, by ECU signal is sent to braking system, reduce Vehicle Speed, realize the speed limiting function of intelligent driving vehicle so that the safety traffic of intelligent driving vehicle is protected.
Description
Technical field
The present invention relates to automotive safety technical applications, specifically a kind of intelligent driving limiting vehicle speed method and dress
It sets.
Background technology
CAN, that is, controller local area network belongs to the scope of industrial field bus.CAN bus be it is high with traffic rate,
A kind of easy to implement and various features such as cost performance height fieldbus having formed international standard.With general communication bus
It compares, the data communication of CAN bus has reliability outstanding, real-time and flexibility.Due to its good performance and uniqueness
Design, CAN bus is increasingly valued by people.Its application on automotive field is widest.
The voltage power supply range of ECU is generally in 6.5-16V（Internal key aspect has stable-pressure device）, operating current is in 0.015-
0.1A, operating temperature are at -40 DEG C ~ 80 DEG C.1000Hz vibrations below can be born, therefore the probability of ECU damages is very small,
CPU is core in ECU, it has the function of operation and control, and at runtime, it acquires the letter of each sensor to engine
Number, operation is carried out, and the result of operation is changed into signal in order to control, controls the work of controlled device.
Invention content
The technical assignment of the present invention is to provide a kind of intelligent driving limiting vehicle speed method and device.
The technical assignment of the present invention is realized in the following manner：
A kind of intelligent driving limiting vehicle speed method, this method are to receive dress by the signal on intelligent driving vehicle quadrangle
It sets and receives the signal that the sender unit mounted on road speed limit section emits；Signal receiving device sends signal to intelligence
Drive the vehicle-mounted ECU of vehicle；Vehicle-mounted ECU is connected by CAN bus with the braking system of intelligent driving vehicle and dynamical system,
The speed of control intelligent driving vehicle is realized by CAN bus.
This method operating procedure is as follows：
Step 1）Sender unit is installed in road speed limit section, installation signal receives dress in the quadrangle of intelligent driving vehicle
It sets；
Step 2）When intelligent driving vehicle launch, the signal receiving device on intelligent driving vehicle quadrangle enters work
State；When intelligent driving vehicle traveling is on road speed limit section, signal receiving device can receive on highway
The signal that sender unit is sent out；
Step 3）The signal received is sent to the vehicle-mounted ECU of intelligent driving vehicle by signal receiving device, and vehicle-mounted ECU is by vehicle
Real-time speed is compared with maximum travelling speed；
Step 4）The vehicle-mounted ECU of intelligent driving vehicle is connected with the power of intelligent driving vehicle with braking system, works as intelligent driving
When the real-time speed of vehicle is more than maximum travelling speed, vehicle-mounted ECU can send brake signal by CAN bus to braking system,
Realize speed limiting function.
The step 2）The signal that middle sender unit is sent out includes maximum travelling speed information.
The vehicle-mounted ECU of the intelligent driving vehicle is connected with information input equipment.
Maximum travelling speed is manually set by the information input equipment.
When the travel speed of intelligent driving vehicle is higher than the maximum speed manually set, vehicle-mounted ECU can pass through
CAN bus sends brake signal to braking system, realizes speed limiting function.
A kind of intelligent driving speed-limiting device for vehicles, including sender unit, signal receiving device, vehicle-mounted ECU and CAN are total
Line；
The sender unit is mounted in road speed limit section；The signal receiving device is mounted on intelligent driving vehicle
Quadrangle；The signal receiving device is connected by the CAN bus with the vehicle-mounted ECU, the vehicle-mounted ECU
It is connected with the braking system of intelligent driving vehicle and dynamical system by the CAN bus.
The sender unit is used to send the signal for including maximum travelling speed information to signal receiving device；Institute
The signal receiving device stated is for sending signal to vehicle-mounted ECU.
The vehicle-mounted ECU works as intelligence for comparing the real-time speed of intelligent driving vehicle with maximum travelling speed
When can drive the real-time speed of vehicle more than maximum travelling speed, vehicle-mounted ECU sends brake letter by CAN bus to braking system
Number, realize speed limiting function.
The vehicle-mounted ECU is connected with information input equipment, and maximum travelling speed is manually set by information input equipment,
When the travel speed of intelligent driving vehicle is higher than the maximum speed manually set, vehicle-mounted ECU is by CAN bus to braking system
Brake signal is sent, realizes speed limiting function.
Compared to the prior art a kind of intelligent driving limiting vehicle speed method and device of the present invention, has reasonable design, knot
The features such as structure is simple, easy to install and use, safe and reliable sends signal by ECU to braking system, reduces vehicle traveling speed
Degree realizes the speed limiting function of intelligent driving vehicle so that the safety traffic of intelligent driving vehicle is protected.
Description of the drawings
Attached drawing 1 is a kind of flow diagram of intelligent driving limiting vehicle speed method.
Specific implementation mode
Embodiment 1：
Configuration device：
A kind of intelligent driving speed-limiting device for vehicles, including sender unit, signal receiving device, vehicle-mounted ECU and CAN bus；
The sender unit is mounted in road speed limit section；The signal receiving device is mounted on intelligent driving vehicle
Quadrangle；The signal receiving device is connected by the CAN bus with the vehicle-mounted ECU, the vehicle-mounted ECU
It is connected with the braking system of intelligent driving vehicle and dynamical system by the CAN bus.
The sender unit is used to send the signal for including maximum travelling speed information to signal receiving device；Institute
The signal receiving device stated is for sending signal to vehicle-mounted ECU.
The vehicle-mounted ECU works as intelligence for comparing the real-time speed of intelligent driving vehicle with maximum travelling speed
When can drive the real-time speed of vehicle more than maximum travelling speed, vehicle-mounted ECU sends brake letter by CAN bus to braking system
Number, realize speed limiting function.
The vehicle-mounted ECU is connected with information input equipment, and maximum travelling speed is manually set by information input equipment,
When the travel speed of intelligent driving vehicle is higher than the maximum speed manually set, vehicle-mounted ECU is by CAN bus to braking system
Brake signal is sent, realizes speed limiting function.
Operating procedure：
Step 1）Sender unit is installed in road speed limit section, installation signal receives dress in the quadrangle of intelligent driving vehicle
It sets；
Step 2）When intelligent driving vehicle launch, the signal receiving device on intelligent driving vehicle quadrangle enters work
State；When intelligent driving vehicle traveling is on road speed limit section, signal receiving device can receive on highway
The signal for including maximum travelling speed information that sender unit is sent out；
Step 3）The signal received is sent to the vehicle-mounted ECU of intelligent driving vehicle by signal receiving device, and vehicle-mounted ECU is by vehicle
Real-time speed is compared with maximum travelling speed；
Step 4）The vehicle-mounted ECU of intelligent driving vehicle is connected with the power of intelligent driving vehicle with braking system, works as intelligent driving
When the real-time speed of vehicle is more than maximum travelling speed, vehicle-mounted ECU can send brake signal by CAN bus to braking system,
Realize speed limiting function.
The vehicle-mounted ECU of the intelligent driving vehicle is connected with information input equipment, passes through the information input equipment
Maximum travelling speed is manually set, when the travel speed of intelligent driving vehicle is higher than the maximum speed manually set,
Vehicle-mounted ECU can send brake signal by CAN bus to braking system, realize speed limiting function.
The ECU is carried out to memory（ROM/FLASH/EEPROM、RAM）, input/output interface（I/O）With it is other
The control of external circuit；The program stored in memory ROM is by based on accurately calculating the data obtained with many experiments
It writes out, when the engine is working, the signal of each sensor constantly come with acquisition is compared this intrinsic program
And calculating.The result for comparing and calculating is used for multiple parameters such as the igniting of engine, air-fuel ratio, idling, exhaust gas recycling
Control.
The technical personnel in the technical field can readily realize the present invention with the above specific embodiments,.But it answers
Work as understanding, the present invention is not limited to above-mentioned several specific implementation modes.On the basis of the disclosed embodiments, the technology
The technical staff in field can arbitrarily combine different technical features, to realize different technical solutions.
Claims (10)
1. a kind of intelligent driving limiting vehicle speed method, which is characterized in that this method is by being mounted on intelligent driving vehicle quadrangle
On signal receiving device receive mounted on road speed limit section sender unit emit signal；Signal receiving device will
Signal is sent to the vehicle-mounted ECU of intelligent driving vehicle；Vehicle-mounted ECU by the braking system of CAN bus and intelligent driving vehicle with
And dynamical system is connected, and the speed of control intelligent driving vehicle is realized by CAN bus.
2. according to the method described in claim 1, it is characterized in that, this method operating procedure is as follows：
Step 1）Sender unit is installed in road speed limit section, installation signal receives dress in the quadrangle of intelligent driving vehicle
It sets；
Step 2）When intelligent driving vehicle launch, the signal receiving device on intelligent driving vehicle quadrangle enters work
State；When intelligent driving vehicle traveling is on road speed limit section, signal receiving device can receive on highway
The signal that sender unit is sent out；
Step 3）The signal received is sent to the vehicle-mounted ECU of intelligent driving vehicle by signal receiving device, and vehicle-mounted ECU is by vehicle
Real-time speed is compared with maximum travelling speed；
Step 4）The vehicle-mounted ECU of intelligent driving vehicle is connected with the power of intelligent driving vehicle with braking system, works as intelligent driving
When the real-time speed of vehicle is more than maximum travelling speed, vehicle-mounted ECU can send brake signal by CAN bus to braking system,
Realize speed limiting function.
3. according to the method described in claim 2, it is characterized in that, the step 2）The signal that middle sender unit is sent out
Including maximum travelling speed information.
4. according to the method described in claim 2, it is characterized in that, the vehicle-mounted ECU and information of the intelligent driving vehicle are defeated
Enter equipment to be connected.
5. according to the method described in claim 4, it is characterized in that, manually setting maximum row by the information input equipment
Sail speed.
6. according to the method described in claim 5, it is characterized in that, the travel speed when intelligent driving vehicle is higher than the hand
When the maximum speed of dynamic setting, vehicle-mounted ECU can send brake signal by CAN bus to braking system, realize speed limiting function.
7. a kind of intelligent driving speed-limiting device for vehicles, which is characterized in that including sender unit, signal receiving device, vehicle-mounted
ECU and CAN bus；
The sender unit is mounted in road speed limit section；The signal receiving device is mounted on intelligent driving vehicle
Quadrangle；The signal receiving device is connected by the CAN bus with the vehicle-mounted ECU, the vehicle-mounted ECU
It is connected with the braking system of intelligent driving vehicle and dynamical system by the CAN bus.
8. according to claim 7 and device, which is characterized in that the sender unit is used to receive to signal and fill
Set the signal for sending and including maximum travelling speed information；The signal receiving device is for sending signal to vehicle-mounted ECU.
9. according to claim 7 and device, which is characterized in that the vehicle-mounted ECU is used for intelligent driving vehicle
Real-time speed is compared with maximum travelling speed, when the real-time speed of intelligent driving vehicle is more than maximum travelling speed, vehicle
It carries ECU and brake signal is sent to braking system by CAN bus, realize speed limiting function.
10. according to claim 7 and device, which is characterized in that the vehicle-mounted ECU is connected with information input equipment,
Maximum travelling speed is manually set by information input equipment, is manually set most when the travel speed of intelligent driving vehicle is higher than
When big speed, vehicle-mounted ECU sends brake signal by CAN bus to braking system, realizes speed limiting function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810393080.XA CN108583575A (en) | 2018-04-27 | 2018-04-27 | A kind of intelligent driving limiting vehicle speed method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810393080.XA CN108583575A (en) | 2018-04-27 | 2018-04-27 | A kind of intelligent driving limiting vehicle speed method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108583575A true CN108583575A (en) | 2018-09-28 |
Family
ID=63610160
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810393080.XA Pending CN108583575A (en) | 2018-04-27 | 2018-04-27 | A kind of intelligent driving limiting vehicle speed method and device |
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| Country | Link |
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| CN (1) | CN108583575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402626A (en) * | 2020-02-09 | 2020-07-10 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Safe following distance control system and control method based on vehicle-road cooperation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508283A (en) * | 2008-02-14 | 2009-08-19 | 韩新生 | Compulsory vehicle deceleration system |
| CN203246329U (en) * | 2013-05-13 | 2013-10-23 | 辛勤 | Automobile intelligent speed limiting device |
| CN103496324A (en) * | 2013-10-17 | 2014-01-08 | 北京北方华德尼奥普兰客车股份有限公司 | Automobile CAN speed limiting control system |
| CN206155176U (en) * | 2016-08-19 | 2017-05-10 | 中国人民解放军第四军医大学 | Highway vehicle speed -limiting system |
-
2018
- 2018-04-27 CN CN201810393080.XA patent/CN108583575A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508283A (en) * | 2008-02-14 | 2009-08-19 | 韩新生 | Compulsory vehicle deceleration system |
| CN203246329U (en) * | 2013-05-13 | 2013-10-23 | 辛勤 | Automobile intelligent speed limiting device |
| CN103496324A (en) * | 2013-10-17 | 2014-01-08 | 北京北方华德尼奥普兰客车股份有限公司 | Automobile CAN speed limiting control system |
| CN206155176U (en) * | 2016-08-19 | 2017-05-10 | 中国人民解放军第四军医大学 | Highway vehicle speed -limiting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402626A (en) * | 2020-02-09 | 2020-07-10 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Safe following distance control system and control method based on vehicle-road cooperation |
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Application publication date: 20180928 |