CN208515586U - A kind of long descending control system of automobile - Google Patents
A kind of long descending control system of automobile Download PDFInfo
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- CN208515586U CN208515586U CN201820385009.2U CN201820385009U CN208515586U CN 208515586 U CN208515586 U CN 208515586U CN 201820385009 U CN201820385009 U CN 201820385009U CN 208515586 U CN208515586 U CN 208515586U
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Abstract
The utility model relates to a kind of long descending control systems of automobile, comprising: Inertial Measurement Unit feeds back to data processing unit for perceiving the slopes angle information of long descending, and by the slopes angle information；Data processing unit handles the slopes angle information that the Inertial Measurement Unit is sent, the suitable vehicle speed information of automobile when obtaining descending in conjunction with the slopes length information that electronic map equipment exports, and the suitable vehicle speed information is fed back to speed control unit；Speed control unit receives the suitable vehicle speed information, suitable speed information when obtaining automobile downhill in conjunction with the braking information of the automobile, and exports to voice reminder unit；Voice reminder unit receives and broadcasts the suitable speed information.The utility model principle is simple, it is easy to accomplish, the speed in the case of different gradient can effectively be prompted, thus make automobile more smoothly, more safely through too long downhill path section.
Description
Technical field
The utility model belongs to field of automobile control, and in particular to a kind of long descending control system of automobile.
Background technique
With the rapid development of China's transport development cause, road construction is increasing.But due to national landform, landforms,
The limitation of the conditions such as geology, in the unavoidable design for using continuous long descending of some special road sections.Long descending is as special
Different section, is particularly at the more mountainous regions in mountain area section, and due to the effect of gravity and inertia, speed can be getting faster, brake automobile
Distance is longer than general flat road.Existing security risk is more, experience and operative skill, the technology of vehicle to driver
More stringent requirements are proposed for condition.It is assisted using high-tech product, driving safety hidden danger can be efficiently reduced, reduced to the people
The injury of masses' life and the loss of property.
Current long descending safety control system mainly considers braking system, in vehicle long and steep downgrade stage real-time monitoring system
The performance of dynamic system, the normal work of braking system when guaranteeing long descending do not perceive the information and setting safety speed of slopes
The range of degree.Current system has some limitations, and ensures to long descending security control limited.
Utility model content
For reliable control system is had no in the case of the long descending of current automobile, it is long that the utility model provides a kind of automobile
Descending control system, with safe speed during overcoming existing automotive control system that can not provide descending.
For this purpose, the technical solution of the utility model is as follows:
A kind of long descending control system of automobile characterized by comprising
Inertial Measurement Unit feeds back to number for perceiving the slopes angle information of long descending, and by the slopes angle information
According to processing unit；
Data processing unit handles the slopes angle information that the Inertial Measurement Unit is sent, in conjunction with electronic map equipment
The slopes length information of output obtains the suitable vehicle speed information of automobile when descending, and the suitable vehicle speed information is fed back to speed control
Unit processed；
Speed control unit receives the suitable vehicle speed information, when obtaining automobile downhill in conjunction with the braking information of the automobile
Suitable speed information, and export to voice reminder unit；
Voice reminder unit receives and broadcasts the suitable speed information.
Preferably, the Inertial Measurement Unit is mounted on automobile chassis.
Preferably, the model IMU5250B_A of the Inertial Measurement Unit.
Preferably, the data processing unit includes the processor of model ADuC845.
Preferably, the speed control unit includes the digital signal processor of model TMS320VC33.
Preferably, the electronic map equipment is used to the slopes length information of long descending feed back to data processing unit,
The data processing unit is also used to receive and process slopes angle information and slopes length information, obtains the conjunction of automobile when descending
Suitable vehicle speed information.
It preferably, further include the brake monitoring equipment of real-time monitoring automobile brake perfrmance, the brake monitoring equipment is by automobile
Braking-distance figures feed back to speed control unit.
Preferably, the brake monitoring equipment includes brake sensor, the brake analyzer connecting with the brake sensor,
The brake sensor is used to monitor the brake information of auto in Braking, and the brake information is sent to brake analyzer, institute
Brake analyzer is stated to the braking-distance figures for obtaining automobile after brake information analysis.
The utility model has the beneficial effects that
The Inertial Measurement Unit of the utility model can perceive the angle on long slope, and relevant information is fed back to data processing
Unit.Data processing unit combination electronic map information can assess current suitable speed, and velocity information is fed back to speed
Control unit, speed control unit combination velocity information and brake system assessment situation provide reasonable speed, and are mentioned by voice
Unit of waking up carries out voice safety instruction.The utility model principle is simple, it is easy to accomplish, it can be to the speed in the case of different gradient
Effectively prompted, thus make automobile more smoothly, more safely through too long downhill path section.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is the block diagram of the long descending control system of automobile.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
Referring to Fig.1, a kind of long descending control system of automobile is present embodiments provided, it is used on automobile chassis including being mounted on
Property measuring unit, data processing unit, speed control unit, voice reminder unit, electronic map equipment and brake monitoring are set
It is standby, wherein Inertial Measurement Unit feeds back to number for perceiving the slopes angle information of long descending, and by the slopes angle information
According to processing unit；
Data processing unit, the slopes angle information that processing Inertial Measurement Unit is sent, exports in conjunction with electronic map equipment
Slopes length information obtain the suitable vehicle speed information of automobile when descending, and it is single that the suitable vehicle speed information fed back to speed control
Member；
Speed control unit receives suitable vehicle speed information, conjunction when obtaining automobile downhill in conjunction with the braking information of the automobile
Velocity information is managed, and is exported to voice reminder unit；
Voice reminder unit receives and broadcasts suitable speed information；
The slopes length information of long descending can be fed back to data processing unit by electronic map equipment, and data processing unit connects
Slopes angle information and slopes length information are received and handled, the suitable vehicle speed information of automobile when descending is obtained；
Brake monitoring equipment is used for real-time monitoring automobile brake perfrmance, and the braking-distance figures of automobile are fed back to speed control
Unit；Preferably, brake monitoring equipment includes brake sensor, the brake analyzer connecting with the brake sensor, brake
Sensor is used to monitor the brake information of auto in Braking, and the brake information is sent to brake analyzer, and brake analyzer
To the braking-distance figures for obtaining automobile after brake information analysis.
As shown in Figure 1, the output end of the output end of Inertial Measurement Unit, electronic map equipment respectively with data processing unit
Input terminal connection (in actual use, Inertial Measurement Unit and electronic map equipment output data first pass through A/D converter
Retransmit after being converted into digital signal to data processing unit), the output of the output end, brake monitoring equipment of data processing unit
End is connect with the input terminal of speed control unit respectively, and the output end of speed control unit and the input terminal of voice reminder unit connect
It connects.In brake monitoring equipment, the output end of brake sensor is connect with the input terminal of brake analyzer, the analyzer that brakes it is defeated
Outlet is connect with the input terminal of speed control unit.Preferably, the present embodiment data processing unit and speed control unit can
With two-way communication.
It should be noted that data processing unit should include the safety traffic speed of vehicle different gradient, the safety traffic
Speed can be the combination of relevant national standard limitation speed and safety experience value.Present road is stored in electronic map equipment
Relevant information, electronic map combination GPS or Beidou, can provide the relevant information of vehicle driving, such as length, camber etc..Electricity
The length information of current slopes or camber information are converted into digital signal by A/D conversion module by the processor of sub- map device
After export to data processing unit, for data processing unit processing.The electronic map equipment of the present embodiment can be vehicle GPS and lead
Navigate instrument, is also possible to middle control navigation all-in-one machine.
In the present embodiment, it is that Beijing StarNet space reaches that Inertial Measurement Unit, which can select XW-IMU5250, XW-IMU5250,
Science and Technology Co., Ltd. is using MSMS inertia device, the high-precision six-freedom degree Inertial Measurement Unit voluntarily developed.The product
High reliablity, performance are stable, compact-sized.Comprising three angular speed tops using micro mechanical technology processing inside XW-IMU5250
Spiral shell, three high performance accelerometers and high-speed digital video camera circuit.It can be in complete warm range (- 40~75 DEG C), to each
Sensor carries out noise reduction, temperature-compensating, gamma correction and cross coupling compensation.The product has cost performance high, small in size, anti-
Many advantages, such as impact endurance test shock, performance are stable, compact-sized.Certainly, the Inertial Measurement Unit of the present embodiment can also preferred star
The independently developed IMU5250B_A product of observing and controlling Science and Technology Co., Ltd. is opened up, IMU5250B_A is for sale at present, choosing
It can reduction production cost by a relatively large margin with the product of oneself company.
Data processing unit preferably includes the processor and outer net circuit of model ADuC84, and ADuC845 processor is
ADI company newly release embedded with 8052 flash memory MCU of single command cycle, band 24 delta sigma A/D of two-way, 12 D/A and two double
24 data Collection & Processing System chips of high-performance of flexible non-inverting output.The chip interior is integrated, and there are two high-resolution
The delta sigma ADC of rate, 10/8 channel input multiplexer, 8 MCU and program/DataFlash/electrically-erasable memory.Together
When can provide flash/electrically erasable program storage of 62k byte, 4k byte flash/electrically erasable data storage and 2304 bytes
Data RAM.The high frequency clock that ADuC845 can generate a 12.58MHz by latching ring PLL in a piece, to be allowed to run
In 32kHz external crystal-controlled oscillation.
Speed control unit preferably includes the digital signal processor and outer net circuit of model TMS320VC33.
TMS320VC33 digital signal processor is the TMS320VC3X series Floating-point DSP of new generation that TI company releases.It is original
TMS320C31 Floating-point DSP on the basis of develop a lower version of price (15US $), the product with high speed, low-power consumption,
Low cost is easy to develop as distinguishing feature.Since it powers using internal 1.8V, outside 3.3V, thus the original type of power dissipation ratio
Number about an order of magnitude is reduced, and can support the operating rate of up to 150M/FLOPS, is need floating-point to run portable
The ideal DSP device of one of formula products application occasion.TMS320VC33 is encapsulated using 144 foot LQFP quadrangles, has height
The floating-point operation ability of speed, wherein TMS320VC33-150 type when 13ns one-cycle instruction executes the time for 150MFLOPS and
75MIPS；And TMS320VC33-120 type is 120MFLOPS when 17ns one-cycle instruction executes the time；60MIPS, 34k is had
Double static state RAM, are divided into 2 16k × 32 blocks and 2 1k × 32 blocks, the lock for including 5 frequencys multiplication in the piece of × 32 (1.1M)
Phase ring (PLL) clock generator, low-power consumption, when being run at 150MFLOPS, power consumption lower than 200mW, can carry out 16/32 it is whole
Number and 32/40 floating-point operation, on-chip memory can map peripheral hardware, including a serial port, 2 32 bit timing devices and
One DMA, it encapsulated with 144 pin LQFP, have 2 address generators, 8 background registers and 2 background register arithmetic
Unit etc..
Core in view of the present embodiment is the logic control relation between the long descending control system each unit of automobile, thus,
Peripheral circuit is not described in detail in the present embodiment.
The brake monitoring equipment of the present embodiment can select Patent No. 201520278137.3, a kind of entitled automobile intelligence
Master controller in energy brake system；Patent No. 201620241270.6, a kind of entitled electric brake system can also be selected
The controller of system brakes certainly it will be understood by those skilled in the art that brake monitoring equipment may be considered a mature technology
Sensor, brake analyzer can be directly commercially available in the market, thus this embodiment is not repeated.
It may be noted that the Inertial Measurement Unit of the present embodiment, data processing unit, speed control unit, voice reminder unit,
Information exchange between electronic map equipment and brake monitoring equipment can take communication, it is preferred to use serial logical
Letter connection.
The Inertial Measurement Unit of the present embodiment can perceive the angle on long slope, and relevant information is fed back to data processing list
Member.Data processing unit combination electronic map information can assess current suitable speed, and velocity information is fed back to speed control
Unit processed, speed control unit combination velocity information and brake system assessment situation provide reasonable speed, and pass through voice reminder
Unit carries out voice safety instruction.The present embodiment principle is simple, it is easy to accomplish, the speed in the case of different gradient can be carried out
Effectively prompt, thus make automobile more smoothly, more safely through too long downhill path section.
It should be noted that the long descending control system of the automobile of the present embodiment, the output end of data processing unit can be with
Display unit is connected, display unit can be to current road information, vehicle location, current vehicle speed, suitable speed, reasonable speed
Visualization display is carried out, in addition, showing location information of the vehicle in slopes by visualization system.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (8)
1. a kind of long descending control system of automobile characterized by comprising
Inertial Measurement Unit is fed back at data for perceiving the slopes angle information of long descending, and by the slopes angle information
Manage unit；
Data processing unit handles the slopes angle information that the Inertial Measurement Unit is sent, exports in conjunction with electronic map equipment
Slopes length information obtain the suitable vehicle speed information of automobile when descending, and it is single that the suitable vehicle speed information fed back to speed control
Member；
Speed control unit receives the suitable vehicle speed information, conjunction when obtaining automobile downhill in conjunction with the braking information of the automobile
Velocity information is managed, and is exported to voice reminder unit；
Voice reminder unit receives and broadcasts the suitable speed information.
2. the long descending control system of automobile as described in claim 1, which is characterized in that the Inertial Measurement Unit is mounted on vapour
On chassis.
3. the long descending control system of automobile as claimed in claim 1 or 2, which is characterized in that the type of the Inertial Measurement Unit
Number be IMU5250.
4. the long descending control system of automobile as described in claim 1, which is characterized in that the data processing unit includes model
For the processor of ADuC845.
5. the long descending control system of automobile as described in claim 1, which is characterized in that the speed control unit includes model
For the digital signal processor of TMS320VC33.
6. the long descending control system of automobile as described in claim 1, which is characterized in that the electronic map equipment is used for long
The slopes length information of descending feeds back to data processing unit, and the data processing unit is also used to receive and process slopes angle
Information and slopes length information obtain the suitable vehicle speed information of automobile when descending.
7. the long descending control system of automobile as described in claim 1 or 6, which is characterized in that further include real-time monitoring automobile system
The braking-distance figures of automobile are fed back to speed control unit by the brake monitoring equipment of dynamic performance, the brake monitoring equipment.
8. the long descending control system of automobile as claimed in claim 7, which is characterized in that the brake monitoring equipment includes brake
Sensor, the brake analyzer connecting with the brake sensor, the brake sensor are used to monitor the brake of auto in Braking
Information, and the brake information is sent to brake analyzer, the brake analyzer is to obtaining automobile after brake information analysis
Braking-distance figures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385009.2U CN208515586U (en) | 2018-03-20 | 2018-03-20 | A kind of long descending control system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385009.2U CN208515586U (en) | 2018-03-20 | 2018-03-20 | A kind of long descending control system of automobile |
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| Publication Number | Publication Date |
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| CN208515586U true CN208515586U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820385009.2U Active CN208515586U (en) | 2018-03-20 | 2018-03-20 | A kind of long descending control system of automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910888A (en) * | 2019-03-04 | 2019-06-21 | 浙江吉利汽车研究院有限公司 | A kind of vehicle descending control method, device and equipment |
| CN111469666A (en) * | 2020-04-29 | 2020-07-31 | 徐州徐工矿业机械有限公司 | Automatic electric slow-moving system and method for electric drive mining dump truck |
| CN112478040A (en) * | 2020-12-09 | 2021-03-12 | 湖南喜宝达信息科技有限公司 | Downhill speed limiting method for electric bicycle, and computer-readable storage medium |
| CN112783032A (en) * | 2020-12-30 | 2021-05-11 | 东风越野车有限公司 | Exhaust brake control system of unmanned vehicle |
| CN115366909A (en) * | 2022-10-21 | 2022-11-22 | 四川省公路规划勘察设计研究院有限公司 | Dynamic early warning method and device for driver accidents in long and large longitudinal slope section and electronic equipment |
-
2018
- 2018-03-20 CN CN201820385009.2U patent/CN208515586U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910888A (en) * | 2019-03-04 | 2019-06-21 | 浙江吉利汽车研究院有限公司 | A kind of vehicle descending control method, device and equipment |
| CN111469666A (en) * | 2020-04-29 | 2020-07-31 | 徐州徐工矿业机械有限公司 | Automatic electric slow-moving system and method for electric drive mining dump truck |
| CN112478040A (en) * | 2020-12-09 | 2021-03-12 | 湖南喜宝达信息科技有限公司 | Downhill speed limiting method for electric bicycle, and computer-readable storage medium |
| CN112783032A (en) * | 2020-12-30 | 2021-05-11 | 东风越野车有限公司 | Exhaust brake control system of unmanned vehicle |
| CN115366909A (en) * | 2022-10-21 | 2022-11-22 | 四川省公路规划勘察设计研究院有限公司 | Dynamic early warning method and device for driver accidents in long and large longitudinal slope section and electronic equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: Room 601, building 5, China Electronics Xi'an Industrial Park, 1288 caotan 10th Road, Xi'an Economic and Technological Development Zone, 710000, Shaanxi Province Patentee after: SATPRO M&C TECH Co.,Ltd. Address before: Room 101, building D2, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: SATPRO M&C TECH Co.,Ltd. |
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