CN105835856B - Active automobile deceleration system - Google Patents
Active automobile deceleration system Download PDFInfo
- Publication number
- CN105835856B CN105835856B CN201610397679.1A CN201610397679A CN105835856B CN 105835856 B CN105835856 B CN 105835856B CN 201610397679 A CN201610397679 A CN 201610397679A CN 105835856 B CN105835856 B CN 105835856B
- Authority
- CN
- China
- Prior art keywords
- connect
- entire car
- car controller
- speed
- vehicle
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
-
- 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
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- 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
- B60W2556/00—Input parameters relating to data
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/11—Passenger cars; Automobiles
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Regulating Braking Force (AREA)
Abstract
A kind of active automobile deceleration system provided by the invention, the entire car controller that is communicated to connect including two signal generation apparatus, with the processing unit of signal generation apparatus communication connection, with the processing unit and it is connect with the entire car controller brake execution unit, described two signal generation apparatus are respectively arranged at the initial segment and ending segment for needing deceleration area of same direction of traffic；Deceleration strip can be removed and can effectively ensure that vehicle control within defined vehicle speed range, to effectively avoid the occupant's abrasion of sense of discomfort and deceleration strip to tire caused by deceleration strip, and the speed for driving into the vehicle for needing deceleration area can strictly be controlled, effectively eliminate security risk caused by exceeding the speed limit in special road section.
Description
Technical field
The present invention relates to a kind of deceleration system more particularly to a kind of active automobile deceleration systems.
Background technology
In vehicle travel process, vehicle is needed slow down simultaneously in extremely defined vehicle speed range in certain special road sections,
Such as turning section, long descending section etc., existing ways of deceleration generally uses deceleration strip that driver is made to slow down, but this
Mode has the disadvantage that：Since deceleration strip is to prompt driver to slow down in the horizontal stripe of road surface setting protrusion, vehicle crosses
It causes decelerating vehicles to travel irregularity when deceleration strip, easily causes the discomfort of occupant, it is even more important that deceleration strip pair
Vehicle tyre has compared with major injury, the abrasion of oversize tyre；And the speed of vehicle cannot be supervised strictly in deceleration area, though
So there is deceleration strip, still serious hypervelocity phenomenon, there are serious security risks.
It is, therefore, desirable to provide a kind of active automobile deceleration system, can remove deceleration strip and can effectively ensure that vehicle
Control is within defined vehicle speed range, to effectively avoid occupant sense of discomfort and deceleration strip pair caused by deceleration strip
The abrasion of tire, and the speed for driving into the vehicle for needing deceleration area can strictly be controlled, it effectively eliminates special
Security risk caused by section is exceeded the speed limit.
Invention content
In view of this, the object of the present invention is to provide a kind of active automobile deceleration system, deceleration strip and energy can be removed
Vehicle control is enough effectively ensured within defined vehicle speed range, to effectively avoid occupant uncomfortable caused by deceleration strip
The abrasion of sense and deceleration strip to tire, and the speed for driving into the vehicle for needing deceleration area can strictly be controlled,
Effectively eliminate security risk caused by exceeding the speed limit in special road section.
A kind of active automobile deceleration system provided by the invention,
The processing unit communicated to connect including two signal generation apparatus, with signal generation apparatus and the processing unit
The entire car controller of communication connection and brake execution unit, described two signal generation apparatus are connect with the entire car controller
It is respectively arranged at the initial segment and ending segment for needing deceleration area of same direction of traffic；
The signal generation apparatus includes vehicle detector, the first speed probe unit, GPRS communication modules, the first processing
Device and the first wireless signal transmission circuit being connect with the first processor, the first speed probe unit and vehicle are visited
The output end for surveying device is connect with first processor, and the first processor is communicated by GPRS communication modules with traffic control center
Connection；
The processing unit includes second wireless singal transmission circuit, the second speed probe unit and vehicle speed processing electricity
Road, the second wireless singal transmission circuit are connect with vehicle speed processing circuit, the second speed probe unit and vehicle speed processing circuit
Connection, the vehicle speed processing circuit are connect with entire car controller；
The brake execution unit includes for generating the magnet exciting coil in magnetic field, leading to for controlling magnet exciting coil and accumulator
The control circuit and master cylinder on road, the control circuit are connect with entire car controller, and the magnet exciting coil is set to braking
Master cylinder bottom outside and magnet exciting coil and master cylinder coaxial arrangement.
Further, the first wireless signal transmission circuit and second wireless singal transmission circuit be zigbee modules or
Bluetooth module.
Further, the vehicle detector is ground induction coil or infrared detector.
Further, the first speed probe unit is electronic speed probe, and the second speed probe unit is velocity sensor
Or acceleration transducer.
Further, the vehicle speed processing circuit includes second processor and the comparator that is connect with second processor, institute
Second processor is stated to connect with the output end of the second speed probe unit and second wireless singal transmission circuit, the comparator
Output end is connect with entire car controller, and the input terminal of the comparator is also connect with second wireless singal transmission circuit.
Further, further include voice prompting device and brake pedal position sensor, the voice prompting device and vehicle control
Device connection processed, the output end of the brake pedal position sensor are connect with entire car controller.
Further, the control circuit includes relay and digital regulation resistance, and the relay and digital regulation resistance are connected
In the access of magnet exciting coil and accumulator, the control terminal of the relay is connect with entire car controller, the digital regulation resistance
It is connect with entire car controller.
Further, the master cylinder includes at least cylinder body, the preceding the cylinder piston being set in cylinder body and is set to cylinder body
The rear end end of interior rear the cylinder piston, the preceding the cylinder piston is coaxially arranged with mandril, and the rear end end of the rear the cylinder piston is fixed
It is provided with piston rod and the pedal gear of the piston rod and automobile is sequentially connected, the rear the cylinder piston leading portion end face is fixedly installed
Connecting plate, the mandril are fixedly connected with connecting plate, and the bottom outside of cylinder body is coaxially arranged with field core, magnet exciting coil coiling
In on field core.
Further, the entire car controller controls the size of the supply current of magnet exciting coil in accordance with the following steps：
S1. current vehicle speed information is obtained, and required braking distance S is judged according to current vehicle speed information；
S2. the brake force Fu braked under current vehicle speed is calculated according to the braking distance S obtained and following formula：
Wherein S is braking distance, and t is that braking system eliminates off time, v0For current vehicle speed, v1For required by current road segment most
High speed, FμFor brake force, g is acceleration of gravity；
S3. according to calculated brake force Fμ, brake force-exciting current table of comparisons is searched, corresponding excitation electricity is searched
Stream, entire car controller control control circuit according to lookup result and work so that magnet exciting coil obtains corresponding exciting current.
Beneficial effects of the present invention：The active automobile deceleration system of the present invention, can remove deceleration strip and can be effective
Ensure vehicle control within defined vehicle speed range, to effectively avoid occupant caused by deceleration strip sense of discomfort and
Abrasion of the deceleration strip to tire, and the speed for driving into the vehicle for needing deceleration area can strictly be controlled, effectively disappear
Security risk caused by except exceeding the speed limit in special road section.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the principle of the present invention block diagram.
Fig. 2 is the signal generation apparatus arrangement schematic diagram of the present invention.
Fig. 3 is the coil arrangement schematic diagram of the present invention.
Specific implementation mode
Fig. 1 is the structural diagram of the present invention, and Fig. 2 is the signal generation apparatus arrangement schematic diagram of the present invention, as shown,
A kind of active automobile deceleration system provided by the invention, including two signal generation apparatus and signal generation apparatus communication link
It the processing unit that connects, the entire car controller communicated to connect with the processing unit and connect braking with the entire car controller and holds
Row unit, described two signal generation apparatus are respectively arranged at the initial segment and the end for needing deceleration area of same direction of traffic
Section；
The signal generation apparatus includes vehicle detector, the first speed probe unit, GPRS communication modules, the first processing
Device and the first wireless signal transmission circuit being connect with the first processor, the first speed probe unit and vehicle are visited
The output end for surveying device is connect with first processor, and the first processor is communicated by GPRS communication modules with traffic control center
Connection；
The processing unit includes second wireless singal transmission circuit, the second speed probe unit and vehicle speed processing electricity
Road, the second wireless singal transmission circuit are connect with vehicle speed processing circuit, the second speed probe unit and vehicle speed processing circuit
Connection, the vehicle speed processing circuit are connect with entire car controller；
The brake execution unit includes for generating the magnet exciting coil 1 in magnetic field, for controlling magnet exciting coil 1 and accumulator
The control circuit and master cylinder of access, the control circuit are connect with entire car controller, and the magnet exciting coil 1 is set to system
Dynamic master cylinder bottom outside and magnet exciting coil and master cylinder coaxial arrangement, as shown in Figure 3；
Wherein, the first wireless signal transmission circuit and second wireless singal transmission circuit are zigbee modules or indigo plant
Tooth module；The vehicle detector is ground induction coil or infrared detector, and vehicle detector setting is originated away from deceleration area
45 meters or so places of section (according to different sections of highway, which can be modified)；The first speed probe unit is electronic speed-determination
Device, electronic speed probe is using existing equipment, such as radar meter, infrared tachymeter etc.；Second speed probe unit is speed
Spend sensor or acceleration transducer；By above structure, deceleration strip can be removed and can effectively ensure that vehicle control exists
Within defined vehicle speed range, to effectively avoid occupant caused by deceleration strip sense of discomfort and deceleration strip to tire
Abrasion, and the speed for driving into the vehicle for needing deceleration area can strictly be controlled, it effectively eliminates super in special road section
Security risk caused by speed, in order to carry out further stringent control to the car speed of special road section, signal generation apparatus is also
It is provided with the camera being connect with first processor, to obtain the license plate number information of over-speed vehicles.
In the present embodiment, the vehicle speed processing circuit includes second processor and the comparison that is connect with second processor
Device, the second processor are connect with the output end of the second speed probe unit and second wireless singal transmission circuit, the ratio
Output end compared with device is connect with entire car controller, and the input terminal of the comparator is also connect with second wireless singal transmission circuit,
Wherein, first processor and second processor are existing microcontroller, and comparator is existing comparator.
Further include voice prompting device and brake pedal position sensor in the present embodiment, the voice prompting device with it is whole
Vehicle controller connects, and the output end of the brake pedal position sensor is connect with entire car controller, passes through this structure, braking
After execution unit executes deceleration, i.e., when vehicle brake exports conducting control command to relay, entire car controller is carried to voice
Show that device exports prompt command, informs that driver carries out deceleration-operation, once to have signal to be output to whole for brake pedal position sensor
Vehicle controller, then the disconnection of vehicle control unit controls relay, switchs to artificial control model.
In the present embodiment, the control circuit includes relay and digital regulation resistance, the relay and digital regulation resistance
It is series in the access of magnet exciting coil and accumulator, the control terminal of the relay is connect with entire car controller, the number electricity
Position device is connect with entire car controller, by this structure, on the one hand can control the break-make of magnet exciting coil, and by full-vehicle control
Device controls the size of the exciting current of magnet exciting coil according to current vehicle speed, to reach suitable braking effect, certainly, number electricity
Position device is programmable digital potentiometer.
In the present embodiment, the master cylinder includes at least cylinder body 4, the preceding the cylinder piston 5 being set in cylinder body 4 and setting
In the rear the cylinder piston 8 in cylinder body 4, the rear end end of the preceding the cylinder piston 5 is coaxially arranged with mandril 6, it is described after after the cylinder piston 8
End end is fixedly installed piston rod 9 and the pedal gear of the piston rod 9 and automobile is sequentially connected, 8 leading portion of the rear the cylinder piston
End face is fixedly installed connecting plate 7, and the mandril 6 is fixedly connected with connecting plate 7, and threaded connection may be used, and can also be used
It is bolted；Certainly, master cylinder further includes other structures, as shown in figure 3, such as inlet valve 11, delivery valve 10, front-bank rotor housing bullet
The structures such as spring 3, belong to the prior art, and not in this to go forth, pass through above structure, during automatic retarding, excitation wire
When the cylinder piston travels forward before the magnetic field absorption that circle generates, so that preceding the cylinder piston is acted simultaneously with rear the cylinder piston, ensure hydraulic oil
The harmony of flowing, overall performance are more stablized；It is coaxially arranged with field core, magnet exciting coil coiling in the bottom outside of cylinder body
In on field core, in order to ensure the piston action in cylinder body, at least before the cylinder piston be made of iron cobalt nickel alloy, among the above
Lower section in preceding finger Fig. 3.
In the present embodiment, the entire car controller controls the size of the supply current of magnet exciting coil in accordance with the following steps：
S1. current vehicle speed information is obtained, and required braking distance S is judged according to current vehicle speed information, wherein braking
Distance can be calculated according to existing formula, can also be compareed inside table search, such as traffic regulations by speed-braking distance
Speed be 100km/h when, braking distance determines the table of comparisons not less than 45 meters of isotactics, can also according to actual tests setting pair
According to table；
S2. the brake force F braked under current vehicle speed is calculated according to the braking distance S obtained and following formulaμ：
Wherein S is braking distance, and t is that braking system eliminates off time, v0For current vehicle speed, v1For required by current road segment most
High speed, FμFor brake force, g is acceleration of gravity；
S3. according to calculated brake force Fμ, brake force-exciting current table of comparisons is searched, corresponding excitation electricity is searched
Stream, entire car controller control control circuit according to lookup result and work so that magnet exciting coil obtains corresponding exciting current, wherein
Brake force-exciting current table of comparisons is pre-stored in entire car controller, is obtained by actual tests, by the above-mentioned means, can protect
The accurate exciting current of acquisition of magnet exciting coil, on the one hand guarantees to achieve the purpose that deceleration during card automatic retarding,
On the other hand ensure the ride comfort of vehicle traveling.
The operation principle of the present invention is described further below：
As shown in Fig. 2, signal generation apparatus is needing the section slowed down to be arranged along garage direction, when vehicle drives into need to subtract
It when fast section, is exported in detection signal to first processor by vehicle detector, it is single that first processor obtains the detection of the first speed
The speed signal of member output simultaneously judges whether current vehicle is more than setting speed, if so, generating deceleration enabling signal and by the
One wireless signal transceiver module is sent out, and second wireless singal transceiver module receives deceleration enabling signal, and (signal, which includes at least, works as
The max. speed of preceding section defined) after, the speed of current vehicle is detected by the second speed probe unit, passes through second processor
After speed signal processing, it is input in comparator compared with regulation max. speed, if current vehicle speed is less than regulation speed,
Comparator does not export any information to entire car controller, if current vehicle speed is more than regulation speed, comparator is by comparison result
(including the speed information of current vehicle and hypervelocity information) is input in entire car controller, and entire car controller is according to overspeed condition
And the control relay conducting of current vehicle speed situation, and control digital regulation resistance and go to respective resistance values, to make magnet exciting coil obtain
Corresponding exciting current is obtained, after exciting current generates magnetic field, the preceding the cylinder piston 3 adsorbed in brake cylinder casing acts, main to reach
The dynamic purpose slowed down since magnetic field speed reduction has certain effect in initial deceleration, but carries out vehicle in order to further good
Good control and deceleration, when vehicle brake exports conducting control command to relay, entire car controller is defeated to voice prompting device
Go out prompt command, informs that driver carries out deceleration-operation, once brake pedal position sensor has signal to be output to full-vehicle control
Device, then the disconnection of vehicle control unit controls relay, switchs to artificial control model；After speed declines, the second speed probe unit
Still it works, and judges whether to exceed the speed limit by comparing device, if overspeed signal is sent to second processor by hypervelocity, comparator,
Speed letter is sent to the signal generation apparatus of special road section ending segment by second wireless singal transmission circuit from second processor
Breath (speed information includes speed and license plate number), signal generation apparatus are sent by GPRS module to traffic control center super
Fast signal；The initial segment of special road section and ending segment detect speed situation again by the first speed probe unit, and to traffic
Administrative center sends hypervelocity information；After vehicle drives to ending segment, the signal generation apparatus of ending segment, which generates to slow down, terminates letter
It number is sent to second processor, second processor, which is sent by comparing device to entire car controller, terminates control of slowing down.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (7)
1. a kind of active automobile deceleration system, it is characterised in that：Lead to including two signal generation apparatus, with signal generation apparatus
Believe the processing unit of connection, connect system with the entire car controller of processing unit communication connection and with the entire car controller
Dynamic execution unit, described two signal generation apparatus are respectively arranged at the initial segment and knot for needing deceleration area of same direction of traffic
Beam section；
The signal generation apparatus include vehicle detector, the first speed probe unit, GPRS communication modules, first processor with
And the first wireless signal transmission circuit being connect with the first processor, the first speed probe unit and vehicle detector
Output end connect with first processor, the first processor passes through GPRS communication modules and traffic control center communication link
It connects；
The processing unit includes second wireless singal transmission circuit, the second speed probe unit and vehicle speed processing circuit, institute
Second wireless singal transmission circuit to be stated to connect with vehicle speed processing circuit, the second speed probe unit is connect with vehicle speed processing circuit,
The vehicle speed processing circuit is connect with entire car controller；The vehicle speed processing circuit includes second processor and and second processing
The comparator of device connection, the output end of the second processor and the second speed probe unit and second wireless singal transmission circuit
Connection, the output end of the comparator are connect with entire car controller, and the input terminal of the comparator is also received with second wireless singal
Power Generation Road connects；
The brake execution unit includes for generating the magnet exciting coil in magnetic field, for controlling magnet exciting coil and accumulator access
Control circuit and master cylinder, the control circuit are connect with entire car controller, and the magnet exciting coil is set to master cylinder
Bottom outside and magnet exciting coil and master cylinder coaxial arrangement；The master cylinder includes at least cylinder body, is set in cylinder body
Preceding the cylinder piston and the rear the cylinder piston being set in cylinder body, the rear end end of the preceding the cylinder piston is coaxially arranged with mandril, described
The rear end end of the cylinder piston is fixedly installed piston rod afterwards and the pedal gear of the piston rod and automobile is sequentially connected, the rear cylinder
Piston leading portion end face is fixedly installed connecting plate, and the mandril is fixedly connected with connecting plate, the bottom outside coaxial arrangement of cylinder body
There are field core, magnet exciting coil to be wound on field core.
2. active automobile deceleration system according to claim 1, it is characterised in that：The first wireless signal transmission circuit
It is zigbee modules or bluetooth module with second wireless singal transmission circuit.
3. active automobile deceleration system according to claim 1, it is characterised in that：The vehicle detector is ground induction coil
Or infrared detector.
4. active automobile deceleration system according to claim 1, it is characterised in that：The first speed probe unit is electricity
Sub- velometer, the second speed probe unit are velocity sensor or acceleration transducer.
5. active automobile deceleration system according to claim 1, it is characterised in that：Further include voice prompting device and braking
Pedal position sensor, the voice prompting device are connect with entire car controller, the output end of the brake pedal position sensor
It is connect with entire car controller.
6. active automobile deceleration system according to claim 1, it is characterised in that：The control circuit include relay and
Digital regulation resistance, the relay and digital regulation resistance are series in the access of magnet exciting coil and accumulator, the relay
Control terminal is connect with entire car controller, and the digital regulation resistance is connect with entire car controller.
7. active automobile deceleration system according to claim 1, it is characterised in that：The entire car controller is according to following step
The size of the supply current of rapid control magnet exciting coil：
S1. current vehicle speed information is obtained, and required braking distance S is judged according to current vehicle speed information；
S2. the brake force Fu braked under current vehicle speed is calculated according to the braking distance S obtained and following formula：
Wherein S is braking distance, and t is that braking system eliminates off time, v0For current vehicle speed, v1For required by current road segment most
High speed, FμFor brake force, g is acceleration of gravity；
S3. according to calculated brake force Fμ, brake force-exciting current table of comparisons is searched, corresponding exciting current is searched, it is whole
Vehicle controller controls control circuit according to lookup result and works so that magnet exciting coil obtains corresponding exciting current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397679.1A CN105835856B (en) | 2016-06-07 | 2016-06-07 | Active automobile deceleration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397679.1A CN105835856B (en) | 2016-06-07 | 2016-06-07 | Active automobile deceleration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105835856A CN105835856A (en) | 2016-08-10 |
| CN105835856B true CN105835856B (en) | 2018-09-04 |
Family
ID=56575544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610397679.1A Expired - Fee Related CN105835856B (en) | 2016-06-07 | 2016-06-07 | Active automobile deceleration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105835856B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264533A (en) * | 2017-02-10 | 2017-10-20 | 问众智能信息科技（北京）有限公司 | The method and apparatus of automobile automatic retarding |
| CN110103907A (en) * | 2019-03-26 | 2019-08-09 | 中北大学 | Active vehicle Blocking Device |
| CN111688691B (en) * | 2019-12-03 | 2021-09-24 | 矩阵数据科技(上海)有限公司 | Intelligent driving data parameter adjusting system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073062A (en) * | 1995-05-31 | 2000-06-06 | Fujitsu Limited | Mobile terminal and moving body operation management system |
| JP4749950B2 (en) * | 2006-06-27 | 2011-08-17 | 本田技研工業株式会社 | Brake device for vehicle |
| CN200964105Y (en) * | 2006-10-26 | 2007-10-24 | 许翊像 | Multifunctional automobile thumber |
| CN101882374A (en) * | 2009-05-04 | 2010-11-10 | 上海宝康电子控制工程有限公司 | System and method for analysis of comprehensive information on vehicle trip distribution |
| CN202448761U (en) * | 2011-12-08 | 2012-09-26 | 长安大学 | Automobile speed limiting device of highway |
| CN202710585U (en) * | 2012-08-21 | 2013-01-30 | 徐州工程学院 | Infrared laser velocity measuring device |
-
2016
- 2016-06-07 CN CN201610397679.1A patent/CN105835856B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105835856A (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107856764B (en) | Trailer for measuring operating characteristics of a vehicle | |
| CN105835856B (en) | Active automobile deceleration system | |
| CN106740836A (en) | Vehicle collision transient state kinetic energy cuts down magnetic buffering system and method | |
| CN204801768U (en) | Driver status monitoring device | |
| CN104627180A (en) | Semi-active cruise control system and method | |
| CN104973052A (en) | Speed bump detection apparatus and navigation data updating apparatus and method using the same | |
| CN107730937A (en) | The tunnel gateway dynamic vehicle speed abductive approach that a kind of street accidents risks minimize | |
| CN102582510A (en) | Automatic warning tail lamp | |
| CN204506886U (en) | A kind of half cruise active control system | |
| CN103568941A (en) | Automobile driving control device and automobile driving control method | |
| CN103747571A (en) | Vehicle speed based brake lamp automatic control method and control apparatus | |
| CN109849783A (en) | A kind of complemental brake system and control method of active anti-reverse collision | |
| CN102922963A (en) | Automatic automobile tire pressure adjusting system and automobile | |
| CN103434505A (en) | Automobile brake safety prompting method and system | |
| CN205553927U (en) | Electric motor car with intelligent control | |
| CN103723105B (en) | All-round full-automatic bus Safety protective device for motor vehicle | |
| CN104018445A (en) | Electromagnetism speed reduction device and method | |
| CN104369728A (en) | Automotive active braking system | |
| CN104369729A (en) | Active automobile braking method | |
| CN108327578A (en) | A kind of electric vehicle monitoring system and its control method | |
| CN209479689U (en) | A kind of rail vehicle is dynamic to adjust terminal early warning security system | |
| CN104143268A (en) | Collision avoidance system and method for automobile | |
| CN205665889U (en) | Active car speed reduction reminder system | |
| CN105150927A (en) | Overtaking blind spot monitoring system based on radar sensing | |
| CN109532953A (en) | The overcrowding alarm method of motor train unit train |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210607 |