CN106274753A - The multiple information shared system of a kind of automobile auxiliary security and decision method - Google Patents
The multiple information shared system of a kind of automobile auxiliary security and decision method Download PDFInfo
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- CN106274753A CN106274753A CN201610815138.6A CN201610815138A CN106274753A CN 106274753 A CN106274753 A CN 106274753A CN 201610815138 A CN201610815138 A CN 201610815138A CN 106274753 A CN106274753 A CN 106274753A
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- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 claims abstract description 64
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims description 4
- 241001269238 Data Species 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The present invention discloses multiple information shared system and the decision method of a kind of automobile auxiliary security, sensor is separated by it with ADAS equipment, the isolated node being all considered as on network, and the data of sensor are directly broadcasted on network, it is available for all of equipment to use, can reach the purpose that sensor is shared.The present invention separates ADAS sensor and equipment, all of sensor and equipment are all considered as the node on network, sensor uses identical network interface and protocol format with equipment, the data of sensor share on the network in a broadcast manner, all of ADAS equipment all may utilize different sensing datas carry out multiple information decision-making effectively evade different sensors shortcoming reduce erroneous judgement situation.Owing to all of sensor shares on the network, every kind of ADAS equipment is no longer necessary to independent sensing system, considerably increases the multiplexing efficiency of sensor, reduces the holistic cost of system.
Description
Technical field
The open a kind of automobile information shared system of the present invention and method, the multiple information of a kind of automobile auxiliary security
Shared system and decision method, belong to vehicle electric field.
Background technology
Along with vehicle intellectualized development, various ADAS(supplementary security system) it is widely used in the car.
These ADAS equipment often use various novel sensor (such as photographic head, radar, infrared etc.) as vehicle environmental perception
Interface.
Currently used ADAS equipment (such as: lane shift early warning system, front truck anti-collision early warning system, blind monitoring system,
Pedestrian's identification system etc.) major part use unique type sensor carry out target acquisition.Detection type generally comprises: pedestrian
Or the detection of object detection, speed spacing, lane line and traffic sign detection etc..But, different sensors often has it intrinsic
Shortcoming, as radar to distinguish vertical direction overlapped objects ability more weak, environmental requirement height is easily subject to by infrared sensor
The impact of the adverse weathers such as sleet sand and dust, the detection angle of photographic head is easily limited by hardware installation, judgement of adjusting the distance is more weak.
These shortcomings reflect application in often produce erroneous judgement, make user produce distrust, the judgement to user causes burden, even
Cause safety problem in some cases.For effectively evading the shortcoming of all kinds sensor, reduce erroneous judgement situation, need to use
Sensor carries out multiple information collection and decision-making.
Refer to accompanying drawing 1, accompanying drawing 1 show the network structure that different ADAS equipment is constituted, general ADAS equipment
Sensor and the process of data, hop Integral design, sensor monopolized by certain equipment, and equipment directly gathers sensor letter
Number carry out calculation process, directly the result of computing is sent.The ADAS equipment installed along with vehicle increases, and various sensors use
Increasing number, on the one hand cause the complexity of installation, on the other hand also make cost significantly increase.
Summary of the invention
Separate independent design for of the prior art different ADAS equipment mentioned above, cause lacking of repeated construction
Point, the present invention provides multiple information shared system and the decision method of a kind of automobile auxiliary security, and sensor and ADAS are set by it
Back-up from, be all considered as the isolated node on network, the data of sensor directly on network broadcast, be available for all of equipment and make
With, can reach the purpose that sensor is shared.
The present invention solves its technical problem and the technical scheme is that the multiple information of a kind of automobile auxiliary security shares system
System, this system include automobile central control system, display screen, car internal bus network, more than one sensor node and one with
On ADAS device node, display screen is connected on automobile central control system, and car internal bus network is connected with automobile central control system, vapour
Car central control system is connected with data sharing network bus, and it is total that sensor node and ADAS equipment are connected to data sharing network
On line, sensor node includes that sensor, sensor input, figure/data coding module and sensor network control
Device interface, sensor is connected on sensor input, and sensor input is connected in figure/data coding module,
Figure/data coding module is connected with sensor network controller interface, and sensor network controller interface is connected to data altogether
Enjoying on network-bus, ADAS equipment includes CPU and ADAS network controller interface, ADAS network controller interface
Connecting on the central processing unit, ADAS network controller interface is connected with data sharing network bus.
The multiple information of a kind of automobile auxiliary security shares decision method, and decision method uses above-mentioned automobile auxiliary security
Multiple information shared system, all of sensor and equipment use identical interface and procotol, including sensor node
Workflow and the workflow of ADAS device node, the workflow of sensor node is: sensor node passes through sensor
Signal input interface obtains the signal of sensor, changes into digital form through image/data encoding, and according to the network set
Data are packed by protocol format, are then transmitted data in data sharing bus network by network controller interface；ADAS
The work process of device node is: ADAS equipment receives all numbers shared on data sharing network by network controller interface
According to, the data received are resolved by the CPU in ADAS equipment, and the result according to being resolved to determines whether
Data that this node needs and the source of data and data type, determine after Data Source and data type decoding data
Work, decoded result by with together with data in the car that automobile central control system obtains, participate in computing and decision-making, ADAS equipment
In CPU again the result of computing and decision-making is transferred in bus network for automobile by network controller interface
Use.
The present invention solves the technical scheme of its technical problem employing and further comprises:
Described sensor includes by one or more in photographic head, radar and infrared sensor.
Described ADAS equipment uses 360 ° of panoramic parking systems, blind area monitoring system, reverse image system, driving recording
One or more in instrument, deviation auxiliary monitoring system, front truck CAS.
Described data sharing network bus uses CAN, LIN bus or VAN bus.
Described network protocol format at least includes following data: (1), packet header, packet header is for representing bag data
Start；(2), node type, node type is for representing the type of this node device；(3), node ID, for node device distribute
Unified ID address；(4), data length, data length represents the byte number of the valid data in a packet；(5), effective
Data, data in i.e. one packet；(6), verifying, verification represents that the integrity to data verifies.
The invention has the beneficial effects as follows: the present invention separates ADAS sensor and equipment, by all of sensor and
Equipment is all considered as the node on network, sensor and equipment and uses identical network interface and protocol format, the number of sensor
According to sharing on the network in a broadcast manner, all of ADAS equipment all may utilize different sensing datas and carries out multiple information
Decision-making is effectively evaded the shortcoming of different sensors and is reduced erroneous judgement situation.Owing to all of sensor shares on the network, every kind
ADAS equipment is no longer necessary to independent sensing system, considerably increases the multiplexing efficiency of sensor, reduces the entirety of system
Cost.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the network structure that different ADAS equipment of the prior art is constituted.
Fig. 2 is the network structure that present system is constituted.
Fig. 3 is inventive sensor intra-node structural representation.
Fig. 4 is ADAS equipment inner structure schematic diagram of the present invention.
Detailed description of the invention
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or near with basic structure
As, all within scope.
Incorporated by reference to referring to accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the present invention mainly includes automobile central control system, display screen, car
Internal bus network, more than one sensor node and more than one ADAS device node, display screen connects in the car
On Ore-controlling Role, car internal bus network is connected with automobile central control system, (being included: rotating speed, speed, oil temperature, air bag feelings by information of vehicles
Condition, cell condition etc. etc.) it is transferred to automobile central control system, automobile central control system drives display screen to show, in automobile
Ore-controlling Role is connected with data sharing network bus, can accept data the data of other equipment in shared network-bus, it is also possible to will
Controlling data by data sharing network bus transfer to other equipment, sensor node and ADAS equipment are connected to data
Sharing on network-bus, in the present embodiment, sensor node includes sensor, sensor input, figure/data encoding mould
Block and sensor network controller interface, sensor includes with photographic head, radar and infrared sensor etc., sensor connection
On sensor input, by sensor input output transducer information, sensor input be connected to figure/
In data coding module, by figure/data coding module, the detection signal of sensor is converted into digital signal (if sensed
Device uses photographic head, then figure/data coding module uses encoding of graphs module, if sensor uses radar or infrared sensing
Device etc., then figure/data coding module uses data coding module), figure/data coding module matches with corresponding sensor
Closing, for sensor detection signal is converted into digital signal, figure/data coding module is connected with network controller interface,
By sensor network controller interface, sensor signal can be transferred in data sharing network bus, pass through Data Sharing Network
Network bus carries out data sharing, and in the present embodiment, ADAS equipment can use 360 ° of panoramic parking systems, blind area monitoring system, fall
One or more in car image system, drive recorder, deviation auxiliary monitoring system, front truck CAS etc., ADAS
Equipment the most all includes CPU and ADAS network controller interface, and its CPU is according to ADAS equipment not
With, using different CPU, CPU can be selected for the ADAS equipment of function of the same race of the prior art
Respective handling module, ADAS network controller interface connects on the central processing unit, can pass through ADAS network controller interface
Being connected with data sharing network bus, in the present embodiment, data sharing network bus can use CAN, LIN bus or VAN
Bus etc., when being embodied as, specifically chosen also according to practical situation.
Sensor is separated by the present invention with ADAS equipment, is all considered as the isolated node on data sharing network, sensor
Data directly on data sharing network broadcast (being i.e. sent to each node with the forms of broadcasting), be available for all of ADAS equipment
Node uses, and can reach the purpose that sensor is shared, simultaneously because the data of sensor are shared completely, each ADAS equipment
Whole data can be used to carry out multiple information decision-making.As a example by front truck CAS, system can be judged by photographic head
Whether vehicle traveling direction has other vehicle and current pavement behavior, by distance and the relative velocity of radar detection front truck,
Obtaining vehicle absolute velocity and vehicle body loading condition by CAN, the most comprehensive all data of system carry out the fortune of multiple information
Calculate and decision-making, it is determined whether have the danger of collision.
The multiple information of the automobile auxiliary security in the present invention share decision method include sensor node workflow and
The workflow of ADAS device node, wherein, in the present invention, all of sensor uses identical interface and network association with equipment
View, wherein
The workflow of sensor node is as follows:
Sensor node obtains the signal of sensor (such as photographic head, radar, infrared etc.), warp by sensor signal input interface
After crossing image/data encoding, image/data are changed into digital form, and according to the unified network protocol format set by number
According to packing, then transmitted data in bus network by network controller interface.
In the present embodiment, network protocol format at least includes following data:
1, packet header, packet header is for representing the beginning of bag data；
2, node type, node type is for representing the type of this node device；
3, node ID, for the unified ID address of node device distribution；
4, data length, data length represents the byte number of the valid data in a packet；
5, valid data, data in i.e. one packet；
6, verification, verification represents that the integrity to data verifies.
In the present embodiment, for the signal of dissimilar sensor can be distinguished, need to comprise node type in procotol
Field, it represents sensor in digitally encoded form is photographic head, radar, the infrared or sensor of other classification.
Owing to the most same type of sensor may have multiple, for distinguishing Data Source in which sensor,
Need to distribute unique ID to each node, indicate its identity.ADAS equipment receive data after with this field to determine number
According to source.
The work process of ADAS device node is as follows:
ADAS equipment receives all data shared on data sharing network by network controller interface, in ADAS equipment in
The data received are resolved by Central Processing Unit, according to the result being resolved to determine whether data that this node needs and
The source of data and data type, work to decoding data after determining Data Source and data type, decoded result
By with together with data in the car that automobile central control system obtains, participate in computing and decision-making, the CPU in ADAS equipment is again
The result of computing and decision-making is transferred in bus network for car use by network controller interface.
From whole work process it can be seen that the data sensor, ADAS equipment, automobile bus network are total by sharing
Gauze network has carried out maximum data sharing, is simultaneously based on this data sharing ADAS equipment and can gather sensor number
Multiple information integrated decision-making is carried out according to data in, car.
The present invention separates ADAS sensor and equipment, all of sensor and equipment is all considered as on network
Node；Sensor uses identical network interface and protocol format with equipment；The data of sensor are in a broadcast manner at network
Upper shared；All of ADAS equipment all may utilize different sensing datas to carry out multiple information decision-making and effectively evades different sensing
The shortcoming of device reduces erroneous judgement situation.
Due to the fact that all of sensor shares on the network, every kind of ADAS equipment is no longer necessary to independent sensor system
System, considerably increases the multiplexing efficiency of sensor, reduces the holistic cost of system.
Claims (6)
1. a multiple information shared system for automobile auxiliary security, is characterized in that: described system include automobile central control system,
Display screen, car internal bus network, more than one sensor node and more than one ADAS device node, display screen connects
In the car on Ore-controlling Role, car internal bus network is connected with automobile central control system, and automobile central control system is total with data sharing network
Line connects, and sensor node and ADAS equipment is connected in data sharing network bus, sensor node include sensor,
Sensor input, figure/data coding module and sensor network controller interface, it is defeated that sensor is connected to sensor
On incoming interface, sensor input is connected in figure/data coding module, figure/data coding module and sensor network
Network control unit interface connects, and sensor network controller interface is connected in data sharing network bus, during ADAS equipment includes
Central Processing Unit and ADAS network controller interface, ADAS network controller interface connects on the central processing unit, ADAS net
Network control unit interface is connected with data sharing network bus.
The multiple information shared system of automobile auxiliary security the most according to claim 1, is characterized in that: described sensor
Including one or more used in photographic head, radar and infrared sensor.
The multiple information shared system of automobile auxiliary security the most according to claim 1, is characterized in that: described ADAS sets
Standby 360 ° of panoramic parking systems of employing, blind area monitoring system, reverse image system, drive recorder, deviation auxiliary monitoring
One or more in system, front truck CAS.
The multiple information shared system of automobile auxiliary security the most according to claim 1, is characterized in that: described data are altogether
Enjoy network-bus and use CAN, LIN bus or VAN bus.
5. the multiple information of automobile auxiliary security shares a decision method, it is characterized in that: described decision method uses such as power
Profit requires the multiple information shared system of the automobile auxiliary security in 1 to 4 described in any one, and all of sensor and equipment are adopted
By identical interface and procotol, including sensor node workflow and the workflow of ADAS device node,
The workflow of sensor node is: sensor node obtains the signal of sensor by sensor signal input interface,
Change into digital form through image/data encoding, and according to the network protocol format set, data are packed, then pass through net
Network control unit interface transmits data in data sharing bus network；
The work process of ADAS device node is: ADAS equipment is received by network controller interface to be shared on data sharing network
All data, the data received are resolved by the CPU in ADAS equipment, and the result according to being resolved to is sentenced
Whether disconnected be the data that need of this node and the source of data and data type, determines after Data Source and data type data
Be decoded work, decoded result by with together with data in the car that automobile central control system obtains, participate in computing and decision-making,
The result of computing and decision-making is transferred to bus network by network controller interface by CPU in ADAS equipment again
Upper for car use.
The multiple information of automobile auxiliary security the most according to claim 5 shares decision method, it is characterized in that: described net
Network protocol format at least includes following data: (1), packet header, packet header is for representing the beginning of bag data；(2), node class
Type, node type is for representing the type of this node device；(3), node ID, for node device distribution unified ID address；
(4), data length, data length represents the byte number of the valid data in a packet；(5), valid data, i.e. one number
According to data in bag；(6), verifying, verification represents that the integrity to data verifies.
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| CN201610815138.6A CN106274753A (en) | 2016-09-09 | 2016-09-09 | The multiple information shared system of a kind of automobile auxiliary security and decision method |
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| CN201610815138.6A CN106274753A (en) | 2016-09-09 | 2016-09-09 | The multiple information shared system of a kind of automobile auxiliary security and decision method |
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| CN109348433A (en) * | 2018-11-23 | 2019-02-15 | 深圳市椰壳信息科技有限公司 | A kind of sensor information sharing method and system based on Bluetooth broadcast |
| CN110443910A (en) * | 2018-05-03 | 2019-11-12 | 北京京东尚科信息技术有限公司 | Method for monitoring state, system, equipment and the storage medium of unmanned device |
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