CN109189047A - A kind of vehicle control expanding element, system and its control method - Google Patents
A kind of vehicle control expanding element, system and its control method Download PDFInfo
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- CN109189047A CN109189047A CN201811057230.6A CN201811057230A CN109189047A CN 109189047 A CN109189047 A CN 109189047A CN 201811057230 A CN201811057230 A CN 201811057230A CN 109189047 A CN109189047 A CN 109189047A
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- vehicle
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- Automation & Control Theory (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of vehicle control expanding elements, system and method.Vehicle control expanding element, comprising: interface module comprising first interface and second interface, wherein first interface is connected to the main control unit of vehicle, and second interface is connected to one or more vehicle control devices；And control module, main control unit will be forwarded to from the vehicle data of one or more vehicle control devices by being configured to control interface module, and the instruction from main control unit is forwarded to one or more vehicle control devices.As the extension of main control unit, vehicle control expanding element cooperates main control unit work, and configuration flexibly, can satisfy different application demand, reduce number of components, reduces failure rate, and overall performance and functional completeness can be improved.
Description
Technical field
The present invention relates to automotive field, particularly a kind of vehicle control expanding element, system and its control method.
Background technique
Current most of automobiles control the various pieces of automobile using ECU (electronic control unit).ECU is also referred to as " row
Vehicle computer ".ECU includes microprocessor (CPU), reservoir (ROM, RAM), input/output interface (I/O), analog-digital converter
(A/D) and the large scale integrated circuits such as shaping and driving.There are many fine and closely woven slots around ECU, connects numerous input and output electricity
Road constitutes the cerebral nerve cental system of automobile.
ECU may have multiple, the different piece of each Self management automobile in the car, and can be handed between each ECU with information
It changes.As automotive circuit diagram degree is higher and higher, and control function is also more and more.If still using point-to-point control
Mode, then very big problem will just be faced by being only routed.Fig. 1 is the automobile-used controlling cable connection schematic diagram of the prior art.With line
Cable increases, and generates probability of malfunction and greatly increases, maintenance cost also will increase.
Summary of the invention
For the technical problems in the prior art, the invention proposes a kind of vehicle control expanding elements, comprising:
Interface module comprising first interface and second interface, wherein first interface is connected to the main control unit of vehicle, second interface
It is connected to one or more vehicle control devices；And control module, being configured to control interface module will be from one or more
The vehicle data of a vehicle control device is forwarded to main control unit, and the instruction from main control unit is forwarded to one or more
A vehicle control device.
Vehicle control expanding element as described above, wherein first interface is bus interface or ether interface.
Vehicle control expanding element as described above, wherein second interface is bus interface, ether interface, switching value connect
One or more of mouth, analog acquisition interface, digital interface and relay output interface.
Vehicle control expanding element as described above, wherein interface module includes multiple second interfaces, wherein at least part
Second interface includes independent driving chip.
Vehicle control expanding element as described above, further comprises arithmetic element, is configured to Auxiliary Control Element
To data or the forwarding of instruction.
Vehicle control expanding element as described above, wherein control unit is configured to that one or more vehicles will be come from
The vehicle data of controller is forwarded to arithmetic element, and is generated according to the calculated result of arithmetic element for one or more
The instruction of vehicle control device, and one or more vehicle controls will be forwarded to for the instruction of one or more vehicle control devices
Device processed.
Vehicle control expanding element as above, wherein arithmetic element is configured to processing high real-time task.
Vehicle control expanding element as above, wherein arithmetic element is configured to the specified task of main control unit.
According to another aspect of the present invention, a kind of vehicle control system is proposed, comprising: main control unit；As described above
Vehicle control expanding element；And one or more vehicle control devices.
Vehicle control system as described above, wherein main control unit is vehicle control ECU.
Vehicle control system as above, wherein one or more vehicle control devices are vehicle part controller.
Vehicle control system as above, wherein one or more vehicle control devices are vehicle system controller.
According to another aspect of the present invention, a kind of control method for vehicle is proposed, comprising: in main control unit, obtain one
Or multiple vehicle condition information；In main control unit, vehicle condition information generates one or more controls and refers to based on one or more
It enables；Vehicle control expanding element as described above is sent by one or more control instructions；And one or more is controlled
Instruction is forwarded to one or more corresponding vehicle processors.
Method as described above, including one or more vehicle condition information come from sensor connected to the main control unit.
Method as described above, including one or more vehicle condition information are extended from vehicle control as described above
One or more vehicle control devices of unit connection.
According to another aspect of the present invention, a kind of control method for vehicle is proposed, comprising: vehicle control as described above
Expanding element receives one or more vehicle condition information；Vehicle control expanding element as described above, is based on one or more
A vehicle condition information generates one or more control instructions；And vehicle control expanding element as described above, by one or
Multiple control instructions are forwarded to one or more corresponding vehicle processors.
As the extension of main control unit, vehicle control expanding element cooperates main control unit work, and configuration is flexible, Ke Yiman
Sufficient different application demand reduces number of components, reduces failure rate, and overall performance and functional completeness can be improved.
Detailed description of the invention
In the following, the preferred embodiment of the present invention will be described in more detail in conjunction with attached drawing, in which:
Fig. 1 is automobile-used controlling cable structural schematic diagram in the prior art；
Fig. 2 is control system for automobile structural schematic diagram according to an embodiment of the invention；
Fig. 3 is expanding element structural schematic diagram according to an embodiment of the invention；
Fig. 4 is control method for vehicle flow chart according to an embodiment of the invention；And
Fig. 5 is extension control method flow chart according to an embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the following detailed description, the particular implementation for being used to illustrate the application as the application a part may refer to
Each Figure of description of example.In the accompanying drawings, similar appended drawing reference describes substantially similar component in different drawings.
Each specific embodiment of the application has carried out description detailed enough following, so that having ability domain-dependent knowledge and skill
The those of ordinary skill of art can implement the technical solution of the application.It should be appreciated that other embodiments or right can also be utilized
The change of embodiments herein progress structure, logic or electrical property.
The present invention proposes the technical solution for increasing expanding element in existing ECU control structure.Pass through expanding element
The control structure of ECU can be simplified, can not only reduce the generation of failure, the actual effect of control can also be improved.
Fig. 2 is the structural schematic diagram of control system for automobile according to an embodiment of the invention.As shown, automobile-used control
System 200 processed includes main control unit 201, expanding element 202 and multiple vehicle control device 203-205.Main control unit 201 can be with
For the ECU of vehicle.In some embodiments, automobile may include multiple main control units 201, for monitoring motoring condition
And the work for multiple systems such as control engine system, transmission system, bodywork system, safe-guard system and alarm system.Expand
The communication that unit 202 is used for data and control instruction is opened up, auxiliary main control unit 201 completes control action.In some embodiments
In, expanding element 202 is also used as individual components, realizes independent operation and control.
According to one embodiment of present invention, expanding element 202 is connect with main control unit 201 using CAN bus mode.
CAN bus communication data strong real-time can greatly improve traffic rate, and it is simple to construct, and maintenance is simple.Certainly, it extends
The communication of unit 202 and main control unit 201 is not limited to CAN bus communication mode, other communication modes, such as fieldbus,
Ether net mode etc. can also be applied.
Expanding element 202 is further communicated with multiple vehicle control device 203-205.Vehicle control device 203-205 may be
Controller of some component of vehicle, such as vehicle window controller, steering lamp controller, brake monitor etc., it is also possible to vehicle
Controller of a system, such as air-conditioner controller, abs controller, active suspension controller etc..Expanding element and vehicle control
Signal between device 203-205 can there are many forms, including but not limited to: bus signals, on-off model, analog quantity letter
Number, digital signal etc..Expanding element 202 receives these signals and formats, and is then forwarded to main control unit 201 again.
In some embodiments, expanding element 202 from multiple vehicle control device 203-205 receive vehicle data and by this
A little data are forwarded to main control unit 201 after format is converted.Expanding element 202 receives from main control unit 201 and is directed to one or more
The instruction of a vehicle control device 203-205 simultaneously converts these instructions into required format and is forwarded to corresponding one or more
Vehicle control device 203-205.
According to one embodiment of present invention, control system for automobile may include multiple main control units.Multiple main control units
Network can be interconnected to form.Each main control unit can be using bus mode connection or the connection of ether net mode, thus
Form the control network of vehicle.Since bus mode or ether net mode are not necessarily to point-to-point wiring, between main control unit with
And bus mode between main control unit and expanding element or ether net mode make the control network layout of vehicle by significantly
Simplify, reduces the probability to break down, can also be improved maintenance efficiency.
In some embodiments, expanding element 202 has computing capability.The function of certain main control units can move down into
Expanding element 202 is executed by expanding element 202.The efficiency that processing not only can be improved in this way improves the real-time of reaction, and
And the calculating task of main control unit can be dispersed, load balancing scheme is provided, prevents main control unit calculation amount from overloading, reduces event
The probability of barrier.According to one embodiment of present invention, the task that expanding element 202 is handled is high real-time task.By these
The processing of business, which moves down into expanding element, can be improved processing speed, reduce delay.According to one embodiment of present invention, it extends
The task of the processing of unit 202 is the task that main control unit 201 distributes.
Fig. 3 is the structural schematic diagram of expanding element according to an embodiment of the invention.As shown, expanding element packet
Include interface module 301, control module 302 and computing module 303.Control module 302 respectively with interface module 301 and operation
Module 303 connects.
According to one embodiment of present invention, interface module 301 includes first interface.Pass through first interface, interface module
301 are connected to main control module.Further, interface module 301 includes one group of second interface.Pass through each second interface, interface
Module 301 is connected to one or more vehicle control devices.First interface is bus interface or ether interface etc..Second interface is
One of bus interface, ether interface, switch interface, analog acquisition interface, digital interface and relay output interface
Or more persons.In some embodiments, each interface in part or all of second interface includes corresponding driving chip, with auxiliary
It helps control module 302 to realize the format conversion of signal, realizes between interface module 301 and multiple vehicle control device 203-205
Communication.Computing module 303 will improve the operational capability and arithmetic speed of expanding element, to guarantee that expanding element can have
Enough computing capabilitys.
In some embodiments, computing module 303 can be one or more embeded processors, processor core, micro-
Type processor, logic circuit, hardware finite state machines (FSM), digital signal processor (DSP) or their combination.Some
In embodiment, computing module 303 is configured to Auxiliary Control Element to data or the forwarding of instruction.In some embodiments
In, the vehicle data from one or more vehicle control device 203-205 is forwarded to computing module 303 by control module 302,
The instruction for one or more vehicle control device 203-205 is generated according to the calculated result of computing module 303, and by needle
One or more vehicle control device 203-205 are forwarded to the instruction of one or more vehicle control device 203-205.Citing and
It says, task handled by computing module 303 is high real-time task or the task that main control unit is specified.
Below by taking Body Control as an example, main control unit 201 is car body controller.Main control unit 201 passes through expanding element
202 connect with multiple vehicle control devices: vehicle window controller 203 turns to lamp controller 204, air-conditioner controller 205.Correspondingly,
Expanding element 202 includes first interface, is connect with main control module 201；One or more second interfaces, respectively with vehicle
Window controller 203 turns to lamp controller 204, the connection of air-conditioner controller 205.Expanding element 202 further includes 302 He of control module
Arithmetic element 303.As it is known by the man skilled in the art, the relevant controller of car body controller 201 is not limited to vehicle window controller
203, lamp controller 204, air-conditioner controller 205 are turned to.Car body controller 201 can also include other controllers, so that
It is more flexible to obtain product, can satisfy the demand of different controls.
Fig. 4 is control method for vehicle flow chart according to an embodiment of the invention.As shown, the control method
400 include the following steps:
In step 410, one or more vehicle condition information are obtained.In some embodiments, one or more automobile shapes
State information is from the sensor being connected directly with main control unit, including but not limited to sensing data, on-off state etc..?
In some embodiments, vehicle condition information comes from one or more vehicle control devices.Vehicle condition letter will be collected in expanding element
Breath is forwarded to main control unit.Expanding element is converted for format and data forwarding, as one or more controllers and master control list
First intermediary, the bridge for information interchange of bearing the responsibility.
In step 420, in main control unit, vehicle condition information, generates one or more controls and refers to based on one or more
It enables.Main control unit recognizes environment surrounding automobile and vehicle running state according to the vehicle condition information of each sensor, according to
Preset algorithm determines corresponding reaction movement.
It is acted to form one or more control instructions according to corresponding reaction in main control unit in step 430.One or
Multiple control instructions realize reaction movement for controlling one or more car body controllers.
In step 440, in expanding element, receives one or more instructions from main control unit and formats,
One or more instruction is forwarded to one or more corresponding controllers, completes reaction movement.Reaction movement object include
Relay, high side switches, bottom edge switch, by-pass switch switching of multichannel of vehicle control device etc..Pass through these object controls
Vehicle control device completes reaction movement.
The above control method is further detailed below by way of vehicle window control system.
When automobilism, precipitation rain fall sensor is mounted on whether automobile external monitoring weather rains, and when rainy, rainfall is passed
The sensor signal that will drench with rain is sent to main control unit.Main control unit makes control instruction according to signal of drenching with rain, and is communicated by main line
Expanding element is sent by control instruction.Expanding element works the lifting motor that control is not turned off vehicle window, so as to be not turned off
Vehicle window is closed.Meanwhile expanding element collects various sensor informations.When rain stops, expanding element will be received from precipitation rain fall sensor
The information that collection comes is sent to bus interface, and main control unit makes corresponding adjustment according to information.
Fig. 5 is extension control method flow chart according to an embodiment of the invention.Extension control method of the present invention
Include the following steps:, in expanding element, to obtain one or more vehicle condition information in step 510.Vehicle condition information is come
From one or more vehicle control devices, the including but not limited to information such as on-off state, analog-digital converter numerical value.
One or more control instructions are generated according to one or more vehicle condition information in step 520.Step 520
It is executed on expanding element.In some embodiments, expanding element includes computing module, may be implemented individually to control with it is simple
Operation can judge according to sensor information synthesis, generate control instruction.
In step 530, one or more control instructions are forwarded on one or more corresponding controllers.Step 530
It is executed on expanding element, control instruction is directly forwarded to one or more vehicle control devices without main control unit
On, complete reaction movement.
Expanding element Active Control Method is illustrated to vehicle interior temperature adjusting below by way of air-conditioner control system.
When automobilism, vehicle interior temperature sensor constantly monitors vehicle interior temperature, and temperature data is transferred to by temperature sensor
Temperature data is transferred to arithmetic element by interface unit, interface unit, and arithmetic element compares temperature data and preset data
It is right, and comparing result is transferred to control unit.If present temperature and preset temperature are high, control unit will assign starting air-conditioning
System condensing unit control instruction, and start compressor to the air compression processing after refrigeration and blown out through blowing mouth,；If existing
Low with preset temperature in temperature, control unit will assign starting air-conditioning system heater control instruction, and start compressor to adding
Air compression processing after heat is simultaneously blown out through blowing mouth.
Above-described embodiment is used for illustrative purposes only, and is not limitation of the present invention, in relation to the general of technical field
Logical technical staff can also make a variety of changes and modification without departing from the present invention, therefore, all equivalent
Technical solution also should belong to scope disclosed by the invention.
Claims (16)
1. a kind of vehicle control expanding element, comprising:
Interface module comprising first interface and second interface, wherein first interface is connected to the main control unit of vehicle, and second connects
Mouth is connected to one or more vehicle control devices；And
Control module, being configured to control interface module will be forwarded to from the vehicle data of one or more vehicle control devices
Main control unit, and the instruction from main control unit is forwarded to one or more vehicle control devices.
2. vehicle control expanding element according to claim 1, wherein first interface is bus interface or ether interface.
3. vehicle control expanding element according to claim 1, wherein second interface is bus interface, ether interface, opens
Measure one or more of interface, analog acquisition interface, digital interface and relay output interface in pass.
4. vehicle control expanding element according to claim 1, wherein interface module includes multiple second interfaces, wherein extremely
Small part second interface includes independent driving chip.
5. vehicle control expanding element according to claim 1, further comprises arithmetic element, it is configured to auxiliary control
Unit processed is to data or the forwarding of instruction.
6. vehicle control expanding element according to claim 5, wherein control unit is configured to that one or more will be come from
The vehicle data of a vehicle control device is forwarded to arithmetic element, and generated for one according to the calculated result of arithmetic element or
The instruction of multiple vehicle control devices, and one or more vehicles will be forwarded to for the instruction of one or more vehicle control devices
Controller.
7. vehicle control expanding element according to claim 6, wherein arithmetic element is configured to processing high real-time times
Business.
8. vehicle control expanding element according to claim 6, wherein arithmetic element is configured to what main control unit was specified
Task.
9. a kind of vehicle control system, comprising:
Main control unit；
Vehicle control expanding element a method as claimed in any one of claims 1-8；And
One or more vehicle control devices.
10. vehicle control system according to claim 9, wherein main control unit is vehicle control ECU.
11. vehicle control system according to claim 9, wherein one or more vehicle control devices are vehicle part control
Device.
12. vehicle control system according to claim 9, wherein one or more vehicle control devices are Vehicular system control
Device.
13. a kind of control method for vehicle, comprising:
In main control unit, one or more vehicle condition information are obtained；
In main control unit, vehicle condition information generates one or more control instructions based on one or more；
Vehicle control expanding element a method as claimed in any one of claims 1-8 is sent by one or more control instructions；And
One or more control instructions are forwarded to one or more corresponding vehicle processors.
14. according to the method for claim 13, including one or more vehicle condition information come from and connect with main control unit
Sensor.
15. according to the method for claim 13, including one or more vehicle condition information are carried out claim 1-8 freely and are appointed
One or more vehicle control devices of the connection of vehicle control expanding element described in one.
16. a kind of control method for vehicle, comprising:
In vehicle control expanding element a method as claimed in any one of claims 1-8, one or more vehicle condition information are received；
In vehicle control expanding element a method as claimed in any one of claims 1-8, vehicle condition information is generated based on one or more
One or more control instructions；And
In vehicle control expanding element a method as claimed in any one of claims 1-8, one or more control instructions are forwarded to one
Or multiple corresponding vehicle processors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811057230.6A CN109189047A (en) | 2018-09-11 | 2018-09-11 | A kind of vehicle control expanding element, system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811057230.6A CN109189047A (en) | 2018-09-11 | 2018-09-11 | A kind of vehicle control expanding element, system and its control method |
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| CN103186109A (en) * | 2011-12-31 | 2013-07-03 | 比亚迪股份有限公司 | Control system for electric automobile and electric automobile with same |
| US20140365028A1 (en) * | 2013-06-07 | 2014-12-11 | Hyundai Motor Company | Vehicle data collecting system |
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| CN202491694U (en) * | 2011-11-15 | 2012-10-17 | 北京千驷驭电气有限公司 | Train traction control system |
| CN103112459A (en) * | 2011-11-17 | 2013-05-22 | 中国北车股份有限公司大连电力牵引研发中心 | Engine control device, engine control system and engine control method |
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