CN109739129A - Automatic transmission network administration apparatus and method - Google Patents
Automatic transmission network administration apparatus and method Download PDFInfo
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- CN109739129A CN109739129A CN201811652693.7A CN201811652693A CN109739129A CN 109739129 A CN109739129 A CN 109739129A CN 201811652693 A CN201811652693 A CN 201811652693A CN 109739129 A CN109739129 A CN 109739129A
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Abstract
The present invention provides a kind of automatic transmission network administration apparatus and methods, it is related to vehicle CAN bus signal transmission technology field, including controller, program writing module and CAN transceiver module, program writing module and CAN transceiver module are connect with controller respectively, for CAN signal Transformation Program to be imported and debugged to controller；The CAN signal that CAN transceiver module is used to send the first vehicle CAN bus is received and transmitted, and the CAN signal sent to the electrical control unit of automatic transmission of the second vehicle is received and transmitted；Controller is used to convert first the first CAN signal of vehicle to the second CAN signal of the second vehicle, converts corresponding second CAN signal of the electrical control unit of automatic transmission of the second vehicle to the first CAN signal of the first vehicle.The present invention can convert the CAN network signal of target vehicle to the identifiable CAN network signal of automatic transmission, and it is not necessary to modify electrical control unit of automatic transmission bottom software and application layer softwares, to reduce development cost, shorten the development cycle, structure is simple, and debugging is convenient, maintainable good.
Description
Technical field
The present invention relates to vehicle CAN bus signal transmission technology fields, more particularly, to a kind of automatic transmission network pipe
Manage device and method.
Background technique
Automatic transmission is the key components and parts of vehicle dynamical system, by mechanical system, hydraulic system and electric-control system three
Most of composition.Electrical control unit of automatic transmission (Transmission Control Unit, abbreviation TCU) is used as fluid drive
The core of device electric-control system, including TCU hardware, bottom software (operating system, task management system, input/output interface and from
Diagnostic system) and application software (input/output interface and control function module).Wherein, the input/output interface of bottom software connects
The signal of receipts include sent in vehicle CAN network each ECU (Electronic Control Unit, electronic control unit,
Refer to automobile specified microcomputerized controller) message information and the obtained information of automatic transmission acquisition sensor signal, and for not
Same vehicle vehicle CAN network is different, if it is not that this vehicle CAN network is sent that electrical control unit of automatic transmission is received
Information, it is wrong for will result in the obtained CAN signal value of parsing.It is every at present to develop a kind of vehicle and remodify bottom
Software, at high cost for vehicle at the experimental stage, the development cycle is long.
Summary of the invention
In view of this, can be incited somebody to action the purpose of the present invention is to provide a kind of automatic transmission network administration apparatus and method
The CAN network signal of target vehicle is converted into the identifiable CAN network signal of electrical control unit of automatic transmission, and it is not necessary to modify automatic
Speed changer electronic control unit bottom software and application layer software shorten the development cycle to reduce development cost, and structure is simple, adjust
Examination is convenient, maintainable good.
In a first aspect, the embodiment of the invention provides a kind of automatic transmission network administration apparatus, comprising: controller, journey
Sequence writes with a brush dipped in Chinese ink module and CAN transceiver module, and described program is write with a brush dipped in Chinese ink module and the CAN transceiver module and connected respectively with the controller
It connects；
Described program writes with a brush dipped in Chinese ink module for importing CAN signal Transformation Program to the controller, and converts journey to the CAN
Sequence is debugged；
The CAN transceiver module is used to be received and transmitted the CAN signal that the CAN bus of the first vehicle is sent, with
And the CAN signal sent to the electrical control unit of automatic transmission of the second vehicle is received and transmitted；
The controller is used to convert the first CAN signal of first vehicle by the CAN signal Transformation Program
For corresponding second CAN signal of electrical control unit of automatic transmission of the second vehicle, and by the fluid drive of second vehicle
Corresponding second CAN signal of device electronic control unit is converted into the first CAN signal that the CAN bus of the first vehicle can identify.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating program writing module includes BDM debugger, resistance R105, resistance R107 and resistance R121, the one end the resistance R105 and institute
The connection of the one end resistance R107 is stated, the resistance R105 other end connects with first pin of BDM debugger and third pin respectively
It connects；6th pin of the other end of the resistance R107 and the BDM debugger connects power supply jointly；The 4th pin of the BDM
One end of connecting resistance R121, another termination power of the resistance R121, the second pin ground connection of the BDM debugger.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
Stating CAN transceiver module includes CAN transceiver, resistance R10, resistance R11, resistance R12, capacitor C7 and capacitor C8, the resistance R10
One end connect with the 8th pin of the CAN transceiver, the third that one end of the capacitor C7 connects the CAN transceiver is drawn
The second pin of foot, the other end and the CAN transceiver, the other end of the resistance R10 are grounded；The of the CAN transceiver
One end of seven pin connecting resistance R11, one end of the 6th pin connecting resistance R12；The other end of resistance R11 and resistance R12 and CAN are received
5th pin of hair device connects one end of capacitor C8, the other end ground connection of capacitor C8 respectively；6th pin of the CAN transceiver and
7th pin is connect with the CAN bus or the electrical control unit of automatic transmission respectively.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
Controller is stated to be also used to execute:
Actual physics value is converted by first CAN signal；
Convert the actual physics value to the sending value of the electrical control unit of automatic transmission of second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein also
Including clock module, the clock module is connect with the controller, for providing clock signal for the controller.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein also
Including power module, the power module is connect with the controller, for providing power supply for the controller.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein institute
It states controller and is also used to receive the second CAN signal that the electrical control unit of automatic transmission of second vehicle is sent, by described
CAN signal Transformation Program converts second CAN signal to corresponding first CAN signal of the first vehicle.
Second aspect, the embodiment of the present invention also provide a kind of automatic transmission network management, include the following steps:
CAN signal Transformation Program is imported, and the CAN Transformation Program is debugged；
Receive the first CAN signal of the CAN bus transmission of the first vehicle and the automatic speed-variator electric control list of the second vehicle
The second CAN signal that member is sent；
First CAN signal is converted to by the CAN signal Transformation Program automatic transmission electricity of the second vehicle
Corresponding second CAN signal of unit is controlled, and the CAN bus for converting the first vehicle for second CAN signal corresponding the
One CAN signal；
Second CAN signal is sent to the electrical control unit of automatic transmission of second vehicle, and by described
One CAN signal is sent to the CAN bus of first vehicle.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein logical
It is corresponding to cross the electrical control unit of automatic transmission that first CAN signal is converted the second vehicle by the CAN signal Transformation Program
The second CAN signal, and corresponding first CAN signal of CAN bus that converts the first vehicle for second CAN signal
Step includes:
Actual physics value is converted by first CAN signal；
Convert the actual physics value to the sending value of the electrical control unit of automatic transmission of second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus.
In conjunction with the first possible embodiment of second aspect, the embodiment of the invention provides the first of second aspect
Possible embodiment, wherein actual physics value is converted for first CAN signal according to following formula:
S=A × M1+N1,
Wherein, S is actual physics value, network signaled value of the A for received CAN bus, M1For the calibration of the first vehicle
The factor, N1For the offset of the first vehicle, first vehicle is vehicle where the CAN bus；
The actual physics value is converted to according to following formula the electrical control unit of automatic transmission of second vehicle
Sending value:
B=(S-N2)/M2,
Wherein, B is the value that the second vehicle should be sent, M2For the scaling factor of the second vehicle, N2For the offset of the second vehicle
Amount, the vehicle that second vehicle can identify for electrical control unit of automatic transmission；
Actual physics value is converted by second CAN signal according to following formula:
S=B × M2+N2,
The actual physics value is converted to according to following formula the sending value of the first vehicle CAN bus:
A=(S-N1)/M1。
The embodiment of the present invention brings following the utility model has the advantages that CAN signal is converted journey by program writing module by the present invention
Sequence imports controller, completes the signal transmitting and receiving between CAN bus by CAN transceiver module, executes signal by controller and turns
Change program and convert the identifiable CAN network signal of electrical control unit of automatic transmission for target vehicle CAN network signal, without repairing
Change electrical control unit of automatic transmission bottom software and application layer software, to reduce development cost, greatly shorten the development cycle, ties
Structure is simple, and debugging is convenient, maintainable good.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is automatic transmission network management schematic illustration；
Fig. 2 is vehicle CAN network matrix message format；
Fig. 3 is the schematic diagram for the automatic transmission network administration apparatus that the embodiment of the present invention one provides；
Fig. 4 is another schematic diagram for the automatic transmission network administration apparatus that the embodiment of the present invention one provides；
Fig. 5 is that 20 circuit of program writing module for the automatic transmission network administration apparatus that the embodiment of the present invention one provides is former
Reason figure；
Fig. 6 is that the circuit of the CAN transceiver module for the automatic transmission network administration apparatus that the embodiment of the present invention one provides is former
Reason figure；
Fig. 7 is the circuit theory of the clock module for the automatic transmission network administration apparatus that the embodiment of the present invention one provides
Figure；
Fig. 8 is the circuit theory of the power module for the automatic transmission network administration apparatus that the embodiment of the present invention one provides
Figure；
Fig. 9 is the flow chart for the automatic transmission network management that the embodiment of the present invention one provides.
Icon: 10- controller；20- program writing module；30-CAN transceiver module；40- power module；50- clock mould
Block；60-CAN bus；70- electrical control unit of automatic transmission.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
At present in vehicle CAN network, report that the nodes such as electrical control unit of automatic transmission primary recipient Engine ECU are sent
Literary (EMS) information, such as the torque signal etc. of engine rotational speed signal, accelerator pedal signal, engine output, as shown in Figure 1.
The vehicle CAN network matrix of different automobile types is different, for example, referring to Fig. 2, engine rotational speed signal (16 Chief Signal Boatswains
Degree) be located at the byte 0 (byte0) and byte 1 (byte1) of message EMS1 in the first vehicle, i.e. region H in Fig. 2 left figure,
Motorola format, lowest order (lsb) are the 8th (bit8), and highest order (msb) is the 7th (bit7)；And it is sent out in the second vehicle
Motivation tach signal is located at the byte 2 and byte 3 of EMS2, i.e. region H in Fig. 2 right figure, Motorala format, lowest order (lsb)
For 24 (bit24), highest order (msb) is 23 (bit23).Therefore, if not modifying electrical control unit of automatic transmission bottom
Software and directly receive vehicle CAN network signal, it is wrong for will result in the obtained CAN signal value of parsing.For in real
It tests for the vehicle in stage, modification bottom software development cost is high, and the development cycle is long.It is provided in an embodiment of the present invention based on this
A kind of automatic transmission network administration apparatus and method can be converted into automatic transmission electricity with the CAN network signal of target vehicle
The identifiable CAN network signal of unit is controlled, it is not necessary to modify electrical control unit of automatic transmission bottom software and application layer softwares, thus
Development cost is reduced, the development cycle is shortened, structure is simple, and debugging is convenient, maintainable good.
For convenient for understanding the present embodiment, first to a kind of automatic transmission network disclosed in the embodiment of the present invention
Managing device describes in detail.
Embodiment one:
The automatic transmission network administration apparatus proposed referring to Fig. 3, the present embodiment, comprising: controller 10, program writing mould
Block 20 and CAN transceiver module 30, program writing module 20 and CAN transceiver module 30 are connect with controller 10 respectively；
Program writing module 20 is used to import CAN signal Transformation Program to controller 10, and adjusts to CAN Transformation Program
Examination；
CAN transceiver module 30 is used to be received and transmitted the CAN signal that the CAN bus 60 of the first vehicle is sent, with
And the CAN signal sent to the electrical control unit of automatic transmission 70 of the second vehicle is received and transmitted；
Controller 10 is used to convert the second vehicle for the first CAN signal of the first vehicle by CAN signal Transformation Program
Corresponding second CAN signal of electrical control unit of automatic transmission 70, and by the automatic speed-variator electric control list of second vehicle
First 70 corresponding second CAN signals are converted into the first CAN signal that the CAN bus 60 of the first vehicle can identify.
Preferably, controller 10 uses the MC9S12XEP100 of Freescale.Wherein power supply signal by filter circuit it
It is connected afterwards with MC9S12XEP100 microcontroller power supply, provides stable power supply for controller 10；Clock module 50 gives controller
10 provide the quartz crystal oscillator of an external 16MHz；Program writing module 20 (BDM mouthfuls) allows user that can debug work by BDM
Have to the downloading of controller 10 and debugging routine；MC9S12XEP100 microcontroller includes the four road channels CAN, by using
TJA1040CAN transceiver realizes that normal CAN signal sends and receives, selection wherein two-way be separately connected vehicle CAN network and
The corresponding CAN network of electrical control unit of automatic transmission 70 realizes automatic speed-variator electric control by writing CAN signal Transformation Program
The normal communication of unit software and vehicle CAN network.
Referring to Fig. 3 and Fig. 4, the quantity of CAN transceiver module is two, automatic with CAN bus 60 and the second vehicle respectively
Speed changer electronic control unit 70 connects.
Further, referring to Fig. 5, program writing module 20 includes BDM debugger, resistance R105, resistance R107 and resistance
R121, the one end resistance R105 are connect with the one end resistance R107, the resistance R105 other end respectively with the first pin of BDM debugger and
The connection of three pins；The other end of resistance R107 and the 6th pin of BDM debugger connect power supply jointly；The 4th pin of BDM connects electricity
Hinder one end of R121, another termination power of resistance R121, the second pin ground connection of BDM debugger.
It further, include CAN transceiver, resistance R10, resistance R11, resistance R12, electricity referring to Fig. 6 CAN transceiver module 30
Hold C7 and capacitor C8, one end of resistance R10 and the 8th pin of CAN transceiver connect, and one end of capacitor C7 connects CAN transceiver
Third pin, the second pin of the other end and CAN transceiver, the other end of resistance R10 are grounded；The 7th of CAN transceiver draws
One end of foot connecting resistance R11, one end of the 6th pin connecting resistance R12；The other end and CAN transceiver of resistance R11 and resistance R12
The 5th pin connect one end of capacitor C8, the other end ground connection of capacitor C8 respectively；6th pin of CAN transceiver and the 7th pin
It is connect respectively with the electrical control unit of automatic transmission 70 of CAN bus 60 or the second vehicle.
Further, controller 10 is also used to execute:
Actual physics value is converted by the first CAN signal；
Convert actual physics value to the sending value of the electrical control unit of automatic transmission 70 of the second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus 60.
It further, further include clock module 50 referring to Fig. 4, clock module 50 is connect with controller 10, for being control
Device 10 provides clock signal.
Specifically, referring to Fig. 7, clock module 50 includes inductance L2, capacitor C105, capacitor C107, capacitor C108, capacitor
C109, capacitor C119 resistance R108 and crystal oscillator Y, two sections of crystal oscillator Y connect controller 10, and work together the both ends crystal oscillator Y parallel resistance R108, electricity
Hold C107 mono- and terminates the one end crystal oscillator Y, capacitor C107 other end ground connection；Capacitor C108 mono- terminates the crystal oscillator Y other end, another termination
Ground；Capacitor C109 mono- terminates controller 10, other end ground connection；Capacitor C179 mono- terminates controller 10, other end ground connection；Inductance L2
One end of one termination capacitor C105 is followed by controller 10, another termination power of inductance L2, capacitor C105 other end ground connection.
It further, further include power module 40 referring to Fig. 4, power module 40 is connect with controller 10, for being control
Device 10 provides power supply.
Specifically, referring to Fig. 8, power module 40 includes resistance R112, capacitor C114, capacitor C115, capacitor C116 and electricity
Feel L4；Two sections of resistance R112 two pins (83,84 pin) for connecing controller 10 respectively；Capacitor C114, capacitor C115 and capacitor
C116 latter end ground connection in parallel, one end of termination controller 10 (83 pin) and inductance L4, another termination power of inductance L4.
Further, controller 10 is also used to receive the second of the transmission of electrical control unit of automatic transmission 70 of the second vehicle
CAN signal converts the second CAN signal to by CAN signal Transformation Program corresponding first CAN signal of the first vehicle.
Embodiment two:
Referring to Fig. 9, automatic transmission network management provided in this embodiment includes the following steps:
Step S1 imports CAN signal Transformation Program, and debugs to CAN Transformation Program；
Step S2 receives the fluid drive of the first CAN signal and the second vehicle of the transmission of CAN bus 60 of the first vehicle
The second CAN signal that device electronic control unit 70 is sent；
Step S3 converts the first CAN signal to by CAN signal Transformation Program the automatic speed-variator electric control of the second vehicle
Corresponding second CAN signal of unit 70, and the CAN bus 60 for converting the first vehicle for second CAN signal are corresponding
First CAN signal；
Second CAN signal, is sent to the electrical control unit of automatic transmission 70 of the second vehicle by step S4, and by described
One CAN signal is sent to the CAN bus 60 of first vehicle.
Further, step S3 includes:
Actual physics value is converted by the first CAN signal；
Convert actual physics value to the sending value of the electrical control unit of automatic transmission 70 of the second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus 60.
Further, actual physics value is converted for the first CAN signal according to formula (1):
S=A × M1+N1 (1)
Wherein, S is actual physics value, network signaled value of the A for received CAN bus 60, M1For determining for the first vehicle
Mark the factor, N1For the offset of the first vehicle, the first vehicle is 60 place vehicle of CAN bus；
Actual physics value is converted to according to formula (2) sending value of the electrical control unit of automatic transmission 70 of the second vehicle:
B=(S-N2)/M2 (2)
Wherein, B is the value that the second vehicle should be sent, M2For the scaling factor of the second vehicle, N2For the offset of the second vehicle
Amount；
Actual physics value is converted by second CAN signal according to formula (3):
S=B × M2+N2, (3)
The actual physics value is converted to according to formula (4) sending value of the first vehicle CAN bus 60:
A=(S-N1)/M1 (4)
Referring to Fig. 4, the signal sent in the first vehicle CAN bus 60 is received in the interruption of CAN0 channel reception, and is carried out
Parsing obtains actual physical values, and by taking transmitter revolving speed as an example, the first vehicle scaling factor (factor_A) is 0.25, offset
It (offset_A) is 0, the second vehicle scaling factor (factor_B) is 0.5, and offset (offset_B) is 0, the first vehicle
EngineSpeed_A=10000 (hexadecimal 0x2710) in EMS1 message, then actual tachometer value:
EngineSpeedPhys_A=EngineSpeed_A*factor_A+offset_A, obtaining actual speed value is 2500r/min；
According to the equal principle of actual value is sent, then the EngineSpeed_B=that the second vehicle should be sent
(EngineSpeedPhys_A-offset_B)/factor_B；To obtain EngineSpeed_B=5000, (hexadecimal is
0x1388), according to Motorola format, EMS2.byte2=0x13, EMS2.byte3=0x88, and by the channel CAN2 according to
Message sending cycle is periodically sent to the electrical control unit of automatic transmission 70 of the second vehicle.
Similarly, when the electrical control unit of automatic transmission 70 of the second vehicle sends CAN signal toward vehicle, first in CAN2
It receives interrupt function and receives the corresponding CAN signal of the second vehicle that electrical control unit of automatic transmission 70 is sent, converted by parsing
For the first vehicle can direct received message, vehicle CAN net is regularly sent according to the corresponding message period by the channel CAN 0
Network.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, those skilled in the art should understand that: anyone skilled in the art is at this
It invents in the technical scope disclosed, can still modify or can be thought easily to technical solution documented by previous embodiment
To variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make corresponding
The essence of technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection scope of the present invention
Within.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of automatic transmission network administration apparatus characterized by comprising controller, program writing module and CAN transmitting-receiving
Module, described program writes with a brush dipped in Chinese ink module and the CAN transceiver module is connect with the controller respectively；
Described program write with a brush dipped in Chinese ink module for the controller import CAN signal Transformation Program, and to the CAN Transformation Program into
Row debugging；
The CAN transceiver module is used to be received and transmitted the CAN signal that the CAN bus of the first vehicle is sent and right
The CAN signal that the electrical control unit of automatic transmission of second vehicle is sent is received and transmitted；
The controller is used to convert for the first CAN signal of first vehicle by the CAN signal Transformation Program
Corresponding second CAN signal of the electrical control unit of automatic transmission of two vehicles, and the automatic transmission of second vehicle is electric
Corresponding second CAN signal of control unit is converted into the first CAN signal that the CAN bus of the first vehicle can identify.
2. automatic transmission network administration apparatus according to claim 1, which is characterized in that described program writes with a brush dipped in Chinese ink module packet
BDM debugger, resistance R105, resistance R107 and resistance R121 are included, the one end the resistance R105 and the one end the resistance R107 connect
It connects, the resistance R105 other end is connect with first pin of BDM debugger and third pin respectively；The resistance R107's
6th pin of the other end and the BDM debugger connects power supply jointly；One end of the 4th pin connecting resistance R121 of the BDM,
Another termination power of the resistance R121, the second pin ground connection of the BDM debugger.
3. automatic transmission network administration apparatus according to claim 1, which is characterized in that the CAN transceiver module packet
Include CAN transceiver, resistance R10, resistance R11, resistance R12, capacitor C7 and capacitor C8, the resistance R10 one end and the CAN
8th pin of transceiver connects, and one end of the capacitor C7 connects the third pin of the CAN transceiver, the other end with it is described
The other end ground connection of the second pin of CAN transceiver, the resistance R10；7th pin connecting resistance R11 of the CAN transceiver
One end, one end of the 6th pin connecting resistance R12；5th pin of the other end and CAN transceiver of resistance R11 and resistance R12
One end of capacitor C8, the other end ground connection of capacitor C8 are connect respectively；6th pin of the CAN transceiver and the 7th pin respectively with
The CAN bus or electrical control unit of automatic transmission connection.
4. automatic transmission network administration apparatus according to claim 1, which is characterized in that the controller is also used to hold
Row:
Actual physics value is converted by first CAN signal；
Convert the actual physics value to the sending value of the electrical control unit of automatic transmission of second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus.
5. automatic transmission network administration apparatus according to claim 1, which is characterized in that it further include clock module, institute
It states clock module to connect with the controller, for providing clock signal for the controller.
6. automatic transmission network administration apparatus according to claim 1, which is characterized in that it further include power module, institute
It states power module to connect with the controller, for providing power supply for the controller.
7. automatic transmission network administration apparatus according to claim 1, which is characterized in that the controller is also used to connect
The second CAN signal that the electrical control unit of automatic transmission of second vehicle is sent is received, it will by the CAN signal Transformation Program
Second CAN signal is converted into corresponding first CAN signal of the first vehicle.
8. a kind of automatic transmission network management, which comprises the steps of:
CAN signal Transformation Program is imported, and the CAN Transformation Program is debugged；
Receive the first CAN signal of the CAN bus transmission of the first vehicle and the electrical control unit of automatic transmission hair of the second vehicle
The second CAN signal sent；
First CAN signal is converted to by the CAN signal Transformation Program automatic speed-variator electric control list of the second vehicle
Corresponding second CAN signal of member, and corresponding first CAN of CAN bus for converting the first vehicle for second CAN signal
Signal；
Second CAN signal is sent to the electrical control unit of automatic transmission of second vehicle, and by the first CAN
Signal is sent to the CAN bus of first vehicle.
9. automatic transmission network management according to claim 8, which is characterized in that turned by the CAN signal
Change corresponding second CAN signal of electrical control unit of automatic transmission that first CAN signal is converted the second vehicle by program, with
And the step of CAN bus that second CAN signal is converted into the first vehicle is corresponding first CAN signal, includes:
Actual physics value is converted by first CAN signal；
Convert the actual physics value to the sending value of the electrical control unit of automatic transmission of second vehicle；
Actual physics value is converted by second CAN signal；
Convert the actual physics value to the sending value of the first vehicle CAN bus.
10. automatic transmission network management according to claim 9, which is characterized in that
Actual physics value is converted by first CAN signal according to following formula:
S=A × M1+N1,
Wherein, S is actual physics value, network signaled value of the A for received CAN bus, M1For the scaling factor of the first vehicle,
N1For the offset of the first vehicle, first vehicle is vehicle where the CAN bus；
The actual physics value is converted to according to following formula the transmission of the electrical control unit of automatic transmission of second vehicle
Value:
B=(S-N2)/M2,
Wherein, B is the value that the second vehicle should be sent, M2For the scaling factor of the second vehicle, N2For the offset of the second vehicle,
The vehicle that second vehicle can identify for electrical control unit of automatic transmission；
Actual physics value is converted by second CAN signal according to following formula:
S=B × M2+N2,
The actual physics value is converted to according to following formula the sending value of the first vehicle CAN bus:
A=(S-N1)/M1。
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