CN105587421B - System and method based on the control of more CAN communication protocol realization diesel engine speed regulations - Google Patents
System and method based on the control of more CAN communication protocol realization diesel engine speed regulations Download PDFInfo
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- CN105587421B CN105587421B CN201610033260.8A CN201610033260A CN105587421B CN 105587421 B CN105587421 B CN 105587421B CN 201610033260 A CN201610033260 A CN 201610033260A CN 105587421 B CN105587421 B CN 105587421B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention discloses a kind of system and method controlled based on more CAN communication protocol realization diesel engine speed regulations, the device includes Bus Interface Unit, the CAN protocol resolution unit of multiple protocol modules containing a variety of CAN communication agreements of correspondence, and for executing the CAN communication unit based on CAN communication protocol communication, one end of CAN protocol resolution unit is connect by Bus Interface Unit with locomotive master control system, the other end is connected by the electric spray control system of CAN communication unit and diesel engine, communication data of the CAN protocol resolution unit invocation protocol module between locomotive master control system and the electric spray control system of diesel engine is parsed with the CAN communication of type needed for execution；This method realizes the speed regulating control of diesel engine by controlling diesel engine speed regulation control system；The present invention have the advantages that it is simple in structure, required it is at low cost, can the speed regulating control based on a variety of CAN communication protocol realization diesel engines and control efficiency it is high.
Description
Technical field
The present invention relates to diesel engine control technology fields, more particularly to one kind being based on more CAN communication protocol realization diesel engines
The system and method for speed regulating control.
Background technology
Traditional diesel engine stepper motor speed-adjusting and control system particular by driving as shown in Figure 1, be mounted on diesel engine
On stepper motor control diesel engine combined regulator, realize the function of adjusting diesel engine speed, stepper motor speed regulating control
System is not suitable for electronic controlled diesel, because due to gradually substituted by EFI control technology.In the EFI control technology of diesel engine, it is
By EFI controller by being based on CAN（Controller Area Network, controller local area network）Communication protocol and internal combustion
Other components such as locomotive master control system carry out data exchange to implement the speed regulating control to diesel engine, locomotive master in locomotive
Control system need to only provide corresponding control command.
CAN communication is the Primary communication mode that diesel engine system carries out that big data is exchanged with whole-control system, such as Fig. 2 institutes
Show, EFI control is to be based on a CAN internal communication network in electronic controlled diesel speed-adjusting and control system, is realized by the communication network
CAN communication function of the master control system to all daughter board systems in network.But CAN communication network is internal network, different diesel engines
Used CAN communication agreement may be not consistent, thus uses the above-mentioned diesel engine speed regulation control system based on EFI control,
The diesel engine of various international standard CAN communication agreements can not be docked, the scope of application is limited, and simultaneously so that locomotive master control system
The speed-regulating function of diesel engine is also needed to be modified setting with the variation of CAN communication agreement, is not easy to actually use.
Invention content
The technical problem to be solved in the present invention is that：For technical problem of the existing technology, the present invention provides one
It is kind simple in structure, required it is at low cost, can the speed regulating control based on a variety of CAN communication protocol realization diesel engines and control efficiency it is high
Based on more CAN communication protocol realization diesel engine speed regulations control system and method.
In order to solve the above technical problems, technical solution proposed by the present invention is：
It is a kind of based on more CAN communication protocol realization diesel engine speed regulations control system, including Bus Interface Unit, containing pair
It answers the CAN protocol resolution unit of multiple protocol modules of a variety of CAN communication agreements and is based on CAN communication agreement for executing
One end of the CAN communication unit of communication, the CAN protocol resolution unit passes through the Bus Interface Unit and locomotive main control system
System connection, the other end are connected by the electric spray control system of the CAN communication unit and diesel engine, and the CAN protocol parsing is single
Protocol module described in metacall is between locomotive master control system and the electric spray control system of diesel engine based on CAN communication agreement
Data are parsed.
As being further improved for present system：The Bus Interface Unit includes the dual port RAM module being connected with each other
And bus driver block, the dual port RAM module are received by dual port RAM, send communication of the two-way based on CAN communication agreement
Data.
As being further improved for present system：The CAN communication unit includes two-way CAN communication access, per road institute
It includes the CAN controller being connected with each other and CAN communication interface to state CAN communication access.
As being further improved for present system：Further include for being exported according to the control signal of locomotive master control system
To the current signal output unit of locomotive electric spray control system, the current signal output unit and the CAN are assisted current signal
Discuss resolution unit connection.
As being further improved for present system：The current signal output unit includes sequentially connected D/A conversions
Module, for execute isolation and operation amplifier isolation amplifier module and for voltage signal to be converted to current signal
Voltage to current transducer module.
As being further improved for present system：Further include for being exported according to the control signal of locomotive master control system
Pwm signal is to the pwm signal output unit of locomotive electric spray control system, the pwm signal output unit and the bus interface
Unit connects；The pwm signal output unit includes sequentially connected pwm signal acquisition module, light-coupled isolation module and drive
Dynamic output module.
As being further improved for present system：The CAN protocol resolution unit includes the monolithic for executing parsing
Electromechanical road and CPLD circuit for executing logic control.
The present invention further provides the method using above-mentioned diesel engine speed regulation control system, this method includes：To target bavin
When oil machine carries out speed regulating control, the control data of CAN protocol resolution unit receiver car owner's control system output, according to institute
The CAN communication protocol type that need to be executed calls corresponding protocol module to parse the control data received, and parsing obtains
Control data be sent to the electric spray control system of target diesel engine；The electric spray control system of target diesel engine exports operation in real time
Data, the CAN protocol resolution unit receive the operation data, and call corresponding protocol module to the operation number that receives
According to feeding back to locomotive master control system after being parsed.
As being further improved for the method for the present invention, the described pair of control data received are parsed specially：Pass through
Dual port RAM module receives two-way and controls data in the Bus Interface Unit, calls corresponding protocol module to two-way institute respectively
Control data are stated to be parsed, the control data parsed respectively by the CAN communication unit all the way or two-way CAN is logical
Letter access is sent；The described pair of operation data received is parsed specially：Pass through two-way in the CAN communication unit
CAN communication access receives all the way or two-way operation data, and corresponding protocol module is called to parse the operation data, solves
Obtained operation data is analysed to be sent by the dual port RAM module.
As being further improved for the method for the present invention：It is described when being parsed especially by reading the dual port RAM module
The configuration information area of middle dual port RAM acquires the configuration information including communication mode and data information to be resolved, described logical
Letter mode includes the required CAN communication access used and CAN communication protocol type, according to the configuration information of acquisition
It received by the data field of the dual port RAM, send two paths of data.
Compared with the prior art, the advantages of the present invention are as follows：
1）The present invention is based on the system and methods of more CAN communication protocol realization diesel engine speed regulations control, can be in locomotive master
In control system, the CAN communication network that electric spray control system is communication node, docks a variety of diesel engine CAN communication agreements and carry out
Parsing, locomotive master control system need to only do corresponding configuration work and can be realized and the number of the electric spray control system of different diesel engines
According to communication, speed governing and power limitation control are carried out so as to be suitable for multiple types diesel engine, makes diesel engine in meet demand
In the case of operate in most economical state, and be not necessarily based on communication protocol change locomotive master control system speed-regulating function, control
Easy to operate and control efficiency is high；
2）The present invention is based on the system and methods of more CAN communication protocol realization diesel engine speed regulations control, can obtain locomotive
The control data of master control system are simultaneously exported according to required CAN communication mode to electric spray control system, to realize to diesel engine
Specific control function；Simultaneously so that locomotive control can also by CAN communication obtain diesel engine feedback operating parameter,
The operation datas such as fault parameter, thus can preferably play diesel engine function, it is ensured that Diesel Engine Control function-stable is reliable, real
The optimum control of existing vehicle；
3）The present invention is based on the system and methods of more CAN communication protocol realization diesel engine speed regulations control, further by double
The data of mouth RAM real-time exchange locomotive master control system and diesel engine electric spray control system, the data update for the CAN communication that compares
Faster data period update may be implemented based on dual port RAM in period；Parameter setting is carried out to the configuration information area of dual port RAM
Afterwards, the data of communication mode and required communication that can be needed for automatic identification by reading configuration information area, with realize according to
The CAN communication protocol type real-time exchange Data Area data of required execution；
4）The present invention is based on the system and methods of more CAN communication protocol realization diesel engine speed regulations control, further pass through two
Road CAN communication circuit can mutually realize redundancy communication or execute the communication mode of two kinds of different CAN communication agreements so that not only
It can apply on diesel locomotive, can also apply on rail engineering automobile；
5）The present invention is based on more CAN communication protocol realization diesel engine speed regulations control system and method, further by with
Communication data parallel acquisition current signal between locomotive master control system, electric spray control system is supplied to electric spray control system,
The speed regulating control for realizing diesel engine is adjusted in conjunction with important current signal, the redundancy backup to communication data may be implemented, together
When further increase the reliability controlled diesel engine speed regulation；Other equipment on locomotive can also be driven by output current signal
Pipeline control is carried out, to realize the logic function of locomotive circuit.
6）The present invention is based on more CAN communication protocol realization diesel engine speed regulations control system and method, further by with
Communication data parallel acquisition pwm signal between locomotive master control system, electric spray control system is supplied to electric spray control system, knot
It closes important pwm signal and adjusts the speed regulating control for realizing diesel engine, further ensure that the stabilization, reliable of diesel engine speed regulation control
Property.
Description of the drawings
Fig. 1 is the structural schematic diagram of traditional diesel engine speed regulation control system.
Fig. 2 is the realization principle schematic diagram of CAN communication in traditional electronic controlled diesel speed regulating control.
Fig. 3 is the structural schematic diagram for the system that the present embodiment is controlled based on more CAN communication protocol realization diesel engine speed regulations.
Fig. 4 is the principle schematic that the present embodiment realizes diesel engine speed regulation control.
Fig. 5 is the region division principle schematic of dual port RAM in the present embodiment.
Fig. 6 is the specific implementation flow schematic diagram that CAN communication data parse in the present embodiment.
Marginal data：1, Bus Interface Unit；11, dual port RAM module；12, bus driver block；2, CAN protocol parses
Unit；3, CAN communication unit；4, current signal output unit；41, D/A conversion modules；42, isolation amplifier module；43, voltage
Current conversion module；5, pwm signal output unit.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
As shown in Figure 3,4, the system that the present embodiment is controlled based on more CAN communication protocol realization diesel engine speed regulations, including it is total
Line interface unit 1, multiple protocol modules containing a variety of CAN communication agreements of correspondence CAN protocol resolution unit 2 and be used for
The CAN communication unit 3 based on CAN communication protocol communication is executed, one end of CAN protocol resolution unit 2 passes through Bus Interface Unit 1
It is connect with locomotive master control system, the other end is connect by CAN communication unit 3 with the electric spray control system of diesel engine, CAN protocol
Communication data of the 2 invocation protocol module of resolution unit between locomotive master control system and the electric spray control system of diesel engine carries out
Parsing is to execute the communication of required Type C AN communication protocols, wherein Bus Interface Unit 1, CAN protocol resolution unit 2 and CAN
It is respectively connected by bus between communication unit 3.The present embodiment specifically gives diesel engine speed regulation ginseng by locomotive master control system
Number, CAN communication process are executed by the above-mentioned diesel engine speed regulation control system of the present embodiment, be may be implemented needed for different EFI controllers
The parsing of CAN communication agreement, to realize diesel engine speed regulation control based on CAN communication so that diesel engine speed regulation meets locomotive fortune
Row demand.
When executing speed regulating control to target diesel engine, output control data are arranged according to speed governing by locomotive master control system,
The control data that CAN protocol resolution unit 2 is exported by 1 receiver car owner's control system of Bus Interface Unit, and according to required
CAN communication protocol type calls corresponding protocol module to parse control data, and the control data parsed pass through CAN
Communication unit 3 is sent to the electric spray control system of target diesel engine；The electric spray control system of target diesel engine is according to control data
Diesel engine operation is controlled, and operation data is exported to CAN protocol resolution unit 2, CAN protocol resolution unit 2 passes through CAN communication
Unit 3 receives operation data, calls corresponding protocol module to parse operation data according to required CAN communication protocol type
Afterwards, locomotive master control system, operation data tune of the locomotive master control system further according to feedback are fed back to by Bus Interface Unit 1
The exported control data of section.
The present embodiment using the above structure, can be in locomotive master control system, the CAN that electric spray control system is communication node
It in communication network, docks a variety of CAN communication agreements and is parsed, realize the control data and diesel engine of locomotive master control system
The transmission of operation data can be realized and the electricity of different diesel engines to which locomotive master control system need to only do corresponding configuration work
The data communication for spraying control system, can be adapted for multiple types diesel engine and carries out speed governing and power limitation control, diesel engine is made to exist
Most economical state is operated in the case of meet demand, and is not necessarily based on the speed governing of communication protocol change locomotive master control system
It is high to control easy to operate and control efficiency for function.
The present embodiment using the above structure, can obtain the control data of locomotive master control system and lead to according to required CAN
Letter mode is exported to electric spray control system, to realize the specific control function to diesel engine；Simultaneously so that locomotive control
The operation datas such as operating parameter, the fault parameter of diesel engine feedback can also be obtained by CAN communication, thus can preferably be sent out
Wave diesel engine function, it is ensured that Diesel Engine Control function-stable is reliable, realizes the optimum control of vehicle.
In the present embodiment, Bus Interface Unit 1 includes the dual port RAM being connected with each other（Random Access Memory, with
Machine memory）Module 11 and bus driver block 12, dual port RAM module 11 is received by dual port RAM, transmission two-way is based on
The communication data of CAN communication agreement, communication data are communicated after the driving of bus driver block 12 with external bus.Pass through
Dual port RAM may be implemented two independent systems and carry out random access to memory simultaneously, and the present embodiment is by being arranged dual port RAM
The data of the data of real-time exchange locomotive master control system and diesel engine electric spray control system, wherein locomotive master control system are direct
Access dual port RAM, the data of diesel engine electric spray control system are then inputted by CAN communication, using after parsing by the number of parsing
According to access dual port RAM, the faster data period may be implemented more based on dual port RAM in the data update period for the CAN communication that compares
Newly.The present embodiment Bus Interface Unit 1 is connect especially by male connector with external bus.
As shown in figure 5, dual port RAM is specifically divided into configuration information area and double-channel data area in the present embodiment,
Comprising information such as communication mode, communication data ID number, communication data sizes in configuration information area, wherein communication mode includes required
Using CAN communication protocol type；Data field be communication content, specifically include two paths of data send, reception area, data send,
It is specially the control data that locomotive master control system is sent or the operation data that EFI controller returns in reception area, wherein running
Data can be operating parameter, fault message etc., and area is sent per circuit-switched data and is controlled by flag bit, to ensure data exchange mistake
The execution of journey.It, can automatic identification institute by reading configuration information area after carrying out parameter setting to the configuration information area of dual port RAM
The data of the communication mode and required communication that need, to realize the CAN communication protocol type real-time exchange number according to required execution
According to area's data.
As shown in figure 3, CAN communication unit 3 specifically includes two-way CAN communication access in the present embodiment, it is logical per road CAN communication
Road includes the CAN controller being connected with each other and CAN communication interface.The present embodiment two-way CAN communication access specifically includes A, B
Two-way communication path, communication path pattern are configured by the configuration information area of dual port RAM, including duplex communication, the communication of the roads A
Or the communication of the roads B, i.e., communication mode specifically includes the required CAN communication access and CAN used in the configuration information area of dual port RAM
Path Protocol type needs to adopt to determine to execute dual-channels communication or single channel communications and execute the CAN communication channel communicated
Which kind of, with communication protocol, lead to can mutually realize redundancy communication by two-way CAN communication circuit or execute two kinds of difference CAN
Believe the communication mode of agreement so that can not only be applied on diesel locomotive, can also apply on rail engineering automobile.This implementation
Example CAN communication control implement body uses SJA1000 type CAN communication controllers, includes optocoupler especially by two-way per road CAN communication
The interface circuit of isolation and bus driver is connected with external CAN interface.
Protocol module includes the J1939 protocol modules of standard, standard in the present embodiment CAN protocol resolution unit 2
CanOpen protocol modules and user-defined CAN protocol module, as shown in fig. 6, CAN protocol resolution unit 2 executes parsing
When, after completing initialization operation, the configuring area information of dual port RAM is read first, acquires communication mode, communication data ID
Number, the information such as communication data size, for two-way CAN communication access in CAN communication unit 3, if duplex communication need to be performed simultaneously,
Respectively required protocol module is called in duplex communication（The J1939 protocol modules of standard or the CanOpen protocol modules of standard or
User-defined CAN protocol module）It is corresponding to call required protocol module, CAN if the roads A or the communication of the roads B need to be executed
Protocol analysis unit 2 is sent to dual port RAM by data in interrupt mode acquisition dual port RAM or by data after processing, to interrupting
The data of buffer area are handled with specific reference to the protocol module of calling.
Further include for giving EFI control according to the control signal output current signal of locomotive master control system in the present embodiment
The current signal output unit 4 of system processed, current signal output unit 4 are connect with CAN protocol resolution unit 2.Current signal is defeated
Go out the current value that unit 4 gives especially by dual port RAM receiver car owner's control system, output is to EFI after forming current signal
Control system, to drive diesel engine speed regulation as current drive signal.Current signal be diesel engine signal of interest, by with machine
Communication data parallel acquisition current signal is supplied to electric spray control system between car owner's control system, electric spray control system, by electricity
Stream, which is adjusted, realizes speed governing, the redundancy backup to communication data may be implemented, while further increasing and controlling diesel engine speed regulation
Reliability；Other equipment on locomotive can also be driven to carry out pipeline control, such as drive magnetic valve by output current signal, from
And realize the logic function of locomotive circuit.4 road current channels are specifically arranged in the present embodiment, export 4 road current signals to diesel engine
Electric spray control system.
In the present embodiment, current signal output unit 4 includes sequentially connected D/A conversion modules 41, for executing isolation
And operation amplifier isolation amplifier module 42 and Voltage to current transducer mould for voltage signal to be converted to current signal
Block 43.The present embodiment current value output that specifically 4 tunnel CAN protocol resolution units 2 of acquisition give according to locomotive master control system
0-2.5V voltage signals are converted to analog signal, after isolation amplifier module 42 is isolated, is amplified by D/A conversion modules 41
It exports and executes V/I conversions to Voltage to current transducer module 43, obtain the current signal of 40 ~ 20mA of tunnel.
Further include for giving EFI control according to the control signal output pwm signal of locomotive master control system in the present embodiment
The pwm signal output unit 5 of system processed, pwm signal output unit 5 are connect with Bus Interface Unit 1.By weight in diesel signal
The pwm signal wanted is supplied to electric spray control system, can be based on pwm signal and realize speed regulating control, further ensure that diesel engine tune
Stabilization, the reliability of speed control.
In the present embodiment, pwm signal output unit 5 includes sequentially connected pwm signal acquisition module, light-coupled isolation module
And driving output module.Pwm signal is generated by the CPU of locomotive master control system, and light-coupled isolation mould is given after shaped driving
Block is isolated, and the pwm signal of isolation output is driven output by driving output module, wherein driving output module specifically uses three
Pole pipe carries out push-and-pull output to pipe.Power supply needed for after isolation is different, and the present embodiment is additionally provided with power-switching circuit, for from
The linear transformation of outer access 24V voltages obtains the voltage output of 5V, the power supply of light-coupled isolation module and driving output module i.e. by
Power-switching circuit provides.
In the present embodiment, CAN protocol resolution unit 2 includes being patrolled for executing the single chip circuit parsed and for executing
Collect the CPLD circuit of control.Referring to Fig. 3, the present embodiment specifically uses Atmega128 microcontrollers, microcontroller specifically to handle various moneys
Source is dispatched, and realizes that the dissection process to CAN communication data, microcontroller are written and read control to CAN controller by interrupt resources
It makes and establishes CAN communication interface；CPLD circuit implement piece choosing and the logic decoding of control signal etc., system sequence cooperation with
And the functions such as signal frequency split, specifically include read-write logic controls of the CPU to dual port RAM of 1. locomotive master control system；2. locomotive
Read-write logic controls of the CPU of master control system to CAN controller；3. the logic that the CPU of locomotive master control system converts D/A
Control.When acquiring current signal, order is sent out by microcontroller, 8 data is exported respectively at twice and is sent into singlechip chip, by
CPLD is reconverted into 12-bit data and exports to D/A conversion modules 41.The present embodiment governing system is additionally provided with to be controlled with two-way CAN
The hardware WATCHDOG of device connection, two-way CAN controller and microcontroller are respectively connected with crystal oscillator to generate clock signal.
The present embodiment further provides for a kind of method using above-mentioned diesel engine speed regulation control system, and this method includes：It is right
When target diesel engine carries out speed regulating control, the control data of 2 receiver car owner's control system of CAN protocol resolution unit output, root
It calls corresponding protocol module to parse the control data received according to the CAN communication protocol type of required execution, parses
Obtained control data are sent to the electric spray control system of target diesel engine；The electric spray control system of target diesel engine exports in real time
Operation data, CAN protocol resolution unit 2 receive operation data, and call corresponding protocol module to the operation data that receives
Locomotive master control system is fed back to after being parsed.
In the present embodiment, the control data received are parsed specially：Pass through twoport in Bus Interface Unit 1
RAM module 11 receives two-way and controls data, calls corresponding protocol module to parse two-way control data respectively, parses
To control data respectively by CAN communication unit 3 all the way or two-way CAN communication access is sent, the specific stream of parsing
Journey is as shown in Figure 6.The operation data received is parsed specially：It is connect by CAN communication access in CAN communication unit 3
It receives all the way or two-way operation data, calls corresponding protocol module to parse operation data, the operation data parsed
It is sent respectively by dual port RAM module 11.
In the present embodiment, when being parsed, especially by read dual port RAM module 11 in dual port RAM configuration information area,
The configuration information including communication mode and data information to be resolved is acquired, communication mode includes the described of required use
CAN communication access and CAN communication protocol type are received by the data field of dual port RAM according to the configuration information of acquisition, are sent
Two paths of data, wherein dual port RAM region division are specifically as shown in Figure 5.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
Disclosed above with preferred embodiment, however, it is not intended to limit the invention.Therefore, every without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of system based on the control of more CAN communication protocol realization diesel engine speed regulations, it is characterised in that：Including bus interface list
Member（1）, multiple protocol modules containing a variety of CAN communication agreements of correspondence CAN protocol resolution unit（2）And for executing
CAN communication unit based on CAN communication protocol communication（3）, the CAN protocol resolution unit（2）One end pass through the bus
Interface unit（1）It is connect with locomotive master control system, the other end passes through the CAN communication unit（3）With the EFI control of diesel engine
System connection processed, the CAN protocol resolution unit（2）Call electricity of the protocol module to locomotive master control system and diesel engine
Communication data between spray control system is parsed with the CAN communication of type needed for execution.
2. the system according to claim 1 based on the control of more CAN communication protocol realization diesel engine speed regulations, feature exist
In：The Bus Interface Unit（1）Dual port RAM module including interconnection（11）And bus driver block（12）, described
Dual port RAM module（11）It received by dual port RAM, send communication data of the two-way based on CAN communication agreement.
3. the system according to claim 2 based on the control of more CAN communication protocol realization diesel engine speed regulations, feature exist
In：The CAN communication unit（3）Including two-way CAN communication access, CAN communication access described in every road includes being connected with each other
CAN controller and CAN communication interface.
4. the system according to claim 1 or 2 or 3 based on the control of more CAN communication protocol realization diesel engine speed regulations, special
Sign is：Further include for the electric current for controlling signal output current signal to electric spray control system according to locomotive master control system
Signal output unit（4）, the current signal output unit（4）With the CAN protocol resolution unit（2）Connection.
5. the system according to claim 4 based on the control of more CAN communication protocol realization diesel engine speed regulations, feature exist
In：The current signal output unit（4）Including sequentially connected D/A conversion modules（41）, for execute isolation and operation
The isolation amplifier module of amplification（42）And the Voltage to current transducer module for voltage signal to be converted to current signal（43）.
6. the system according to claim 1 or 2 or 3 based on the control of more CAN communication protocol realization diesel engine speed regulations, special
Sign is：Further include for being believed to the PWM of electric spray control system according to the control signal output pwm signal of locomotive master control system
Number output unit（5）, the pwm signal output unit（5）With the Bus Interface Unit（1）Connection；The pwm signal output
Unit（5）Including sequentially connected pwm signal acquisition module, light-coupled isolation module and driving output module.
7. the system according to claim 1 or 2 or 3 based on the control of more CAN communication protocol realization diesel engine speed regulations, special
Sign is：The CAN protocol resolution unit（2）Include for executing the single chip circuit parsed and for executing logic control
CPLD circuit.
8. using the method for the system for realizing diesel engine speed regulation control described in any one of claim 1~7, feature exists
In this method includes：When carrying out speed regulating control to target diesel engine, the CAN protocol resolution unit（2）Receiver car owner controls
The control data of system output call corresponding protocol module to receiving according to the CAN communication protocol type of required execution
Control data are parsed, and the control data parsed are sent to the electric spray control system of target diesel engine；Target diesel engine
The real-time outputting operating data of electric spray control system, the CAN protocol resolution unit（2）The operation data is received, and is called
Corresponding protocol module feeds back to locomotive master control system after being parsed to the operation data received.
9. according to the method described in claim 8, it is characterized in that, the described pair of control data received parse specifically
For：Pass through the Bus Interface Unit（1）Middle dual port RAM module（11）It receives two-way and controls data, call corresponding association respectively
View module is parsed to controlling data described in two-way, and the control data parsed pass through the CAN communication unit respectively（3）
Middle two-way or CAN communication access is sent all the way；The described pair of operation data received is parsed specially：By described
CAN communication unit（3）Middle two-way CAN communication access receives all the way or two-way operation data, calls corresponding protocol module to institute
It states operation data to be parsed, the operation data parsed passes through the dual port RAM module（11）It is sent.
10. according to the method described in claim 9, it is characterized in that, it is described when being parsed especially by reading the twoport
RAM module（11）The configuration information area of middle dual port RAM acquires the configuration including communication mode and data information to be resolved
Information, the communication mode includes the required CAN communication access used and CAN communication protocol type, according to acquisition
The configuration information is received by the data field of the dual port RAM, sends two paths of data.
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|---|---|---|---|---|
| CN109507931B (en) * | 2018-12-13 | 2020-10-02 | 中电智能科技有限公司 | Communication card based on CAN open communication protocol |
| CN111756734A (en) * | 2020-06-24 | 2020-10-09 | 江西安百川电气有限公司 | Internal interconnection communication interface and protocol of frequency converter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025132Y (en) * | 2007-04-03 | 2008-02-20 | 中国船舶重工集团公司第七一一研究所 | A digital electronic speed adjustor based on self-adapted control |
| CN102180428A (en) * | 2011-04-29 | 2011-09-14 | 中国人民解放军总后勤部建筑工程研究所 | Mini multifunctional cross-country forktruck |
| CN102277892A (en) * | 2011-06-23 | 2011-12-14 | 上海三一重机有限公司 | Controller area network (CAN)-bus-based excavator electrical component control system and method |
| CN102900543A (en) * | 2012-09-27 | 2013-01-30 | 哈尔滨工程大学 | Micro calibrating device for electron speed regulator of diesel engine |
| CN204037488U (en) * | 2014-06-30 | 2014-12-24 | 苏州南斗专利服务有限公司 | A kind of colliery dumping car system based on CAN network |
-
2016
- 2016-01-19 CN CN201610033260.8A patent/CN105587421B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025132Y (en) * | 2007-04-03 | 2008-02-20 | 中国船舶重工集团公司第七一一研究所 | A digital electronic speed adjustor based on self-adapted control |
| CN102180428A (en) * | 2011-04-29 | 2011-09-14 | 中国人民解放军总后勤部建筑工程研究所 | Mini multifunctional cross-country forktruck |
| CN102277892A (en) * | 2011-06-23 | 2011-12-14 | 上海三一重机有限公司 | Controller area network (CAN)-bus-based excavator electrical component control system and method |
| CN102900543A (en) * | 2012-09-27 | 2013-01-30 | 哈尔滨工程大学 | Micro calibrating device for electron speed regulator of diesel engine |
| CN204037488U (en) * | 2014-06-30 | 2014-12-24 | 苏州南斗专利服务有限公司 | A kind of colliery dumping car system based on CAN network |
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