CN106027350A - Large-scale road maintenance machine network control system design method - Google Patents
Large-scale road maintenance machine network control system design method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40221—Profibus
Abstract
The invention discloses a large-scale road maintenance machine network control system design method. The method comprises the steps of: enumerating types and numbers of input/output signals of a system according to an applied vehicle model control function; configuring the number of each module in the system according to the types and the numbers of the signals and application of the signals; configuring the number of a power module; configuring the number of a gateway module; distributing a digital input signal, a digital output signal and an analog input signal in the system to the corresponding modules; distributing a meter display signal and an alarming display signal in the system to a display module; writing application programs of the corresponding modules to realize logical relationships of various input/output; writing a top application program of the display module to display a meter signal and an alarming display; and writing a bottom application program of the display module to realize control and diagnosis operations of the corresponding modules. Through adoption of the method provided by the invention, technical problems in an existing method that the input and output point extending cost is higher, secondary construction of a system network architecture is complicated, and the cost performance of hardware is not high, are solved.
Description
Technical field
The present invention relates to railway engineering mechanical field, especially relate to a kind of large-scale maintenance machinery network based on two-stage CAN network
Control System Design method.
Background technology
As the core technology field of m of w engineering machinery, railway large-scale maintenance machinery electrical system is responsible for the various of full car
Operation and assist control task, be the brain of car load, directly commands the actions such as various operations, traveling and braking.From electrical control
For, it relates to simulate control, digital control, computer software, hardware, and electrical control, laser technology etc. are multiple
Aspect.
In the prior art, immediate with the present patent application for the applicant and Zhuzhou Nancheshidai Electric Co., Ltd in
Application on 03 14th, 2012, and on 04 23rd, 2014 bulletins, notification number was the patent of invention of CN102650878B
" a kind of large-scale maintenance machinery dcs and method for designing thereof ".The distributed control of large-scale maintenance machinery in this patent of invention
System processed have employed network structure based on primary network station control system, as shown in Figure 1.In fig. 1, primary network station control
System processed have employed the bottom module 1 n the bottom module to bottom module n, and from display module 1 to display module m's
M display module, and between modules, use fieldbus to interconnect.Bottom module includes power module, pulse recognition
The network control module such as module, gateway module and digital quantity input module, Analog input mModule, digital output module.As
Shown in accompanying drawing 2, for the principle of compositionality figure of primary network station control system.
Large-scale maintenance machinery Electrical System Network Control System Design method of the prior art is mostly based on distributed primary network station knot
Structure, it mainly has a techniques below defect:
(1) existing Control System Design method is owing to system network architecture is once built-up, just cannot not change as required
Carry out input and output point expansion in the case of communication network, and mould can only be controlled by increasing the bigger and relatively costly network of volume
Number of blocks extends input and output point, thus result in product and lack motility, and relatively costly；
(2) existing Control System Design method is along with the increase of network control module quantity, and system network architecture also there occurs change,
The bottom software making network control module needs to make more amendment, and the secondary of system network architecture builds and after-sale service becomes non-
The most loaded down with trivial details, cause and research and develop and being significantly increased of after cost；
(3) in existing Control System Design method, a part of interface function of network control module is only sent out at extension sensor, electronics
Use during motivation speed regulator, and the most of the time does not come into operation, and causes the hardware capabilities of module the most sufficiently to be sent out
Wave.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of large-scale maintenance machinery Networked Control System Design, it is possible to solve
The system extension input and output point that existing large-scale maintenance machinery Networked Control System Design exists is relatively costly, grid knot
Structure secondary builds complicated and that hardware cost performance is the highest technical problem.
In order to realize foregoing invention purpose, the present invention specifically provides a kind of large-scale maintenance machinery Networked Control System Design
Technic relization scheme, a kind of large-scale maintenance machinery Networked Control System Design, comprise the following steps:
S101: large-scale maintenance machinery network control system is set out according to vehicle control function to be applied and includes that digital quantity is defeated
Go out signal, digital quantity input signal, analog input signal in interior input/output signal kind and quantity；
S102: according to signal kinds and quantity and display module, main digital quantity input module, main number in signal purposes configuration system
Word amount output module, main Analog input mModule, digital quantity input expansion module, digital output expansion module, analog quantity are defeated
Enter the quantity of expansion module；
S103: according to display module, main digital quantity input module, main digital output module, main analog input mould in system
Block, digital quantity input expansion module, digital output expansion module, the particular number configuration power supply of analog input expansion module
The quantity of module；
S104: according to display module, main digital quantity input module, main digital output module, main analog input mould in system
Block, the particular number of power module configure the quantity of gateway module；
S105: the digital quantity input signal in system is distributed to described main digital quantity input module or digital quantity input expansion module
In, the digital output signal in system is distributed to described main digital output module or digital output expansion module, will
Analog input signal in system distributes to described main Analog input mModule or analog input expansion module；
S106: the instrument in system is shown in signal, alarm indication distribution extremely described display module；
S107: write described main digital quantity input module, main digital output module, the application journey of main Analog input mModule
Sequence, it is achieved the logical relation of various input/output；
S108: write the top level application program of described display module, it is achieved instrument signal and the display of alarm signal；
S109: write the bottom layer application program of described display module, it is achieved defeated to described main digital quantity input module, main digital quantity
Go out module, main Analog input mModule, digital quantity input expansion module, digital output expansion module and analog input extension
The control of module and diagnostic operation.
Preferably, described power module uses insulating power supply, carries for the described bottom module of 5～6 on described fieldbus networks
For DC source.Described pulse recognition module produces synchronization pulse, makes the module in described fieldbus networks realize automatically
Identify.Described display module employing touch screen is as Man Machine Interface, and can store data.
Preferably, described main digital quantity input module includes 8 channel input signal interfaces, and each passage can gather outside 2 tunnels
Low and high level signal, and realize the exchange of Fieldbus Based communication trunk network data by CAN1 communication interface, pass through CAN2
Communication interface extends Fieldbus Based communication I/O subnet, is connected based on RS232 communication protocol by RS232 communication interface
External equipment, and can provide to described external equipment and have the controlled DC field working power of short-circuit protection function.
Preferably, described gateway module provides relaying for described fieldbus networks, for expanding the communication of described communication backbone network
Distance or expand described communication I/O subnet, often has more described in 16 described bottom modules increases by 1 in described communication backbone network
Gateway module.
Preferably, described main Analog input mModule includes 8 channel input signal interfaces, is used for gathering analog input letter
Number, and realize the exchange of Fieldbus Based communication trunk network data by CAN1 communication interface, expanded by CAN2 communication interface
Open up Fieldbus Based communication I/O subnet, connect outside based on RS232 communication protocol by RS232 communication interface and set
Standby, and DC field working power can be provided to described external equipment.
Preferably, described main digital output module includes 8 multi-channel output signal interfaces, can export and have real-time current monitoring
With high level signal or the pwm pulse signal of overcurrent protection function, and realized Fieldbus Based logical by CAN1 communication interface
Letter backbone network data exchange, is extended Fieldbus Based communication I/O subnet by CAN2 communication interface, is communicated by RS232
Interface connects external equipment based on RS232 communication protocol.
Preferably, described large-scale maintenance machinery network control system also includes network top resistance and network terminal resistance, described net
Network top resistance is connected with the module being positioned at network top, and described network terminal resistance is connected with the module being positioned at the network terminal, institute
State network top resistance, network terminal resistance for eliminating signaling reflex for fieldbus networks.
Preferably, described digital quantity input expansion module includes 8 channel input signal interfaces, and each passage can gather outside 2 tunnels
Portion's low and high level signal, realizes Fieldbus Based communication I/O sub-network data by CAN communication interface and exchanges, and can be outwards
Portion's equipment provides the controlled DC field working power with overcurrent protection function.
Preferably, described analog input expansion module includes 8 channel input signal interfaces, is used for gathering analog input letter
Number, realize Fieldbus Based communication I/O sub-network data by CAN communication interface and exchange, and tool can be provided to external equipment
There is the controlled DC field working power of overcurrent protection function.
Preferably, described digital output expansion module includes 8 multi-channel output signal interfaces, can export and have real-time current prison
Survey the high level signal with overcurrent protection function or pwm pulse signal, and realize Fieldbus Based by CAN communication interface
Communication I/O sub-network data exchange, and the controlled DC field working power with overcurrent protection function can be provided to external equipment.
By implementing the technical scheme of the large-scale maintenance machinery Networked Control System Design that the invention described above provides, have as follows
Beneficial effect:
(1) method for designing of the present invention is owing to extending network control module so that two-stage fieldbus networks adds expansion module
Function, i.e. can extend the input and output point of network control module the most at any time easily；
(2) holding of method for designing of the present invention communication backbone network network structure based on two-stage CAN network is stablized constant, node
Increase and decrease can only communication I/O subnet be carried out, it is to avoid the software modification of master network, reduce producer and the service of user and dimension
Protect cost；
(3) method for designing of the present invention all comes into operation due to the two-way CAN communication interface of one side master network control module,
On the other hand extended network control module cutting partial function and only retain major function, and control strategy, arithmetic, logic
All concentrate on carry out in the master network control module of this module place I/O Subnetwork connection etc. complex calculation so that main, extension net
The hardware capabilities of network control module is all not fully exerted, without the idle waste of hardware resource；
(4) method for designing of the present invention is due to the master network control module that existing size is relatively big, configuration is stronger, has again that size is little, joins
Put economic and practical extended network control module so that two-stage CAN network can according to large-scale maintenance machinery function need into
Row is main, the collocation of the reasonably optimizing of extended network control module, reduces the once throwing that product uses while fully meeting demand
Enter cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described.It should be evident that the accompanying drawing in describing below is only the one of the present invention
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other embodiment.
Fig. 1 is the system architecture diagram of prior art large-scale maintenance machinery primary network station Control System NetWork；
Fig. 2 is the system structure composition schematic diagram of prior art large-scale maintenance machinery primary network station Control System NetWork；
Fig. 3 is the structural principle schematic diagram of a kind of detailed description of the invention of large-scale maintenance machinery network control system of the present invention；
Fig. 4 is the system architecture diagram of a kind of detailed description of the invention of large-scale maintenance machinery network control system of the present invention；
Fig. 5 is the system structure composition schematic diagram of a kind of detailed description of the invention of large-scale maintenance machinery network control system of the present invention；
Fig. 6 is the system structure composition schematic diagram of large-scale maintenance machinery network control system another kind detailed description of the invention of the present invention；
In figure: 1-bottom module, 2-mixed-media network modules mixed-media, 101-power module, 102-pulse recognition module, 103-display module,
The main digital quantity input module of 104-, 105-gateway module, the main Analog input mModule of 106-, 107-main digital output module,
108-network top resistance, 109-network terminal resistance, 110-digital quantity input expansion module, 111-analog input expanded mode
Block, 112-digital output expansion module.
Detailed description of the invention
For the sake of quoting and understanding, by the technical term being used below, write a Chinese character in simplified form or abridge and be described below:
The abbreviation of MAIM: main Analog input mModule (Master Analog Input Module), is two-stage fieldbus network
A kind of general module of network communication；
The abbreviation of MDIM: main digital quantity input module (Master Digital Input Module), is two-stage fieldbus network
A kind of general module of network communication；
The abbreviation of MDOM: main digital output module (Master Digital Output Module), is two-stage fieldbus
A kind of general module of network service；
The abbreviation of EAIM: analog input expansion module (Expanded Analog Input Module), is that two-stage is on-the-spot total
A kind of general module of line network service；
The abbreviation of EDIM: digital quantity input expansion module (Expanded Digital Input Module), is that two-stage is on-the-spot total
A kind of general module of line network service；
The abbreviation of EDOM: digital output expansion module (Expanded Digital Output Module), is that two-stage is on-the-spot
A kind of general module of bus network communication；
The abbreviation of PM: power module (Power Module), is a kind of mould providing power supply for other non-electrical module on network
Block；
The abbreviation of DM: display module (Display Module), is a kind of man-machine interaction based on embedded OS programming
Module；
The abbreviation of GM: gateway module (Gateway Module) is a kind of communication distance for extended network or expands subnet
General module；
The abbreviation of CAN: control area net（CAN） (Control Area Network), is a kind of effectively support distributed AC servo system or real-time
The serial communication network controlled；
A kind of serial physical interface standards that RS232: EIA formulates；
The abbreviation of NS: network sensor (Network Sensor), is a kind of sensor supporting CAN communication agreement；
The abbreviation of EMR: electronic engine speed regulator (Electronic Motor Regulator), is generally used for engine speed
Control with distributive value, operating condition monitoring, communication and diagnosis etc.；
Fieldbus: a kind of industry data bus, is bottom data communication network in automatic field.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, attached below in conjunction with in the embodiment of the present invention
Figure, carries out clear, complete description to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only this
A part of embodiment of invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The all other embodiments obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in accompanying drawing 3 to accompanying drawing 6, give the specific embodiment of large-scale maintenance machinery network control system of the present invention, below
In conjunction with the drawings and specific embodiments, the invention will be further described.
The specific embodiment of a kind of large-scale maintenance machinery Networked Control System Design based on said system, comprises the following steps:
S101: large-scale maintenance machinery network control system is set out according to vehicle control function to be applied and includes that digital quantity is defeated
Go out signal, digital quantity input signal, analog input signal in interior input/output signal kind and quantity；
S102: according to signal kinds and quantity and display module 103 in signal purposes configuration system, main digital quantity input module 104,
Main digital output module 107, main Analog input mModule 106, digital quantity input expansion module 110, digital output extend
Module 112, the quantity of analog input expansion module 111；
S103: according to display module in system 103, main digital quantity input module 104, main digital output module 107, main mould
Analog quantity input module 106, digital quantity input expansion module 110, digital output expansion module 112, analog input expanded mode
The quantity of the particular number configuration power module 101 of block 111；
S104: according to display module in system 103, main digital quantity input module 104, main digital output module 107, main mould
Analog quantity input module 106, the particular number of power module 101 configure the quantity of gateway module 105；
S105: the digital quantity input signal in system is distributed to main digital quantity input module 104 or digital quantity input expansion module
In 110, the digital output signal in system is distributed to main digital output module 107 or digital output expansion module 112
In, the analog input signal in system is distributed to main Analog input mModule 106 or analog input expansion module 111；
S106: the instrument in system is shown that signal, alarm indication are distributed to display module 103；
S107: write main digital quantity input module 104, main digital output module 107, main Analog input mModule 106 should
By program, it is achieved the logical relation of various input/output；
S108: write the top level application program of display module 103, it is achieved instrument signal and the display of alarm signal；
S109: write the bottom layer application program of display module 103, it is achieved defeated to main digital quantity input module 104, main digital quantity
Go out module 107, main Analog input mModule 106, digital quantity input expansion module 110, digital output expansion module 112 and
The control of analog input expansion module 111 and diagnostic operation.
Power module 101 uses insulating power supply, provides+24V unidirectional current for 5～6 bottom modules 1 on fieldbus networks
Source.
Pulse recognition module 102 produces the synchronization pulse of 50Hz, makes the module in fieldbus networks realize automatically and identifies.
Display module (DM) 103 employing touch screen is as the Man Machine Interface of system, and can store data.
Main digital quantity input module (MDIM) 104 includes 8 channel input signal interfaces, and each passage can gather outside 2 tunnels
Low and high level signal, supports visual programming technique, and realizes backbone network data based on CAN by CAN1 communication interface
Exchange, by CAN2 communication interface extend communication I/O subnet based on CAN, by RS232 communication interface connect based on
The external equipment of RS232 communication protocol, and the controlled+24V DC field work with short-circuit protection function can be provided to external equipment
Make power supply.
Gateway module (GM) 105 provides relaying for CAN network, for expanding communication distance or the expansion of communication backbone network
Communication I/O subnet, often having more 16 bottom modules 1 in communication backbone network increases by 1 gateway module 105.
Main Analog input mModule (MAIM) 106 includes 8 channel input signal interfaces, be used for gathering ± 10.000V within
Analog input signal, supports visual programming technique, and realizes trunk netting index based on CAN by CAN1 communication interface
According to exchange, extend communication I/O subnet based on CAN by CAN2 communication interface, by RS232 communication interface linker
External equipment in RS232 communication protocol.In addition, each passage can provide ± 10.000V scene work to external equipment
Make power supply, wherein 7～8 passages can realize ± 10.000V or ± 15.000V work on the spot power supply signal output.
Main digital output module (MDOM) 107 includes 8 multi-channel output signal interfaces, supports visual programming technique, energy
Output has real-time current monitoring and the+24V high level signal of overcurrent protection function or pwm pulse signal, and is led to by CAN1
Letter interface realizes backbone network data based on CAN exchange, extends communication based on CAN by CAN2 communication interface
I/O subnet, connects external equipment based on RS232 communication protocol by RS232 communication interface.
Large-scale maintenance machinery network control system also includes network top resistance 108 and network terminal resistance 109, network top electricity
Resistance 108 is connected with the module being positioned at network top, and network terminal resistance 109 is connected with the module being positioned at the network terminal.Network begins
End resistance 108, network terminal resistance 109 are all the resistance of 120 ohm, for eliminating signaling reflex for fieldbus networks.
Digital quantity input expansion module (EDIM) 110 includes 8 channel input signal interfaces, and each passage can gather outside 2 tunnels
Portion's low and high level signal, realizes communication I/O sub-network data based on CAN by CAN communication interface and exchanges, and can be outwards
Portion's equipment provides the controlled+24V DC field working power with overcurrent protection function.
Analog input expansion module (EAIM) 111 includes 8 channel input signal interfaces, be used for gathering ± 10.000V within
Analog input signal, realize communication I/O sub-network data based on CAN by CAN communication interface and exchange, and can be to
External equipment provides the controlled+24V DC field working power with overcurrent protection function.
Digital output expansion module (EDOM) 112 includes 8 multi-channel output signal interfaces, can export and have real-time current prison
Survey+24V the high level signal with overcurrent protection function or pwm pulse signal, and realize total based on CAN by CAN communication interface
The communication I/O sub-network data exchange of line, and the controlled+24V DC field work with overcurrent protection function can be provided to external equipment
Make power supply.
As shown in accompanying drawing 3,4 and 5, concrete for the large-scale maintenance machinery network control system that designs based on method for designing of the present invention
Embodiment, including: the mixed-media network modules mixed-media 2 of the bottom module of 1～n 1,1～t, and the display module 103 of 1～m,
Being interconnected by fieldbus (CAN) real-time performance between modules, wherein, n, t and m are positive integer.Bottom
Module 1 includes power module 101, pulse recognition module 102, gateway module 105 and main digital quantity input module 104, main mould
The master network control modules such as analog quantity input module 106, main digital output module 107, and digital quantity input expansion module 110,
The extended network control modules such as analog input expansion module 111 and digital output expansion module 112.Mixed-media network modules mixed-media 2 includes
Network sensor (NS) supports the third party device that CAN communicates with electronic engine speed regulator (EMR) etc..Power module
101, pulse recognition module 102, display module 103, main digital quantity input module 104, gateway module 105, main analog quantity are defeated
Enter module 106 and main digital output module 107 forms communication backbone network.Digital quantity input expansion module 110, analog quantity are defeated
Enter expansion module 111, digital output expansion module 112 and mixed-media network modules mixed-media 2 and form the I/O subnet that communicates.Communication I/O subnet
By in main digital quantity input module 104, gateway module 105, main Analog input mModule 106, main digital output module 107
Any one or a few module be extended.
Extended network control module is except can be in addition to being extended master network control module, it is also possible to directly from gateway module 105
Or support to be extended on the equipment of CAN communication.Can by gateway module 105, extended network control module and display module 103
To constitute a simple network control system, as shown in Figure 6.This system can realize gathering the function such as data and control equipment,
And simple in construction, with low cost, can be used for mininet product or remote subnetwork expands.
Technical scheme is introduced as a example by on-scene communication bus by the above-mentioned specific embodiment of the present invention using CAN, but also may be used
With other scenes such as FF, Lonworks, DeviceNet, PROFIBUS, HART, CC-Link, WorldFIP, INTERBUS
Bus completes technical solution of the present invention as communication bus.
The above-mentioned specific embodiment of the present invention propose a kind of by backbone network and I/O subnet form based on two-stage CAN network large-scale
Road maintainance machinery Networked Control System Design, it is achieved that to large-scale maintenance machinery traveling, the decentralised control of operation function.Wherein,
Backbone network is made up of master network control module, power module 101, pulse recognition module 102, gateway module 105 etc..I/O
Net is made up of extended network control module, mixed-media network modules mixed-media 2 etc..Large-scale maintenance machinery Networked Control System Design of the present invention by
Relatively greatly and configure powerful master network control module in existing size, have again size little and configure economic and practical extended network control
Module, solve prior art use primary network station structure can only by increase relatively costly and analog input that volume is bigger,
The network control modules such as digital quantity input, digital output extend system input and output point quantity, it is impossible to regard to existing network control
Module carries out the technical problem of input and output point extension.Method for designing of the present invention, owing to using two-level network structure, solves existing
Technology causes communication network structure to change along with the increase of network control module quantity and causes network control module bottom software
Needing to make more amendment, system network architecture secondary builds and after-sale service becomes the technical problem such as loaded down with trivial details.Method for designing of the present invention
Owing to there being the master network control module being extended by existing interface, solve a network control module part in prior art
The technical problem that interface function is not used and causes module hardware ability not to be not fully exerted.Designed by the present invention
Large-scale maintenance machinery network control system based on two-stage CAN network have that capacity of resisting disturbance is strong, fast response time, cost relatively
Low, hardware utilization is high, system flexible configuration, versatility advantages of higher, it is adaptable to all vehicles in large-scale maintenance machinery field.
Additionally, the master networks such as main digital quantity input module 104, main digital output module 107, main Analog input mModule 106 control
Module supports visual programming technique, and expansible communication I/O subnet based on CAN, therefore has function expansibility high
Feature.Due to digital quantity input expansion module 110, digital output expansion module 112, analog input expansion module 111
The communication I/O subnet being built into mixed-media network modules mixed-medias 2 such as network sensor, electronic engine speed regulators is by main digital quantity input module
104, the master network control module such as main digital output module 107, main Analog input mModule 106 extension, communicate I/O subnet
In data have passed through the filtration of master network control module, therefore decrease the data traffic in communication backbone network, reduce communication
The bus occupation rate of backbone network, improves the response time of system.
By implementing the technical scheme of the large-scale maintenance machinery network control system that the specific embodiment of the invention describes, it is possible to produce such as
Lower technique effect:
(1) the large-scale maintenance machinery Networked Control System Design that the specific embodiment of the invention describes is owing to extending network control
Module so that two-stage fieldbus networks adds expansion module function, i.e. can be the most at any time to network control module
Input and output point extends easily；
(2) the large-scale maintenance machinery Networked Control System Design that the specific embodiment of the invention describes uses two-stage CAN net
Network structure, the holding of communication backbone network network structure is stablized constant, and communication I/O subnet can only be carried out by the increase and decrease of node, it is to avoid
The software modification of master network, reduces producer and the service of user and maintenance cost；
(3) the large-scale maintenance machinery Networked Control System Design that the specific embodiment of the invention describes is due to one side master network control
The two-way CAN communication interface of molding block all comes into operation, on the other hand extended network control module cutting partial function and
Only retain major function, and the complex calculation such as control strategy, arithmetic, logic are all concentrated on this module place I/O subnet even
The master network control module connect is carried out so that main, the hardware capabilities of extended network control module is all not fully exerted, without hard
Part resources idle is wasted；
(4) the large-scale maintenance machinery Networked Control System Design that the specific embodiment of the invention describes owing to existing size is relatively big,
Configure stronger master network control module, have again that size is little, configure economic and practical extended network control module so that two-stage CAN
Bus network can need to carry out leading according to large-scale maintenance machinery function, the reasonably optimizing collocation of extended network control module, is filling
Divide and while meeting demand, reduce the input cost that product uses.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other embodiments
Difference, between each embodiment, identical similar portion sees mutually.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction.Although this
Invention discloses as above with preferred embodiment, but is not limited to the present invention.Any those of ordinary skill in the art,
In the case of the spirit of the present invention and technical scheme, all may utilize the method for the disclosure above and technology contents to this
Bright technical scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore, every do not take off
From the content of technical solution of the present invention, the technical spirit of the foundation present invention is to any simple modification made for any of the above embodiments, equivalent
Replace, equivalence changes and modifies, and all still falls within the scope of technical solution of the present invention protection.
Claims (10)
1. a large-scale maintenance machinery Networked Control System Design, it is characterised in that comprise the following steps:
S101: large-scale maintenance machinery network control system is set out according to vehicle control function to be applied and includes that digital quantity is defeated
Go out signal, digital quantity input signal, analog input signal in interior input/output signal kind and quantity；
S102: according to signal kinds and quantity and display module (103), main digital quantity input module in signal purposes configuration system
(104), main digital output module (107), main Analog input mModule (106), digital quantity input expansion module (110),
Digital output expansion module (112), the quantity of analog input expansion module (111)；
S103: according to display module in system (103), main digital quantity input module (104), main digital output module
(107), main Analog input mModule (106), digital quantity input expansion module (110), digital output expansion module
(112), the quantity of particular number configuration power module (101) of analog input expansion module (111)；
S104: according to display module in system (103), main digital quantity input module (104), main digital output module
(107), main Analog input mModule (106), the particular number of power module (101) configure gateway module (105)
Quantity；
S105: the digital quantity input signal in system is distributed to described main digital quantity input module (104) or digital quantity input expansion
In exhibition module (110), the digital output signal in system is distributed to described main digital output module (107) or numeral
In amount output expansion module (112), the analog input signal in system is distributed to described main Analog input mModule (106)
Or in analog input expansion module (111)；
S106: the instrument in system is shown in signal, alarm indication distribution extremely described display module (103)；
S107: write described main digital quantity input module (104), main digital output module (107), main analog input
The application program of module (106), it is achieved the logical relation of various input/output；
S108: write the top level application program of described display module (103), it is achieved instrument signal and the display of alarm signal；
S109: write the bottom layer application program of described display module (103), it is achieved to described main digital quantity input module (104),
Main digital output module (107), main Analog input mModule (106), digital quantity input expansion module (110), numeral
Amount exports expansion module (112) and the control of analog input expansion module (111) and diagnostic operation.
Large-scale maintenance machinery Networked Control System Design the most according to claim 1, it is characterised in that: described electricity
Source module (101) uses insulating power supply, provides direct current for the described bottom module of 5～6 on described fieldbus networks (1)
Power supply；Described pulse recognition module (102) produces synchronization pulse, makes the module in described fieldbus networks realize automatically
Identify；Described display module (103) employing touch screen is as Man Machine Interface, and can store data.
Large-scale maintenance machinery Networked Control System Design the most according to claim 1 and 2, it is characterised in that: described
Main digital quantity input module (104) includes 8 channel input signal interfaces, and each passage can gather 2 tunnels outside low and high level letter
Number, and realize the exchange of Fieldbus Based communication trunk network data by CAN1 communication interface, expanded by CAN2 communication interface
Open up Fieldbus Based communication I/O subnet, connect outside based on RS232 communication protocol by RS232 communication interface and set
Standby, and the controlled DC field working power with short-circuit protection function can be provided to described external equipment.
Large-scale maintenance machinery Networked Control System Design the most according to claim 3, it is characterised in that: described net
Close module (105) and provide relaying for described fieldbus networks, for expanding the communication distance of described communication backbone network or expanding institute
Stating communication I/O subnet, often having more 16 described bottom modules (1) in described communication backbone network increases by 1 described gateway mould
Block (105).
5., according to the large-scale maintenance machinery Networked Control System Design according to any one of claim 1,2 or 4, it is special
Levy and be: described main Analog input mModule (106) includes 8 channel input signal interfaces, be used for gathering analog input letter
Number, and realize the exchange of Fieldbus Based communication trunk network data by CAN1 communication interface, expanded by CAN2 communication interface
Open up Fieldbus Based communication I/O subnet, connect outside based on RS232 communication protocol by RS232 communication interface and set
Standby, and DC field working power can be provided to described external equipment.
Large-scale maintenance machinery Networked Control System Design the most according to claim 5, it is characterised in that: described master
Digital output module (107) includes 8 multi-channel output signal interfaces, can export and have real-time current monitoring and overcurrent protection merit
The high level signal of energy or pwm pulse signal, and realize Fieldbus Based communication trunk network data by CAN1 communication interface
Exchange, by CAN2 communication interface extend Fieldbus Based communication I/O subnet, by RS232 communication interface connection based on
The external equipment of RS232 communication protocol.
7. according to the large-scale maintenance machinery Networked Control System Design according to any one of claim 1,2,4 or 6, its
It is characterised by: described large-scale maintenance machinery network control system also includes network top resistance (108) and network terminal resistance
(109), described network top resistance (108) is connected with the module being positioned at network top, described network terminal resistance (109)
Being connected with the module being positioned at the network terminal, described network top resistance (108), network terminal resistance (109) are for for on-the-spot
Bus network eliminates signaling reflex.
Large-scale maintenance machinery Networked Control System Design the most according to claim 7, it is characterised in that: described number
Word amount input expansion module (110) includes 8 channel input signal interfaces, and each passage can gather 2 tunnels outside low and high level letter
Number, realize Fieldbus Based communication I/O sub-network data by CAN communication interface and exchange, and tool can be provided to external equipment
There is the controlled DC field working power of overcurrent protection function.
9. according to the large-scale maintenance machinery Networked Control System Design according to any one of claim 1,2,4,6 or 8,
It is characterized in that: described analog input expansion module (111) includes 8 channel input signal interfaces, is used for gathering analog quantity
Input signal, realizes Fieldbus Based communication I/O sub-network data by CAN communication interface and exchanges, and can be to external equipment
The controlled DC field working power with overcurrent protection function is provided.
Large-scale maintenance machinery Networked Control System Design the most according to claim 9, it is characterised in that: described number
Word amount output expansion module (112) includes 8 multi-channel output signal interfaces, can export and have real-time current monitoring and overcurrent protection
The high level signal of function or pwm pulse signal, and realize Fieldbus Based communication I/O subnet by CAN communication interface
Data exchange, and can provide the controlled DC field working power with overcurrent protection function to external equipment.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561008A (en) * | 2018-12-19 | 2019-04-02 | 株洲时代电子技术有限公司 | A kind of track engineering vehicle network control method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020120888A1 (en) * | 2001-02-14 | 2002-08-29 | Jorg Franke | Network co-processor for vehicles |
| CN201818176U (en) * | 2010-08-27 | 2011-05-04 | 东南大学 | Intelligent door controller for doors of railway train |
| WO2011130885A1 (en) * | 2010-04-19 | 2011-10-27 | 新大洋机电集团有限公司 | Whole-vehicle integrated control system for mini electric car |
| CN102650878A (en) * | 2012-03-14 | 2012-08-29 | 株洲时代电子技术有限公司 | Large-scale road maintenance distributed type control system and design method thereof |
| US20120307836A1 (en) * | 2010-02-09 | 2012-12-06 | Tasuku Ishigooka | In-vehicle-data relaying device and vehicle control system |
| WO2013134923A1 (en) * | 2012-03-13 | 2013-09-19 | 青岛四方车辆研究所有限公司 | Train network device automatic test bed |
| CN103685560A (en) * | 2013-12-30 | 2014-03-26 | 长城汽车股份有限公司 | Network structure of automobile electronic system |
| CN204103539U (en) * | 2014-08-14 | 2015-01-14 | 嵊州市艾兰特企业管理咨询有限公司 | A kind of battery of electric vehicle management system |
-
2016
- 2016-05-23 CN CN201610341395.0A patent/CN106027350B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020120888A1 (en) * | 2001-02-14 | 2002-08-29 | Jorg Franke | Network co-processor for vehicles |
| US20120307836A1 (en) * | 2010-02-09 | 2012-12-06 | Tasuku Ishigooka | In-vehicle-data relaying device and vehicle control system |
| WO2011130885A1 (en) * | 2010-04-19 | 2011-10-27 | 新大洋机电集团有限公司 | Whole-vehicle integrated control system for mini electric car |
| CN201818176U (en) * | 2010-08-27 | 2011-05-04 | 东南大学 | Intelligent door controller for doors of railway train |
| WO2013134923A1 (en) * | 2012-03-13 | 2013-09-19 | 青岛四方车辆研究所有限公司 | Train network device automatic test bed |
| CN102650878A (en) * | 2012-03-14 | 2012-08-29 | 株洲时代电子技术有限公司 | Large-scale road maintenance distributed type control system and design method thereof |
| CN103685560A (en) * | 2013-12-30 | 2014-03-26 | 长城汽车股份有限公司 | Network structure of automobile electronic system |
| CN204103539U (en) * | 2014-08-14 | 2015-01-14 | 嵊州市艾兰特企业管理咨询有限公司 | A kind of battery of electric vehicle management system |
Non-Patent Citations (2)
| Title |
|---|
| 张利民: "铁路捣固车设备状态监测系统的设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 陈荣: "基于CAN总线的道岔捣固车分布式控制系统", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561008A (en) * | 2018-12-19 | 2019-04-02 | 株洲时代电子技术有限公司 | A kind of track engineering vehicle network control method |
| CN109561008B (en) * | 2018-12-19 | 2021-05-04 | 株洲时代电子技术有限公司 | Network control method for rail engineering vehicle |
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|---|---|
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