CN110109405A - A kind of control system and implementation method of Tacan navigation equipment - Google Patents
A kind of control system and implementation method of Tacan navigation equipment Download PDFInfo
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- CN110109405A CN110109405A CN201910529688.5A CN201910529688A CN110109405A CN 110109405 A CN110109405 A CN 110109405A CN 201910529688 A CN201910529688 A CN 201910529688A CN 110109405 A CN110109405 A CN 110109405A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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Abstract
The present invention relates to a kind of implementation method of the control system of Tacan navigation equipment, system is made of arm processor, RTC chip, A/D chip, FRAM flash memory, USB interface, I2C bus, fiber optical transceiver, CAN interface, 232 serial ports, LVDS interface;System constructs linux embedded system, and software is developed under linux embedded system, and Control System Software is made of bootstrap, kernel and DTB, file system, driver, application program.System application is divided into show process and control process, has the function of network communicating function, CAN communication, serial communication function, IO control acquisition function, AD acquisition function, display function.System versatility is good, scalability is good, stability is strong, traffic rate is high, response is fast, small in size, and interface is more, and function is complete, can meet 232,422, CAN, SPI, network, the communications such as optical fiber.
Description
Technical field
The present invention relates to the control systems and implementation method of a kind of Tacan navigation equipment, are used for Tacan navigation equipment and DME
Etc. equipment communication and control.
Background technique
In recent years, with the increasingly increase of domestic and international air base navigational aids, the requirement to equipment is also higher and higher.Previous generation
Tacan set control system control circuit be single-chip microcontroller+FPGA architecture, traffic rate is low, and communication response is slow, external interface
For serial ports and IO, and connector is complicated, and volume is big, and software is front and back program, and real-time is poor, and is easy to be interfered, this
Sample limits the subsequent development and function upgrading of product.For such case of current equipment, related research staff exists always
How research is gone to solve and be optimized.
Summary of the invention
In view of the shortcomings of the prior art, the present invention a kind of control system and implementation method of Tacan navigation equipment, should
System versatility is good, scalability is good, stability is strong, traffic rate is high, and communication response is fast, small in size, strong interference immunity.
The technical solution used in the present invention is: a kind of control system of Tacan navigation equipment, including DC/DC power supply mould
Block, remote controler, monitor, transmitter, receiver, liquid crystal display, compass module, Beidou module, wireless module, buzzer, metal
Key and indicator light;It is characterized by: the control system is connect by arm processor, RTC chip, A/D chip, FRAM flash memory, USB
Mouth, I2C bus, fiber optical transceiver, CAN interface, 232 serial ports, LVDS interface are constituted;
The arm processor be the system core, handled, computing function, arm processor respectively with RTC chip, A/D chip,
FRAM flash memory, USB interface, fiber optical transceiver connection, arm processor by CAN interface respectively with transmitter, receiver and prison
It surveys device to be connected, arm processor is connected by 232 serial ports with compass module, Beidou module, wireless module, and arm processor passes through
LVDS interface connects liquid crystal display, and arm processor is by the GPIO of I2C bus extension multichannel and buzzer, metal key-press and refers to
Show that lamp connects;The A/D chip connects AC/DC power module;
The acquisition of A/D chip progress analogue data;
The conversion of twisted pair and two kinds of optical fiber different transmission mediums may be implemented in fiber optical transceiver, can will be connected by optical fiber distant
It controls device and realizes long-range control;
Arm processor controls clock by RTC chip;
Arm processor is by FRAM flash memory come the parameter of storage system;
Arm processor uses the wide temperature chip of ARM Cortex-A5 technical grade of atmel corp, 2 64M*16 of outside extension
The total 256MB of DDR2 chip is as system running memory, wherein every is 16 bit wides, two panels is combined into 32 bit wides, a piece of mounting
In low 16 bit data bus, another is articulated in high 16 bit data bus.256M*8bit SLC NandFlash chip comes
Storing program therefor;
Fiber optical transceiver model TR-962D or UT-2177;
The network card chip of system connects Ethernet after passing through transformer, is connected by network interface with the network interface of computer end, computer end
Maintenance software can be communicated with system, reach control purpose.
A kind of implementation method of the control system of Tacan navigation equipment, which is characterized in that it is embedding that the system constructs linux
Embedded system, system software are developed under linux embedded system, Control System Software by bootstrap, kernel and
DTB, file system, driver, application program composition, steps are as follows:
(1) operating system detects code, and system component programming powers on rear system and start from NandFlash in NandFlash;
(2) bootload program, system bootstrap routine are divided into level-one and second level bootloader;
(3) running equipment tree;
(4) kernel is run;
(5) operating file system;
(6) loading application programs, application program are divided into show process and control process, are each responsible for display portion and communication control
Part, wherein communication control process be divided into network communication thread, CAN communication thread, AD collecting thread, I/O control collecting thread,
Serial port communication thread;
Control process each section major function in system application are as follows:
1) network communication thread mainly completes network communicating function, and control system has complete ICP/IP protocol stack, supports to work as
The network protocol of preceding mainstream, server or client as TCP/UDP access network, use in Tacan and distance-measuring equipment
Network communicating function is communicated with maintenance software, facilitates debugging and maintenance;
Control system obtains that the working condition of each working cell is i.e. normal or fault message from each working cell plate, defeated from each power supply
Each power work status information is obtained out, acquires the voltage of each power supply, these information are shown and looked by maintenance software and liquid crystal display
It askes, while by safeguarding software to system set-up parameters;
Control system realizes the data communication between remote controler by fiber optical transceiver, realizes that remote control equipment sets the machine
Standby state control and the reading of local equipment status information, in the case where being not connected to optical fiber, with wireless module and remote controler
It is communicated;
2) major function of CAN communication thread is led to by CAN interface and monitor, Receiver And Transmitter coding unit
Letter, control system send control, inquiry or setting instruction to receiver, monitor, transmitter coding unit by CAN bus
And it shows, while every monitoring parameters that monitor transmits in real-time reception CAN bus and being responded in time, including alarm
LED light shows, alerts the operation of the sound;
3) serial port communication thread, control system carry out the serial communication of RS232, can write communication protocol according to concrete application,
It realizes complete Serial Communication Function, realizes the communication of serial ports with compass module, Beidou module and wireless module in a device;
4) I/O controls collecting thread, and control system is adopted by the input that the input-output unit of I2C bus extension carries out digital quantity
Collection and output control, the quantity of maximum IO reach 256 tunnels, the alarm and bypass of monitor, the switching on and shutting down signal of transmitter, buzzing
Device, metal key-press and indicator light information are using such signal;
5) in simulation input, the acquisition of analogue data is carried out using A/D chip AD7992 for AD collecting thread, and input resolution ratio is 12
Bit, cooperation extend out the collection of simulant signal function that chip is up to 19 tunnels, i.e. AD adds 7 road AD of inside outside 12 tunnels, go forward side by side
Row filtering processing is finally needed according to application to realize alarm, output, store function;
Show process in system application mainly completes display task, and relevant content is shown, system has aobvious
Show interface, has extended out one piece of liquid crystal display and shown that interface is LVDS interface.
The invention has the advantages that: control system of the invention is in the scheduling of equipment each unit cooperation
Pivot has the function of information collection, information processing, information transmission and information storage concurrently.The control system of previous generation needs special
Peripheral chip realizes that this just occupies a large amount of resource.
The control system scalability is good, and control logic is clear, and communication speed is fast, mode is more, and performance is good, serial communication speed
Rate, which compares the previous generation with CAN port communications rate, promotion.
This system provides good man-machine interfaces, and the remote behaviour of Tacan system may be implemented by remote controler
Control.There is no remote controlers for the control system of the previous generation, can not achieve remote control.
System cost reduction, selected raw material are technical grade device reliable and stable on the market, so that procurement cycle,
Production cycle shortens, nearlyr by 30% than the control system cost cutting of the previous generation.Due to the optimization and upgrading of component, the volume of system
Also it reduces, easily facilitates installation and debugging and maintenance.
It after system research and development success, uses in tacan set rapidly, has more adapted to the requirement of environment, in some complexity
It is also applied in environment, the control system than the previous generation is suitable for working long hours under low temperature.
In short, this control system program is divided into show process and control process, have network communicating function, CAN logical
Telecommunication function, serial communication function, IO control acquisition function, AD acquire function, display function.This control system versatility is good, can
Favorable expandability, stability are strong, traffic rate is high, and communication response is fast, small in size, strong interference immunity, and it is more to can be used for Tacan, DME etc.
Kind of navigation equipment, interface is more, and function is complete, can meet 232,422, CAN, SPI, network, the communications such as optical fiber.
This control system can also be used in other navigation equipments.
Detailed description of the invention
Fig. 1 is circuit connection block diagram of the invention;
Fig. 2 is control logic flow chart of the invention.
Specific embodiment
Narration in detail is made to the present invention below in conjunction with attached drawing.
Referring to Fig.1, a kind of control system of Tacan navigation equipment, including DC/DC power module, remote controler, monitor, hair
Penetrate machine, receiver, liquid crystal display, compass module, Beidou module, wireless module, buzzer, metal key-press and indicator light;Its feature
Be: the control system is by arm processor, RTC chip, A/D chip, FRAM flash memory, USB interface, I2C bus, optical fiber transceiving
Device, CAN interface, 232 serial ports, LVDS interface are constituted.
Arm processor is the system core, is handled, computing function, arm processor respectively with RTC chip, A/D chip,
FRAM flash memory, USB interface, fiber optical transceiver connection, arm processor by CAN interface respectively with transmitter, receiver and prison
It surveys device to be connected, arm processor is connected by 232 serial ports with compass module, Beidou module, wireless module, and arm processor passes through
LVDS interface connects liquid crystal display, and arm processor is by the GPIO of I2C bus extension multichannel and buzzer, metal key-press and refers to
Show that lamp connects, A/D chip connects AC/DC power module.
The acquisition of A/D chip progress analogue data;
Fiber optical transceiver is limited using the safe science and technology of TR-962D model fiber optical transceiver or Shenzhen's space of TP-Link Technologies Co., Ltd.
The conversion of twisted pair and two kinds of optical fiber different transmission mediums may be implemented in the UT-2177 model fiber optical transceiver of company, can incite somebody to action
Remote controler is connected by optical fiber and realizes long-range control, and control system is furnished with network interface, is connected with the network interface of fiber optical transceiver, remote controler
It is connected to the optical fiber interface of fiber optical transceiver by optical fiber, the communication with remote controler can be realized, remote controler is to connect with optical fiber
The remote control equipment of mouth;
Arm processor controls clock by RTC chip;
Arm processor by FRAM flash memory come the parameter of storage system, related starting up's parameter including system, the phase of system
Close version information, alarming threshold parameter etc.;
Arm processor uses the wide temperature chip of ARM Cortex-A5 technical grade of atmel corp, 2 64M*16 of outside extension
The total 256MB of DDR2 chip is as system running memory, wherein every is 16 bit wides, two panels is combined into 32 bit wides, a piece of mounting
In low 16 bit data bus, another is articulated in high 16 bit data bus.256M*8bit SLC NandFlash chip comes
Storing program therefor, including system start desired guidance content, kernel, file system etc.;
The network card chip of system connects Ethernet after passing through transformer, is connected by network interface with the network interface of computer end, computer end
Maintenance software can be communicated with system, reach control purpose.
Referring to Fig. 2, a kind of implementation method of the control system of Tacan navigation equipment, the system constructs linux insertion
Formula system, system software are developed under linux embedded system, Control System Software by bootstrap, kernel and DTB,
File system, driver, application program composition, steps are as follows:
(1) operating system detects code, and system component programming powers on rear system and start from NandFlash in NandFlash;
(2) bootload program, system bootstrap routine are divided into level-one and second level bootloader;
(3) running equipment tree;
(4) kernel is run;
(5) operating file system;
(6) loading application programs, application program are divided into show process and control process, are each responsible for display portion and communication control
Part, wherein communication control process can be divided into network communication thread, CAN communication thread, AD collecting thread, I/O control gathering line
Journey, serial port communication thread;
Control process each section major function in system application are as follows:
1) network communication thread mainly completes network communicating function, and control system has complete ICP/IP protocol stack, supports to work as
The network protocol of preceding mainstream, server or client as TCP/UDP access network, use in Tacan and distance-measuring equipment
Network communicating function is communicated with maintenance software, facilitates debugging and maintenance;
Control system obtains that the working condition of each working cell is i.e. normal or fault message from each working cell plate, can be from each electricity
Source output obtains each power work status information, can acquire the voltage of each power supply, these information can pass through maintenance software and liquid crystal
Screen display inquiry, while can be by safeguarding software to system set-up parameters;
Control system realizes the data communication between remote controler by fiber optical transceiver, realizes that remote control equipment sets the machine
Standby state control and the reading of local equipment status information, in the case where being not connected to optical fiber, available wireless module and remote control
Device is communicated;
2) major function of CAN communication thread is led to by CAN interface and monitor, Receiver And Transmitter coding unit
Letter, control system send control, inquiry or setting instruction to receiver, monitor, transmitter coding unit by CAN bus
And it shows, while every monitoring parameters that monitor transmits in real-time reception CAN bus and being responded in time, including alarm
LED light shows, alerts the operation of the sound;
3) serial port communication thread, control system carry out the serial communication of RS232, can write communication protocol according to concrete application,
It realizes complete Serial Communication Function, realizes the communication of serial ports with compass module, Beidou module and wireless module in a device;
4) I/O controls collecting thread, and control system is adopted by the input that the input-output unit of I2C bus extension carries out digital quantity
Collection and output control, the quantity of maximum IO can achieve 256 tunnels, the alarm and bypass of monitor, transmitter switching on and shutting down signal,
Buzzer, metal key-press and indicator light information are using such signal;
5) in simulation input, the acquisition of analogue data is carried out using A/D chip AD7992 for AD collecting thread, and input resolution ratio is 12
Bit, cooperation, which extends out chip maximum, can achieve the collection of simulant signal function on 19 tunnels, i.e. AD adds 7 road AD of inside outside 12 tunnels,
And be filtered, it is finally needed according to application to realize alarm, output, store function;
Show process in system application mainly completes display task, and relevant content is shown, system has aobvious
Show interface, has extended out one piece of liquid crystal display and shown that interface is LVDS interface.
Claims (2)
1. a kind of control system of Tacan navigation equipment, including DC/DC power module, remote controler, monitor, transmitter, reception
Machine, liquid crystal display, compass module, Beidou module, wireless module, buzzer, metal key-press and indicator light;It is characterized by: described
Control system by arm processor, RTC chip, A/D chip, FRAM flash memory, USB interface, I2C bus,
Fiber optical transceiver, CAN interface, 232 serial ports, LVDS interface are constituted;
The arm processor be the system core, handled, computing function, arm processor respectively with RTC chip, A/D chip,
FRAM flash memory, USB interface fiber optical transceiver connection, arm processor by CAN interface respectively with transmitter, receiver and prison
It surveys device to be connected, arm processor is connected by 232 serial ports with compass module, Beidou module, wireless module, and arm processor passes through
LVDS interface connects liquid crystal display, and arm processor is by the GPIO of I2C bus extension multichannel and buzzer, metal key-press and refers to
Show that lamp connects;The A/D chip connects AC/DC power module;
The acquisition of A/D chip progress analogue data;
The conversion of twisted pair and two kinds of optical fiber different transmission mediums may be implemented in fiber optical transceiver, and system can be made to connect by optical fiber
It connects remote controler and realizes long-range control;
Arm processor controls clock by RTC chip;
Arm processor is by FRAM flash memory come the parameter of storage system;
Arm processor uses the wide temperature chip of ARM Cortex-A5 technical grade of atmel corp, 2 64M*16 of outside extension
The total 256MB of DDR2 chip is as system running memory, wherein every is 16 bit wides, two panels is combined into 32 bit wides, a piece of mounting
In low 16 bit data bus, another is articulated in high 16 bit data bus, and 256M*8bit SLC NandFlash chip comes
Storing program therefor;
Fiber optical transceiver model TR-962D or UT-2177;
The network card chip of system connects Ethernet after passing through transformer, is connected by network interface with the network interface of computer end, computer end
Maintenance software can be communicated with system, reach control purpose.
2. a kind of implementation method of the control system using Tacan navigation equipment described in claim 1, which is characterized in that described
System constructs linux embedded system, and system software is developed under linux embedded system, Control System Software by
Bootstrap, kernel and DTB, file system, driver, application program composition, steps are as follows:
(1) operating system detects code, and system component programming powers on rear system and start from NandFlash in NandFlash;
(2) bootload program, system bootstrap routine are divided into level-one and second level bootloader;
(3) running equipment tree;
(4) kernel is run;
(5) operating file system;
(6) loading application programs, application program are divided into show process and control process, are each responsible for display portion and communication control
Part, wherein communication control process be divided into network communication thread, CAN communication thread, AD collecting thread, I/O control collecting thread,
Serial port communication thread;
Control process each section major function in system application are as follows:
1) network communication thread mainly completes network communicating function, and control system has complete ICP/IP protocol stack, supports to work as
The network protocol of preceding mainstream, server or client as TCP/UDP access network, use in Tacan and distance-measuring equipment
Network communicating function is communicated with maintenance software, facilitates debugging and maintenance;
Control system obtains that the working condition of each working cell is i.e. normal or fault message from each working cell plate, defeated from each power supply
Each power work status information is obtained out, acquires the voltage of each power supply, these information are shown and looked by maintenance software and liquid crystal display
It askes, while by safeguarding software to system set-up parameters;
Control system realizes the data communication between remote controler by fiber optical transceiver, realizes that remote control equipment sets the machine
Standby state control and the reading of local equipment status information, in the case where being not connected to optical fiber, with wireless module and remote controler
It is communicated;
2) major function of CAN communication thread is led to by CAN interface and monitor, Receiver And Transmitter coding unit
Letter, control system send control, inquiry or setting instruction to receiver, monitor, transmitter coding unit by CAN bus
And it shows, while every monitoring parameters that monitor transmits in real-time reception CAN bus and being responded in time, including alarm
LED light shows, alerts the operation of the sound;
3) serial port communication thread, control system carry out the serial communication of RS232, can write communication protocol according to concrete application,
It realizes complete Serial Communication Function, realizes the communication of serial ports with compass module, Beidou module and wireless module in a device;
4) I/O controls collecting thread, and control system is adopted by the input that the input-output unit of I2C bus extension carries out digital quantity
Collection and output control, the quantity of maximum IO reach 256 tunnels, the alarm and bypass of monitor, the switching on and shutting down signal of transmitter, buzzing
Device, metal key-press and indicator light information are using such signal;
5) in simulation input, the acquisition of analogue data is carried out using A/D chip AD7992 for AD collecting thread, and input resolution ratio is 12
Bit, cooperation extend out the collection of simulant signal function that chip is up to 19 tunnels, i.e. AD adds 7 road AD of inside outside 12 tunnels, go forward side by side
Row filtering processing is finally needed according to application to realize alarm, output, store function;
Show process in system application mainly completes display task, and relevant content is shown, system has aobvious
Show interface, has extended out one piece of liquid crystal display and shown that interface is LVDS interface.
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CN206389376U (en) * | 2016-12-27 | 2017-08-08 | 天津七六四通信导航技术有限公司 | One kind digitlization Tacan receiver |
CN210109593U (en) * | 2018-12-10 | 2020-02-21 | 天津七六四通信导航技术有限公司 | Control system of TACAN navigation equipment |
-
2018
- 2018-12-10 CN CN201811505056.7A patent/CN109407591A/en active Pending
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2019
- 2019-06-19 CN CN201910529688.5A patent/CN110109405A/en active Pending
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US6944475B1 (en) * | 2000-08-30 | 2005-09-13 | Northrop Grumman Corporation | Transceiver-processor building block for electronic radio systems |
CN103217693A (en) * | 2013-03-27 | 2013-07-24 | 上海电机学院 | Vehicle navigation and remote service terminal, system and method based on beidou satellite system |
CN104698947A (en) * | 2015-03-25 | 2015-06-10 | 天津七六四通信导航技术有限公司 | Tactical air navigation system (TACAN) control and display system |
CN106484655A (en) * | 2016-10-21 | 2017-03-08 | 合肥哦走信息技术有限公司 | A kind of navigation scheduling system based on ARM kernel embedded computer software and hardware |
CN106647495A (en) * | 2016-12-23 | 2017-05-10 | 天津七六四通信导航技术有限公司 | Ultra-high-frequency range finder control system and realization method thereof |
CN206389376U (en) * | 2016-12-27 | 2017-08-08 | 天津七六四通信导航技术有限公司 | One kind digitlization Tacan receiver |
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