CN109143943A - A kind of beam control device and phased array antenna - Google Patents
A kind of beam control device and phased array antenna Download PDFInfo
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- CN109143943A CN109143943A CN201811312718.9A CN201811312718A CN109143943A CN 109143943 A CN109143943 A CN 109143943A CN 201811312718 A CN201811312718 A CN 201811312718A CN 109143943 A CN109143943 A CN 109143943A
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
- H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
-
- 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
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of beam control device and phased array antenna, beam control device includes: control module, control module includes microcontroller, and microcontroller is configured as receiving the adjustment information of the pointing direction of wave beam, and the calculating parameter of wave beam is obtained according to adjustment information；Computing module, computing module are coupled with control module, and computing module includes FPGA, and FPGA is configured as calculating the corresponding phase shift code of each phase shifter of wave beam according to calculating parameter；Wherein, phase shift code controls the pointing direction of wave beam for the phase transition of phase shifter.Beam control device of the invention has simplified architecture, the technical characterstic that at low cost, software development is simple, framework is versatile, control and operation ability is strong, hardware coupling is low.
Description
Technical field
The invention belongs to phase array antenna beam control technology field more particularly to a kind of beam control device and phased arrays
Antenna.
Background technique
Phased array antenna, i.e. phase controlling Electronically Scanned Array radar, phased array antenna have antenna beam scanning quickly,
Flexibly, mertialess characteristic, so as to shorten to the time needed for target echo detection, admission, information transmitting etc., and these are special
Property is realized by the distinctive beam control device of active phased array.Existing phase array antenna beam control device often root
It is divided into centralization, distributed, concentration-distribution according to corresponding control antenna element scale.
The position that beam control device is directed toward according to phase array antenna beam maximum value calculates each antenna element phase shift
Wave control required by device is digital, is transmitted to each phase shifter, controls the conversion of each phase shifter phase state, generation and wave
The corresponding phase distribution of Shu Zhixiang realizes the control to beam position.Importantly, the response time master of entire beam scanning
To depend on the response time of beam control device.
Existing beam control device: the centralized wave beam based on FPGA+DSP (digital signal processor) framework controls dress
Set, due to antenna array scale it is big caused by be difficult to meet the requirements with mutually computationally intensive real-time, and DSP power consumption is big, DSP need
Increase heat dissipation, DSP operation limited capacity；Based on the one chip solution of large-scale F PGA, software development difficulty is big, FPGA
Scale demand is big, implementation cost is high.
In order to solve the above problem, the present invention proposes a kind of beam control device.
Summary of the invention
Technical purpose of the invention is to provide a kind of beam control device and phased array antenna, and to solve, DSP power consumption is big, needs
Increase heat dissipation, DSP operation limited capacity, it cannot be big, FPGA for different magnitude control flexible expansions, software development difficulty
Big, the at high cost technical problem of scale demand.
To solve the above problems, the technical solution of the present invention is as follows:
A kind of beam control device, the wave beam for phased array antenna control, comprising:
Control module, the control module include programmable microcontroller, and the microcontroller is configured as receiving institute
The adjustment information for stating the pointing direction of wave beam obtains the calculating parameter of the wave beam according to the adjustment information；
Computing module, the computing module are of coupled connections with the control module, and the computing module includes FPGA, described
FPGA is configured as calculating phase shift code according to the calculating parameter；
Wherein, the phase shift code is that the phase shifter in the phased array antenna realizes that the wave control of phase state conversion is digital.
An embodiment according to the present invention, the FPGA include multiple wave beam control algolithm units, multiple wave beam controls
Algorithm unit processed is used for the parallel computation of multiple phase shift codes；
Wherein, each phase shift code corresponds to one of them described phase shifter in the phased array antenna.
An embodiment according to the present invention, the FPGA further include with phase driving unit, and the phase driving unit of matching is matched
It is set to and receives the phase shift code that multiple wave beam control algolithm units calculate, serioparallel exchange is carried out to multiple phase shift codes
Driving transmission data are obtained, and the driving is transmitted into data distributing to the phased array antenna.
An embodiment according to the present invention, the control module further include communications interface unit, the communications interface unit
For carrying out communication connection with external equipment.
An embodiment according to the present invention, the control module further include monitoring unit, and the monitoring unit is configured as
Monitor temperature, the BIT state of the beam control device.
An embodiment according to the present invention, the control module further include the first storage unit, display interface unit；Its
In,
First storage unit is the external expansion unit of the microcontroller, for extending the number of the microcontroller
According to storage capacity；
The display interface unit is used to connect with display equipment.
An embodiment according to the present invention, the computing module further include the second storage unit；Wherein,
Second storage unit is the external expansion unit of the FPGA, and the data for extending the FPGA store energy
Power.
A kind of phased array antenna implements the beam control device including above-mentioned any one.
The present invention due to using the technology described above, makes it have the following advantages that and actively imitate compared with prior art
Fruit:
(1) present invention setting control module and computing module, control module pass through microcontroller implementation apparatus of the present invention
System control, configuration, communication, computing module realizes the operation that the beam phase of apparatus of the present invention controls by FPGA, by wave beam
The function of control device is subdivided into two circuits, and the program that circuit therewith executes has been also divided into two parts, reduces wave beam
The complexity of the operation of control device improves the operational capability of beam phase, while being directed to different antennae unit scale, flexibly
The hardware size of control module and computing module or the quantity of beam control device of the invention are adjusted, concentration can be met
Formula, distribution, concentration-distributed beams control device design requirement, solve the one chip solution based on FPGA
FPGA scale demand is big, and the DSP power consumption of the solution based on FPGA and DSP is big, DSP needs to increase heat dissipation, DSP operation performance
Limited technical problem, has reached that simplified architecture, at low cost, software development is simple, framework is versatile, control and operation ability
By force, the low technical effect of hardware coupling；
(2) FPGA of the invention includes multiple wave beam control algolithm units, by the multiple phase shift codes of parallel computation, is improved
The computational efficiency of the phase shift code of wave beam control, solves the response time of entire beam scanning slow technical problem, has reached wave
The technical effect of the quick response of beam control；
(3) FPGA of the invention includes matching phase driving unit, by the way that phase shift code is carried out serioparallel exchange with phase driving unit,
The efficiency of transmission of phase shift code is improved, while by matching multiple wave beam control algolithm units with phase driving unit, and matches and mutually drive
The multiple phase shifters of unit simultaneous transmission solve the response time of entire beam scanning slow technical problem, have reached wave beam control
The technical effect of the quick response of system.
(4) monitoring unit of the invention executes the monitoring of the temperature, BIT state of beam control device by monitoring unit,
It solves the technical issues of monitoring running state of beam control device, has reached and improved beam control device safety, controllable
Technical effect.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of beam control device of the invention；
Fig. 2 is a kind of functional unit schematic diagram of beam control device of the invention.
Specific embodiment
A kind of beam control device proposed by the present invention and phased array antenna are made below in conjunction with the drawings and specific embodiments
It is further described.According to following explanation and claims, advantages and features of the invention will be become apparent from.
Embodiment 1
Referring to Fig. 1, the present embodiment provides a kind of beam control devices, comprising:
A kind of beam control device, the wave beam for phased array antenna control, comprising:
Control module, control module include programmable microcontroller, and microcontroller is configured as receiving the direction of wave beam
The adjustment information in direction obtains the calculating parameter of wave beam according to adjustment information；
Computing module, computing module are of coupled connections with control module, and computing module includes FPGA, and FPGA is configured as basis
Calculating parameter calculates phase shift code；Wherein, phase shift code is that the phase shifter in phased array antenna realizes the wave control that phase state is converted
It is digital.
The microcontroller of control module can be STM series, 51 series, AVR series, PIC series, EMC series etc., this
Embodiment is using STM32Coretex-M Series of MCU.It is existing compared to the beam control device using FPGA+DSP
Technology, DSP are digital signal processor, belong to microprocessor, use, are used for usually as the CPU in microcomputer system
Reach information processing in computer system, and the microcontroller that the present invention uses, microcontroller generally further include in addition to CPU
RAM, ROM, various interfaces, timer, interrupt schedule circuit.The microcontroller of control module can be used for running various small-sized real-time
Operating system, such as FreeRTOS, μ Cos are realized with giving full play to hardware controls advantage to the control of system, configuration, external
Communication.For the FPGA of the present embodiment using Altera Cyclone IV Series FPGA, FPGA can be according to magnitude control and wave beam
Neatly synthesis goes out suitable circuit to control algolithm demand, plays computing capability advantage and logical extension.
Control module can write the program of control module operation according to the demand for control of beam control device, and computing module can
The program of computing module operation is write according to the beam phase algorithm of beam control device, the program of the two operation is not unique
, personalizable Programming.
Referring to Fig. 1, control module and computing module is arranged in the present embodiment, and control module passes through the microcontroller implementation present invention
System control, configuration, the communication of device, computing module realize the operation that the beam phase of apparatus of the present invention controls by FPGA,
The function of beam control device is subdivided into two circuits, plays the control operational capability advantage and computing module of control module
Operational capability advantage is calculated, the control of wave beam is realized in the collocation of the two advantage, and the program that circuit therewith executes has been also divided into two
Part reduces the complexity of the operation of beam control device, improves the operational capability of beam phase, while being directed to not on the same day
The hardware size of line unit scale, flexible modulation control module and computing module or the number of beam control device of the invention
Amount can meet centralization, distributed, concentration-distributed beams control device design requirement, solve the single based on FPGA
The FPGA scale demand of piece solution is big.The scheme of solution compared to FPGA+DSP, the prior art generally uses DSP
As the computation processor of the program, to improve the operational capability of wave beam control, but also need to take into account other operations, so wave
The operational capability of beam control also can decrease, while the software and hardware of the currently existing scheme also can be therefore more complicated, then uses
Phase shift code is transmitted to phased array antenna and realizes wave beam control by FPGA.And technical solution of the present invention uses control module and calculating
Module, control module uses microcontroller, rather than uses direct processor (such as DSP), and computing module is realized using FPGA
The control of phase shift code reduces the scale of software and hardware, while beam control device is subdivided into control module and function, sufficiently sends out
The computing capability of FPGA and the control ability of microcontroller are waved, solves the DSP power consumption of the solution based on FPGA and DSP
Greatly, DSP needs the technical issues of increasing heat dissipation, DSP operation limited capacity, has reached that simplified architecture, at low cost, software development is simple
Technical effect single, framework is versatile, control and operation ability is strong, hardware coupling is low.
Embodiment 2
The present embodiment provides a kind of beam control devices based on embodiment 1:
Referring to Fig. 2, (Programable System may be programmed the PS in the control module corresponding diagram 2 based on microcontroller
System), the PL (Programable Logic, programmable logic) in the computing module corresponding diagram 2 based on FPGA.
It include multiple wave beam control algolithm units referring to Fig. 1, FPGA, multiple wave beam control algolithm units are for phase shift code
Parallel computation, wherein each phase shift code corresponds to one of phase shifter in phased array antenna, the number of wave beam control algolithm unit
Amount is related to the operational capability of FPGA, also related to the configuration of user setting, therefore its hardware size can be adjusted freely, to meet not
With wave beam magnitude control demand.The FPGA of the present embodiment includes multiple wave beam control algolithm units, passes through the multiple shiftings of parallel computation
Phase code improves the computational efficiency of the phase shift code of wave beam control, and the response time slow technology for solving entire beam scanning is asked
Topic has reached the technical effect of the quick response of wave beam control.
Referring to Fig. 1, the FPGA of the present embodiment further includes being configured as receiving with phase driving unit multiple with phase driving unit
The phase shift code that wave beam control algolithm unit calculates carries out serioparallel exchange to multiple phase shift codes and obtains driving transmission data, and will drive
The dynamic data distributing that transmits is to phased array antenna.It is controlled since the beam phase of antenna array is controlled by multiple phase shifters, such as this reality
The antenna array that example needs wave beam to control is applied, all phase shifters of antenna array are divided into mutiple antennas array, each antenna
Include one or more phase shifter in array, by the way that phase shift code is carried out serioparallel exchange with phase driving unit, improves phase shift code
Efficiency of transmission, while by matching multiple wave beam control algolithm units with phase driving unit, while making mutiple antennas array
Multiple phase shifters obtain phase shift code, improve the efficiency of transmission of antenna array, the response time for solving entire beam scanning is slow
The technical issues of, reach the technical effect of the quick response of wave beam control.
Referring to Fig. 1 and Fig. 2, the control module of the present embodiment further includes communications interface unit, communications interface unit be used for and
External equipment carries out communication connection, to realize the status monitoring of the system of beam control device, update upgrading, safeguard the logical of debugging
The communications interface unit of letter, the present embodiment can be one or more in the communication interfaces such as CAN, Ethernet, serial ports, IIC,
To meet the extraneous different communication demand with beam control device, can be fed back by communications interface unit to control centre current
Beam control device control the parameters such as pointing direction, antenna gain, the working frequency range of wave beam status monitoring information, can be with
The update and maintenance debugging that the system of beam control device is carried out by communications interface unit, can be connected by communications interface unit
It connects other external equipments and realizes communication, realize the Function Extension of beam control device.
Referring to Fig. 1, microcontroller further includes monitoring unit, and monitoring unit is configured as the temperature of monitoring beam control device
Degree, BIT state, BIT state includes the position state that microcontroller and FPGA itself are set, and in some of the present embodiment device
The customized position state with specific meanings in storage medium, such as the runing time, standby/operating status, wave beam phase of device
Close the states such as parameter.The monitoring unit of the present embodiment executes the temperature of beam control device, BIT state by monitoring unit
Monitoring, solves the technical issues of status monitoring of beam control device, has reached and has improved beam control device safety, controllable
Technical effect.
Preferably, the wave beam control algolithm unit of the present embodiment, to pass through with phase driving unit and monitoring unit program real
It is existing, these programs may include in one or more program storage device, while it is wave beam control algolithm unit, single with mutually driving
Member and monitoring unit also can be by external hardware realizations, such as a kind of general number with processor, memory and input/output interface
Word computer is realized.So the connection relationship between actual beam control device each unit can be due to the technical solution of realization
And it is different, if but these are different within the scope of the claims of the present invention and its equivalent technology, then still fall within
Within the protection scope of the present invention.
Referring to Fig. 2, the control module of the present embodiment further includes the first storage unit, display unit；Wherein, the first storage is single
Member is the external expansion unit of microcontroller, for extending the data storage capacities of microcontroller；Display interface unit is for connecting
Connect display equipment.First storage unit of the control module of the present embodiment is FLASH and SRAM, the scale root of the first storage unit
It is adjusted according to actual control needs, to increase maximum allowable program scale, arithmetic speed, the operation rule of control module operation
Mould, while display unit can connect the display devices such as LED, LCD, OLED.
Referring to Fig. 2, the computing module of the present embodiment further includes the second storage unit, differential input and output unit；Wherein,
Two storage units are the external expansion unit of FPGA, the data storage capacities for spread F PGA.Second storage of the present embodiment
Unit is SRAM and Nor FLASH, and differential input and output module uses 422 differential input and outputs, the scale of the second storage unit
It is adjusted according to actual control needs, to increase maximum allowable program scale, the arithmetic speed, operation of control module operation
Scale, while signal is transmitted by differential input and output unit, reach and increased the anti-interference ability of signal transmission, has effectively pressed down
Electromagnetic interference processed, and improve the technical effect of the accuracy of timing positioning.
Referring to Fig. 1, coupled between the control module and computing module of the present embodiment by FSMC interface.Control module and meter
It calculates and is coupled between module by FSMC interface, reduce the coupling between control module and computing module, solve wave beam control
The technical problem of device architecture complexity, reached simplified architecture, promoted data transmission bauds, improve hardware circuit flexibility reach
Technical effect.
Embodiment 3
The present embodiment provides a kind of based on the phased array antenna for implementing 2:
Referring to Fig. 1, the phased array radar of the present embodiment, including control centre, beam control device, antenna array, the wave beam
Control device includes the beam control device that any one of embodiment 1 and embodiment 2 require.
The present embodiment is according to comprehensive considerations such as the unit scales and structure interface of design objective and antenna, by selecting wave beam
The number of control device and corresponding magnitude control can construct centralization (single device controls entire antenna array), distribution
Formula (single device controls individual antenna array), concentration-distribution (single device control section aerial array) wave beam control dress
It sets, completes to control the wave beam of the phased array antenna of different scales, realize the design of the phased array antenna of different scales, reach phase
The technical effect that battle array control Antenna Design simplifies.
The present embodiment is controlled with control centre by beam control device and is communicated, it can be achieved that control centre is to multiple phased arrays
The functions such as control, monitoring, debugging, the maintenance of antenna reach the technical effect of the intelligent interconnection of phased array antenna.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode.Even if to the present invention, various changes can be made, if these variations belong to the model of the claims in the present invention and its equivalent technologies
Within enclosing, then still fall within the protection scope of the present invention.
Claims (8)
1. a kind of beam control device, the wave beam for phased array antenna is controlled characterized by comprising
Control module, the control module include programmable microcontroller, and the microcontroller is configured as receiving the wave
The adjustment information of the pointing direction of beam obtains the calculating parameter of the wave beam according to the adjustment information；
Computing module, the computing module are of coupled connections with the control module, and the computing module includes FPGA, the FPGA
It is configured as calculating phase shift code according to the calculating parameter；
Wherein, the phase shift code is that the phase shifter in the phased array antenna realizes that the wave control of phase state conversion is digital.
2. beam control device according to claim 1, which is characterized in that the FPGA includes multiple wave beam control algolithms
Unit, multiple wave beam control algolithm units are used for the parallel computation of multiple phase shift codes；
Wherein, each phase shift code corresponds to one of them described phase shifter in the phased array antenna.
3. beam control device according to claim 2, which is characterized in that the FPGA further includes matching phase driving unit,
It is described to be configured as receiving the phase shift code of multiple wave beam control algolithm units calculating with phase driving unit, to multiple institutes
It states phase shift code progress serioparallel exchange and obtains driving transmission data, and the driving is transmitted into data distributing to the phased array day
Line.
4. beam control device according to claim 1, which is characterized in that the control module further includes communication interface list
Member, the communications interface unit is used for and external equipment carries out communication connection.
5. beam control device according to claim 4, which is characterized in that the control module further includes monitoring unit,
The monitoring unit is configured as monitoring the temperature of the beam control device, BIT state.
6. beam control device described in -5 any one according to claim 1, which is characterized in that the control module further includes
First storage unit, display interface unit；Wherein,
First storage unit is the external expansion unit of the microcontroller, and the data for extending the microcontroller are deposited
Energy storage power；
The display interface unit is used to connect with display equipment.
7. beam control device described in -5 any one according to claim 1, which is characterized in that the computing module further includes
Second storage unit；Wherein,
Second storage unit is the external expansion unit of the FPGA, for extending the data storage capacities of the FPGA.
8. a kind of phased array antenna, which is characterized in that including beam control device as claimed in any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110471334A (en) * | 2019-07-30 | 2019-11-19 | 珠海纳睿达科技有限公司 | A kind of phased array beam control device and its control method |
| CN110676588A (en) * | 2019-09-25 | 2020-01-10 | 中国电子科技集团公司第五十八研究所 | Phase-shift wave control code hardware online adjusting system |
| CN110739544A (en) * | 2019-10-31 | 2020-01-31 | 上海无线电设备研究所 | ultra-wideband conformal phased-array antenna beam control system and method |
| CN110806578A (en) * | 2019-11-06 | 2020-02-18 | 中国科学院电子学研究所 | Beam control method and device and readable storage medium |
| CN111129775A (en) * | 2019-12-27 | 2020-05-08 | 中国航天科工集团八五一一研究所 | Method for realizing fast wave beam control |
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| CN113708083A (en) * | 2021-08-30 | 2021-11-26 | 湖南国科雷电子科技有限公司 | Broadband reconfigurable antenna feed network |
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