CN102624439A - Integrated detection equipment for pico-satellite - Google Patents
Integrated detection equipment for pico-satellite Download PDFInfo
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Abstract
The invention discloses multifunctional integrated detection equipment for a pico-satellite. The integrated detection equipment comprises a wireless communication link module, a wired comprehensive test module, a temperature acquisition and control module, a solar cell simulator interface module, a control module, a data transmission and receiving module and a personal computer (PC) console, wherein the input ends of the wireless communication link module, the wired comprehensive test module, the temperature acquisition and control module and the solar cell simulator interface module are connected with the output end of the control module; the input end of the control module is connected with the output end of the data transmission and receiving module; and the input end of the data transmission and receiving module is connected with the output end of the PC console. The integrated detection equipment integrates the functions of a plurality of pieces of test equipment for the pico-satellite, is used for the control and monitoring of the pico-satellite and test in a pico-satellite research and development stage, and has high extensibility and system upgrading capability, and pico-satellite test data and pico-satellite telemetering data are shared through the Ethernet.
Description
Technical field
The present invention relates to control, monitoring and the development field tests of skin satellite, relate in particular to a kind of integrated detection equipment that is used for the skin satellite.
Background technology
The skin satellite is meant the satellite of weight between 1-10Kg, and it extensively adopts MNT (Micro-Nano Technology, micro-nano technology) and MEMS new and high technologies such as (Micro Electronic Mechanical System, Micro Electro Mechanical Systems); Functional density is high, and technical performance is strong, and radiation pattern is more flexible; Lead time is short, and development cost is low, design simplification; Volume is little, and expense is low, has reduced the risk of failure.
The integrated detection equipment of skin satellite is a requisite part in skin satellite test, the application system; It can be common to the various tests in different development of skin satellite; And can accomplish the satellite communication task on stage and ground in orbit; The descending telemetry that is used for receiving the skin satellite is resolved, to skin satellite transmission up-on command and inject data.In skin satellite development process different phase, need carry out lot of test, for example physical stress test, heat stress test, thermal vacuum test, electrical performance test etc.In different tests, need different testing equipments to cooperate completion for conventional method.These substantive test equipment bring certain pressure can for the management of equipment and maintenance.To this problem, the integrated detection equipment of skin satellite has been gathered the function of plurality of devices, on same set of hardware platform and controlling platform, can realize the test of skin satellite different phase.In addition in satellite stage in orbit, it can accomplish with the startup of the communicating by letter of Star Service computer, skin satellite with close, monitor in real time the skin satellitosis and make function such as control corresponding.The integrated detection equipment of skin satellite is skin satellite indispensable visual plant from develop whole in orbit process.
Publication number is that the patent application of 102064873A discloses a kind of skin satellite ground checkout equipment; Comprise: radio-frequency front-end, digital signal processing platform, instruction transmission and Data Receiving plate and PC control desk; Wherein, The output of said radio-frequency front-end is connected with the input of said digital signal processing platform; The output of said digital signal processing platform is connected with the input of said instruction transmission and Data Receiving plate, and the output of said instruction transmission and Data Receiving plate is connected with the input of PC control desk; Said radio-frequency front-end is used to receive skin satellite downlink radio-frequency signal and it is mixed to descending intermediate-freuqncy signal, and outputs to digital signal processing platform; And will be mixed to up radiofrequency signal and output to the skin satellite by the up intermediate-freuqncy signal of digital signal processing platform input; Said digital signal processing platform is used to modulate the up-on command data of being sent by instruction transmission and Data Receiving plate and be input to radio-frequency front-end; With being carried out demodulation and output to instruction, the descending intermediate-freuqncy signal of radio-frequency front-end output sends and the Data Receiving plate; And produce local distance measuring signal with than mutually, and will output to instruction than phase result and send and the Data Receiving plate; Said instruction transmission and Data Receiving plate are used to receive the data that the PC control desk sends out, and after instruction identification, the output dependent instruction is to digital signal processing platform; The downlink data of receiving digital signals processing platform carries out level conversion to it, and sends to the PC control desk simultaneously; Said downlink data comprise the descending telemetry of skin satellite with than result mutually; Said PC control desk is used to receive the data that instruction is sent and the Data Receiving plate sends, and carries out the descending telemetry of skin satellite and separates frame, and carry out ranging information and resolve the actual height that calculates the skin satellite; Send instructions to instruction simultaneously and send and the Data Receiving plate, the control ground checkout equipment is accomplished up remote control command transmission, descending telemetry receives and the range finding action.
There is following weak point in the disclosed technical scheme of above-mentioned patent application:
1. function singleness can't independently be accomplished all test jobs when the skin satellite ground is tested, and in test process, must unite other testing equipments and test jointly.
2.PC control desk adopts the UART mode to realize transmission, the Data Receiving of instructing and since the UART traffic rate limit, can't satisfy the skin satellite communication bandwidth of continuous development.
3. adopt the structure of secondary up-conversion, down-conversion in the wireless communication link, the upper and lower frequency conversion structure of one-level is comparatively complicated relatively, and the loss of signal quality is bigger.
Summary of the invention
The invention provides a kind of integrated detection equipment of multi-functional skin satellite, be used for the test of control, monitoring and the skin satellite development of skin satellite.
A kind of integrated detection equipment of skin satellite comprises: wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module, control module, data sending/receiving module and PC control desk.Wherein, The input of said wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module all with control module output be connected; The input of said control module is connected with the output of said data sending/receiving module, and the input of said data sending/receiving module is connected with the output of PC control desk.
Further, said wireless communication link module comprises: 1 tunnel uplink elements and 1 road down link unit.Uplink elements wherein; Be used for the fundamental frequency digital signal of transmitting control module; Carry out carrier modulation to digital medium-frequency signal through the digital uplink signal processing unit; Carry out digital to analog converter and convert analog if signal into, be radiofrequency signal with conversion of signals finally and be emitted to the skin satellite to this radiofrequency signal through antenna through up radio frequency sending set; Said down link unit; Also this signal is downconverted to analog if signal through downlink radio frequency receiver received RF signal; Be sampled as digital medium-frequency signal through analog to digital converter, be demodulated into the digital baseband signal through descending digital signal processing unit and pass to control module and carry out data processing.
Said wired integrated test module comprises: a UART (asynchronous serial transmitting-receiving) fictitious host computer, level transferring chip, standard serial port.Wherein said UART fictitious host computer forms by programmable logic cells is virtual; Control module is accomplished reception, the transmission of data through the control register of this UART fictitious host computer of read-write, the operating state of this fictitious host computer of frequency division register controlled through the register that reads and writes data; The Transistor-Transistor Logic level conversion of signals that said level transferring chip is sent the UART fictitious host computer is the RS-232 signal, outputs to skin satellite comprehensive testing interface through said standard serial port; Said level transferring chip will be the Transistor-Transistor Logic level signal from the skin satellite comprehensive testing data transaction that standard serial port receives, and after the UART fictitious host computer receives, send to control module.
Said temperature acquisition control module comprises: 6 groups of temperature acquisition control units.Every group of temperature acquisition control unit comprises No. 1 temperature sensor and 1 tunnel temperature control execution unit.
Further, said temperature acquisition control module, to the collection and the control of skin satellite table surface temperature, the external temperature environment is simulated in orbit the time to the skin satellite when being used for ground test.Said temperature sensor; Be used to gather the surface temperature of skin satellite; And convert the temperature signal of gathering into digital signal and be input to control module through iic bus, produce control signal corresponding, this signal controlling temperature control execution unit through the analysis of control module; Make that heating plate is constantly opened, closed in the temperature control execution unit, and then the ambient temperature of control skin satellite.
Said solar cell simulator interface module comprises: the 2nd UART fictitious host computer, level transferring chip, standard serial port.Be used to realize the control of control module, and receive voltage, the current data of from the solar cell simulator, gathering solar cell simulator operating state.Wherein said the 2nd UART fictitious host computer forms by programmable logic cells is virtual, and said level transferring chip is accomplished the conversion of Transistor-Transistor Logic level signal and RS-232 signal, and said standard serial port is used for and being connected of solar cell simulator.
Said control module comprises digital signal processor, SDRAM (synchronous DRAM), FLASH (flash memory).Wherein, FLASH is used for the storage of digital signal processor code, and SDRAM is used for the temporary of digital signal processor running data, code; Digital signal processor is responsible for receiving instruction and the data from the data sending/receiving module and resolving, and then sends instruction and receive data forwarding to the data sending/receiving module that these modules are returned to wireless communication link module, wired integrated test module, solar cell simulator interface module; Digital signal processor is responsible for analyzing the temperature data that comes from the collection of temperature acquisition control module simultaneously and is also constantly sent control signal.
Said data sending/receiving module comprises USB (USB) data-path elements and Ethernet data path unit.Said usb data path unit comprises USB interface chip, standard USB interface, is responsible for data are transmitted with the USB2.0 agreement between PC control desk and control module; Said Ethernet data path unit comprises network transceiving chip, network transformer, standard network interface, is responsible for data are transmitted with Ethernet protocol between PC control desk and control module.
Said PC control desk is used to receive the data that said data sending/receiving module sends, and carry out the down-transmitting data of skin satellite and resolve, and to handling from the data of said temperature acquisition control module, solar cell simulator interface module; Send instructions to said data sending/receiving module simultaneously, the control integrated detection equipment is accomplished the skin satellite data and is uploaded, and control temperature acquisition control module, solar cell simulator interface module are carried out work.
Different with traditional testing equipment, the present invention has accomplished a kind of integrated detection equipment of multi-functional skin satellite.In skin satellite ground test in the past,, will or use multiple devices to test simultaneously with different testing equipments in different development.In the test,, will use skin satellite comprehensive testing testing equipment in the skin satellite Proof-Of Principle stage in the past; In skin satellite principle prototype development, will use the terrestrial wireless testing equipment; In the skin satellite first sample development stage, will use satellite temperature environmental control equipment, solar cell simulator, terrestrial wireless testing equipment to carry out joint test.
The function of several kinds of testing equipments more than the present invention is integrated with unified hardware platform and unified PC control desk, can be accomplished different test assignments.The present invention can be used as earth station equipment in skin satellite stage in orbit, accomplishes control of skin satellite and the reception of data in orbit of skin satellite.The present invention increases USB interface, has strengthened the communication capacity of PC control desk and control module, to tackle the skin satellite communication bandwidth of continuous expansion, makes equipment have upwards adaptive capacity; Increased automatic control ability simultaneously, control module has certain automatic analysis, control ability, rather than all information all is transmitted to the PC control desk, alleviates the data processing pressure of PC control desk.
The present invention also increases Ethernet interface, makes equipment can be linked into Ethernet, and the PC control desk can carry out Long-distance Control to equipment through local area network (LAN), also makes equipment can data be mail to a plurality of PC control desks simultaneously, lets a plurality of test job personnel share test data.
The present invention externally adopts the interface of standard, equipment is possessed do not change the ability that equipment is upgraded of hardware configuration, is convenient to the ability expansion of the equipment in later stage; PC control desk of the present invention adopts unified Control Software, can selectively open, each assembly of closing device, and test data is carried out unified management, in time feeds back to the technical staff.
With patent publication No. is that the disclosed technical scheme of 102064873A is compared, and difference is:
1. patent publication No. is in the disclosed technical scheme of 102064873A, and instruction is sent and the Data Receiving plate adopts UART mode and PC control desk to accomplish transfer of data, and the present invention adopts USB and Ethernet mode to accomplish the mutual of PC control desk and control module data.UART is the communication mode of a low speed, and its maximum traffic rate is 38400bps, can't satisfy the requirement of the following high-speed communication of skin satellite; And the USB mode that the present invention adopts can be operated in fast mode with the rate communication of the highest 480Mbps, and the Ethernet mode that the present invention adopts can be operated in 100Mbps, and can accomplish sharing of test data through local area network (LAN).
2. for the wireless communication link function, the up link of the disclosed technical scheme of patent 102064873A adopts secondary up-conversion structure, and down link adopts secondary down-conversion structure.And the present invention adopts the software radio framework of standard; Up link adopts one-level up-conversion structure; Utilize the sinc effect of DAC output; Extract image frequency directly with the mode of RF local oscillator mixing, can be very flexibly under this structure method through the digital processing mode that changes the code element modulation have very strong upgrading ability, employing high-performance digital to analog converter AD9744 makes the traffic rate of up link reach 1Mbps under this framework; Down link of the present invention adopts one-level down-conversion structure; Radiofrequency signal is directly sampled through analog to digital converter after one-level mixing, filtering and is carried out digital processing; Under this structure, has very strong upgrading ability; And the characteristics that can give full play to Digital Signal Processing are carried out adaptive-filtering neatly, make this equipment work under complex electromagnetic environments more.
3. when signal mixing is to radio frequency in the disclosed technical scheme of patent 102064873A, outwards emission after a filtering, amplification; In the up link of the present invention signal mixing after the radiofrequency signal through two filtering, amplify and can more effectively suppress useless noise signal and outwards launch.
Compared with prior art, the present invention has following beneficial technical effects:
1) with respect in the past testing equipment, characteristics such as that the present invention has is multi-functional, high-speed communication ability, uniform data management have remedied in the past weakness such as testing equipment function singleness, substantive test equipment maintenance and management trouble, test data unified management ability be weak.Adopt unified hardware platform, be convenient to the management and the maintenance of equipment; Adopt unified control desk, be convenient to the unified management and the analysis of test data.
2) the present invention adopts USB interface and Ethernet interface to realize the data interaction of PC control desk and hardware device, has promoted traffic rate widely, and has made equipment have remote control ability.Satisfied the constantly demand of development of skin satellite communication bandwidth.
3) the present invention adopt high-performance digital signal processor participate in data analysis, to outer control, alleviate the data processing pressure of PC control desk, alleviated the communication pressure of PC control desk and control module simultaneously.
Description of drawings
Fig. 1 is the structural representation of the integrated detection equipment of skin satellite of the present invention.
Fig. 2 is the structural representation of uplink elements among the present invention.
Fig. 3 is the structural representation of down link unit among the present invention.
Fig. 4 is the structural representation of wired integrated test module among the present invention.
Fig. 5 is the structural representation of temperature acquisition control module among the present invention.
Fig. 6 is the structural representation of control module among the present invention.
Fig. 7 is the structural representation of data sending/receiving module among the present invention.
Fig. 8 is the structural representation of PC control desk among the present invention.
Embodiment
Specify the present invention below in conjunction with embodiment and accompanying drawing, but the present invention is not limited to this.
As shown in Figure 1, a kind of integrated detection equipment of skin satellite comprises: wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module, control module, data sending/receiving module and PC control desk.Wherein, The input of said wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module all with control module output be connected; The input of said control module is connected with the output of said data sending/receiving module, and the input of said data sending/receiving module is connected with the output of PC control desk.
The wireless communication link module is used to receive skin satellite downlink radio-frequency signal and it is demodulated into the digital baseband signal and outputs to control module, and the digital baseband signal is modulated to up radiofrequency signal and outputs to the skin satellite through antenna.
Wired integrated test module is used for the instruction and data that control module is sent is outputed to skin satellite comprehensive testing interface through standard serial port, and the data that the skin satellite returns are received through standard serial port.
The temperature acquisition control module is used to gather each surperficial temperature of skin satellite; And the temperature information that collects is exported to control module carry out analyzing and processing; Control module is controlled the temperature control execution unit of temperature acquisition control module; The work of decision heating plate is perhaps closed, and then the ambient temperature around the control skin satellite.Through the variation of ambient temperature in the process in orbit of this module simulation satellite.
Solar cell simulator interface module is used for the control signal of control module output is transferred to the solar cell simulator, and data such as the voltage of solar cell simulator collection, electric current are inputed to the control simulation, transfers to control module and carries out analyzing and processing.Through this module simulation satellite operating state of the solar cell under the different external photoenvironment in the process in orbit.
Solar cell simulator interface module comprises: the 2nd UART fictitious host computer, level transferring chip, standard serial port.Wherein said the 2nd UART fictitious host computer forms by programmable logic cells is virtual, and said level transferring chip is accomplished the conversion of Transistor-Transistor Logic level signal and RS-232 signal, and said standard serial port is used for and being connected of solar cell simulator.
Control module is the core component of whole hardware device; The control command, the data that are used to resolve from the PC control desk and come are distributed to wireless communication link module, wired integrated test module, solar cell simulator interface module to corresponding instruction, data framing again; Be used for receiving in real time the temperature signal of temperature acquisition control module, after handling through certain analysis, send control signal and give the temperature acquisition control module; Be used for receiving data, state information that wireless communication link module, wired integrated test module, solar cell simulator interface module are returned, finally issue the PC control desk through framing and handle.
The data sending/receiving module is used to accomplish the data interaction between PC control desk and the control module.The user can control hardware device with USB mode and Ethernet mode.
The PC control desk is used for receiving the data of returning from control module, and these data are separated frame, analysis, is undertaken managed storage to the data that the different operating module is returned by certain mode; Control command that the response test personnel send or the automatic control command sent of test script are instructed framing, and mail to control module.
Wherein, the wireless communication link module is made up of 1 tunnel uplink elements and 1 road down link unit.
As shown in Figure 2, uplink elements comprises: digital uplink signal processing unit, digital to analog converter, up radio frequency sending set.The fundamental frequency digital signal of transmitting in the control module; Carry out carrier modulation to digital medium-frequency signal through the digital uplink signal processing unit; Carry out digital to analog converter and convert analog if signal into, be radiofrequency signal with conversion of signals finally and be emitted to the skin satellite to this radiofrequency signal through antenna through radio frequency sending set.Wherein, the digital uplink signal processing unit is made up of BPSK sub-carrier modulation and PM carrier modulation, and wherethrough reason back digital baseband conversion of signals is a digital medium-frequency signal; Up radio frequency sending set unit directly upconverts to radiofrequency signal with the RF local oscillator signal mixing with the analog if signal of digital to analog converter output after filtering, amplification, pass through antenna transmission to the skin satellite through two-stage filtering, amplification again.
As shown in Figure 3, the down link unit comprises: downlink radio frequency receiver, analog to digital converter, descending digital signal processing unit.Also this signal is downconverted to analog if signal through downlink radio frequency receiver received RF signal; Be sampled as digital medium-frequency signal through analog to digital converter, be demodulated into the digital baseband signal through descending digital signal processing unit and pass to control module and carry out data processing.Wherein, Amplify through rf filtering during downlink radio frequency receiver received RF signal; Mirror image filtering is amplified; Through downconverting to analog if signal, amplify through two-stage filtering again and export to mode converter, wherein filtering amplification in the second level is to make the signal that gets into mode converter in certain amplitude range by its enlargement ratio of automatic gain controller control; Descending digital signal processing unit reverts to the digital baseband signal with the digital medium-frequency signal of analog to digital converter sampling through carrier recovery loop, DPSK demodulator and is input to control module and handles.
Wherein, wired integrated test module comprises: a UART fictitious host computer, level transferring chip, standard serial port.
As shown in Figure 4, wherein a UART fictitious host computer forms by logical resource among the FPGA is virtual, is made up of control register, frequency division register, data register, performance element.The course of work of control register control execution unit and the operating state that shows performance element; Serial ports sends the speed that receives and determines that by the frequency division register its bit rate is SCLK/DIV (SCLK is a system clock, and DIV is the numerical value of frequency division register); The data of data register storing waiting and the data that received; Control module is carried out work through several register controlled UART fictitious host computers more than reading and writing.Wherein level transferring chip adopts the MAX3232 of MAXIM company, realizes the conversion between Transistor-Transistor Logic level and the RS-232 level; Standard serial port adopts the nine needles serial port of standard, and FPGA adopts the XC6SLX150 of XILINX company.
Wherein, the temperature acquisition control module comprises 6 road temperature acquisition control units, and wherein every road temperature acquisition control unit comprises: temperature sensor, heat driven circuit, heating plate.
As shown in Figure 5, temperature sensor will be gathered skin satellite table surface temperature and be converted into digital signal, and control module is through the temperature signal in the iic bus reading temperature sensor, and wherein temperature sensor adopts the AD7416 of Analog Devices company; The heat driven circuit adopts the LMD18200 of National Semiconductor Corporation, and control module outputs to the PWM pin of LMD18200 with control signal, the output pin of LMD18200 will control heating plate unlatching, close; Heating plate adopts the diaphragm type heating plate to be convenient to be close to skin satellite surface.
Wherein, control module comprises: digital signal processor, SDRAM, FLASH.
As shown in Figure 6, after system powered on, digital signal processor was from the FLASH loading code, was transported to code among the SDRAM to bring into operation.In running; Digital signal processor receives from the data sending/receiving module and sends and next instruction, data, is distributed to wireless communication link module, wired integrated test module, solar cell simulator interface module to corresponding instruction, data framing again through resolving; Be used for receiving in real time the temperature signal of temperature acquisition control module, after handling through certain analysis, send control signal and give the temperature acquisition control module; Be used for receiving data, state information that wireless communication link module, wired integrated test module, solar cell simulator interface module are returned, finally issue the PC control desk through framing and handle.
Digital signal processor adopts the TMS320C6747 of Texas Instruments company, and SDRAM adopts the MT48LC16M16 of MICRON, and FLASH adopts the K9K8G08U0A of Samsung Electronics.
The step of design digital signal processor is following:
The first step: initialization digital signal processor; The related register of the state of intiating radio communication link module, the related register of wired integrated test module, temperature sensor, solar cell simulator etc., and the Data Receiving buffering area of each operational module of initialization;
Second step: be provided with that usb data receive to interrupt, the network interface Data Receiving is interrupted, wireless communication link receive interrupt, wired integrated test receive interrupt, the solar cell simulator receives and interrupts etc., stipulates that simultaneously the response method of each interrupt event promptly accomplishes the mapping of interrupt function;
The 3rd step: digital signal processor gets into the main program circulation, in this main program circulation, mainly accomplishes following three tasks.
1. read the control command that the PC control desk sends from usb data reception buffering area and Ethernet data reception buffering area in real time; Analyze these data and accomplish the instruction decoding, order accordingly, data again framing be distributed to wireless communication link module, wired integrated test module, solar cell simulator interface module.
2. read wireless communication link reception data buffer, wired integrated test reception data buffer, solar cell simulator reception data buffer in real time; These data are added frame head, postamble, check block composition Frame, and these Frames are mail to the data sending/receiving module.
3. receive the temperature signal of 6 road temperature acquisition control units through IIC (Inter-Integrated Circuit) Bus Real Time ground poll; Set each surperficial temperature of skin satellite according to the PC control desk; After the certain analysis processing; Change the pulse modulation width of output control signal, and control signal is sent to the temperature acquisition control module
Wherein, the data sending/receiving module comprises usb data path unit and Ethernet data path unit.
As shown in Figure 7, the usb data path unit is made up of standard USB interface, USB chip, and the Ethernet data path unit is made up of standard network interface, network transformer, network transceiving chip.Wherein, the USB chip adopts the CY7C68013A of CYPRESS, and the network transceiving chip adopts the LXT971AL of Intel Company, and network transformer and standard network interface adopt the integrated MIC24011-5101T-LF3 chip of MICREL company.USB chip CY7C68013A is the C8051 processor that has USB transmitting-receiving engine, need be configured it in the course of the work.
The step of design USB chip CY7C68013A is following:
The first step: initialization system variable, related interrupts register;
Second step: the device descriptor of configuration USB chip, equipment limit descriptor, high-speed configuration descriptor, character string descriptor '
The 3rd the step: with the USB chip configuration is the SLAVE-FIFO pattern, and with ENDPOINT2 be configured to the OUT end points, ENDPOINT4 is configured to the IN end points;
The 4th step: carry out USB device and rearrange act;
Wherein, the PC control desk comprises that data are separated the frame interpretation and the instruction framing sends.As shown in Figure 8, the data that receive the transmission of data sending/receiving module are separated frame through data, obtain the down-transmitting data of skin satellite, and to analyzing from the data of temperature acquisition control module, solar cell simulator interface module; Send instruction simultaneously, become certain format to accomplish the skin satellite data to data through wireless or wired mode the data framing to upload, and control temperature acquisition control module, solar cell simulator interface module are carried out work.
Claims (7)
1. the integrated detection equipment of a skin satellite; It is characterized in that; Comprise: wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module, control module, data sending/receiving module and PC control desk; Wherein, The input of said wireless communication link module, wired integrated test module, temperature acquisition control module, solar cell simulator interface module all is connected with the output of control module, and the input of said control module is connected with the output of said data sending/receiving module, and the input of said data sending/receiving module is connected with the output of PC control desk;
Said wireless communication link module comprises down link unit and uplink elements, and said down link unit is used to receive skin satellite downlink radio-frequency signal and it is demodulated into the digital baseband signal and outputs to control module; Said uplink elements is modulated to the digital baseband signal up radiofrequency signal and outputs to the skin satellite through antenna;
Said wired integrated test module comprises a UART fictitious host computer, level transferring chip and standard serial port; Said wired integrated test module is used for the instruction and data that control module is sent is outputed to skin satellite comprehensive testing interface through standard serial port, and the data that the skin satellite returns are received through standard serial port;
Said temperature acquisition control module comprises temperature collecting cell and temperature control execution unit, said temperature collecting cell collecting temperature data, and described control module is through the temperature data in the iic bus reading temperature sensor; Said temperature control execution unit comprises heat driven device and heating plate, thereby the heat driven device decides opening of heating plate according to the control signal of control module and closes the control that realizes the satellite table surface temperature;
Said solar cell simulator interface module comprises the 2nd UART fictitious host computer, level transferring chip, standard serial port; Said solar cell simulator interface module is used for the instruction and data that control module is sent is outputed to the solar cell simulator through standard serial port, and electric current, the voltage data that the solar cell simulator returns received through standard serial port;
Said control module comprises digital signal processor, SDRAM and FLASH; Wherein FLASH is the memory space of digital signal processor code, and SDRAM is the temporarily providing room of data, code in the digital signal processor running; Digital signal processor is responsible for receiving instruction and the data from the data sending/receiving module and resolving, and then sends instruction and receive data forwarding to the data sending/receiving module that these modules are returned to wireless communication link module, wired integrated test module, solar cell simulator interface module; Digital signal processor is responsible for analyzing the temperature data that comes from the collection of temperature acquisition control module simultaneously and is also constantly sent control signal;
Said data sending/receiving module comprises usb data path unit and Ethernet data path unit; Said usb data path unit is responsible for data are transmitted between PC control desk and control module; Said Ethernet data path unit is responsible for data are transmitted with Ethernet protocol between PC control desk and control module;
Said PC control desk is used to receive the data that said data sending/receiving module sends, and carry out the down-transmitting data of skin satellite and resolve, and to handling from the data of said temperature acquisition control module, solar cell simulator interface module; Send instructions to said data sending/receiving module simultaneously, the control integrated detection equipment is accomplished the skin satellite data and is uploaded, and control temperature acquisition control module, solar cell simulator interface module are carried out work.
2. the integrated detection equipment of skin satellite according to claim 1 is characterized in that: the wireless communication link module comprises 1 tunnel uplink elements and 1 road down link unit.
3. the integrated detection equipment of skin satellite according to claim 1 and 2 is characterized in that: said uplink elements comprises: digital uplink signal processing unit, digital to analog converter, up radio frequency sending set; The fundamental frequency digital signal of transmitting in the described control module; Carry out carrier modulation to digital medium-frequency signal through the digital uplink signal processing unit; Carry out digital to analog converter and convert analog if signal into, be radiofrequency signal with conversion of signals finally and be emitted to the skin satellite to this radiofrequency signal through antenna through radio frequency sending set; Said down link unit comprises: downlink radio frequency receiver, analog to digital converter, descending digital signal processing unit; Also this signal is downconverted to analog if signal through downlink radio frequency receiver received RF signal; Be sampled as digital medium-frequency signal through analog to digital converter, be demodulated into the digital baseband signal through descending digital signal processing unit and pass to control module and carry out data processing.
4. the integrated detection equipment of skin satellite according to claim 1 is characterized in that: said temperature acquisition control module comprises 6 groups of temperature acquisition control units, and every group of temperature acquisition control unit comprises No. 1 temperature sensor and 1 tunnel temperature control execution unit.
5. the integrated detection equipment of skin satellite according to claim 1; It is characterized in that: a said UART fictitious host computer, the 2nd UART fictitious host computer are formed through logical circuit is virtual by FPGA, and it comprises control register, data register, frequency division register, execution logic unit; Described control module is provided with the operating state of this main frame through read-write control register, frequency division register, accomplishes the transmission and the reception of data through the register that reads and writes data.
6. the integrated detection equipment of skin satellite according to claim 1 is characterized in that: said data sending/receiving module comprises usb data path unit and Ethernet data path unit; Said usb data path unit comprises USB interface chip, standard USB interface, is responsible for data are transmitted with the USB2.0 agreement between PC control desk and control module; Said Ethernet data path unit comprises network transceiving chip, network transformer, standard network interface, is responsible for data are transmitted with Ethernet protocol between PC control desk and control module.
7. the integrated detection equipment of skin satellite according to claim 1 is characterized in that: described PC control desk links to each other with described control module with standard network interface through standard USB interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210069609.5A CN102624439B (en) | 2012-03-16 | 2012-03-16 | Integrated detection equipment for pico-satellite |
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| CN201210069609.5A CN102624439B (en) | 2012-03-16 | 2012-03-16 | Integrated detection equipment for pico-satellite |
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| CN102624439A true CN102624439A (en) | 2012-08-01 |
| CN102624439B CN102624439B (en) | 2014-04-16 |
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| CN103281114A (en) * | 2013-05-15 | 2013-09-04 | 浙江大学 | Device and method for processing signals of pico-satellite transmitters |
| CN103412808A (en) * | 2013-08-15 | 2013-11-27 | 航天东方红卫星有限公司 | Satellite task subsystem testing equipment based on field programmable gate array (FPGA) architecture |
| CN103425612A (en) * | 2013-07-26 | 2013-12-04 | 西北工业大学 | Low-power-consumption pico-satellite on-board computer system |
| CN104021061A (en) * | 2014-06-16 | 2014-09-03 | 西安航天恒星科技实业(集团)公司 | USB/PCI/LAN OC instruction satellite ground detection module |
| CN104216846A (en) * | 2014-08-12 | 2014-12-17 | 西北工业大学 | Pico-satellite computer system based on quad-core microprocessor of android mobile phone |
| CN104462188A (en) * | 2014-10-23 | 2015-03-25 | 北京空间飞行器总体设计部 | Spacecraft intelligent task planning test method and system |
| CN104539345A (en) * | 2014-12-26 | 2015-04-22 | 深圳航天东方红海特卫星有限公司 | Microsatellite multifunctional data testing system |
| CN105676851A (en) * | 2015-12-07 | 2016-06-15 | 烟台南山学院 | Pico-satellite computer system based on Android mobile phone quad-core processer |
| CN106603143A (en) * | 2016-11-29 | 2017-04-26 | 航天恒星科技有限公司 | Space station test platform and controller thereof |
| CN107291121A (en) * | 2017-06-30 | 2017-10-24 | 上海卫星工程研究所 | Satellite observing and controlling temperature technique implementation method |
| CN107770753A (en) * | 2017-09-28 | 2018-03-06 | 海南鑫北斗科技有限公司 | WIFI Internet application systems based on satellite fix |
| CN107992025A (en) * | 2017-12-07 | 2018-05-04 | 北京空间技术研制试验中心 | A kind of test system |
| CN108631854A (en) * | 2017-03-24 | 2018-10-09 | 波音公司 | Method and apparatus for the RF performances for testing satellite harness and signal processing unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103281114A (en) * | 2013-05-15 | 2013-09-04 | 浙江大学 | Device and method for processing signals of pico-satellite transmitters |
| CN103281114B (en) * | 2013-05-15 | 2017-12-01 | 浙江大学 | Device for processing signals of pico-satellite transmitters and method |
| CN103425612A (en) * | 2013-07-26 | 2013-12-04 | 西北工业大学 | Low-power-consumption pico-satellite on-board computer system |
| CN103412808A (en) * | 2013-08-15 | 2013-11-27 | 航天东方红卫星有限公司 | Satellite task subsystem testing equipment based on field programmable gate array (FPGA) architecture |
| CN103412808B (en) * | 2013-08-15 | 2017-03-01 | 航天东方红卫星有限公司 | A kind of Star Service subsystem test equipment based on FPGA framework |
| CN104021061A (en) * | 2014-06-16 | 2014-09-03 | 西安航天恒星科技实业(集团)公司 | USB/PCI/LAN OC instruction satellite ground detection module |
| CN104021061B (en) * | 2014-06-16 | 2016-02-10 | 西安航天恒星科技实业(集团)公司 | USB/PCI/LAN OC instruction satellite ground detection module |
| CN104216846A (en) * | 2014-08-12 | 2014-12-17 | 西北工业大学 | Pico-satellite computer system based on quad-core microprocessor of android mobile phone |
| CN104462188B (en) * | 2014-10-23 | 2017-09-12 | 北京空间飞行器总体设计部 | A kind of method of testing and system of the planning of spacecraft intelligent task |
| CN104462188A (en) * | 2014-10-23 | 2015-03-25 | 北京空间飞行器总体设计部 | Spacecraft intelligent task planning test method and system |
| CN104539345A (en) * | 2014-12-26 | 2015-04-22 | 深圳航天东方红海特卫星有限公司 | Microsatellite multifunctional data testing system |
| CN105676851A (en) * | 2015-12-07 | 2016-06-15 | 烟台南山学院 | Pico-satellite computer system based on Android mobile phone quad-core processer |
| CN106603143A (en) * | 2016-11-29 | 2017-04-26 | 航天恒星科技有限公司 | Space station test platform and controller thereof |
| CN106603143B (en) * | 2016-11-29 | 2020-03-17 | 航天恒星科技有限公司 | Space station test platform and controller thereof |
| CN108631854A (en) * | 2017-03-24 | 2018-10-09 | 波音公司 | Method and apparatus for the RF performances for testing satellite harness and signal processing unit |
| CN108631854B (en) * | 2017-03-24 | 2022-03-15 | 波音公司 | Apparatus and method for testing design of satellite payload transponder |
| CN107291121A (en) * | 2017-06-30 | 2017-10-24 | 上海卫星工程研究所 | Satellite observing and controlling temperature technique implementation method |
| CN107770753A (en) * | 2017-09-28 | 2018-03-06 | 海南鑫北斗科技有限公司 | WIFI Internet application systems based on satellite fix |
| CN107992025A (en) * | 2017-12-07 | 2018-05-04 | 北京空间技术研制试验中心 | A kind of test system |
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