CN105044613B - Hi-Fi satellite load scene reproducer and method - Google Patents

Hi-Fi satellite load scene reproducer and method Download PDF

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Publication number
CN105044613B
CN105044613B CN201510465938.5A CN201510465938A CN105044613B CN 105044613 B CN105044613 B CN 105044613B CN 201510465938 A CN201510465938 A CN 201510465938A CN 105044613 B CN105044613 B CN 105044613B
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load
satellite
battery
change
scene
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CN105044613A (en
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杨同智
周汝志
盛开明
梁秀梅
余灵峰
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Shanghai Institute of Satellite Engineering
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Shanghai Institute of Satellite Engineering
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention provides a kind of Hi-Fi satellite load scene reproducer and method, it obtains satellite load situation of change using AD capture cards, utilize the Wave data driving AWG output loading change waveform of collection, load change waveform modulated electronic load quickly changes, so as to the situation of change of high-precision analog satellite load;Satellite battery is slowly varying system, the telemetry of battery meets battery initial value required precision, battery model is obtained using Storage Battery Simulation test equipment test battery, in load reappears, model data is imported into Storage Battery Simulation test equipment, high-precision analog battery, the initial state of Storage Battery Simulation test equipment is set according to telemetry, so as to the battery condition at high accuracy reduction satellite load scene;According to the arranges value of the solar cell simulation battle array software storage to power satellite, solar simulation battle array is set, goes back the externally fed state of protosatellite.

Description

Hi-Fi satellite load scene reproducer and method
Technical field
The present invention relates to satellite power supply and distribution system, specifically, refers to a kind of Hi-Fi satellite load and reappears Apparatus and method, applied in satellite power supply and distribution subsystem test and whole star integration test.
Background technology
Satellite includes a variety of loadtypes, and (such as the load that refrigeration machine is sawtooth waveforms change type, SAR radars bear for impulse type Carry etc.), and whole star load changes greatly during satellite operation, it is desirable to a satellite real load variation characteristic is obtained, will be loaded Characteristic repeatedly reappears in high precision, tests the power supply-distribution system performance of satellite;In addition in satellite failure investigation, arranged for ease of problem Look into, it is necessary to which high accuracy rebuilds the load context of satellite, investigation is repeatedly simulated in progress.
But use real satellite to load, battery, security be present, be difficult to quick the problem of repeating to establish state, meeting The life of storage battery and unit are impacted safely, the state of battery is also difficult to quickly be arranged to need state, it is therefore desirable to Establish a kind of Hi-Fi satellite load scene replay method, quickly can repeatedly establish satellite load, interior electric (battery) with Dispatch from foreign news agency (solar cell simulation battle array) state, reappear satellite power supply and distribution scene.
The present invention is exactly for a kind of measuring technology to solve the above problems.Currently without saying for the similar correlation technique of discovery Bright or report, is also not yet collected into data similar both at home and abroad.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of Hi-Fi satellite load scene to reappear Apparatus and method.
The present invention obtains satellite load situation of change in test process, using AD capture cards (or oscillograph), using adopting The Wave data driving AWG output loading change waveform of collection, load change waveform modulated electronic load quickly become Change, so as to the situation of change of high-precision analog satellite load;Satellite battery is slowly varying system, and the telemetry of battery meets Battery initial value required precision, battery model is obtained using Storage Battery Simulation test equipment test battery, is reappeared in load In, model data is imported into Storage Battery Simulation test equipment, high-precision analog battery, sets battery to imitate according to telemetry The initial state of true test equipment, so as to the battery condition at high accuracy reduction satellite load scene;According to power satellite The arranges value of solar cell simulation battle array software storage, sets solar simulation battle array, goes back the externally fed state of protosatellite.
According to a kind of Hi-Fi satellite load scene reproducer provided by the invention, including following device:
The AD capture cards of change waveform are loaded for gathering;
The AWG of change waveform is loaded for generating;
The electronic load for receiving input waveform modulation for analog satellite load;
Storage Battery Simulation test equipment for analog satellite battery;
Solar battery array simulator for the input of analog satellite dispatch from foreign news agency.
Preferably, the AD capture cards:For gathering bus load and unit load change waveform, it is specially:
Satellite bus current is through I/V change-over circuits on star (for example, high-precision milliohm resistance and difference amplifier, hall sensing Circuit etc.) voltage analog is converted to, the voltage analog is connected to ground, ground cable system, star by taking off plug-in cable on star Using AD capture cards collection satellite once, the wired measuring signal of secondary bus electric current, obtain the change feelings of satellite bus load Condition;For unit, the curent change situation of unit is measured by current clamp, obtains the situation of change that unit loads.
Preferably, the AWG:The satellite load current waveform information gathered for foundation AD capture cards, Output loading changes waveform to electronic load, modulation electronic load output.
Preferably, the electronic load:Loaded for analog satellite, be divided into two types:
One kind is high power load, and (63200 load series of such as chroma companies) are loaded for analog satellite bus;
Another kind is normal load, for simulating unit power consumption (the N3300 load series of such as Agilent companies), is received The load change waveform of AWG input, the consecutive variations of load are realized by waveform modulated.
Preferably, the Storage Battery Simulation test equipment:For by testing battery, obtaining filling for battery Electric discharge, voltage, electricity, internal resistance information, the model of battery is established, reappear scene in load instead of battery applications.Satellite stores Battery belongs to slowly varying system, has load and power supply duality, (APS of such as Agilent companies is high for Storage Battery Simulation test equipment Level power supply) possess power supply with load two as bumpless transfer function, by testing battery, obtain the charge and discharge of battery The information such as electricity, voltage, electricity, internal resistance, the high-precision model of battery is established, reappear scene in load instead of battery applications. Using storage battery analog device, one is easy for quickly establishing state (true battery is slowly varying system, it is difficult to quickly establishes state), Second, multiplicating test can be carried out (in load scene is reappeared, true battery is used for multiple times, damages battery life, and deposit In security risk).
Preferably, the solar battery array simulator:Powered for analog satellite solar battery array and export (such as Agilent The E4360 series of company), the dispatch from foreign news agency as satellite inputs.
According to a kind of high-fidelity using above-mentioned Hi-Fi satellite load scene reproducer provided by the invention Satellite load scene replay method, it is characterised in that this method includes two parts:Scene record is loaded to reappear with load scene, Comprise the following steps:
Step 1:Satellite load scene record, comprising satellite load is changed, battery condition and solar cell simulation battle array State is recorded;
Step 2:Satellite load reappear, comprising satellite load is changed, battery condition and solar cell simulation battle array state Reappeared.
Preferably, the step 1 comprises the following steps:
Step 101:Satellite bus current is converted to voltage telemetered signal through satellite I/V change-over circuits, and the voltage is distant Survey signal and be connected to ground through satellite cable net, de- plug-in cable, the ground AD capture cards high speed acquisition voltage telemetered signal, will adopt The voltage of collection is calculated by formula and obtains corresponding bus current value, obtains bus load change information;
Step 102:For unit, the situation of change of unit load current is measured by current clamp, unit load is obtained and becomes Change information;
Step 103:The bus load change information that AD capture cards gather is sent to PC with unit load change information Row analyzing and processing, obtain the Wave data of modulation bus electronic load and unit electronic load;
Step 104:Battery is tested by Storage Battery Simulation test equipment, obtains the discharge and recharge of battery, voltage, electricity Amount, internal resistance information, establish battery model;
Step 105:The status information of battery, the initial value as battery are extracted from satellite telemetering data;
Step 106:Real-time storage satellite solar cell simulates the arranges value and output state of battle array, the arranges value according to storage Also protosatellite dispatch from foreign news agency environment.
Preferably, the step 103 comprises the following steps:
Step 103.1:Unit load variation amount is deducted in bus load change information, bus electronic load is born with unit The change information separation of load;
Step 103.2:Load current variable quantity is normalized, processing costs is multiplied by AWG Maximum output value (10V), obtains the information that control AWG exports any ripple, and the waveform of any ripple is used to modulate Electronic load exporting change;
Preferably, the step 2 comprises the following steps:
Step 201:Corresponding time starting point is selected, satellite solar cell simulation battle array arranges value and output according to record State, set satellite solar cell to simulate battle array output, go back protosatellite external electric field scape;
Step 202:According to the battery model established, Storage Battery Simulation test system is set (such as Agilent APS7900 series), analog satellite battery;
Step 203:According to the voltage telemetered signal of recovery time point, determine that the original state of Storage Battery Simulation (is opened a way The information such as voltage, accumulator electric-quantity), because battery is slowly varying system, the refresh cycle of battery remote measurement is 0.5s~2s, can Meet the initial value required precision of Storage Battery Simulation.
Step 204:It is any that load current change information according to the collection of AD capture cards sets AWG to export Ripple;
Step 205:The bus load change waveform modulated high-power electronic load change of AWG output, it is right Electronic load continuous control, analog bus load change;
Step 206:The unit load change waveform modulated common power electronic load of AWG output, to electricity The quick continuous control of son load high accuracy, simulation unit load change.
Compared with prior art, the present invention has following beneficial effect:
1st, high fidelity satellite load scene replay method of the present invention provides a kind of satellite real load scene high accuracy The method of simulation, load scene can be quickly rebuild, the load of satellite, battery, solar battery array simulator is operated in setting Starting point, carry out repeatedly load scenario simulation.
2nd, measure method disclosed in this invention has to various model satellite power supply and distribution system testings and whole star integration test There is certain versatility, can be applied to all with satellite power supply and distribution system ground test and product development.
3rd, the invention provides a kind of whole star load of high-fidelity satellite, interior electric (battery) state and dispatch from foreign news agency (solar simulation Battle array) state scene record with live replay method, for fault scenes reproduction, power supply-distribution system test it is significant.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structured flowchart of the Hi-Fi satellite load scene reproducer of the present invention;
Fig. 2 is satellite load scene replay method flow chart of the present invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention Protection domain.
The present invention discloses a kind of Hi-Fi satellite load scene replay method, including:Satellite once, secondary bus electricity Flow through I/V change-over circuits and be converted to voltage signal, through satellite cable net, de- plug-in cable to ground, ground AD capture cards are at a high speed This voltage is gathered, corresponding bus current is calculated by formula, so as to obtain satellite bus high precision load change information, Popped one's head in by current clamp and gather satellite distribution branch curent change information, so as to obtain the high accuracy change waveform letter of unit load Breath;Battery is tested by Storage Battery Simulation test equipment, obtains battery model, battery is slowly varying system, satellite telemetry Battery telemetry intelligence (TELINT) can meet the initial value required precision of battery in data, and initial value and the model reduction according to battery store The running status of battery;The arranges value and output state of the real-time record storage simulation battle array of solar battery array control software, for also Protosatellite dispatch from foreign news agency scene;Satellite load, interior electric (battery) and dispatch from foreign news agency (solar cell simulation battle array) are completed by above step Scene record.The high-resolution load delta data driving AWG of usage record, output loading change waveform will To the waveform modulated interface of electronic load, electronic load can change according to the modulation waveform of input for the output of AWG Become output, realize high-precision load simulation;Storage Battery Simulation test equipment emulates battery according to the battery model measured, Related telemetry according to battery determines battery original state, completes electricity condition in satellite and reappears;According to record too Formpiston matroid arranges value, simulation battle array output is set, goes back protosatellite externally fed state;Finally so as to completing satellite load, interior electricity Reappeared with the scene of dispatch from foreign news agency.
To solve the problems, such as satellite load scene high accuracy fast playback, the present invention is using AD collectors (oscillograph), any Waveform generator, electronic load obtain and reappear satellite load situation of change in high precision, utilize Storage Battery Simulation test equipment Battery model is obtained, battery initial value is set according to telemetry, the quick foundation of satellite internal electric field scape is completed, utilizes the sun The record information for simulating battle array arranges value sets simulation battle array output, the quick foundation of the outer electrical environment of satellite is completed, it is achieved thereby that defending Star load, interior electricity, the quick high accuracy of dispatch from foreign news agency scene are established, and are easy to satellite problem investigation to be verified with power supply-distribution system test.
Step 1:Battery is tested using Storage Battery Simulation test equipment (the APS7900 series of such as Agilent companies), Obtain battery model (containing information such as electricity, voltage, internal resistances).
Step 2:Power satellite interface simulates battle array apparatus interconnection by de- plug-in cable with solar cell, ensures satellite dispatch from foreign news agency Path is correct.
Step 3:The wired monitoring signal of satellite bus current leads to ground by de- plug-in cable, and ground uses AD capture cards (or oscillograph) gathers bus load current change information.
Step 4:Current clamp probe is connected to the supply input interface for paying close attention to unit, the load of preparation for acquiring unit becomes Change information.
Step 5:Satellite powers up work, record satellite load, interior electricity, dispatch from foreign news agency status information:Gathered using AD capture cards female Linear load records simulation battle array configuration information and output state in real time with unit load change information, solar simulation battle array control software, Satellite gathers battery condition in real time, and by being passed under telemetry, battery is slowly varying system, the update cycle of battery remote measurement For 0.5s~2s, meet the required precision that battery condition determines.
Step 6:To sum up, load on-the-spot record is completed.As needed, selection needs the load varied sections reappeared, to area Information in section is handled, and obtains the shape information of modulation electronic load change.
Step 7:True battery is replaced using storage battery analog device, is interconnected with satellite power supply controller, first, can be fast It is fast repeatedly to establish electricity condition in the satellite needed, second, avoiding the damage to true battery, improve the peace that load reappears test Quan Xing.
Step 8:High power load is accessed into satellite bus, common power load is replaced into unit access satellite sub-power distribution Branch, complete to load bus the simulation with paying close attention to unit load.
Step 9:The waveform modulated interface of electronic load and AWG are interconnected, configuration electronic load is defeated Enter waveform modulated state.
Step 10:According to the configuration information of solar battery array simulator control software record, simulation battle array output is set, to defending Star powers up, and completes satellite dispatch from foreign news agency Environmental re-appearing.
Step 11:Storage Battery Simulation test equipment is configured, simulates true battery, according to the load change for needing to reappear The information of section, the original state of Storage Battery Simulation test equipment is set, battery condition is completed and reappears.
Step 12:Wave data is changed according to the load of record, controls AWG output waveform, high accuracy Modulate bus load with unit load to change, reduce satellite load scene change.
To sum up, can quickly, be repeatedly performed load scene reappear, tested.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (3)

1. a kind of high-fidelity satellite load scene replay method using Hi-Fi satellite load scene reproducer, it is special Sign is that this method includes two parts:Load scene record to reappear with load scene, comprise the following steps:
Step 1:Satellite load scene record, comprising satellite load is changed, battery condition and solar cell simulation battle array state Recorded;
Step 2:Satellite load reappears, comprising satellite load is changed, battery condition and solar cell simulation battle array state are carried out Reappear;
Wherein, the Hi-Fi satellite load scene reproducer, including following device:
The AD capture cards of change waveform are loaded for gathering;
The AWG of change waveform is loaded for generating;
The electronic load for receiving input waveform modulation for analog satellite load;
Storage Battery Simulation test equipment for analog satellite battery;
Solar battery array simulator for the input of analog satellite dispatch from foreign news agency;
The step 1 comprises the following steps:
Step 101:Satellite bus current is converted to voltage telemetered signal through satellite I/V change-over circuits, voltage remote measurement letter Number it is connected to ground, ground AD capture cards high speed acquisition voltage telemetered signal, by collection through satellite cable net, de- plug-in cable Voltage is calculated by formula and obtains corresponding bus current value, obtains bus load change information;
Step 102:For unit, the situation of change of unit load current is measured by current clamp, obtains unit load change letter Breath;
Step 103:The bus load change information that AD capture cards gather is sent to PC with unit load change information and divided Analysis is handled, and obtains the Wave data of modulation bus electronic load and unit electronic load;
Step 104:Battery is tested by Storage Battery Simulation test equipment, obtains the discharge and recharge of battery, voltage, electricity, interior Information is hindered, establishes battery model;
Step 105:The status information of battery, the initial value as battery are extracted from satellite telemetering data;
Step 106:Real-time storage satellite solar cell simulates the arranges value and output state of battle array, the arranges value reduction according to storage The outer electrical environment of satellite.
2. high-fidelity satellite load scene replay method according to claim 1, it is characterised in that the step 103 is wrapped Include following steps:
Step 103.1:Unit load variation amount is deducted in bus load change information, bus electronic load and unit are loaded Change information separates;
Step 103.2:Load current variable quantity is normalized, processing costs is multiplied by the maximum of AWG Output valve 10V, obtains the information that control AWG exports any ripple, and the waveform of any ripple is used to modulate Electronic Negative Carry exporting change.
3. high-fidelity satellite load scene replay method according to claim 1, it is characterised in that the step 2 includes Following steps:
Step 201:Corresponding time starting point is selected, satellite solar cell simulation battle array arranges value and output shape according to record State, set satellite solar cell to simulate battle array output, go back protosatellite external electric field scape;
Step 202:According to the battery model established, Storage Battery Simulation test system, analog satellite battery are set;
Step 203:The voltage telemetered signal of foundation recovery time point, determine the original state of Storage Battery Simulation;
Step 204:Load current change information according to the collection of AD capture cards sets AWG to export any ripple;
Step 205:The bus load change waveform modulated high-power electronic load change of AWG output, to electronics Load continuous control, analog bus load change;
Step 206:The unit load change waveform modulated common power electronic load of AWG output, to Electronic Negative Carry the quick continuous control of high accuracy, simulation unit load change.
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CN105446181A (en) * 2015-11-30 2016-03-30 上海卫星工程研究所 Integrated launching console for quick response satellite
CN105403843B (en) * 2015-12-07 2018-09-18 上海空间电源研究所 A kind of satellite power supply semi-physical system
CN107817781B (en) * 2017-09-22 2020-04-21 上海卫星工程研究所 Universal test equipment applied to satellite-borne multifunctional platform electronic single machine
CN107991621A (en) * 2017-11-24 2018-05-04 上海微小卫星工程中心 It is a kind of can analog satellite accumulator cell charging and discharging curve test device and method
CN108674699B (en) * 2018-05-21 2020-06-19 北京空间飞行器总体设计部 Satellite equivalent system of time-division multiplexing bipolar gating

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