CN111143911A - Data processing method and system for satellite temperature remote measurement - Google Patents
Data processing method and system for satellite temperature remote measurement Download PDFInfo
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- CN111143911A CN111143911A CN201911276341.0A CN201911276341A CN111143911A CN 111143911 A CN111143911 A CN 111143911A CN 201911276341 A CN201911276341 A CN 201911276341A CN 111143911 A CN111143911 A CN 111143911A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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Abstract
The invention provides a data processing method for satellite temperature remote measurement, which comprises the following steps: a data acquisition step: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement; fitting: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve; and (3) error analysis: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map. The invention can remotely measure the satellite temperature in batches by using programming software, and gives out processing errors in a graphical mode, thereby facilitating processing personnel to check processing results, and giving out all processing results of the remote measurement of the temperature in a report form, thereby facilitating the extraction of the results.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a data processing method and system for satellite temperature remote measurement.
Background
At present, a large number of temperature sensors exist in an orbiting satellite, and the working temperature of each working part of the satellite is measured through a thermistor and is provided for ground monitoring or a satellite control system for self temperature control, so that each working device of the satellite can work in a normal temperature environment. The number of satellite temperature telemetries is large, about 300 temperature telemetries exist for a 1000kg satellite, and during ground processing, a processing formula for each temperature telemetering needs to be given, so that a large amount of time is needed for manual processing, and human errors are easily caused, so that software capable of processing data in batches is needed for temperature telemetering processing.
Through inquiry, the following descriptions or reports of similar technologies to the present invention are found, but the contents of the invention are completely different, as shown below.
Patent CN 103698044A discloses a temperature measurement error analysis method based on satellite temperature telemetry, which comprises the following steps: step one, determining a best fitting equation of the thermistor; step two, the reference voltage is obtained by satellite downlink telemetering, and whether the reference voltage is consistent with the circuit design size is judged; if the reference voltages are consistent, no error is generated in the reference voltages; if the reference voltage is inconsistent with the reference voltage, determining a temperature measurement error caused by the deviation of the reference voltage; step three, before the temperature measurement matching resistor is installed, the resistance value of the temperature measurement matching resistor needs to be calibrated to obtain whether the resistance value is consistent with the designed value or not; if the two are consistent, no error is generated; if the two are not consistent, calculating a temperature measurement error caused by the deviation of the temperature measurement matching resistor; step four, calculating the quantization error range caused by the AD converter; and step five, comprehensively calculating and estimating the mathematical principle error of the satellite temperature measurement system.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a data processing method and a data processing system for satellite temperature telemetry.
The data processing method for satellite temperature telemetry provided by the invention comprises the following steps:
a data acquisition step: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement;
fitting: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve;
and (3) error analysis: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
Preferably, the temperature-resistance distribution table uses an xls file, and includes a list of temperature values and a list of resistance values.
Preferably, each sheet file in the xls file is named a telemetry code.
Preferably, in the error distribution map, the temperature is on the abscissa and the error value is on the ordinate.
Preferably, the method further comprises the following steps:
a report output step: and recording the telemetering code number and the corresponding error analysis result correspondingly to form a report and output.
The invention provides a data processing system for satellite temperature remote measurement, which comprises:
a data acquisition module: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement;
a fitting module: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve;
an error analysis module: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
Preferably, the temperature-resistance distribution table uses an xls file, and includes a list of temperature values and a list of resistance values.
Preferably, each sheet file in the xls file is named a telemetry code.
Preferably, in the error distribution map, the temperature is on the abscissa and the error value is on the ordinate.
Preferably, the method further comprises the following steps:
a report output module: and recording the telemetering code number and the corresponding error analysis result correspondingly to form a report and output.
Compared with the prior art, the invention has the following beneficial effects:
the invention can remotely measure the satellite temperature in batches by using programming software, and gives out processing errors in a graphical mode, thereby facilitating processing personnel to check processing results, and giving out all processing results of the remote measurement of the temperature in a report form, thereby facilitating the extraction of the results.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a table of temperature-resistance distributions for an embodiment of the present invention;
FIG. 3 is a schematic view of a fitted curve according to an embodiment of the present invention;
fig. 4 is a report diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, a data processing method for satellite temperature telemetry provided by the invention includes:
a data acquisition step: and reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement.
Fitting: and fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve.
And (3) error analysis: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
A report output step: and recording the telemetering code number and the corresponding error analysis result correspondingly to form a report and output.
The xls file is represented by a satellite power subsystem thermistor as shown in fig. 2, each sheet file stores temperature-resistance value distribution data of a thermistor, each sheet file is named as a corresponding telemetering code, after clicking starts, software reads each sheet file in sequence, for example, the temperature value and the resistance value of the thermistor start to be read from the second line in TMN032, and data end is automatically read.
The order of the data processing result is set, a mouse can be clicked to press an order up-down key to select the required order, and the example selects the output order to be 3.
And (3) running software, wherein the software adopts a relevant algorithm to give a processed fitting curve, the software gives a processed temperature result according to the fitting curve by taking the resistance value as input, performs error analysis on the temperature processing result and an actual value, gives an error value, and gives a distribution graph of the processing error by taking the temperature as an abscissa and the processing error as an ordinate, as shown in fig. 3.
The software automatically extracts the temperature telemetry code, correspondingly records the processing result of each temperature telemetry with the temperature telemetry code, and places the processing result at the designated position of the last temperature telemetry file to form a report output, as shown in fig. 4.
According to the data processing method for satellite temperature remote measurement provided by the invention, the invention also provides a data processing system for satellite temperature remote measurement, which comprises the following steps:
a data acquisition module: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement;
a fitting module: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve;
an error analysis module: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A data processing method for satellite temperature telemetry is characterized by comprising the following steps:
a data acquisition step: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement;
fitting: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve;
and (3) error analysis: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
2. The method of claim 1, wherein the temperature-resistance profile is in an xls file comprising a list of temperature values and a list of resistance values.
3. The method of claim 1, wherein each sheet file in the xls file is named a telemetry code.
4. The method of claim 1, wherein the error profile comprises an abscissa and an ordinate as the temperature value.
5. The data processing method for satellite temperature telemetry as claimed in claim 3, further comprising:
a report output step: and recording the telemetering code number and the corresponding error analysis result correspondingly to form a report and output.
6. A data processing system for satellite temperature telemetry, comprising:
a data acquisition module: reading the temperature value and the resistance value in the temperature-resistance value distribution table of the thermistor obtained by remote measurement;
a fitting module: fitting the read temperature value and the resistance value according to the set output order to obtain a fitting curve;
an error analysis module: and carrying out error analysis on the fitted curve and the actual value to obtain an error value and an error distribution map.
7. The satellite temperature telemetry data processing system of claim 6, wherein the temperature-resistance profile is in an xls file containing a list of temperature values and a list of resistance values.
8. The satellite temperature telemetry data processing system of claim 6, wherein each sheet file in the xls file is named a telemetry code.
9. The satellite temperature telemetry data processing system of claim 6, wherein the error map has temperature as abscissa and error values as ordinate.
10. The satellite temperature telemetry data processing system of claim 8, further comprising:
a report output module: and recording the telemetering code number and the corresponding error analysis result correspondingly to form a report and output.
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| CN201911276341.0A CN111143911A (en) | 2019-12-12 | 2019-12-12 | Data processing method and system for satellite temperature remote measurement |
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| CN201911276341.0A CN111143911A (en) | 2019-12-12 | 2019-12-12 | Data processing method and system for satellite temperature remote measurement |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698044A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Temperature measurement error analysis method based on satellite temperature remote measuring |
| CN104505202A (en) * | 2014-12-16 | 2015-04-08 | 深圳市宝安任达电器实业有限公司 | Linearized correction method and device of thermistor |
| CN105588667A (en) * | 2015-12-18 | 2016-05-18 | 上海市计量测试技术研究院 | High-precision thermistor thermometer calibrating device |
| CN106706153A (en) * | 2017-03-17 | 2017-05-24 | 北京航天试验技术研究所 | Method for processing temperature characteristic data of low-temperature thermistor |
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- 2019-12-12 CN CN201911276341.0A patent/CN111143911A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698044A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Temperature measurement error analysis method based on satellite temperature remote measuring |
| CN104505202A (en) * | 2014-12-16 | 2015-04-08 | 深圳市宝安任达电器实业有限公司 | Linearized correction method and device of thermistor |
| CN105588667A (en) * | 2015-12-18 | 2016-05-18 | 上海市计量测试技术研究院 | High-precision thermistor thermometer calibrating device |
| CN106706153A (en) * | 2017-03-17 | 2017-05-24 | 北京航天试验技术研究所 | Method for processing temperature characteristic data of low-temperature thermistor |
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