CN110413940A - Power supply output accuracy calibration method and its device and storage medium between a kind of multi-region - Google Patents
Power supply output accuracy calibration method and its device and storage medium between a kind of multi-region Download PDFInfo
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Abstract
Power supply output accuracy calibration method and its device and storage medium between a kind of multi-region disclosed by the invention, non-perfect linear consideration is exported based on power supply, using the method for multiple spot Multi sectional linear gauging, the output orientation of power supply is divided into several sections, according to the section starting point or the setting value and output valve of terminal, and linear equation is combined, the linear compensation equation in the section is obtained, is compensated by real output value of the linear compensation equation to place section；Power supply output accuracy calibration method between the multi-region reduces real output value and sets the error between output valve, improves the output performance of power supply, it is made to export infinite approach output characteristics.
Description
Technical field
The present invention relates to new energy and field of energy-saving technology, power supply output accuracy calibration method between specially a kind of multi-region.
Background technique
The output parameter of power supply, as voltage, current parameters need that required precision can be met by calibration.It is common at present
Calibration method be two o'clock calibration method, be based on output characteristic of power source be linear consideration.The general maximum taken in output area,
Minimum value is calibrated, as shown in Figure 1.
But since Switching Power Supply is made of semiconductor switch device, magnetic element and capacitor etc., output is not stringent
Linear characteristic reduce the output performance of power supply so often will cause output error using such method, make real output value
It differs greatly between setting value.
For this purpose, this programme is improved on the basis of calibration method used at present, using calibration method between multi-region, make defeated
Out closer to output characteristics, difference reduces between setting value and output valve.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides power supply output accuracy calibration method between a kind of multi-region, subtracts
Error between small real output value and setting output valve, improves the output performance of power supply, so that it is exported infinite approach defeated
Characteristic out.
The present invention is to be achieved through the following technical solutions:
Power supply output accuracy calibration method between a kind of multi-region, comprising the following steps:
S1, the range of power supply output parameter is divided into several sections；
S2, set section starting point setting value x1, corresponding real output value be y1, section terminal setting value be x2,
Corresponding real output value is y2, obtains the linear compensation equation in the section according to linear equation, equation is as follows:
Y=ax+b
Wherein, a is the slope of straight line, and b is offset；
S3, the linear compensation equation obtained according to step S2, compensate calculating to the output valve in the section, are mended
Value is repaid, then offset is weighted in real output value, so that the output valve in the section is equal with setting value；
S4, step S1 to S3 is repeated, completes the calibration in all sections.
Preferably, the output parameter of the power supply includes electric current and voltage.
Preferably, the division methods of output parameter are to be divided into the range of power supply output parameter by magnitude in step S1
Multiple sections, or by the range of the output parameter of power supply according to etc. ranges carry out demarcation interval.
Preferably, the division methods of the magnitude are, by range be divided into mV grades of sections, V grades of sections, hundred V grades of section and
Thousand V grades of section.
It is described computer-readable the present invention also provides a kind of computer readable storage medium for above-mentioned calibration method
Storage medium is stored with computer program, and the computer program is performed the step of realizing above-mentioned calibration method.
The present invention also provides a kind of device for above-mentioned calibration method, including memory, processor and it is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing above-mentioned calibration method.
Compared with prior art, the invention has the following beneficial technical effects:
Power supply output accuracy calibration method between a kind of multi-region provided by the invention exports non-perfect linear examine based on power supply
Consider, using the method for multiple spot Multi sectional linear gauging, the output orientation of power supply is divided into several sections, is risen according to the section
The setting value and output valve of initial point or terminal, and linear equation is combined, the linear compensation equation in the section is obtained, by linearly mending
Equation is repaid to compensate the real output value in place section；Power supply output accuracy calibration method, reduces reality between the multi-region
Error between output valve and setting output valve, improves the output performance of power supply, it is made to export infinite approach output characteristics.
Detailed description of the invention
Fig. 1 is existing calibrating mode schematic diagram；
Fig. 2 calibrating mode schematic diagram between multi-region of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
Referring to Fig.2, power supply output accuracy calibration method between a kind of multi-region, comprising the following steps:
S1, the output area of power supply is divided into several sections；
S2, set section starting point setting value x1, corresponding real output value be y1；Section terminal setting value is x2,
Corresponding real output value is y2, obtains the linear compensation equation in the section according to linear equation, equation is as follows:
Y=ax+b
Wherein, a is the slope of straight line, and b is offset；
S3, the linear compensation equation obtained according to step S2, compensate calculating to the output valve in the section, are mended
Value is repaid, then offset is weighted in real output value, so that the output valve in the section is equal with setting value.
S4, step S1 to S3 is repeated, completes the calibration in all sections.
Power supply output accuracy calibration method between a kind of multi-region provided by the invention exports non-perfect linear examine based on power supply
Consider, using the method for multiple spot Multi sectional linear gauging, the output orientation of power supply is divided into several sections, is risen according to the section
The setting value and output valve of initial point or terminal, and linear equation is combined, the linear compensation equation in the section is obtained, by linearly mending
Equation is repaid to compensate the real output value in place section；Power supply output accuracy calibration method, reduces reality between the multi-region
Error between output valve and setting output valve, improves the output performance of power supply, it is made to export infinite approach output characteristics.
The interval division method of voltage and current is illustrated separately below.
The subdivided interval in the voltage output range of power supply, while choosing set-point.
The range of the output parameter of power supply is subdivided into multiple sections by magnitude, is divided into mV grades of sections, V grades of sections, hundred V grades
Section, thousand V grades of section, each section take two o'clock, and the terminal in this section is the starting point in next section.
For example, 0~1V, 1V~10V, 10V~100V, 100V~200V tetra- can be divided into for the voltage output of 0~200V
A section takes 0V, 1V, 10V, five set-points 100V, 200V.
To carrying out demarcation interval in the range of current output of power supply.
By the range of current output of power supply according to etc. ranges carry out demarcation interval.
For example, for the voltage output of 0~200A, 0~40A, 40A~80A, 80A~120A can be divided into, 120A~
Five sections 160A, 160A~200A take 0A, 40A, 10A, five set-points 100A, 200A.
The present invention also provides a kind of for executing the storage medium of power supply output accuracy calibration method between above-mentioned multi-region, will
The corresponding computer program of power supply output accuracy calibration method is stored in a storage medium between above-mentioned multi-region, which exists
When being executed by processor, it can be achieved that between above-mentioned multi-region the step of power supply output accuracy calibration method.
Wherein, the computer program includes computer program code, and the computer program code can be source code
Form, object identification code form, executable file or certain intermediate forms etc..
Power supply output accuracy calibration method between multi-region, if be realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention realizes
All or part of the process in above-described embodiment method can also instruct relevant hardware to complete by computer program,
The computer program can be stored in a computer readable storage medium, the computer program when being executed by processor,
The step of above-mentioned each embodiment of the method can be achieved.Wherein, the computer program includes computer program code, the calculating
Machine program code can be source code form, object identification code form, executable file or certain intermediate forms etc..It is computer-readable
Storage medium includes that permanent and non-permanent, removable and non-removable media can be accomplished by any method or technique letter
Breath storage.Information can be computer readable instructions, data structure, the module of program or other data.It should be noted that institute
State content that computer-readable medium includes can according to make laws in jurisdiction and the requirement of patent practice carry out it is appropriate
Increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include electric carrier signal and
Telecommunication signal.
The computer-readable medium may include: any entity or dress that can carry the computer program code
It sets, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-
OnlyMemory), random access memory (RAM, RandomAccessMemory) etc..
A kind of device for realizing power supply output accuracy calibration method between above-mentioned multi-region calculates in a typical configuration
Equipment includes one or more processors, input/output interface, network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.
Processor can be central processing unit (CentralProcessingUnit, CPU), can also be that other are general
Processor, digital signal processor (DigitalSignalProcessor, DSP), specific integrated circuit (ApplicationSp
EcificIntegratedCircuit, ASIC), ready-made programmable gate array (Field-ProgrammableGateArray,
FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components etc..
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (6)
1. power supply output accuracy calibration method between a kind of multi-region, which comprises the following steps:
S1, the range of power supply output parameter is divided into several sections；
S2, set section starting point setting value x1, corresponding real output value is y1, and section terminal setting value is x2, corresponding
Real output value be y2, the linear compensation equation in the section is obtained according to linear equation, equation is as follows:
Y=ax+b
Wherein, a is the slope of straight line, and b is offset；
S3, the linear compensation equation obtained according to step S2, compensate calculating to the output valve in the section, are compensated
Value, then offset is weighted in real output value, so that the output valve in the section is equal with setting value；
S4, step S1 to S3 is repeated, completes the calibration in all sections.
2. power supply output accuracy calibration method between multi-region according to claim 1, which is characterized in that the output of the power supply is joined
Number includes electric current and voltage.
3. power supply output accuracy calibration method between multi-region according to claim 1, which is characterized in that output parameter in step S1
Division methods be that the range of power supply output parameter is divided into multiple sections by magnitude, or by the model of the output parameter of power supply
Enclose according to etc. ranges carry out demarcation interval.
4. power supply output accuracy calibration method between multi-region according to claim 3, which is characterized in that the division side of the magnitude
Method is that range is divided into mV grades of sections, V grades of sections, hundred V grades of section and thousand V grades of section.
5. a kind of computer readable storage medium for realizing any one of claim 1-4 calibration method, the computer can
It reads storage medium and is stored with computer program, which is characterized in that the computer program is performed realization such as claim 1-4
The step of any one the method.
6. a kind of device for realizing any one of claim 1-4 calibration method, including memory, processor and it is stored in
In the memory and the computer program that can run on the processor, which is characterized in that described in the processor executes
It is realized when computer program such as the step of any one of claim 1-4 the method.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352022A (en) * | 2020-03-19 | 2020-06-30 | 上海御渡半导体科技有限公司 | Current calibration device and correction method for power supply channel in test system |
| CN116208152A (en) * | 2023-03-07 | 2023-06-02 | 深圳市华众自动化工程有限公司 | High-precision analog quantity acquisition device and method |
| CN116754830A (en) * | 2023-06-13 | 2023-09-15 | 武汉阿迪克电子股份有限公司 | Metering method and device of electric energy meter and storage medium |
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Application publication date: 20191105 |