CN108489578A - The branched linear weighing method of the one-dimensional angle of weighing system - Google Patents
The branched linear weighing method of the one-dimensional angle of weighing system Download PDFInfo
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- CN108489578A CN108489578A CN201810280073.9A CN201810280073A CN108489578A CN 108489578 A CN108489578 A CN 108489578A CN 201810280073 A CN201810280073 A CN 201810280073A CN 108489578 A CN108489578 A CN 108489578A
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- weighing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Abstract
The branched linear weighing method of the one-dimensional angle of weighing system, it is characterized in that：In system weighs gravitational field, size of the different gravity to power caused by the sensor in each supporting point, direction, the spatial position of position and permission, form the respective value of a complete monodrome continuous function, it is gravitational field of weighing that the respective value changes in one-dimensional space angle, its a certain section of linear change value in one-dimensional space angle is taken to be used as respective value of weighing, or it takes a certain section of respective value variation and is evenly distributed, the average value of this section can be calculated with least square method, the calculating average value is also used as straight line, simultaneous equations are established to be accepted or rejected, its process is the branched linear weighing method of the one-dimensional angle of weighing system, this method feature is to keep sensor used minimum, circuit is most simple.
Description
Technical field
The present invention relates to the branched linear weighing methods of the one-dimensional angle of weighing system, especially for branched weighing system
The linear weighing method of one-dimensional angle.
Background technology
Foreign countries just weigh electronic application in the thirties, and Britain using scholar Jackson develops type metal foil type electricity later
Effector is hindered, U.S. BLH and Revere company creates the accuracy and stabilization that circuit compensation adjusting process improves load sensor
Property.U.S.'s Craig Hodges spy nurse designs shearing stress load sensor using shearing stress after the seventies and aluminium alloy small-range load passes
Sensor weighs formulated R60 international recommendations and digital weighing sensor with load cell respectively.The Si Tanyin in the U.S., moral
The Ai Duomu of state utilizes FInite Element（Elastomer）Simultaneously calculated load sensor is designed, then the Soviet Union develops the anti-creep of series and mends
Strain ga(u)ge is repaid, makes electronic price computing scale to diversified development.Then, Soviet Union of the U.S. and Britain respectively of low elastic modulus aluminium alloy make by invention
Volume parallel construction solves sensitivity and Rigidity, and direct stress is made to be converted to shearing stress, completes the key that small-range is weighed and asks
Topic.Creep compensation strain ga(u)ge has been invented again, and sensor accuracy is made to be further enhanced.By 1985, R60 international recommendations
Promulgation is issued is issued to each member state by the R60, the standard R60-2000 versions executed at present, is to enter the electronics world of weighing
The pass in market.The country starts late, but develop it is very fast, into 2000 after electronics of weighing have significant progress.Sai Mo
Electrical limited liability company represents China and weighs the epitome of electronics development, the sector in the lead, it drafts and participates and draw
The national standard of electronic-weighing successfully lists code 300466.Electronics development of weighing is made a general survey of, is continuous solve in practical application
Technique, new designing concept, the corresponding electronic circuit of structure change, so that it is developed to today.With the application in market
The expansion of range and technique manufacture ripe, intensified competition, so electronics development trend of weighing is miniaturization, detects adjusting automatically
Change, installation and maintenance judicial convenience, modularization, integrated, information processing automate, are most importantly cost effective.
Invention content
The present invention provides the branched linear weighing method of the one-dimensional angle of weighing system, preferably dynamic weighing suspends and draws
The insufficient problem of rigidity that rises reduces electronics cost price of weighing, reduces electronic maintenance maintenance cost of weighing, simplifies electricity of weighing
Minor structure holder realizes intelligent and modularization.
What the purpose of patent of the present invention was realized in：The branched linear weighing method of the one-dimensional angle of weighing system, it is special
Sign is：In system weighs gravitational field, different gravity are to the size of power, side caused by the sensor in each supporting point
To, position and the spatial position of permission, the respective value of a complete monodrome continuous function is formed, the respective value is in one-dimensional sky
Between in angle variation be gravitational field of weighing, take its in one-dimensional space angle a certain section of linear change value as correspondence of weighing
Value, this method are known as the branched linear weighing method of the one-dimensional angle of weighing system；
The specific steps of the branched linear weighing method of the one-dimensional angle of weighing system：
Step 1：According to the size of power, direction, position and the spatial position of permission, the sensing in each supporting point is determined
Device position；
Step 2：Each sensor can only determine the spatial field of a corresponding numerical value, and a direction is determined in the spatial field,
The space angle of one section of corresponding numerical value change amount minimum is found out in the direction, whenWhen sufficiently smallTend to 0 then should
SectionFor straight line；
Step 3：When the variation of a certain section of respective value less than ± 5% and is evenly distributed, this section can be calculated with least square method
Average value, the calculating average value are straight line；
Step 4：Write out the straight linear equation of each sensor and its corresponding scope of application；
Step 5：And so on, the linear equation of all the sensors is write out, Simultaneous linear equation is completed；
Step 6：It is calculated according to Simultaneous linear equation, removes approximate, linear equation that is repeating and corresponding sensor,
The characteristics of finally linear equation and number of probes of the determining supporting point, the linear equation is that used sensor is minimum
, circuit it is simplest.
Description of the drawings
Fig. 1 flow charts of the method for the present invention.
Specific implementation mode
Embodiment 1：The branched linear weighing method of the one-dimensional angle of weighing system, it is characterized in that：It weighs gravitational field in system
In, different gravity are to the size of power, direction, position and the space bit of permission caused by the sensor in each supporting point
It sets, forms the respective value of a complete monodrome continuous function, it is weight of weighing which changes in one-dimensional space angle
The field of force takes its a certain section of linear change value in one-dimensional space angle to be known as branched point as respective value of weighing, this method and weigh
The linear weighing method of the one-dimensional angle of system；
The specific steps of the branched linear weighing method of the one-dimensional angle of weighing system：
Step 1：According to the size of power, direction, position and the spatial position of permission, the sensing in each supporting point is determined
Device position；
Step 2：Each sensor can only determine the spatial field of a corresponding numerical value, and a direction is determined in the spatial field,
The space angle of one section of corresponding numerical value change amount minimum is found out in the direction, whenWhen sufficiently smallTend to 0 then should
SectionFor straight line；
Step 3：When the variation of a certain section of respective value less than ± 5% and is evenly distributed, this section can be calculated with least square method
Average value, the calculating average value are straight line；
Step 4：Write out the straight linear equation of each sensor and its corresponding scope of application；
Step 5：And so on, the linear equation of all the sensors is write out, Simultaneous linear equation is completed；
Step 6：It is calculated according to Simultaneous linear equation, removes approximate, linear equation that is repeating and corresponding sensor,
The characteristics of finally linear equation and number of probes of the determining supporting point, the linear equation is that used sensor is minimum
, circuit it is simplest.
Claims (1)
1. the branched linear weighing method of the one-dimensional angle of weighing system, it is characterized in that：In system weighs gravitational field, different gravity
To the size of power, direction, position and the spatial position of permission caused by the sensor in each supporting point, one is formed
The respective value of complete monodrome continuous function, the respective value changes gravitational field of as weighing in one-dimensional space angle, take its
A certain section of linear change value is known as the branched one-dimensional angle of weighing system as respective value of weighing, this method in one-dimensional space angle
Linear weighing method；
The specific steps of the branched linear weighing method of the one-dimensional angle of weighing system：
Step 1：According to the size of power, direction, position and the spatial position of permission, the sensing in each supporting point is determined
Device position；
Step 2：Each sensor can only determine the spatial field of a corresponding numerical value, and a direction is determined in the spatial field,
The space angle of one section of corresponding numerical value change amount minimum is found out in the direction, whenWhen sufficiently smallTend to 0 then should
SectionFor straight line；
Step 3：When the variation of a certain section of respective value less than ± 5% and is evenly distributed, this section can be calculated with least square method
Average value, the calculating average value are straight line；
Step 4：Write out the straight linear equation of each sensor and its corresponding scope of application；
Step 5：And so on, the linear equation of all the sensors is write out, Simultaneous linear equation is completed；
Step 6：It is calculated according to Simultaneous linear equation, removes approximate, linear equation that is repeating and corresponding sensor,
The characteristics of finally linear equation and number of probes of the determining supporting point, the linear equation is that used sensor is minimum
, circuit it is simplest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280073.9A CN108489578B (en) | 2018-04-01 | 2018-04-01 | The linear weighing method of more one-dimensional angles of fulcrum weighing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280073.9A CN108489578B (en) | 2018-04-01 | 2018-04-01 | The linear weighing method of more one-dimensional angles of fulcrum weighing system |
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| CN108489578A true CN108489578A (en) | 2018-09-04 |
| CN108489578B CN108489578B (en) | 2019-07-26 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2666209B2 (en) * | 1986-09-22 | 1997-10-22 | 株式会社テック | Manufacturing method of load cell |
| CN101029845A (en) * | 2007-01-19 | 2007-09-05 | 关振伟 | Supporting-point bearing equation for debugging and installing large automobile weighing apparatus |
| CN101532871A (en) * | 2008-03-13 | 2009-09-16 | 欧姆龙株式会社 | Axle load measuring system and vehicle separating method |
| CN101603849A (en) * | 2008-06-09 | 2009-12-16 | 株式会社百利达 | Multi-point type weighing equipment with and manufacture method |
| CN101832837A (en) * | 2010-05-11 | 2010-09-15 | 东南大学 | Decoupling method for multidimensional force sensor based on coupling error modeling |
| CN102175569A (en) * | 2011-03-01 | 2011-09-07 | 武汉理工大学 | Underground iron ore dynamic weighing and real-time grate analyzing method |
| CN107402059A (en) * | 2017-07-28 | 2017-11-28 | 杭州高达软件系统股份有限公司 | One kind driving kinds of goods Weighing method |
-
2018
- 2018-04-01 CN CN201810280073.9A patent/CN108489578B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2666209B2 (en) * | 1986-09-22 | 1997-10-22 | 株式会社テック | Manufacturing method of load cell |
| CN101029845A (en) * | 2007-01-19 | 2007-09-05 | 关振伟 | Supporting-point bearing equation for debugging and installing large automobile weighing apparatus |
| CN101532871A (en) * | 2008-03-13 | 2009-09-16 | 欧姆龙株式会社 | Axle load measuring system and vehicle separating method |
| CN101603849A (en) * | 2008-06-09 | 2009-12-16 | 株式会社百利达 | Multi-point type weighing equipment with and manufacture method |
| CN101832837A (en) * | 2010-05-11 | 2010-09-15 | 东南大学 | Decoupling method for multidimensional force sensor based on coupling error modeling |
| CN102175569A (en) * | 2011-03-01 | 2011-09-07 | 武汉理工大学 | Underground iron ore dynamic weighing and real-time grate analyzing method |
| CN107402059A (en) * | 2017-07-28 | 2017-11-28 | 杭州高达软件系统股份有限公司 | One kind driving kinds of goods Weighing method |
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| CN108489578B (en) | 2019-07-26 |
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