CN104111081B - Circuit is realized in a kind of sensor dynamic response adaptive equalization - Google Patents
Circuit is realized in a kind of sensor dynamic response adaptive equalization Download PDFInfo
- Publication number
- CN104111081B CN104111081B CN201410279171.2A CN201410279171A CN104111081B CN 104111081 B CN104111081 B CN 104111081B CN 201410279171 A CN201410279171 A CN 201410279171A CN 104111081 B CN104111081 B CN 104111081B
- Authority
- CN
- China
- Prior art keywords
- resistance
- optocoupler
- pin
- electric capacity
- optical coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000004044 response Effects 0.000 title claims abstract description 28
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Abstract
Circuit is realized the invention discloses a kind of sensor dynamic response adaptive equalization, it is related to a kind of instrument and meter, electronic surveying, automation field, specially a kind of Hardware Implementation of sensor dynamic response adaptive equalization, it is mainly used in the technical problems such as the time delay and noise jamming for solving to exist using dynamic compensator, data processing complex.The present invention uses the dynamics compensation circuits, can be prevented effectively from using complicated software processing algorithm and high-end DSP process chips, data processing complex fast response time, and production cost is relatively low.
Description
Technical field
The present invention relates to sensor dynamic response technical field, more particularly to a kind of sensor dynamic response adaptive equalization
Realize circuit.
Background technology
Sensor dynamic response characteristic can directly influence the test performance of back end test systems, especially possess vibration special
The dynamic response characteristic of property can influence measuring accuracy and test speed.For example：Weighing sensor output response is except being sensed
Device outside weight, is also influenceed by testee weight in itself.Weighing sensor is made up of strain gauge and elastomer, due to
The damping ratio of elastomer is too small, and the time that sensor reaches stable state is more long, and dynamic characteristic is poor, it is difficult to meet wanting for quick measurement
Ask.The rapidity of sensor dynamic response is improved, can be started with terms of two：One is to change its structure, parameter and design, in reduction
Between transmission link, so as to improve rapidity；Two is design dynamic compensator, is serially connected in after sensor, to shorten whole measurement
System reaches the time of stable state（Design [J] the Electric Machines and Controls of the strong adaptive compensator for weighting sensor in Wuzhong,
2002,6（3）：261-264）.At present using more methods be design dynamic compensator, and using software approach realize compared with
It is many, such as it is based on the weighing sensor dynamic compensation method of the functional link artificial neural network (FLANN) of genetic algorithm optimization.But
The problems such as software approach still existence time delay and noise jamming, data processing complex.
The content of the invention
The present invention mainly solves the technical problem in the presence of prior art, so as to provide a kind of avoiding using complicated
Software processing algorithm and high-end DSP process chips, fast response time, the sensor dynamic response adaptive equalization of low cost
Realize circuit.
Above-mentioned technical problem of the invention is mainly what is be addressed by following technical proposals：
Circuit is realized in the sensor dynamic response adaptive equalization that the present invention is provided, it is characterised in that：Including first to
5th operational amplifier, triode, the first to 13 resistance, first, second optocoupler, first, second electric capacity, first computing
The inverting input of amplifier is connected with one end of the 3rd resistor, one end of the first electric capacity, its in-phase input end ground connection,
The other end of its output end and the first electric capacity, one end of the 5th resistance, one end of second resistance are connected, the 3rd resistor
One end of the other end and the 4th resistance, one end of first resistor, the other end of second resistance, one end of the second electric capacity are connected
Connect, and the other end of the first resistor is connected with applied signal voltage；The anti-phase input of second operational amplifier
End is connected with the other end of second electric capacity, the 1st pin of the second optocoupler, its in-phase input end ground connection, its output end and institute
The 2nd pin of the second optocoupler, one end of the 6th resistance is stated to be connected；The inverting input of the 3rd operational amplifier and described
The other end of the other end of five resistance, the 6th resistance, one end of the 8th resistance is connected, its in-phase input end and the described 4th electricity
The other end of resistance is connected, and its output end is connected with the other end of the 8th resistance, one end of the 7th resistance；Described 4th
The inverting input of operational amplifier is connected with the 1st pin of first optocoupler, one end of the tenth resistance, its in-phase input end
Ground connection, its output end is connected with the other end of the tenth resistance, one end of the 11st resistance, and the 2nd of first optocoupler the
Pin is connected with the reference voltage, and the 3rd pin of first optocoupler is connected through the 9th resistance with positive source, described
4th pin of the first optocoupler is connected with the 3rd pin of second optocoupler；The inverting input of the 5th operational amplifier and institute
State the other end of the 7th resistance, the other end of the 11st resistance, one end of the 3rd electric capacity to be connected, its in-phase input end ground connection,
Its output end is connected with the other end of the 3rd electric capacity, one end of the 12nd resistance；The base stage of the triode with it is described
The other end of the 12nd resistance is connected, and its colelctor electrode is connected through the 13rd resistance with the power cathode, its emitter with
4th pin of second optocoupler is connected.
Further, first optocoupler includes that the first Optical coupling resistance, the second optocoupler include the second Optical coupling resistance, described the
One Optical coupling resistance is equal in magnitude with second Optical coupling resistance.
The beneficial effects of the present invention are：Using the dynamics compensation circuits, can be prevented effectively from and use complicated software processing
Algorithm and high-end DSP process chips, data processing complex fast response time, and production cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram for realizing circuit of sensor of the invention dynamic response adaptive equalization；
Fig. 2 is the testee quality of sensor of the invention dynamic response adaptive equalizationWhen compensation before and after
Dynamic characteristic response curve；
Fig. 3 is the testee quality of sensor of the invention dynamic response adaptive equalizationWhen compensation before
Dynamic characteristic response curve afterwards.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Refering to shown in Fig. 1, circuit is realized in sensor of the invention dynamic response adaptive equalization, it is characterised in that：Bag
Include the first to the 5th operational amplifier（IC1-IC5）, triode Q1, the first to 13 resistance（R1-R13）, first, second optocoupler
（OC1、OC2）, first, second electric capacity（C1、C2）, the inverting input of the first operational amplifier IC1 and the one of 3rd resistor R3
End, one end of the first electric capacity C1 are connected, its in-phase input end ground connection, the other end, the 5th of its output end and the first electric capacity C1
One end of resistance R5, one end of second resistance R2 are connected, one end, first of the other end of 3rd resistor R3 and the 4th resistance R4
One end of resistance R1, the other end of second resistance R2, one end of the second electric capacity C2 are connected, and first resistor R1 the other end
It is connected with applied signal voltage Vi；The other end, second of the inverting input of the second operational amplifier IC2 and the second electric capacity C2
1st pin of optocoupler OC2 is connected, its in-phase input end ground connection, the 2nd pin, the 6th resistance R6 of its output end and the second optocoupler OC2
One end be connected；The inverting input of the 3rd operational amplifier IC3 and the other end of the 5th resistance R5, the 6th resistance R6 it is another
One end, one end of the 8th resistance R8 is connected, and its in-phase input end is connected with the other end of the 4th resistance R4, its output end with
The other end of the 8th resistance R8, one end of the 7th resistance R7 are connected；The inverting input of four-operational amplifier IC4 and first
1st pin of optocoupler OC1, one end of the tenth resistance R10 are connected, its in-phase input end ground connection, its output end and the tenth resistance R10
The other end, one end of the 11st resistance R11 be connected, the 2nd pin of the first optocoupler OC1 is connected with reference voltage Vr, first
3rd pin of optocoupler OC1 is connected through the 9th resistance R9 with positive source, the 4th pin of the first optocoupler OC1 and the second optocoupler OC2's
3rd pin is connected；The inverting input of the 5th operational amplifier IC5 and the other end of the 7th resistance R7, the 11st resistance R11
The other end, one end of the 3rd electric capacity C3 are connected, its in-phase input end ground connection, the other end of its output end and the 3rd electric capacity C3,
One end of 12nd resistance R12 is connected；The base stage of triode Q1 is connected with the other end of the 12nd resistance R12, its current collection
The resistance R13 of pole the 13rd is connected with power cathode, and its emitter stage is connected with the 4th pin of the second optocoupler OC2.Preferably,
First optocoupler OC1 includes that the first Optical coupling resistance Rp1, the second optocoupler OC2 include the second Optical coupling resistance（Rp2）, the first Optical coupling resistance
Rp1 is equal in magnitude with the second Optical coupling resistance Rp2.
Below for the operation principle for realizing circuit of sensor dynamic response adaptive equalization, to make the present invention into one
The introduction of step：
Weighing sensor model is second order model, and is represented by（The strong adaptive compensator for weighting sensor in Wuzhong
Design [J] Electric Machines and Controls, 2002,6（3）：261-264）：
（1）
In formula, m is testee quality,It is sensor mass,Damped coefficient,It is spring constant,It is relative
Displacement, can obtain after Laplace transform：
（2）
In formula,It is output voltage,Damped coefficient,It is intrinsic frequency
Rate.And compensate networkFor：
（3）
In formula,Be through the system damping coefficient after overcompensation,It is, through the system frequency after overcompensation, to pass through
After compensation, system can obtain a preferable dynamic response curve.By formula（2）And formula（3）System after being compensated is moved
State response characteristicIt is represented by：
（4）
By formula（4）Understand：Control system dynamic response characteristicEssentially consist in the system damping coefficient after control compensationWith the system frequency after compensation。
Refering to shown in Fig. 1, by Tu Ke get：
Compensation network
（5）
（6）
（7）
（8）
（9）
It is contrast（3）, formula（9）Can obtain：
（10）
（11）
（12）
（13）
（14）
By formula（13）, formula（14）Can, system damping coefficient after compensation, intrinsic frequency after compensationCan be entered by circuit parameter
Row is set, and then control system dynamic response characteristic.Specifically, in known sensor quality, damped coefficient, bullet
Spring coefficientIn the case of, by formula（10）-（14）Can determine that circuit capacitance-resistance parameter, testee qualityIt is variable, with
Two Optical coupling resistancesIt is adjusted as model.In the present invention, because using identical optocoupler, it is believed that（I.e.
One Optical coupling resistance Rp1 is equal in magnitude with the second Optical coupling resistance Rp2）, in the case where poised state is reached, have：
（15）
In formulaIt is reference voltage, by formula（15）Can illustrate, the second Optical coupling resistanceCan be by system output voltageAdjust and be adjusted.
Contrast refering to Fig. 2-3 can be seen that using after technical scheme, and sensor reaches the time of stable state
Short, dynamic characteristic preferably, and can meet the requirement of quick measurement.
More than, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be all included within the scope of the present invention.Therefore, protection of the invention
Scope should be determined by the scope of protection defined in the claims.
Claims (2)
1. circuit is realized in a kind of sensor dynamic response adaptive equalization, it is characterised in that：Put including the first to the 5th computing
Big device (IC1-IC5), triode (Q1), the first to 13 resistance (R1-R13), first, second optocoupler (OC1, OC2), first,
Second electric capacity (C1, C2), the inverting input of first operational amplifier (IC1) and one end of the 3rd resistor (R3),
One end of first electric capacity (C1) is connected, its in-phase input end ground connection, the other end, the 5th of its output end and the first electric capacity (C1)
One end of resistance (R5), one end of second resistance (R2) are connected, the other end of the 3rd resistor (R3) and the described 4th electricity
One end of resistance (R4), one end of first resistor (R1), the other end of second resistance (R2), one end of the second electric capacity (C2) are connected
Connect, and the other end of the first resistor (R1) is connected with applied signal voltage (Vi)；First optocoupler (OC1) is by
One Optical coupling resistance (Rp1) and the first light emitting diode are constituted, and second optocoupler (OC2) is by the second Optical coupling resistance (Rp2) and the
Two light emitting diodes are constituted, one end of first Optical coupling resistance (Rp1) as the first optocoupler (OC1) the 1st pin, the other end makees
Be the 2nd pin of the first optocoupler (OC1), the positive pole of first light emitting diode as the first optocoupler (OC1) the 3rd pin, negative pole
As the 4th pin of the first optocoupler (OC1), one end of second Optical coupling resistance (Rp2) as the second optocoupler (OC2) the 1st pin,
The other end as the second optocoupler (OC2) the 2nd pin, the positive pole of second light emitting diode is used as the 3rd of the second optocoupler (OC2)
Pin, negative pole as the second optocoupler (OC2) the 4th pin, the inverting input and described second of second operational amplifier (IC2)
The other end of electric capacity (C2), the 1st pin of the second optocoupler (OC2) are connected, its in-phase input end ground connection, its output end and described the
2nd pin of two optocouplers (OC2), one end of the 6th resistance (R6) are connected；The anti-phase input of the 3rd operational amplifier (IC3)
The other end, the other end of the 6th resistance (R6) with the 5th resistance (R5) are held, one end of the 8th resistance (R8) is connected, its
In-phase input end is connected with the other end of the 4th resistance (R4), and its output end is another with the 8th resistance (R8)
End, one end of the 7th resistance (R7) are connected；The inverting input of the four-operational amplifier (IC4) and first optocoupler
(OC1) the 1st pin, one end of the tenth resistance (R10) are connected, its in-phase input end ground connection, its output end and the described tenth electricity
Hinder the other end of (R10), one end of the 11st resistance (R11) to be connected, the 2nd pin and the reference electricity of first optocoupler (OC1)
Pressure (Vr) is connected, and the 3rd pin of first optocoupler (OC1) is connected through the 9th resistance (R9) with positive source, described
4th pin of the first optocoupler (OC1) is connected with the 3rd pin of second optocoupler (OC2)；5th operational amplifier (IC5)
The other end of inverting input and the 7th resistance (R7), the other end of the 11st resistance (R11), the 3rd electric capacity (C3)
One end is connected, its in-phase input end ground connection, the other end, the 12nd resistance of its output end and the 3rd electric capacity (C3)
(R12) one end is connected；The base stage of the triode (Q1) is connected with the other end of the 12nd resistance (R12), its
Colelctor electrode is connected through the 13rd resistance (R13) with power cathode, the 4th pin phase of its emitter stage and second optocoupler (OC2)
Connection.
2. circuit is realized in sensor dynamic response adaptive equalization as claimed in claim 1, it is characterised in that：Described first
Optical coupling resistance (Rp1) is equal in magnitude with second Optical coupling resistance (Rp2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279171.2A CN104111081B (en) | 2014-06-21 | 2014-06-21 | Circuit is realized in a kind of sensor dynamic response adaptive equalization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279171.2A CN104111081B (en) | 2014-06-21 | 2014-06-21 | Circuit is realized in a kind of sensor dynamic response adaptive equalization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104111081A CN104111081A (en) | 2014-10-22 |
| CN104111081B true CN104111081B (en) | 2017-06-30 |
Family
ID=51707968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410279171.2A Expired - Fee Related CN104111081B (en) | 2014-06-21 | 2014-06-21 | Circuit is realized in a kind of sensor dynamic response adaptive equalization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104111081B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485877B (en) * | 2022-01-25 | 2023-09-05 | 常州纺织服装职业技术学院 | Weighing system and method for weighing compensation by combining inertial measurement module |
| CN114964327B (en) * | 2022-04-26 | 2023-06-30 | 浙江师范大学 | Real-time bending sensing device based on time lens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7327103B1 (en) * | 2001-08-31 | 2008-02-05 | Maxtor Corporation | Driver and method for control of voice coil motor in disk drive |
| CN102506982A (en) * | 2011-10-19 | 2012-06-20 | 深圳市杰曼科技有限公司 | Automatic compensating signal acquiring system |
| CN202631100U (en) * | 2012-03-27 | 2012-12-26 | 浙江师范大学 | Ultralow frequency absolute vibrating sensor amplitude-frequency characteristic compensating circuit |
| CN203376374U (en) * | 2013-03-12 | 2014-01-01 | 浙江海洋学院 | Voltage sensing module based on photoelectric couplers |
| CN103645764A (en) * | 2013-12-18 | 2014-03-19 | 浙江师范大学 | Linear resistor isolation control circuit based on voltage regulation |
-
2014
- 2014-06-21 CN CN201410279171.2A patent/CN104111081B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7327103B1 (en) * | 2001-08-31 | 2008-02-05 | Maxtor Corporation | Driver and method for control of voice coil motor in disk drive |
| CN102506982A (en) * | 2011-10-19 | 2012-06-20 | 深圳市杰曼科技有限公司 | Automatic compensating signal acquiring system |
| CN202631100U (en) * | 2012-03-27 | 2012-12-26 | 浙江师范大学 | Ultralow frequency absolute vibrating sensor amplitude-frequency characteristic compensating circuit |
| CN203376374U (en) * | 2013-03-12 | 2014-01-01 | 浙江海洋学院 | Voltage sensing module based on photoelectric couplers |
| CN103645764A (en) * | 2013-12-18 | 2014-03-19 | 浙江师范大学 | Linear resistor isolation control circuit based on voltage regulation |
Non-Patent Citations (3)
| Title |
|---|
| 称重传感器神经网络补偿器设计;吴忠强;《电子测量与仪器学报》;20040315;第18卷(第1期);第42-46页 * |
| 称重传感器自适应动态补偿方法;徐科军 等;《仪表技术与传感器》;19970530(第5期);第6-8页 * |
| 称重传感器自适应补偿器的设计;吴忠强;《电机与控制学报》;20020930;第6卷(第3期);第261-264页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104111081A (en) | 2014-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104111081B (en) | Circuit is realized in a kind of sensor dynamic response adaptive equalization | |
| CN204595077U (en) | A kind of zero cross detection circuit with phase compensation | |
| CN202793312U (en) | Digital double-shaft angular displacement sensor | |
| CN104104627A (en) | Parallel decision feedback balance method and device based on initial parameter passing | |
| CN102590589B (en) | 4-20mA current transmitter circuit | |
| CN207354224U (en) | Power amplification circuit for speaker of voice box | |
| CN108418209A (en) | A kind of micro-capacitance sensor Auto-disturbance-rejection Control based on reversed decoupling | |
| CN104821575A (en) | Anti-misconnection output circuit for series batteries | |
| CN106972531A (en) | A kind of Wind turbines subsynchronous resonance suppressing method and system | |
| CN204349936U (en) | A kind of filter circuit | |
| CN102801175A (en) | PSS (Power System Stabilizer) phase compensation link time constant calculation method | |
| CN104868954A (en) | Optical module receiver and 1*9 optical module | |
| CN105633979B (en) | A kind of Non Power Compensation Process and system | |
| CN205051724U (en) | Difference line is examined measure and regulate and is got ready and put | |
| CN208656724U (en) | Temperature compensation circuit, communication circuit, UART communication circuit and intelligent equipment | |
| CN106787065A (en) | Wind power pitch-controlled system back-up source charging device and its charge control method | |
| CN205318272U (en) | Accurate voltage reference's temperature compensation circuit | |
| CN205594616U (en) | Reference voltage self -adaptation device, system and computer of memory | |
| CN101741472A (en) | Method, device and system for integrated luminous power and temperature compensation in photoelectric conversion | |
| CN104482947B (en) | Mining Multiple typed sensor signal transmitting circuit | |
| CN203490693U (en) | Simple computer photoelectric signal transmission interface circuit | |
| CN204615384U (en) | The anti-wrong output circuit of a kind of series battery | |
| CN207354222U (en) | The power amplification circuit of loudspeaker | |
| CN106849133B (en) | A kind of power system stabilizer, PSS excitation parameter optimization method and system | |
| CN203148558U (en) | Weighing sensor rapid correction system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20180621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |