CN110221232A - Stack formula ultra-magnetic deformation actuator characteristic test system - Google Patents

Stack formula ultra-magnetic deformation actuator characteristic test system Download PDF

Info

Publication number
CN110221232A
CN110221232A CN201910584949.3A CN201910584949A CN110221232A CN 110221232 A CN110221232 A CN 110221232A CN 201910584949 A CN201910584949 A CN 201910584949A CN 110221232 A CN110221232 A CN 110221232A
Authority
CN
China
Prior art keywords
magnetic
ultra
data collecting
collecting card
deformation actuator
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.)
Pending
Application number
CN201910584949.3A
Other languages
Chinese (zh)
Inventor
何忠波
周景涛
刘国平
柏果
王怀光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Army Engineering University of PLA
Original Assignee
Army Engineering University of PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Army Engineering University of PLA filed Critical Army Engineering University of PLA
Priority to CN201910584949.3A priority Critical patent/CN110221232A/en
Publication of CN110221232A publication Critical patent/CN110221232A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/12Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/18Measuring magnetostrictive properties

Abstract

The invention discloses one kind to stack formula ultra-magnetic deformation actuator characteristic test system, including test with formula ultra-magnetic deformation actuator is stacked, and pressure sensor is installed on the fixing end of ultra-magnetic telescopic module in the actuator;Magnetic field strength transducer includes hall probe and the matched gaussmeter used, and the hall probe is tightly attached to the GMM rod surface of ultra-magnetic telescopic module;Magnetic induction search coil is wound in the outside of the GMM rod;Temperature probe is mounted on the middle part of the ultra-magnetic telescopic module, for measuring the temperature of the ultra-magnetic telescopic module;Strain gauge adhesion is on the GMM rod surface, for incuding the dependent variable of the GMM rod;Laser displacement sensor is oppositely arranged with the test with stacking power output rod in formula ultra-magnetic deformation actuator.The system can obtain stacking the regularity of distribution of each state parameter and the basic output characteristics for stacking formula ultra-magnetic deformation actuator in the work of formula ultra-magnetic deformation actuator, provide reference and foundation for the modeling of subsequent actuator and control.

Description

Stack formula ultra-magnetic deformation actuator characteristic test system
Technical field
The super mangneto of formula is stacked the present invention relates to ultra-magnetic deformation actuator test device technical field more particularly to one kind to stretch Contracting actuator characteristics test macro.
Background technique
With the continuous development of material science, novel intelligent material is gradually applied to electrohydraulic servo valve EHSV.As intelligence Can material family important a member, Giant Magnetostrictive Materials have excellent performance indicator, for example stagnant ring is small, Ying Bian great, defeated Big, energy density height of power output etc..High performance servo valve ultra-magnetic deformation actuator is developed using these good characteristics of GMM GMA, for promoting the static and dynamic performance of EHSV, the application field for expanding EHSV is significant.Stack the cause of formula ultra-magnetic telescopic The structure type that dynamic device SGMA is arranged alternately using permanent magnet and GMM rod, so as to effectively improve the uniformity of bias, simultaneously The bulky deficiency of tubular permanent magnet quality is overcome, but due to the Distribution of Magnetic Field of the different SGMA of bias applying mode rule There is larger difference with Traditional GM A, it is therefore desirable to which finding one kind can be to the system that SGMA is tested.
Summary of the invention
Technical problem to be solved by the invention is to provide the distributions that one kind can obtain each state parameter in SGMA work The basic output characteristics of rule and SGMA stacks the super mangneto of formula for what the modeling of subsequent actuator and control provided reference and foundation Expansion actuator characteristic test system.
In order to solve the above technical problems, the technical solution used in the present invention is: one kind stacks the actuating of formula ultra-magnetic telescopic Device characteristic test system, it is characterised in that: including testing with formula ultra-magnetic deformation actuator is stacked, pressure sensor is installed on institute The fixing end for stating ultra-magnetic telescopic module in actuator, for measuring prestressing force suffered by GMM rod in ultra-magnetic telescopic module;Magnetic Field intensity sensor includes hall probe and the matched gaussmeter used, and the hall probe is tightly attached to ultra-magnetic telescopic mould The GMM rod surface of block, for measuring the magnetic field strength near GMM rod surface, the numerical value of measurement sends the gaussmeter to;Magnetic strength Search coil is answered to be wound into the outside of the GMM rod, for measuring the intensity of magnetization in GMM rod;Temperature probe is mounted on described The middle part of ultra-magnetic telescopic module, for measuring the temperature of the ultra-magnetic telescopic module;Strain gauge adhesion is in the GMM rod table Face, for incuding the deformation quantity of the GMM rod;Laser displacement sensor and the test are with stacking formula ultra-magnetic deformation actuator Middle power output rod is oppositely arranged, for measuring the displacement of the actuator.
A further technical solution lies in: the test includes ultra-magnetic telescopic mould with the formula ultra-magnetic deformation actuator of stacking Block, the ultra-magnetic telescopic module include permanent magnet, GMM rod and driving coil component, and the permanent magnet is arranged there are three more than, A GMM rod, the stick that the driving coil component is located at the permanent magnet and GMM rod is constituted are provided between every two permanent magnet The outside of shape structure;The left side of leftmost side permanent magnet is connect by the pressure sensor with left end cap, described in the rightmost side forever The right side of magnet is connect with the medial end of the power output rod, and the outboard end of the power output rod is stretched from right end cap Out, the movable end of the laser displacement sensor and the power output rod is oppositely arranged;The right end cap and the rightmost side are forever It is arranged with reset spring on power output rod between magnet, the one end for connecting sleeve is fixedly connected with the left end cap, connection The other end of sleeve is fixedly connected with the right end cap, and the connection sleeve is located at the outside of the driving coil component.
A further technical solution lies in: the test further includes clamping device with the formula ultra-magnetic deformation actuator of stacking, The left end cap is fixedly connected with the clamping device.
A further technical solution lies in: the test macro further includes data collecting card and main control computer, the pressure The signal output end of force snesor is connect with the signal input part of the data collecting card, for sending the information of acquisition to institute It states data collecting card to be handled, treated pressure information sends the main control computer to by data collecting card.
A further technical solution lies in: the signal input of the signal output end and the data collecting card of the gaussmeter End connection, is handled, treated, and magnetic field strength information passes through for sending the information of acquisition to the data collecting card Data collecting card sends the main control computer to.
A further technical solution lies in: the signal output end of the foil gauge passes through the input of the signal of electric bridge and deformeter End connection, the signal output end of the deformeter are connect with the signal input part of the data collecting card, the letter for will acquire Breath sends the data collecting card to and is handled, and treated strain information sends the master control meter to by data collecting card Calculation machine.
A further technical solution lies in: the signal output end of the temperature probe and the signal input part of temperature transmitter Connection, the signal output end of the temperature transmitter is connect with the signal input part of the data collecting card, for what will be acquired Information sends the data collecting card to and is handled, and treated temperature information sends the master control to by data collecting card Computer.
A further technical solution lies in: the driving signal output end of the data collecting card and the signal of power amplifier Input terminal connection, the signal output end of the power amplifier connect with the both ends of the driving coil component coil, are used for Working power is provided for the coil, voltage measurement module and current measurement mould are provided on the conducting wire of power amplifier output Block, for measuring the output electric current and output voltage of the power amplifier, the voltage measurement module and current measurement module Signal output end connect with the signal input part of the data collecting card, adopted for sending the information of acquisition to the data Truck is handled, and treated electric current and information of voltage send the main control computer to by data collecting card.
A further technical solution lies in: the driving coil component includes driving coil and coil rack, the driving Coil is wound on the coil rack.
A further technical solution lies in: the miniature pressure of DYHW-116 type that the pressure sensor is sensed using Bangbu ocean Formula sensor;Magnetic field strength transducer uses CH-1600 type magnetic field strength transducer;The foil gauge uses Air China's electrical measurement BA120-3AA type foil gauge, the STT-FB3 type chip temperature that temperature probe is insulted using match hundred million.
The beneficial effects of adopting the technical scheme are that the test macro is using data collecting card as core, By configuring multiple sensors, the real time monitoring of achievable a running parameters more to SGMA.On this basis, GMM characteristic is carried out Experiment and actuator characteristics experiment.By GMM characteristic test, the basic performance indices of material therefor are obtained, determine that actuator is set The basic parameter of meter;It is tested by actuator characteristics, obtains the regularity of distribution of each state parameter and the base of SGMA in SGMA work This output characteristics provides reference and foundation for the modeling of subsequent actuator and control.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the functional block diagram of system described in the embodiment of the present invention;
Fig. 2 is the functional block diagram of software in system described in the embodiment of the present invention;
Fig. 3 is data acquisition module surface chart in system described in the embodiment of the present invention;
Fig. 4 is data readback surface chart in system described in the embodiment of the present invention;
Fig. 5 is data processing module surface chart in system described in the embodiment of the present invention;
Wherein: 1, pressure sensor;2, GMM rod;3, hall probe;4, magnetic induction search coil;5, temperature probe;6, it strains Piece;7, laser displacement sensor;8, permanent magnet;9, driving coil component;10, left end cap;11, power output rod;12, right end Lid;13, reset spring;14, sleeve is connected;15, clamping device.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
GMM characteristic test demand:
GMM shows complicated constitutive bchavior at work, for the accurate performance indexes for grasping material, actuator is instructed to set Meter and production, need to analyze the magnetics of material, mechanics, thermodynamic behaviour comprehensively by test experiments.Influence GMM mangneto The factor of dilatation mainly includes magnetic field strength, prestressing force, temperature and driving magnetic field frequency.It, will be real in GMM characteristic test It tests and is divided into three, investigate the influence of prestressing force, temperature and driving magnetic field frequency to GMM magnetostrictive strain respectively.
1) under different prestressing force material magnetostrictive strain measurement.Correlative study shows under suitable prestressing force GMM rod is deformed with maximum magnetostriction.Therefore, the purpose of this experiment is exactly to pass through test and find suitable prestressing force to take Value, improves the output displacement of GMA.
2) under different temperatures material magnetostrictive strain measurement.Under the conditions of determining suitable prestressed, change GMM Operating temperature, temperature can be obtained to the influence curve of GMM magnetostrictive strain.By curve, it is defeated to GMA temperature change can be calculated The influence of precision out, and then suitable temperature control system is designed, improve actuator output accuracy.
3) under different driving frequency material magnetostrictive strain measurement.When GMM works in high-frequency alternating magnetic field, material Material is internal to generate apparent eddy current effect, increase the energy loss of material internal.So being tested by this item, research material Magnetostriction deformation under different frequency, facilitates the dynamic output characteristic for predicting GMA, designs its reasonable working band.
In addition to above three factor, magnetic field strength also will affect the magnetostrictive strain of material, with magnetic field strength Increase, the magnetostriction of GMM deformation is gradually increased, and presence phenomena such as due to dead zone, saturation, and corresponding between them is closed It is and non-linear.Influence of the magnetic field strength to GMM magnetostrictive strain is studied, for determining the ideal operation section of GMA, is improved Its output performance has greater significance.Due to having depicted magnetic field strength-magnetostrictive strain in first item and Section 3 experiment Curve, it is determined that influence of the magnetic field strength to magnetostrictive strain, therefore no longer this is individually studied and discussed.
Actuator characteristics test demand:
The structure type that SGMA uses permanent magnet-GMM rod to be arranged alternately, different with Traditional GM A, such structure facilitates Actuator obtains more uniform bias magnetic field.But the Distribution of Magnetic Field that special structure also leads to SGMA is different from tradition GMA, and then lead to the difference of the distribution of the SGMA intensity of magnetization, Strain Distribution and final output characteristic.Special knot based on SGMA Structure studies the overall permanence of actuator by experiment comprehensively, and content specifically includes that
1) SGMA magnetic field strength, the intensity of magnetization and Strain Distribution research.Magnetic field strength, the intensity of magnetization, strain are SGMA worked Three important intermediate variables and SGMA are different from the important parameter of Traditional GM A in journey.Pass through these three changes of experiment measurement Amount, accurately understands its characteristic distributions, can provide foundation for the modeling and optimization of SGMA.
2) SGMA power output and output displacement research.Power output and output displacement are the most direct of measurement GMA output characteristics With most critical index, the main purpose of this item experiment is by the output performance of the measurement verifying SGMA of this two indexs, simultaneously Verify the design method and Modeling Theory of actuator.
Actuator controls experiment demand: on the basis of GMM characteristic test and actuator characteristics are tested, by system Transformation and expansion, it is desirable to be able to complete SGMA control experiment.By different control strategy embedded systems, its control effect is tested, is looked for To ideal SGMA control method, the high-precision servo control of SGMA is realized.
Other reserved experiment demands: in addition to above-mentioned experiment, designed test macro should be able to be in the SGMA course of work Each relevant variable parameter carries out overall monitor, convenient for the analysis and research of the part and overall work characteristic SGMA.
Overall, as shown in Figure 1, the embodiment of the invention discloses one kind to stack formula ultra-magnetic deformation actuator characteristic test System, the system can be divided into four parts: acquisition control system, power-supply system, sensor-based system and actuator system.Acquisition control System is the maincenter and core of entire test macro, mainly includes main control computer and data collecting card (data Acquisition card, DAQ), DAQ is connected with computer, the data information that responsible receiving sensor is passed back, and output calculates The control signal that machine issues.Independently developed experiment test software is run in computer, software is in Labwindows/CVI platform Lower exploitation can cooperate DAQ to realize real-time acquisition, storage, display and the analysis of experimental data, and monitor whole experiment process. The chief component of power-supply system is power amplifier, can amplify the control signal of capture card output, provide not for actuator With the drive waveforms of form.Sensor-based system mainly includes various sensor and corresponding signal condition equipment, for testing Each characteristic parameter of SGMA is acquired in journey, and is translated into measurable voltage signal.Actuator system is that the test designed is used SGMA is the object of test system and test.
Further, described to stack formula ultra-magnetic deformation actuator characteristic test system, including the test super magnetic of the formula that stacks Expansion actuator is caused, pressure sensor 1 is installed on the fixing end of ultra-magnetic telescopic module in the actuator, for measuring super magnetic Cause prestressing force suffered by GMM rod 2 in flexible module;Magnetic field strength transducer includes hall probe 3 and the matched height used This meter, the hall probe 3 is tightly attached to 2 surface of GMM rod of ultra-magnetic telescopic module, for measuring the magnetic near 2 surface of GMM rod Field intensity, the numerical value of measurement send the gaussmeter to;Magnetic induction search coil 4 is wound into the outside of the GMM rod 2, is used for Measure the intensity of magnetization in GMM rod 2;Temperature probe 5 is mounted on the middle part of the ultra-magnetic telescopic module, described super for measuring The temperature of magnetostriction module;Foil gauge 6 is pasted onto 2 surface of GMM rod, for incuding the deformation quantity of the GMM rod 2;Swash Optical displacement sensor 7 is oppositely arranged with the test with stacking power output rod in formula ultra-magnetic deformation actuator, for measuring The displacement of the actuator.
Further, the test includes ultra-magnetic telescopic module with the formula ultra-magnetic deformation actuator of stacking, the super magnetic Causing flexible module includes permanent magnet 8, GMM rod 2 and driving coil component 9;The setting of permanent magnet 8 is there are three more than, every two A GMM rod 2 is provided between permanent magnet 8, the driving coil component 9 is located at the stick that the permanent magnet 8 is constituted with GMM rod 2 The outside of shape structure;The left side of leftmost side permanent magnet 8 is connect by the pressure sensor 1 with left end cap 10, rightmost side institute The right side for stating permanent magnet 9 is connect with the medial end of the power output rod 11, the outboard end of the power output rod 11 Portion is stretched out from right end cap 12, and the movable end of the laser displacement sensor 7 and the power output rod 11 is oppositely arranged;The right side Be arranged with reset spring 13 on power output rod between end cap 12 and the permanent magnet of the rightmost side 8, connect one end of sleeve 14 with The left end cap 10 is fixedly connected, and the other end of connection sleeve 14 is fixedly connected with the right end cap 12, and the connection sleeve 14 are located at the outside of the driving coil component 9.The driving coil component 9 includes driving coil and coil rack, the drive Moving winding is wound on the coil rack;The left end cap 10 is fixedly connected with the clamping device 15.
It further, can be using three sections of GMM rods and four sections of set of permanent magnets at magnetostriction module in actuator.By Test content it is found that need to measure the parameters such as the magnetic field strength of different location, magnetic induction intensity, strain in GMM rod in an experiment, Therefore GMM rod needs enough length and surface area installation testing element.Four measurement points are chosen in every section of GMM rod, are The interference of testing element between different measurement points is avoided, the bar that diameter is 16mm is chosen, every segment length is 33mm;Permanent magnet diameter Equal with GMM rod diameter, every segment length is 6mm.
Further, the signal output end of the pressure sensor 1 is connect with the signal input part of the data collecting card, It is handled for sending the information of acquisition to the data collecting card, treated, and pressure information is passed by data collecting card Give the main control computer.Pressure sensor is installed on the fixing end of magnetostriction module, pre- suffered by GMM rod for measuring Stress.The miniature press type sensor of DYHW-116 type that pressure sensor selects Bangbu ocean to sense, the type sensor have size Small feature, suitable for size-constrained measurement occasion, range ability is lower than 0.5% up to 1000kg, measurement error.
Magnetic field strength transducer includes hall probe and matched gaussmeter, model CH-1600.Hall probe is tight It is affixed on GMM rod surface, the magnetic field strength near stick surface can be measured, numerical value is shown by the liquid crystal display panel on gaussmeter, simultaneously DAQ can also be transferred to by signal wire.
Magnetic induction intensity sensor uses the magnetic induction search coil of voluntarily coiling, and measuring principle can use faraday's electromagnetism Incude theorem description, indicate are as follows:
In formula,NFor number of inductive coil turns,AFor induction coil cross-sectional area,ε(t) it is the induced electromotive force that coil both ends generate.
It should be noted that including integral element in above formula, this process is realized, be generally divided into two steps in an experiment, it is first real Then the induced voltage that Shi Jilu coil generates completes the solution of integral element using integrator.Obtaining magnetic induction intensity On the basis of, the intensity of magnetization in GMM rod can be calculated:
In formula,μ 0For space permeability,HFor magnetic field strength corresponding in GMM rod.
The signal output end of the gaussmeter is connect with the signal input part of the data collecting card, the letter for will acquire Breath sends the data collecting card to and is handled, and magnetic field strength information that treated sends the master to by data collecting card Control computer.
The signal output end of the foil gauge 6 is connected by the signal input part of electric bridge and deformeter, the deformeter Signal output end is connect with the signal input part of the data collecting card, is acquired for sending the information of acquisition to the data Card is handled, and treated strain information sends the main control computer to by data collecting card.Foil gauge selects " Air China The BA120-3AA type foil gauge of electrical measurement " production, paste position is as in Figure 2-4, and structure size is 6.4mm × 3.5mm, electricity Resistance value is 120 Ω.Meanwhile have the function of temperature self-compensation, can dynamic strain within 150 DEG C of precise measurement, highest test Frequency is higher than 1kHz.
The signal output end of the temperature probe 5 and the signal input part of temperature transmitter connect, the temperature transmitter Signal output end connect with the signal input part of the data collecting card, adopted for sending the information of acquisition to the data Truck is handled, and treated temperature information sends the main control computer to by data collecting card.Chip temperature installation Among magnetostriction module, model STT-FB3(production firm be match hundred million insult), can -50 DEG C of precise measurement ~ 200 DEG C it Between temperature range, precision be 0.1 DEG C.Sensor signal can be changed into voltage signal by cooperation temperature transmitter, facilitate DAQ's Data acquisition.
In addition, as shown in Figure 1, the driving signal output end of the data collecting card and the signal input part of power amplifier Connection, the signal output end of the power amplifier are connect with the both ends of the driving coil component coil, for being described Coil provides working power, is provided with voltage measurement module and current measurement module on the conducting wire of power amplifier output, uses In the output electric current and output voltage that measure the power amplifier, the signal of the voltage measurement module and current measurement module Output end is connect with the signal input part of the data collecting card, for by the information of acquisition send to the data collecting card into Row processing, treated electric current and information of voltage send the main control computer to by data collecting card.
The TA189, output sensitivity 100mV/ of model " Pico electronics " production of current clamp (current measurement module) A, range are 5mA ~ 30A, and measurement error is lower than 1%.In measurement without cutting, removing or break line, by the input line of SGMA Across current clamp jaw, driving current value in actuator can be measured.
Displacement sensor selects MicrotrakTM3-LTS-025-02 type laser displacement inductor, the type sensor combine most New CMOS induction technology, is capable of the change in displacement of precise measurement testee, and measurement sensitivity is 0.25 μm/mV, resolution ratio It is 0.038 μm, measurement frequency range is 0 ~ 20kHz.
Different from the load cell inside SGMA, piezoelectric force transducer is mounted on the outside of actuator, is contacted with output rod, For measuring the power output of SGMA.Sensor model number is the DHL050 of " Jiangsu east China test " production, dynamometry range is 0 ~ 5000N, sensitivity 3.06pC/N, it is non-linear in measurement process to be lower than 1%.
The effect of power amplifier is so that coil is obtained sufficiently large drive the weak drive signals amplification of capture card output Streaming current.The model GF-800(production firm that power amplifier is selected is Yangzhou Radio No.2 Factory), peak power output is 800W, maximum are 30A by electric current.
DAQ is the core component of SGMA test macro, and major function includes multi channel signals synchronous acquisition and control letter Number output.According to design requirement, system needs to complete multinomial experiment, wherein acquiring the most experiment of signal includes No. 10 sensors Signal.The highest test frequency of SGMA is set as 500Hz, by sampling thheorem it is found that if desired complete recurrence system state, sampling Frequency should be not less than 20 times of its working frequency, and therefore, the sample rate of DAQ should be higher than that 100kS/s.DAQ selects " American National instrument The PXIe-6361 of device company (National Instruments, NI) " production, it includes the input of 16 tunnel analog signals and 2 tunnels Analog signal output, sampling precision are 16, and maximum sampled voltage is ± 10V, and multichannel maximum sample rate is 2MS/s, can Meet the sample requirement of test macro.
Main control computer selects the Precision work station of Dell, embeds six core E5 processors, and 32G RAM has powerful Calculated performance, suitable for test macro data storage, analysis and processing.
On the basis of hardware design, need to design and write SGMA testing system software, realize sensing data acquisition, Storage, processing and analysis.Labwindows/CVI is a virtual instrument development platform based on ANSI C that NI company releases, Its programming mode is powerful, convenient, flexible based on C language, in combination with the function library of abundant profession, to be familiar with C language Developer's exploitation data acquisition of speech, analysis, control software provide an ideal platform.MATLAB is a powerful Numerical value software for calculation has the characteristics that simple interface, programming are convenient, and includes powerful function and tool box, especially fits It shares in mathematical computations and analysis.Using modularization programming thought software design, using Labwindows/CVI and MATLAB hybrid programming writes testing system software, realizes the combination and mutual supplement with each other's advantages of both softwares.
System software overall framework: testing system software needs to realize SGMA characteristic test with hardware system cooperation.Specifically For, need system can long-time stable acquisition, store and show sensor signal, the online processing for completing signal, such as frequency Domain is shown, coordinate transforming is shown, simply filtering processing etc..After the completion of data acquisition, the data of acquisition can be played back, and root According to need to screen data, filter, numerical value calculates and analysis.Fig. 2 is testing system software frame diagram, soft according to function Part system can be divided into three modules: data acquisition module, data readback module and data processing module.Each module all has solely Vertical interface, it is interrelated by main program menu between each interface, so that software has preferable operability, it is also beneficial to simultaneously The update and expansion of software function.In the following, by the function of three modules and implementation method are specifically introduced respectively.
Data acquisition module: data acquisition module is most basic and most important functional module in testing system software, main It is responsible for the acquisition, storage and display of sensing data, function is similar with the acquisition equipment that oscillograph etc. is traditional, substantially traditional The virtualization of instrument.Therefore the module is not related to complicated calculating and analysis can individually be opened by Labwindows/CVI platform Hair.Fig. 3 is data acquisition module interface.
In data acquisition module, the function of communicating submodule is that hardware communications are realized with DAQ, and DAQ is collected Signal is passed to computer.Due to NI capture card and the good compatibility of Labwindows/CVI, using in Labwindows/CVI The reliable communication with DAQ can be realized in the simple function set.The workflow of communication submodule can be described as: utilize self-test function DAQ self-test is completed, checks whether equipment is correctly installed, can be worked normally;Sampling task is established, sampling parameter setting is carried out, Main includes setting sampling channel, sample rate, triggering mode, range ability etc.;Continuously adopting for data is realized using sampling function Collection;Remove sampling task, releasing memory.
The function of sub-module stored is by the storage of collected data into computer disk, convenient for subsequent data processing And analysis.SGMA test sample channel is more, and sample rate is big, and sampling will generate huge data volume for a long time, if dealt with improperly It will lead to leakage even to overflow.Therefore, how the data that quick storage has acquired become highly important link in system design. For this purpose, special storage mode --- TDMS file stores data to sub-module stored using a kind of.The number of TDMS format Have the characteristics that binary data efficient storage according to file, while including the characteristic information for describing data, can not influence to adopt The quick storage of data is realized under the premise of collecting real-time.
Data of the display sub-module for each channel acquisition of real-time display DAQ, and display setting can be changed according to demand, it is real Now to the real-time monitoring of acquisition overall process or specific portion feature.Not influence the real-time that data acquire, by display sub-module An individual threads are put into, in Labwindows/CVI, nonsynchronous timer can be used for generating an independent thread, timing Precision is up to 1ms.
Data readback module: data readback module mainly includes that reading data and data are shown.The function of reading data is Some or all of hard disk data will be stored on to re-read in memory, data show be the data that will read as needed It is screened and is shown.The programming implementation method of the module is similar with real-time display submodule, using Labwindows/CVI Platform is implemented separately, and Fig. 4 is data readback module interfaces.
Data processing module: in data acquisition, for the real-time for guaranteeing system, usually can not be in detail to data The analysis of system, devises data processing module thus.Data processing module is analyzed and processed for off-line data, without considering Real time problems, processing result can provide foundation for the structure optimization of SGMA and control strategy design.In data processing module In, devise four filtering processing, time-domain analysis, frequency-domain analysis and correlation analysis basic functions.Due to being directed to compare Complicated numerical value calculates, when writing the module, using ActiveX control, to MATLAB order in Labwindows/CVI It is called, realizes Labwindows/CVI and MATLAB combined programming.Fig. 5 is data processing module interface.
The test macro is achievable more to SGMA by passing through setting multiple sensors using data collecting card as core The real time monitoring of a running parameter.On this basis, GMM characteristic test and actuator characteristics experiment are carried out.It is real by GMM characteristic It tests, obtains the basic performance indices of material therefor, determine the basic parameter of actuator design;It is tested, is obtained by actuator characteristics The regularity of distribution of each state parameter and the basic output characteristics of SGMA into SGMA work, model and are controlled for subsequent actuator Reference and foundation are provided.

Claims (10)

1. one kind stacks formula ultra-magnetic deformation actuator characteristic test system, it is characterised in that: including testing the super magnetic of the formula that stacks Expansion actuator is caused, pressure sensor (1) is installed on the fixing end of ultra-magnetic telescopic module in the actuator, super for measuring Prestressing force suffered by GMM rod (2) in magnetostriction module;Magnetic field strength transducer includes hall probe (3) and matched makes Gaussmeter, the hall probe (3) is tightly attached to GMM rod (2) surface of ultra-magnetic telescopic module, for measuring GMM rod (2) Magnetic field strength near surface, the numerical value of measurement send the gaussmeter to;Magnetic induction search coil (4) is wound into the GMM The outside of stick (2), for measuring the intensity of magnetization on GMM rod (2);Temperature probe (5) is mounted on the ultra-magnetic telescopic module Middle part, for measuring the temperature of the ultra-magnetic telescopic module;Foil gauge (6) is pasted onto the GMM rod (2) surface, is used for Incude the deformation quantity of the GMM rod (2);Laser displacement sensor (7) and the test are with stacking formula ultra-magnetic deformation actuator Middle power output rod is oppositely arranged, for measuring the displacement of the actuator.
2. stacking formula ultra-magnetic deformation actuator characteristic test system as described in claim 1, it is characterised in that: the test Include ultra-magnetic telescopic module with the formula ultra-magnetic deformation actuator of stacking, the ultra-magnetic telescopic module include permanent magnet (8), GMM rod (2) and driving coil component (9), there are three more than, every two permanent magnet is arranged between (8) for permanent magnet (8) setting There is a GMM rod (2), the driving coil component (9) is located at the club shaped structure of the permanent magnet (8) and GMM rod (2) composition Outside;The left side of the permanent magnet (8) of the leftmost side is connect by the pressure sensor (1) with left end cap (10), the rightmost side The right side of the permanent magnet (9) is connect with the medial end of the power output rod (11), the power output rod (11) Outboard end is stretched out from right end cap (12), the movable end phase of the laser displacement sensor (7) and the power output rod (11) To setting;Reset spring (13) are arranged on power output rod between the right end cap (12) and the permanent magnet (8) of the rightmost side, One end of connection sleeve (14) is fixedly connected with the left end cap (10), connects the other end and the right end cap of sleeve (14) (12) it is fixedly connected, and connection sleeve (14) is located at the outside of the driving coil component (9).
3. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 2, it is characterised in that: the test It further include clamping device (15) with the formula ultra-magnetic deformation actuator of stacking, the left end cap (10) and the clamping device (15) are solid Fixed connection.
4. stacking formula ultra-magnetic deformation actuator characteristic test system as described in claim 1, it is characterised in that: the test System further includes data collecting card and main control computer, and the signal output end of the pressure sensor (1) and the data acquire The signal input part of card connects, and handles for sending the information of acquisition to the data collecting card, pressure that treated Information sends the main control computer to by data collecting card.
5. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 4, it is characterised in that: the Gauss The signal output end of meter is connect with the signal input part of the data collecting card, for sending the information of acquisition to the data Capture card is handled, and magnetic field strength information that treated sends the main control computer to by data collecting card.
6. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 4, it is characterised in that: the strain The signal output end of piece (6) is connected by the signal input part of electric bridge and deformeter, the signal output end of the deformeter and institute The signal input part connection for stating data collecting card, handles for sending the information of acquisition to the data collecting card, locates Strain information after reason sends the main control computer to by data collecting card.
7. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 4, it is characterised in that: the thermometric Pop one's head in (5) signal output end and temperature transmitter signal input part connect, the signal output end of the temperature transmitter with The signal input part of the data collecting card connects, and handles for sending the information of acquisition to the data collecting card, Treated temperature information sends the main control computer to by data collecting card.
8. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 4, it is characterised in that: the data The driving signal output end of capture card and the signal input part of power amplifier connect, the signal output end of the power amplifier It is connect with the both ends of the driving coil component coil, for providing working power, power amplifier output for the coil Be provided with voltage measurement module and current measurement module on the conducting wire at end, for measure the power amplifier output electric current and The signal output end of output voltage, the voltage measurement module and current measurement module and the signal of the data collecting card input End connection, is handled for sending the information of acquisition to the data collecting card, and treated electric current and information of voltage are logical It crosses data collecting card and sends the main control computer to.
9. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 2, it is characterised in that: the driving Coil block (9) includes driving coil and coil rack, and the driving coil is wound on the coil rack.
10. stacking formula ultra-magnetic deformation actuator characteristic test system as claimed in claim 4, it is characterised in that: the pressure The miniature press type sensor of DYHW-116 type that force snesor (1) uses Bangbu ocean to sense;Magnetic field strength transducer uses CH- 1600 type magnetic field strength transducers;The foil gauge (6) uses the BA120-3AA type foil gauge of Air China's electrical measurement, temperature probe (5) The STT-FB3 type chip temperature insulted using match hundred million.
CN201910584949.3A 2019-07-01 2019-07-01 Stack formula ultra-magnetic deformation actuator characteristic test system Pending CN110221232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910584949.3A CN110221232A (en) 2019-07-01 2019-07-01 Stack formula ultra-magnetic deformation actuator characteristic test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910584949.3A CN110221232A (en) 2019-07-01 2019-07-01 Stack formula ultra-magnetic deformation actuator characteristic test system

Publications (1)

Publication Number Publication Date
CN110221232A true CN110221232A (en) 2019-09-10

Family

ID=67815613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910584949.3A Pending CN110221232A (en) 2019-07-01 2019-07-01 Stack formula ultra-magnetic deformation actuator characteristic test system

Country Status (1)

Country Link
CN (1) CN110221232A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236438A (en) * 2021-12-20 2022-03-25 中国石油大学(华东) Measuring device and measuring method for magnetic parameters of giant magnetostrictive material

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301930A (en) * 2007-03-23 2008-11-12 古德里奇驱动系统有限公司 Improved load detection on a flight control actuator
CN101995730A (en) * 2009-08-18 2011-03-30 松下电器产业株式会社 Optical element driving device and imaging device
CN102255555A (en) * 2011-07-11 2011-11-23 南京航空航天大学 Permanent magnet dual-coil-driven giant magnetostrictive actuator and working method thereof
CN202165685U (en) * 2011-08-01 2012-03-14 艾默生过程管理(天津)阀门有限公司 Connector for valve assembly and valve assembly with same
CN104280243A (en) * 2013-07-08 2015-01-14 Smc株式会社 Fault detection system for actuator
CN205271597U (en) * 2015-12-23 2016-06-01 王晶怡 Low -power consumption precision on -line monitoring system in precision finishing
CN107218884A (en) * 2017-07-14 2017-09-29 武汉地震科学仪器研究院有限公司 A kind of drilling strain gauge overall performance test device and method of testing
WO2017208674A1 (en) * 2016-06-02 2017-12-07 株式会社コガネイ Position detecting device and actuator
CN108981756A (en) * 2017-05-30 2018-12-11 梅斯法国公司 The temperature-compensating of field sensing unit and the field sensing unit for using temperature-compensating

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301930A (en) * 2007-03-23 2008-11-12 古德里奇驱动系统有限公司 Improved load detection on a flight control actuator
CN101995730A (en) * 2009-08-18 2011-03-30 松下电器产业株式会社 Optical element driving device and imaging device
CN102255555A (en) * 2011-07-11 2011-11-23 南京航空航天大学 Permanent magnet dual-coil-driven giant magnetostrictive actuator and working method thereof
CN202165685U (en) * 2011-08-01 2012-03-14 艾默生过程管理(天津)阀门有限公司 Connector for valve assembly and valve assembly with same
CN104280243A (en) * 2013-07-08 2015-01-14 Smc株式会社 Fault detection system for actuator
CN205271597U (en) * 2015-12-23 2016-06-01 王晶怡 Low -power consumption precision on -line monitoring system in precision finishing
WO2017208674A1 (en) * 2016-06-02 2017-12-07 株式会社コガネイ Position detecting device and actuator
CN108981756A (en) * 2017-05-30 2018-12-11 梅斯法国公司 The temperature-compensating of field sensing unit and the field sensing unit for using temperature-compensating
CN107218884A (en) * 2017-07-14 2017-09-29 武汉地震科学仪器研究院有限公司 A kind of drilling strain gauge overall performance test device and method of testing

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
何忠波: """叠堆式超磁致伸缩致动器的模型预测滑模控制"", 《光学精密工程》 *
崔旭: ""超磁致伸缩致动器优化设计与特性测试"", 《机械设计及制造》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236438A (en) * 2021-12-20 2022-03-25 中国石油大学(华东) Measuring device and measuring method for magnetic parameters of giant magnetostrictive material
WO2023115671A1 (en) * 2021-12-20 2023-06-29 中国石油大学(华东) Device and method for measuring magnetic parameter of giant magnetostrictive material

Similar Documents

Publication Publication Date Title
CN104062610B (en) The magnetic characteristic test device of magnetostriction materials and detection method
CN104122516B (en) A kind of electrical sheet magnetostriction measurement system and method
CN106802399B (en) A kind of measuring system and method for magnetostriction coefficient
CN106018942A (en) Current sensor array used for measuring three-phase current and measuring method thereof
WO1990013044A1 (en) Multiparameter magnetic inspection system
CN110221232A (en) Stack formula ultra-magnetic deformation actuator characteristic test system
CN2777569Y (en) Digital current transformer character integrated measurer
CN103344926B (en) A kind of magnetoelectric material magnetic performance synchronous testing device
CN105182261A (en) Non-contact measuring method for magnetic field strength of iron core in coil
CN103526738A (en) Flat dilatometer device for in-situ soil test
CN103278698B (en) A kind of measurement mechanism of iron loss of oriented silicon steel by utilizing value and method
CN104567975B (en) The inspection of a kind of single coil vibrating wire instrument and the apparatus and method of calibration
CN204405306U (en) Fatigue life gage caliberating device
CN106643637B (en) Inspection type principal strain measurement method for vibration measurement
CN110031085A (en) A kind of Damage Assessment Method sensor and Structural Damage Identification based on favour stone full-bridge principle
CN203572435U (en) Weak strain measurement system
CN106849773B (en) A kind of permanent magnet synchronous motor servo inertia system identifying method
CN102506694B (en) Dynamic strain field observation system
Das et al. Enhancing the linearity of LVDT by two-stage functional link artificial neural network with high accuracy and precision
CN112380693B (en) Method and system for obtaining electromagnetic attraction force of electromagnetic contactor based on current curve
CN109039208A (en) A kind of switched reluctance machines incremental inductance characteristic online test method
CN111240198B (en) Piezoelectric ceramic actuator hysteresis analysis method
CN209589305U (en) One kind being based on ultra-magnetic telescopic back wash effect pressure sensor
CN109003644B (en) Magnetic memory experimental device for changing external temperature environment
CN202486096U (en) Magnetite core grade estimation device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190910