CN110081804A - Device and method for detecting dynamic performance of relative position sensor of maglev train - Google Patents
Device and method for detecting dynamic performance of relative position sensor of maglev train Download PDFInfo
- Publication number
- CN110081804A CN110081804A CN201910427462.4A CN201910427462A CN110081804A CN 110081804 A CN110081804 A CN 110081804A CN 201910427462 A CN201910427462 A CN 201910427462A CN 110081804 A CN110081804 A CN 110081804A
- Authority
- CN
- China
- Prior art keywords
- relative position
- position sensor
- coil
- equivalent load
- control signal
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
Abstract
The invention discloses a relative position sensor dynamic performance detection device and method of a maglev train, wherein the relative position sensor in the disclosed device comprises a detection coil, the relative position sensor dynamic performance detection device of the maglev train comprises a test coil, an equivalent load, a controller and a performance detection unit, wherein: the controller sends a control signal to the equivalent load to change the equivalent load, so that the actual load in the test coil is changed; the test coil is arranged below the detection coil, the equivalent reactance of the detection coil is changed by the change of the actual load in the test coil, the voltage signals at the two ends of the detection coil are changed along with the change of the actual load, and the position and speed signals generated by the relative position sensor are sent to the performance detection unit; the performance detection unit processes the position and velocity signals to evaluate the performance and quality of the relative position sensor. The method can simply and conveniently simulate the running condition of the relative position sensor at various speeds and heights so as to improve the detection efficiency of the relative position sensor.
Description
Technical field
The present invention relates to a kind of inspections of the relative position sensor dynamic property of magnetic-levitation train field more particularly to magnetic-levitation train
Survey device and method.
Background technique
Relative position sensor is the important component of magnetic-levitation train positioning speed-measuring system, driving direction, the speed of train
Degree, tooth socket count and magnetic pole phase angle information is obtained by relative position sensor measurement.In order to ensure that relative position passes
The test of sensor engineering and production and the control of realization magnetic-levitation train sync pulling and safe operation, need in real time, accurately to obtain
The state of relative position sensor operation, the especially information such as the running position of relative position sensor, speed and direction.
Fig. 1 is existing relative position sensor schematic view of the mounting position.Relative position sensor 100 is mounted on magnetic-levitation train
The end of two section end vehicles, and two are one group, are mounted on side.The detection probe of relative position sensor 100 is towards long fixed
Sub- 001 slot 002 of tooth, the positional relationship between installation site and long stator are as shown in Figure 1.When relative position sensor 100
When detection coil is close to long stator, magnetic field that detection coil is excited will certainly by the influence of long stator silicon steel laminations, thus
Lead to the variation of coil flux linkage.Detection coil magnetic linkage is influenced by 001 slot of long stator tooth, 002 structure, leads to coil equivalent inductance
Variation.Therefore 001 slot of tooth, 002 structure that can use this relationship detection long stator carrys out measurement position, this is opposite position
Set the basic principle of sensor measurement position.
It before relative position sensor is formally equipped, needs to carry out necessary detection to its quality, to guarantee that it is fixed that it meets
The requirement of position velocity-measuring system.Secondly, relative position sensor is chronically exposed to outside, although there is certain protective device, in view of
Working environment is complex, severe, and working sensor is rear it is possible that some failures for a period of time.At this moment, it is necessary in time
Necessary maintenance is carried out to it and is updated.
Using at present has Mechanical Method and coil switching method to carry out sensor performance detection.
The thought source of Mechanical Method is in the real work situation of relative position sensor.Mechanical Method is according to working forms, again
Extension set tool translation method and mechanical turntable method.The characteristics of mechanical translation method, is more real simulation train actual operating state.It should
Method is laid with local long stator track, by controlling the operation of relative position sensor, reproduces real work situation.Mechanical turntable method
Using mechanical turntable, long stator track is simulated.Relative position sensor is simulated in long stator rail by the way that different revolving speeds is arranged
The different speeds of service on road.Although above two method can more true simulation relative position sensor operating condition,
But have a disadvantage that, by taking mechanical translation method as an example: first is that long stator orbit occupancy space is larger, cannot be laid with it is too long so that fortune
Row distance is limited.Second is that the limitation based on mechanical translation method itself, the speed of service is limited, makes it difficult to simulate relative position sensing
The case where device is run at the higher speeds.
The principle that the method for coil switching is also based on the variation of sensor equivalent inductance realizes sensor output signal simulation.
The method of coil switching realizes the variation of sensor equivalent load using devices such as relays by design multiple groups coil.Coil
Whether the method characteristic of switching is that electrical design is relatively simple, detection sensor can work to a certain extent.But it is restricted
In the devices such as relay switch speed and detection coil limited amount, the program is not only difficult to simulate sensor in height item
Dynamic characteristic under part also cannot achieve sensor high-precision analog since resolution ratio is relatively low.
Therefore, how the feelings that simple and convenient simulation relative position sensor is run under various speed and height
Condition, to improve the problem of becoming those skilled in the art's urgent need to resolve to relative position sensor detection efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above of the existing technology, provide a kind of magnetic-levitation train
Relative position sensor dynamic property detection device and method, can simple and convenient simulation relative position sensor various
The case where being run under speed and height, to improve to relative position sensor detection efficiency.
The technical solution used to solve the technical problems of the present invention is that:
A kind of relative position sensor dynamic property detection device of magnetic-levitation train, relative position sensor includes detection line
Circle, the relative position sensor dynamic property detection device of the magnetic-levitation train include test coil, equivalent load, controller and
Performance detection unit, in which:
The controller sends control signal to equivalent load, and equivalent load is big according to control signal change equivalent load
It is small, to change the actual loading size in test coil；
The test coil is arranged in below the detection coil of relative position sensor, the actual negative in the test coil
The equivalent reactance that size variation changes detection coil is carried, the voltage signal at detection coil both ends changes correspondingly, the relative position
The position and speed signal that sensor generates is sent to performance detection unit；
The performance detection unit, sensor output position and speed signal are handled depending on the relative position, to opposite
The performance and quality of position sensor are assessed.
Preferably, described device further includes man-machine interaction unit and computer, in which:
The man-machine interaction unit, the control signal for being sent according to controller show equivalent load variation；User can
Equivalent load variation expectation information is inputted by man-machine interaction unit and is sent to controller, and controller receives equivalent load variation
It is expected that information post-processing is sent to equivalent load for control signal；
The computer, the control signal for being sent according to controller show equivalent load variation；User can pass through meter
Calculation machine input equivalent load variation expectation information is sent to controller, after controller receives equivalent load variation expectation information
Reason is sent to equivalent load for control signal.
Preferably, there is mapping spatially and close in the detection coil of the test coil and the relative position sensor
System, is four groups of " 8 " wordline circles, and every group of coil has at least one conducting wire, every group for spatially testing coil and detection coil
Coil is corresponding up and down.
Preferably, the controller transmission timing control signal is to equivalent load, according to timing control signal equivalent load
Cyclic dispersion variation is generated, makes the cyclically-varying corresponding with detection coil mutual inductance generation of four groups of test coils, detects simultaneously
The voltage magnitude and phase at coil both ends generate cyclically-varying, the position and speed signal that the relative position sensor generates
It is sent to performance detection unit.
Preferably, the equivalent load is four groups of digital potentiometers, is connected respectively with the four sets of coils of test coil.
Preferably, the controller transmission timing control signal is specifically, deposit of the controller to four groups of digital potentiometers
Device sends, different height difference base value identical by four groups of register base value resistance values of sustained height, with periodically variable control
Signal.
Preferably, the controller transmission timing control signal is specifically, deposit of the controller to four groups of digital potentiometers
Device, which is sent, presses different change in resistance, the control signal of different timing variations.
Preferably, after performance detection unit is handled the position and speed signal of relative position sensing output and default
Value compares, and assesses relative position sensor performance and quality.
Structure is simple, precise and high efficiency, can efficiently complete detection and assessment to relative position sensor performance and quality.
The in-orbit virtual condition run at various speeds of relative position sensor can change equivalent load variation by controller come real
Existing, analog goes out virtual condition of the relative position sensor under the operation of various speed.Relative position sensor is in engineering metaplasia
When production, it is detected and is assessed by relative position detection device, to guarantee the performance and quality of relative position sensor,
To ensure magnetic-levitation train safe operation.
The relative position sensor method for testing performance of the magnetic-levitation train of the present invention, the described method comprises the following steps:
Step S100: controller sends control signal to equivalent load, and equivalent load changes equivalent negative according to control signal
Size is carried, to change the actual loading size in test coil；
Step S200: test coil is arranged in below the detection coil of relative position sensor, in the test coil
Actual loading size variation changes the equivalent reactance of detection coil, and the voltage signal at detection coil both ends changes correspondingly, the phase
The position and speed signal generated to position sensor is sent to performance detection unit；
Step S300: sensor output position and speed signal are handled performance detection unit depending on the relative position, right
The performance and quality of relative position sensor are assessed.
Equally, the relative position sensor dynamic property detection device detection method including above-mentioned magnetic-levitation train also has phase
The technical effect answered realizes above-mentioned corresponding purpose.
Detailed description of the invention
Fig. 1 is the relative position sensor system of the magnetic-levitation train of the existing linear synchronous motor traction based on long stator track
The course of work schematic diagram of system；
Fig. 2 is a kind of structural frames of the relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
Figure；
Fig. 3 is a kind of equivalent electricity of the relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
Lu Tu；
Fig. 4 is a kind of relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention shown in Fig. 2
Test coil and relative position sensor detection coil relative position schematic diagram；
Fig. 5 is a kind of a kind of survey of the relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
Try the structural schematic diagram of coil；
Fig. 6 is a kind of equivalent negative of the relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
Carry the structural block diagram with controller.
Fig. 7 is a kind of control electricity of relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
The circuit diagram on road；
Fig. 8 be a kind of magnetic-levitation train in orbit when relative position sensor hoverheight change schematic diagram；
Fig. 9 be a kind of magnetic-levitation train in orbit when relative position sensor pitch angle change schematic diagram；
Figure 10 be a kind of magnetic-levitation train in orbit when relative position sensor yaw angle change schematic diagram；
A kind of Figure 11 flow chart of the relative position sensor method for testing performance of magnetic-levitation train provided by the invention.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, with reference to the accompanying drawing to the present invention
It is described in further detail.
Referring to fig. 2, Fig. 2 is a kind of relative position sensor dynamic property for magnetic-levitation train that magnetic-levitation train of the present invention provides
The structural block diagram of detection device.
A kind of relative position sensor dynamic property detection device of magnetic-levitation train, relative position sensor 100 include inspection
Test coil 200, the relative position sensor dynamic property detection device of the magnetic-levitation train include test coil 300, equivalent negative
Carry 400, controller 500 and performance detection unit 800, in which: the controller 500, equivalent load 400 and test coil 300
It is sequentially connected, the lower section of relative position sensor 100 is arranged in the test coil 300, and test coil 300 and relative position pass
The detection coil 200 of sensor 100 generates mutual inductance effect, and the relative position sensor 100 is connect with performance detection unit 800.
The controller 500 sends control signal to equivalent load 400, and equivalent load 400 changes according to control signal etc.
Payload size is imitated, to change the actual loading size in test coil 300；
The test coil 300 is arranged in below the detection coil 200 of relative position sensor 100, the test coil
Actual loading size variation in 300 changes the equivalent reactance of detection coil 200, the voltage signal at 200 both ends of detection coil with
Change, the generation position and speed signal of the relative position sensor 100 is sent to performance detection unit 800；
The performance detection unit 800,100 output position of sensor and speed signal are handled depending on the relative position,
The performance and quality of relative position sensor 100 are assessed.
Controller 500 controls equivalent load 400 and is changed, and the variation of equivalent load 400 changes the reality of test coil 300
Load, to change the equivalent reactance of the detection coil 200 of relative position sensor 100, makes the resonant state of detection coil 200
It changes, 200 both ends output voltage amplitude of detection coil and phase change therewith, and relative position sensor 100 generates accordingly
Speed and position signal, so as to simulate the in-orbit virtual condition run at various speeds of relative position sensor.Performance
Detection unit 800 handles 100 output position of relative position sensor and speed signal, to relative position sensor 100
Performance and quality detection and assessment.
The apparatus structure is simple, precise and high efficiency, can efficiently complete the detection to relative position sensor performance and quality
With assessment.The in-orbit virtual condition run at various speeds of relative position sensor, can change equivalent load by controller
To realize, analog goes out virtual condition of the relative position sensor under the operation of various speed for variation.Relative position sensor exists
When engineering production, it is detected and is assessed by relative position detection device, to guarantee the property of relative position sensor
Energy and quality, to ensure magnetic-levitation train safe operation.
In further embodiment, described device further includes man-machine interaction unit and computer, in which:
The man-machine interaction unit 600, the control signal for being sent according to controller 500 show that equivalent load 400 becomes
Change；User can be inputted equivalent load variation expectation information by man-machine interaction unit 600 and be sent to controller 500, controller 500
It receives equivalent load variation expectation information post-processing and is sent to equivalent load 400 for control signal；
The computer 800, the control signal for being sent according to controller 500 show that equivalent load 400 changes；User
Equivalent load variation expectation information can be inputted by computer 800 and is sent to controller 500, and controller 500 receives equivalent negative
It carries variation expectation information post-processing and is sent to equivalent load 400 for control signal.
I.e. man-machine interaction unit 600, computer 700 can show equivalent load changing rule.Man-machine interaction unit 600, meter
Calculation machine 700 can be by input value, and controls equivalent load 400 by controller 500 and change.
In further scheme, it further includes analog signal that the relative position sensor 100, which is inductance type transducer,
Processing unit and digital signal processing unit.The detection coil 200, analogy signal processing unit and digital signal processing unit
It is sequentially connected, digital signal processing unit is connect with performance detection unit 800.When the resonant state of detection coil 200 changes
When change, 200 both ends output voltage of detection coil changes therewith, and analogy signal processing unit and digital signal processing unit will test
The voltage signal processing of 200 both ends of coil variation is the simulation in-orbit practical shape run at various speeds of relative position sensor
State.
Referring to Fig. 3, Fig. 3 is a kind of relative position sensor dynamic property for magnetic-levitation train that magnetic-levitation train of the present invention provides
The equivalent circuit diagram of detection device.
Phase in a kind of relative position sensor dynamic property detection device for magnetic-levitation train that magnetic-levitation train of the present invention provides
Equivalent circuit is reduced to position sensor 100, test coil 300, equivalent load 400.Left side is that relative position senses in Fig. 3
100 circuit of device, right side is test coil 300,400 circuit of equivalent load, wherein equivalent load 400 is reduced to high frequency variable
Actual loading reactance.
It can control 400 cyclically-varying of equivalent load by controller 500, the actual loading for testing coil 300 occur
Variation, the equivalent reactance of detection coil 200 change, and the resonant state of detection coil 200 changes correspondingly, detection coil 200
Both ends output voltage changes therewith, and the processing of relative position sensor 100 is made to generate corresponding status information, to simulate opposite position
Set the in-orbit virtual condition run at various speeds of sensor.
The detection coil and equivalent load of test coil, relative position sensor are illustrated further below.
Referring to Fig. 4, Fig. 5, Fig. 4 is a kind of relative position sensor dynamic of magnetic-levitation train provided by the invention shown in Fig. 2
The relative position schematic diagram of the detection coil of the test coil and relative position sensor of device for detecting performance, Fig. 5 are the present invention
A kind of a kind of structural schematic diagram of test coil of the relative position sensor dynamic property detection device of the magnetic-levitation train provided.
There are mapping relations spatially in the detection coil 200 of test coil 300 and the relative position sensor 100,
It tests coil 300 and detection coil 200 is four groups of " 8 " wordline circles, every group of coil has at least one conducting wire, spatially test
Coil 300 is corresponding up and down with every group of coil of detection coil 200.
Detection coil 200 is made of detection coil group 201 and detection coil group 202, detection coil group 201 and detection coil
Group 202 respectively includes two groups of symmetric coils.Test coil 300 is made of test coil group 301 and test coil group 302, is tested
Coil group 301 and test coil group 302 respectively include two groups of symmetric coils.
When changing equivalent load 400, the actual loading of test coil 300 changes, under the action of mutual inductance effect,
200 equivalent reactance of detection coil of relative position sensor 100 changes, and the resonant state of detection coil 200 changes correspondingly,
200 both ends output voltage of detection coil changes therewith, to simulate relative position sensor movement in orbit.
The shape of four groups of test coils 300 can be rectangle, or the arbitrary shapes such as circle, ellipse, every group
Test coil can be laminated by multiple conducting wires or complex method side by side.
500 transmission timing of controller controls signal to equivalent load 400, is produced according to timing control signal equivalent load 400
The higher cyclically-varying of resolution estranged, so that any two groups of test coils in four groups of test coils 300 is made to generate phase angle difference, into
And corresponding two groups of test coils in four groups of detection coils 200 is made to generate phase angle difference, even if four groups of test coils 300 and detection line
It encloses 200 mutual inductances and corresponding cyclically-varying occurs, the amplitude and phase of the voltage signal at 200 both ends of detection coil generate periodically
Variation, the generation position and speed signal of the relative position sensor 100 is sent to performance detection unit 800, to simulate phase
The movement in orbit to position sensor.The variation timing of equivalent load 400 can be controlled by controller 500 to simulate
Train operation state.
Preferably, when the generation position and speed signal of relative position sensor 100 is sent to performance detection unit 800,
Not demarcation of location and speed signal.
For purposes of illustration only, being illustrated so that controller 500 controls two groups of equivalent loads 400 as an example here.Pass through equivalent negative
400 cyclically-varyings are carried, so that the analogy signal processing unit of relative position sensor 100 generates the signal of sine wave.It is adjacent
Two groups of coils phase angle difference, can be simulated by the variation timing that controller 500 controls equivalent load 400.Such as it is opposite
Rectified signal caused by 100 any two groups of coils of position sensor generates 90 ° of phase angle differences, and can be enabled by controller 500 should
The equivalent load 400 of the corresponding test coil 300 of two groups of coils changes differs a quarter period in timing.Train fortune
The adjustment of scanning frequency degree is realized by 400 change frequency of equivalent load of the change test coil 300 of controller 500.
Referring to Fig. 6, Fig. 6 is a kind of relative position sensor dynamic property detection device of magnetic-levitation train provided by the invention
Equivalent load and controller structural block diagram.Equivalent load 400 be four groups i.e. equivalent load 401,402,403,404 respectively with
Test the four sets of coils series connection of coil.
Controller 500 has the control signal of difference of injection time that four groups of equivalent loads 401,402,403,404 is driven to change respectively
The four sets of coils actual loading for becoming test coil makes to examine so that the four sets of coils equivalent reactance of detection coil 200 be made to change
The four sets of coils both ends output voltage of test coil 200 changes therewith, so that more accurate simulation relative position sensor is in-orbit
Movement on road.
Two kinds of different digital potentiometers may be selected in equivalent load 400, so as to the high-resolution under compatible low-speed conditions
Two kinds of detection demands of quick response under demand and high-speed condition.
Referring to Fig. 7 to Figure 10, Fig. 7 is a kind of relative position sensor dynamic property inspection of magnetic-levitation train provided by the invention
Survey device control circuit circuit diagram, Fig. 8 be a kind of magnetic-levitation train in orbit when relative position sensor hoverheight become
Change schematic diagram, Fig. 9 be a kind of magnetic-levitation train in orbit when relative position sensor pitch angle change schematic diagram, Figure 10 mono-
Relative position sensor yaw angle changes schematic diagram when planting magnetic-levitation train in orbit.
The equivalent load 400 is digital potentiometer group, and the digital potentiometer group is made of four groups of digital potentiometers, often
A digital potentiometer is built-in to control register RDAC.It is tested corresponding to the test coil group 301 of coil 300 as 500 Duis of controller
Equivalent load 401,402 digital potentiometer register RADC0, RADC1 and test coil 300 302 institute of test coil group
Digital potentiometer the register RADC2, RADC3 of corresponding equivalent load 403,404 send the control signal for having difference of injection time, simulation
Relative position sensor 100 obtains 90 ° of phase phase difference of rectified signal out.Four group numbers of the controller 500 to equivalent load 400
Potentiometer register sends the periodically variable control signal of different frequency, simulates not going together for relative position sensor 100
Sail speed.
The resistance R variation relation of the digital potentiometer is formula:
R=(D/Dmax)×RAB+Rmin (1)
Wherein: D is that controller is sent to the numerical value of digital potentiometer register, the i.e. value of RADCi, i=0,1,2,3, D≤
Rmax；RABFor digital potentiometer maximum resistance change range, RminDigital potentiometer minimum resistance, DmaxFor digital potentiometer
Register maximum value.
RminAnd DmaxIt is determined by digital potentiometer chip interior, DmaxIt is worth bigger RABIt is smaller, it is higher to change resistance resolution ratio.
Such as choose the digital potentiometer that register is 8, Rmin=75, Dmax=256.In further embodiment, 500 equity of controller
Digital potentiometer register RADC0, RADC1, RADC2 and RADC3 of effect load 400 are generated by simulation relative position sensor
100 in orbit when four groups of register pairs of sustained height answer digital potentiometer register resistance value identical, relative position sensor 100
Four groups of register pairs of different height answer digital potentiometer register value different when in orbit, have periodically variable control
Signal, simulate relative position sensor 100 in orbit and train in orbit when occur hoverheight variation.This has
Periodically variable control signal can be sinusoidal signal.Specifically: controller 500, which sends control signal, makes four groups of registers
RDAC0, RDAC2, RDAC1, RDAC3 obtain 90 ° of phase phase difference of rectified signal by relative position sensor 100 is simulated；Institute
Stating control signal is constantly to send the value that signal changes RADCi to the register of digital potentiometer with certain frequency.The control
The frequency of signal processed is higher, indicates that simulation train operation must be faster.Change the value of RADCi according to formula (1) to equivalent
The resistance R resistance value of load 400.As long as the value for the RADCi that controller is sent is in 0~DmaxBetween become in a manner of SIN function
Change, then the resistance of equivalent load is also in a manner of sinusoidal in Rmin~Rmin+RABBetween change.Changed by controller
The value of RADCi makes that the resistance of equivalent load 401,402,403,404 is in sinusoidal variations respectively and phase differs 90 ° in order.
Keep the resistance sinusoidal variations peak-peak of all digital potentiometers of equivalent load 400 constant, when minimum peak reduces, as
It simulates hoverheight to reduce, when minimum peak increases, as simulation hoverheight increases.Phase aligns magnetic-levitation train in orbit
The variation of sensor hoverheight is set with reference to Fig. 8.Hoverheight is B01 when in-orbit ideal operation, is highly 10MM.It is in-orbit non-ideal
Hoverheight is B02 when operation, and height change range is 0~20MM.
In further embodiment, controller 500 to digital potentiometer register RADC0, RADC1 of equivalent load 400,
RADC2 and RADC3, which is generated, presses different change in resistance, and the control signal of different timing variations simulates relative position sensor 100
The pitch angle variation occurred when in orbit.Specifically: controller 500 send control signal make four groups of register RDAC0,
RDAC2, RDAC1, RDAC3 successively differ 90 ° of phases in order；On peak value, all digital potentiometers of equivalent load 400 are kept
Resistance sinusoidal variations maximum value it is constant, minimum value is sequentially reduced or increases according to the sequence of RDAC0, RDAC2, RDAC1, RDAC3,
Difference is bigger, and pitch angle is bigger, magnetic-levitation train in orbit when relative position sensor pitch angle variation refer to Fig. 9.It is in-orbit
Pitch angle is C01 when ideal operation, and angle is 0 °.Pitch angle is C02 when in-orbit non-ideal operation, and angle change range is
0~± 10 °.
In further embodiment, controller 500 to digital potentiometer register RADC0, RADC1 of equivalent load 400,
RADC2 and RADC3, which is generated, presses different change in resistance, and the control signal of different timing variations simulates relative position sensor 100
The yaw angle variation occurred when in orbit.Specifically: controller 500 send control signal make four groups of register RDAC0,
RDAC2, RDAC1, RDAC3 successively differ 90 ° of phases in order；On peak value, all digital potentiometers of equivalent load 400 are kept
Resistance sinusoidal variations maximum value it is constant, minimum value meets RDAC0 equal to RDAC1, and RDAC2 is equal to RDAC3, and RDAC0 is not equal to
RDAC2 and difference is bigger, yaw angle is bigger.Magnetic-levitation train in orbit when relative position sensor yaw angle variation with reference to figure
10.Yaw angle is D01 when in-orbit ideal operation, and angle is 0 °.Yaw angle is D02 when in-orbit non-ideal operation, and angle becomes
Changing range is 0~± 10 °.
500 transmission timing of the controller control signal is specifically, controller is required according to speed and precision to equivalent negative
Four groups of digital potentiometer registers transmission of load 400 is identical according to four groups of register base value resistance values of matched, and high speed item
The quick potentiometer of low resolution is selected under part, selects high-resolution digital potentiometer under low-speed conditions.
In further embodiment, the performance detection unit 800 by 100 output voltage signal of relative position sensor into
After row processing compared with preset value, the detection and assessment of 100 performance of relative position sensor and quality are obtained.
Selection function is intact first, should be able to accurately reflect train actual motion speed, position etc. in the process of running
The relative position sensor of information is reference, is placed it in detection device, acquires output signal, after collated, is preset
Value, and as the appraisement system for drafting standard implantation detection device.Then, right by comparative analysis as preset value
Other relative position sensors are determined.
The foundation of preset value is the basis of detection, in order to more effectively detect to relative position sensor, is needed pair
It is pre-formed standard component, preset value is stored, to instruct the formation of examination criteria.Meanwhile each relative position sensor is come
It says, before it is formally equipped, requires experience and detect such a process, to guarantee the quality of relative position sensor.
Referring to Figure 11, a kind of Figure 11 stream of the relative position sensor method for testing performance of magnetic-levitation train provided by the invention
Cheng Tu.
A kind of relative position sensor method for testing performance of magnetic-levitation train, the described method comprises the following steps:
Step S100: controller sends control signal to equivalent load, and equivalent load changes equivalent negative according to control signal
Size is carried, to change the actual loading size in test coil；
Step S200: test coil is arranged in below the detection coil of relative position sensor, in the test coil
Actual loading size variation changes the equivalent reactance of detection coil, and the voltage signal at detection coil both ends changes correspondingly, the phase
The position and speed signal generated to position sensor is sent to performance detection unit；
Step S300: sensor output position and speed signal are handled performance detection unit depending on the relative position, right
The performance and quality of relative position sensor are assessed.
Controller control equivalent load is changed, and equivalent load variation changes the actual loading of test coil, to change
The equivalent reactance for becoming the detection coil of relative position sensor, makes the resonant state of detection coil change, detection coil two
End output voltage changes therewith, and relative position sensor generates corresponding speed and position signal, so as to simulate opposite position
Set the in-orbit virtual condition run at various speeds of sensor.Performance detection unit is by relative position sensor output position and speed
Degree signal is handled, the detection and assessment to the performance and quality of relative position sensor.
The simple precise and high efficiency of this method, can efficiently complete the detection to relative position sensor performance and quality and comment
Estimate.The in-orbit virtual condition run at various speeds of relative position sensor can change equivalent load variation by controller
It realizes, analog goes out virtual condition of the relative position sensor under the operation of various speed.Relative position sensor is in engineering
Metaplasia produce when, it is detected and is assessed by relative position detection device, with guarantee relative position sensor performance and
Quality, to ensure magnetic-levitation train safe operation.
Relative position sensor dynamic property detection device to a kind of magnetic-levitation train provided by the present invention and side above
Method is described in detail.Used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand the core idea of the present invention.It should be pointed out that for the common skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.
Claims (9)
1. a kind of relative position sensor dynamic property detection device of magnetic-levitation train, relative position sensor includes detection line
Circle, which is characterized in that the relative position sensor dynamic property detection device of the magnetic-levitation train includes test coil, equivalent negative
Load, controller and performance detection unit, in which:
The controller sends control signal to equivalent load, and equivalent load changes equivalent load size according to control signal, from
And change the actual loading size in test coil；
The test coil is arranged in below the detection coil of relative position sensor, and the actual loading in the test coil is big
Small variation changes the equivalent reactance of detection coil, and the voltage signal at detection coil both ends changes correspondingly, the relative position sensing
The position and speed signal that device generates is sent to performance detection unit；
The performance detection unit, sensor output position and speed signal are handled depending on the relative position, to relative position
The performance and quality of sensor are assessed.
2. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 1, which is characterized in that
Described device further includes man-machine interaction unit and computer, in which:
The man-machine interaction unit, the control signal for being sent according to controller show equivalent load variation；User can pass through
Man-machine interaction unit input equivalent load variation expectation information is sent to controller, and controller receives equivalent load variation expectation
Information post-processing is sent to equivalent load for control signal；
The computer, the control signal for being sent according to controller show equivalent load variation；User can pass through computer
Input equivalent load variation expectation information is sent to controller, and controller receives equivalent load variation expectation information post-processing and is
Control signal is sent to equivalent load.
3. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 2, which is characterized in that
There are mapping relations spatially in the detection coil of the test coil and the relative position sensor, be four groups of " 8 " words
Coil, every group of coil have at least one conducting wire, and it is corresponding up and down with every group of coil of detection coil spatially to test coil.
4. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 3, which is characterized in that
The controller transmission timing control signal generates cyclic dispersion according to timing control signal equivalent load and becomes to equivalent load
Change, makes the cyclically-varying corresponding with detection coil mutual inductance generation of four groups of test coils, while the voltage amplitude at detection coil both ends
Value and phase generate cyclically-varying, and position and speed signal is sent to performance detection list by the relative position sensor
Member.
5. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 4, which is characterized in that
The equivalent load is four groups of digital potentiometers, is connected respectively with the four sets of coils of test coil.
6. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 5, which is characterized in that
The controller transmission timing control signal presses sustained height specifically, controller sends the register of four groups of digital potentiometers
Four groups of register base value resistance values are identical, different height difference base value, have periodically variable control signal.
7. the relative position sensor dynamic property detection device of magnetic-levitation train according to claim 6, which is characterized in that
The controller transmission timing control signal presses different resistance values specifically, controller sends the register of four groups of digital potentiometers
Variation, the control signal of different timing variations.
8. according to claim 1 to the relative position sensor dynamic property detection device of 7 any one of described magnetic-levitation trains,
Be characterized in that, performance detection unit by relative position sensing output position and speed signal handled after with preset value ratio
Compared with assessing relative position sensor performance and quality.
9. a kind of relative position sensor method for testing performance of magnetic-levitation train, which is characterized in that the method includes following steps
It is rapid:
Step S100: controller sends control signal to equivalent load, and equivalent load is big according to control signal change equivalent load
It is small, to change the actual loading size in test coil；
Step S200: test coil is arranged in below the detection coil of relative position sensor, the reality in the test coil
Payload size variation changes the equivalent reactance of detection coil, and the voltage signal at detection coil both ends changes correspondingly, the opposite position
The position and speed signal for setting sensor generation is sent to performance detection unit；
Step S300: sensor output position and speed signal are handled performance detection unit depending on the relative position, to opposite
The performance and quality of position sensor are assessed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427462.4A CN110081804B (en) | 2019-05-22 | 2019-05-22 | Device and method for detecting dynamic performance of relative position sensor of maglev train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427462.4A CN110081804B (en) | 2019-05-22 | 2019-05-22 | Device and method for detecting dynamic performance of relative position sensor of maglev train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110081804A true CN110081804A (en) | 2019-08-02 |
| CN110081804B CN110081804B (en) | 2021-03-23 |
Family
ID=67421215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910427462.4A Active CN110081804B (en) | 2019-05-22 | 2019-05-22 | Device and method for detecting dynamic performance of relative position sensor of maglev train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081804B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907662A (en) * | 2019-11-29 | 2020-03-24 | 苏州长风航空电子有限公司 | Simulation test system for positioning and speed measuring device of high-speed maglev train |
| CN111638072A (en) * | 2020-06-12 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Maglev train dynamic performance test system |
| CN112810666A (en) * | 2019-11-15 | 2021-05-18 | 比亚迪股份有限公司 | Train positioning speed measuring method, equipment, system, computer equipment and storage medium |
| CN113126591A (en) * | 2020-01-16 | 2021-07-16 | 中车青岛四方机车车辆股份有限公司 | Test method and device for train controller |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5929399A (en) * | 1998-08-19 | 1999-07-27 | Otis Elevator Company | Automatic open loop force gain control of magnetic actuators for elevator active suspension |
| JP2000258449A (en) * | 1999-03-05 | 2000-09-22 | Canon Electronics Inc | Magnetic acceleration sensor and acceleration detecting device |
| CN2506285Y (en) * | 2001-10-30 | 2002-08-21 | 肖祥章 | Alpha wave generator for human medical care |
| JP3491899B2 (en) * | 1994-09-30 | 2004-01-26 | 日本信号株式会社 | Motor rotation stop confirmation device |
| CN201465295U (en) * | 2009-06-26 | 2010-05-12 | 上海宝康电子控制工程有限公司 | Annular coil vehicle simulation system |
| US20110309825A1 (en) * | 2010-06-19 | 2011-12-22 | Jiang xu hua | Simplified Micro-Magnetic Sensor for Acceleration, Position, Tilt, and Vibration |
| CN202183189U (en) * | 2011-04-25 | 2012-04-04 | 吕仁禄 | Self-inductance current direction experiment apparatus |
| EP2482255A1 (en) * | 2011-02-01 | 2012-08-01 | International Currency Technologies Corporation | Coin detector |
| CN105034848A (en) * | 2015-07-07 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Non-contact magnetic-levitation train positioning device and method and magnetic-levitation train |
| CN105301286A (en) * | 2015-09-22 | 2016-02-03 | 中国人民解放军国防科学技术大学 | Detection device, platform and method of location and speed detection sensor for magnetic-levitation trains |
| CN105333810A (en) * | 2015-11-03 | 2016-02-17 | 西南交通大学 | Low-speed magnetic suspension train gap sensor in three-probe time sharing detection |
| CN205245985U (en) * | 2015-11-03 | 2016-05-18 | 西南交通大学 | Twin coil self -diagnosis maglev train that singly pops one's head in suspension air gap measuring device |
| CN105905135A (en) * | 2016-04-20 | 2016-08-31 | 中国人民解放军国防科学技术大学 | Magnetic levitation train positioning and speed measuring system and method and magnetic levitation train |
| CN106645912A (en) * | 2017-01-03 | 2017-05-10 | 中车株洲电力机车有限公司 | Suspension sensor detection system for maglev train |
| CN108344494A (en) * | 2018-01-22 | 2018-07-31 | 浙江大学 | Low frequency electromagnetic shake table movement velocity detection device based on induction coil |
-
2019
- 2019-05-22 CN CN201910427462.4A patent/CN110081804B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3491899B2 (en) * | 1994-09-30 | 2004-01-26 | 日本信号株式会社 | Motor rotation stop confirmation device |
| US5929399A (en) * | 1998-08-19 | 1999-07-27 | Otis Elevator Company | Automatic open loop force gain control of magnetic actuators for elevator active suspension |
| JP2000258449A (en) * | 1999-03-05 | 2000-09-22 | Canon Electronics Inc | Magnetic acceleration sensor and acceleration detecting device |
| CN2506285Y (en) * | 2001-10-30 | 2002-08-21 | 肖祥章 | Alpha wave generator for human medical care |
| CN201465295U (en) * | 2009-06-26 | 2010-05-12 | 上海宝康电子控制工程有限公司 | Annular coil vehicle simulation system |
| US20110309825A1 (en) * | 2010-06-19 | 2011-12-22 | Jiang xu hua | Simplified Micro-Magnetic Sensor for Acceleration, Position, Tilt, and Vibration |
| EP2482255A1 (en) * | 2011-02-01 | 2012-08-01 | International Currency Technologies Corporation | Coin detector |
| CN202183189U (en) * | 2011-04-25 | 2012-04-04 | 吕仁禄 | Self-inductance current direction experiment apparatus |
| CN105034848A (en) * | 2015-07-07 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Non-contact magnetic-levitation train positioning device and method and magnetic-levitation train |
| CN105301286A (en) * | 2015-09-22 | 2016-02-03 | 中国人民解放军国防科学技术大学 | Detection device, platform and method of location and speed detection sensor for magnetic-levitation trains |
| CN105333810A (en) * | 2015-11-03 | 2016-02-17 | 西南交通大学 | Low-speed magnetic suspension train gap sensor in three-probe time sharing detection |
| CN205245985U (en) * | 2015-11-03 | 2016-05-18 | 西南交通大学 | Twin coil self -diagnosis maglev train that singly pops one's head in suspension air gap measuring device |
| CN105905135A (en) * | 2016-04-20 | 2016-08-31 | 中国人民解放军国防科学技术大学 | Magnetic levitation train positioning and speed measuring system and method and magnetic levitation train |
| CN106645912A (en) * | 2017-01-03 | 2017-05-10 | 中车株洲电力机车有限公司 | Suspension sensor detection system for maglev train |
| CN108344494A (en) * | 2018-01-22 | 2018-07-31 | 浙江大学 | Low frequency electromagnetic shake table movement velocity detection device based on induction coil |
Non-Patent Citations (3)
| Title |
|---|
| LIYI LI等: "《Direct and quadrature inductances measurement of the permanent magnetic linear synchronous machines》", 《ENERGY CONVERSION AND MANAGEMENT》 * |
| 薛松等: "《高速磁浮列车绝对定位传感器的工程化设计与实现》", 《铁道学报》 * |
| 龙志强等: "《磁悬浮列车的定位和测速技术研究》", 《国防科技大学学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810666A (en) * | 2019-11-15 | 2021-05-18 | 比亚迪股份有限公司 | Train positioning speed measuring method, equipment, system, computer equipment and storage medium |
| CN112810666B (en) * | 2019-11-15 | 2023-02-10 | 比亚迪股份有限公司 | Train positioning and speed measuring method, equipment, system, computer equipment and storage medium |
| CN110907662A (en) * | 2019-11-29 | 2020-03-24 | 苏州长风航空电子有限公司 | Simulation test system for positioning and speed measuring device of high-speed maglev train |
| CN113126591A (en) * | 2020-01-16 | 2021-07-16 | 中车青岛四方机车车辆股份有限公司 | Test method and device for train controller |
| CN111638072A (en) * | 2020-06-12 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Maglev train dynamic performance test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110081804B (en) | 2021-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110081804A (en) | Device and method for detecting dynamic performance of relative position sensor of maglev train | |
| CN105301286B (en) | A kind of detection device, platform and the method for the positioning-speed-measuring sensor of magnetic-levitation train | |
| CN105252539B (en) | One kind suppresses parallel connection platform vibration control system and method based on acceleration transducer | |
| CN101498615B (en) | Electric road simulating vibration table | |
| CN107799194B (en) | The adjusting of intelligent stick position threshold value and Performance Testing method | |
| CN105486745A (en) | Defect signal high-precision space imaging system and method based on alternating-current electromagnetic field | |
| CN105571648A (en) | Multifunctional robot joint performance test system | |
| CN110907662A (en) | Simulation test system for positioning and speed measuring device of high-speed maglev train | |
| CN104884904A (en) | Detected position correction method for electromagnetic inductance-type position detector | |
| CN105093012B (en) | A kind of lighting detection means and lighting detecting system | |
| CN106840374A (en) | Array scanning noise-measuring system | |
| CN106680713B (en) | The type selecting of motor and its driver compares test and kinematic parameter determines method | |
| CN100494877C (en) | Device for measuring distance between moving object and its railway | |
| CN102818513B (en) | Demodulating device of linear variable differential transformer, and soft demodulating method thereof | |
| CN105549332A (en) | Method for three-degree-of-freedom displacement measurement of workpiece table | |
| CN208376787U (en) | A kind of testing stand of speed-position detection system | |
| CN208902121U (en) | Plumb line coordinator automates caliberating device | |
| CN209727031U (en) | Relative position sensor performance detection device and platform of maglev train | |
| CN109781140A (en) | The cooperation measuring device and method of low frequency inertial sensor calibration system | |
| CN108983701A (en) | Synchronous drive device and driving method | |
| CN211783831U (en) | Whole dropper vibration register for easy reference collection device of high-speed railway contact net | |
| CN205490286U (en) | Servo driver | |
| Golushko et al. | Multi-channel vibration measurement machine | |
| CN202195801U (en) | Online rail locomotive and car pantograph abrasion detecting device | |
| CN205058056U (en) | Restrain parallelly connected platform vibration control system based on acceleration sensor |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |