CN206056652U - A kind of system suitable for identification connection Complexed Prostate Specific Antigen - Google Patents
A kind of system suitable for identification connection Complexed Prostate Specific Antigen Download PDFInfo
- Publication number
- CN206056652U CN206056652U CN201621060232.7U CN201621060232U CN206056652U CN 206056652 U CN206056652 U CN 206056652U CN 201621060232 U CN201621060232 U CN 201621060232U CN 206056652 U CN206056652 U CN 206056652U
- Authority
- CN
- China
- Prior art keywords
- sensor
- acceleration
- faying face
- displacement
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of be applied to identification connection Complexed Prostate Specific Antigen system, hammer into shape including power, the connection data acquisition of power hammer and data handling system, data acquisition and data handling system are connected with faying face structure and sensor construction, faying face structure is connected with vibrator, and vibrator is connected with signal generator；The faying face structure includes the faying face between the first part, the second part and the first part and the second part；The sensor construction includes acceleration transducer group, velocity sensor group, displacement transducer group and force transducer；First part bottom surface both sides is connected with rigid body, rigid body connection acceleration transducer group；The acceleration transducer group includes the acceleration matrix formed no less than 3 acceleration transducers, and acceleration matrix is plane or stereo structure.
Description
Technical field
This utility model is related to joint parameter identification field, particularly a kind of to connect Complexed Prostate Specific Antigen suitable for identification
System, for recognizing faying face rigidity, damping ratio.
Background technology
There is substantial amounts of various contact with each other in the machinery being made up of part, component, part or frame for movement
Surface is faying face, and the 90% of the middle damping of system derives from faying face.In machine static rigidity, 30%～50% is decided by combine
The stiffness characteristics in portion, the vibration problem occurred on lathe have more than 60% to be derived from joint portion, and wherein faying face belongs to " flexible group
Close ", by energy but also consumed energy had not only been stored during dynamic load effect, demonstrate flexibility and damping, i.e., contact stiffness with contact resistance
Buddhist nun.Rigidity, damping many structures and system design, the static and dynamic performance of frame for movement and whole machine combination property seem to pass
Important, faying face damping has important effect in reducing amplitude of vibration, control response, improving structure fatigue life.
Due to the non-linear of the joint portion mechanism of action, the multiformity of factor to affect, the overwhelming majority are based on experimental study, or Theory Solution
Analysis research, do not account between each viscoelastic unit and each coordinate of viscoelastic unit between coupled relation, or parameter identification
The mechanical attribute and physical attribute of faying face itself are not accounted for, or is only adapted to certain specific faying face, and actually made yet
With with larger distance.
The deficiency of conventional faying face identifying system and structure
There is scholar to propose a kind of joint parameter identification method that transfer function analysis are combined with Modal Test, tool in the past
There is accuracy of identification not high, and be difficult to actually used.Also the joint portion that scholar has canonic form to lathe carries out economics analysis,
Although precision is higher it can be difficult to general.
The characteristics of joint parameter identification system and requirement
In actual use, it is desirable to joint parameter identification system under conditions of service precision is met, Neng Gouguang
General use.Due to the various informative of faying face and there is each structure of mechanical system, size and shape is respectively provided with strict limit
System is required.
Utility model content
To solve the above problems, this utility model provides a kind of system suitable for identification connection Complexed Prostate Specific Antigen.This
The parameter identification test system of utility model is capable of the various types of properties faying face of test mechanical structure, including fixed combinating surface is (such as
Welding), movable faying face (threaded connection), relative motion faying face (as slided, rotation)；Covering scope is wide；This utility model
Relation and its dynamic (dynamical) seriality between the viscoelastic unit of each connection are also contemplated, and considers the mechanics of of faying face itself
Attribute and physical attribute, such as faying face size, select the deformation replaced with reference to cake to monitor transducer arrangements, and measurement is accurate；
Multiple dimensioned multi-level test structure and bearing calibration are adopted finally so as to which computational efficiency can reach engineering with monitoring accuracy
Application requirement.
To reach above-mentioned technique effect, the technical solution of the utility model is：
A kind of system suitable for identification connection Complexed Prostate Specific Antigen, including power hammer, at the connection data acquisition of power hammer and data
Reason system, data acquisition and data handling system are connected with faying face structure and sensor construction, and faying face structure is connected with sharp
Shake device, and vibrator is connected with signal generator；The faying face structure includes the first part, the second part and the first part and
Faying face between two parts；The sensor construction includes acceleration transducer group, velocity sensor group, displacement transducer group
And force transducer；First part bottom surface both sides is connected with rigid body, rigid body connection acceleration transducer group；The acceleration transducer
Group includes the acceleration matrix formed no less than 3 acceleration transducers, and acceleration matrix is plane or stereo structure；One zero
Avris at the top of part is connected with First Speed sensor；Side at the top of first part is connected with the first displacement transducer, and first
Opposite side at the top of part is connected with second displacement sensor, and the first displacement transducer and second displacement sensor are symmetrical arranged；
The side of the second feature bottom is connected with second speed sensor, and opposite side is connected with third speed sensor；Second part bottom
The middle part connection force sensor in portion；The velocity sensor group includes First Speed sensor, second speed sensor and
Three velocity sensors；Displacement transducer group includes the first displacement transducer and second displacement sensor.
Further to improve, the power hammer connects data acquisition and data handling system, number by the first charge amplifier
Sensor construction is connected by the second charge amplifier according to collection and data handling system.
Further to improve, the vibrator connects signal generator by power amplifier.
Further to improve, the acceleration transducer group is the acceleration matrix of 7 acceleration transducer compositions.
A kind of method suitable for identification connection Complexed Prostate Specific Antigen, comprises the steps：
For single-mode system, calculation procedure is as follows：
Step one) set up the kinetic model of the first part-faying face-the second part：
Speed is：
Wherein, xiRepresent the transposed matrix of i parts；Represent i member velocities；t1Express time starting point；t2Express time
End point；I represents corresponding part or with reference to areal acceleration is：
Wherein,Represent the acceleration of i parts；
Torque battle array is：
Wherein, FiRepresent the torque battle array of i parts；MiRepresent the quality of i parts；CiRepresent the damping ratio of i parts；KiRepresent i
The stiffness matrix of part；
The kinetics equation of the combinative structure containing faying face structure is：
Wherein, 1 the first part is represented, 2 represent faying face；3 represent the second part；
The quality for ignoring faying face can then be obtained:
The stress matrix of faying face is as follows:
Wherein
σ represents faying face stress matrix, F2The surface pressure of faying face is represented, A represents the area of faying face；E represents unit
Matrix, C2Represent the damping matrix of faying face；Represent the rate matrices of faying face；
The surface pressure F of faying face2For：
[C2[K2]+[K2]]{x2}={ F2}； (7)
Faying face stiffness K is obtained according to formula 5-72, with damping ratio C2。
It is further to improve, for many-degrees of freedom system, on the basis of single-mode system computational methods, calculation procedure
It is as follows：Dynamic stiffness Z (ω) of faying face is：
Wherein F represents the torque battle array of faying face；X represents the transposed matrix of faying face；
Displacement frequency response function H (ω) is：
Have with reference to formula 7 and 8：
H (ω) Z (ω)=1 (10)
Then multivariant kinetics equation is：
(-ω2M+ ω C+K) H (ω)=1 (11)
Wherein, ω represents the frequency of vibration of faying face；M represents mass matrix；C represents the damping ratio of faying face；K represents knot
The stiffness matrix in conjunction face.
Parameter identification test system of the present utility model is capable of the various types of properties faying face of test mechanical structure, including fixation
Faying face (as welded), movable faying face (threaded connection), relative motion faying face (as slided, rotation)；Covering scope is wide；This
Utility model also contemplates relation and its dynamic (dynamical) seriality between the viscoelastic unit of each connection, and considers the sheet of faying face
The mechanical attribute and physical attribute of body, such as faying face size, select the deformation replaced with reference to cake to monitor transducer arrangements, survey
Amount is accurate；Multiple dimensioned multi-level test structure and bearing calibration are adopted finally so as to which computational efficiency can with monitoring accuracy
Reach engineer applied requirement.
Description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of this utility model faying face structure；
Fig. 3 is the structural representation of acceleration transducer group；
Fig. 4 is the flow chart of data processing of data acquisition and data handling system；
Wherein, 1～14 is acceleration transducer, and 15 is second speed sensor, and 16 is force transducer, and 17 is third speed
Sensor, 18 is the first displacement transducer, 19 is second displacement sensor；20 is First Speed sensor, and 21 is rigid body；22 are
Power is hammered into shape；23 is data acquisition and data handling system；24 is vibrator；25 is the first part；26 is the second part；27 is combination
Face；28 is signal generator；29 is the first charge amplifier；30 is the second charge amplifier；31 is power amplifier.
Specific embodiment
Below by way of specific embodiment and combine accompanying drawing the technical solution of the utility model is illustrated.
Embodiment 1
A kind of system suitable for identification connection Complexed Prostate Specific Antigen as Figure 1-3, including power hammer 22, power hammer 22 connect
Data acquisition and data handling system 23, data acquisition and data handling system 23 are connected with faying face structure and sensor knot
Structure, faying face structure are connected with vibrator 24, and vibrator 24 is connected with signal generator 28；The faying face structure includes first
Part 25, the second part 26 and the faying face between the first part and the second part 27；The sensor construction includes acceleration
Sensor group, velocity sensor group, displacement transducer group and force transducer.
First part, 25 bottom surface both sides are connected with rigid body 21, the connection acceleration transducer group of rigid body 21；The acceleration is passed
Sensor group includes the acceleration matrix formed no less than 3 acceleration transducers, preferably 7, as shown in figure 3, No. 1-7 acceleration
Degree sensor group is into the first acceleration transducer group；8-14 acceleration transducers constitute the second acceleration transducer group.Accelerate
Degree matrix is plane or stereo structure.
Avris at the top of first part 25 is connected with First Speed sensor 20；Side at the top of first part 25 is connected with
First displacement transducer 18, the opposite side at the top of the first part are connected with second displacement sensor 19, the first displacement transducer 18
It is symmetrical arranged with second displacement sensor 19；The side of 26 bottom of the second part is connected with second speed sensor 15, opposite side
It is connected with third speed sensor 17；The middle part connection force sensor 16 of 26 bottom of the second part；The velocity sensor group
Including First Speed sensor, second speed sensor and third speed sensor；Displacement transducer group includes that the first displacement is passed
Sensor and second displacement sensor.
When this patent is used, first hammer the method for testing for tapping or encouraging using steady-state sine using power into shape, measure parameters
Afterwards, the rigidity and damping ratio in calculations incorporated face；Then vibrator is being opened, is measuring parameters again and wait, calculations incorporated face
Rigidity and damping ratio.The result calculated after two methods are measured carry out averagely with fitting by so that the result for obtaining is more smart
Really.
When the bottom surface of the first part deforms upon, its deformation is consistent with faying face, now drives rigid motion, rigid body
The accelerated degree sensor group of kinestate is found out, and as rate matrices are plane or stereo structure, therefore can measure rigid motion
Stereo-motion parameter, obtain faying face bulk deformation, improve computational accuracy.
Power hammer connects data acquisition and data handling system, data acquisition and data processing by the first charge amplifier 29
System connects sensor construction by the second charge amplifier 30.
Vibrator connects signal generator by power amplifier 31.
Realize example 2：
When power hammer the first part of hammering, in the middle of pressure transducer detection pressure input data acquisition system, displacement is passed
Sensor 18,19 obtains the displacement of the first piece surfaceAcceleration transducer 20 is detected
ObtainData collecting system can carry out derivation according to formula (1) and (2) or integration obtains acceleration,
Speed and displacement, row interpolation of going forward side by side fitting so as to match with the pressure of pressure transducer detection, according to formulaI.e.
(power F is mass M and accelerationProduct) or F=KX (i.e. power F is the product of stiffness K and deformation quantity), obtain F1, X1,Velocity sensor 17,15 obtains the acceleration of the second part, speed, displacement, and the data of collection are carried out averagely,
Noise is removed, F is obtained3, X3,Acceleration transducer 1-14 acquisition faying face X, Y, Z-direction acceleration, speed, displacement,
And it is combined into 14 connection stiffness matrixes, and part 1,2 quality, rigidity, damping matrix can be obtained according to finite element theory,
Can obtain according to formula (7) and combine surface pressure, faying face stiffness K can be obtained according to formula (5)-(7)2, damp C2.Its
Computational accuracy with 1 upper surface of part, 2 lower surface number of sensors of part, and faying face placement sensor number increase and
Increase, but quantity increase can cause to calculate volume index increase, experiment shows sensor and quantity arrange it is most to specifications
Excellent.Its quantity and arrangement form can be according to faying face and part form differences.
Power hammer hammering the first part when, data collecting system obtain response with pumping signal through data handling system (such as
After process Fig. 4), it is possible to obtain the acceleration that formula (4) needs, speed, displacement, torque battle array, and the first part and the 2nd 0
The quality of part, rigidity, damping matrix can be obtained by finite element theory, it is possible to by calculating the damping for obtaining faying face,
Stiffness matrix.Fig. 4 faying face monitoring systems are obtained in that accurate acceleration, speed, displacement parameter.Again by formula (1)-
(3) acquisition can be calculated and combines surface pressure.
Realize example 3：
For many-degrees of freedom system, mode experiment being carried out in hammering method, being encouraged in j degree of freedom, force vector is in frequency domain
On can be expressed as：
H (ω)=[0,0 ..., fi(ω),0,…,0]T
Substituting into formula (11) has:
(-ω2M+jωC+K)[h1i(ω), h2i(ω) ..., hni(ω)]
=[0,0 ..., 1,0 ..., 0]T
The M of minor structure, C, K can be obtained by finite element theory, and faying face ignores its mass matrix, natural frequency ω and
Frequency response function can be obtained by modal test, can be passed through formula (11) and be calculated the firm of acquisition Complexed Prostate Specific Antigen, i.e. faying face
Degree and damping ratio.
Above are only one of the present utility model it is concrete be oriented to embodiment, but design concept of the present utility model not office
It is limited to this, all changes for carrying out unsubstantiality using this design to this utility model all should belong to infringement guarantor of the present utility model
The behavior of shield scope.
Claims (4)
1. it is a kind of suitable for recognizing the system for connecting Complexed Prostate Specific Antigen, it is characterised in that to hammer into shape including power, power hammer connection data acquisition
And data handling system, data acquisition and data handling system are connected with faying face structure and sensor construction, faying face structure
Vibrator is connected with, vibrator is connected with signal generator；The faying face structure includes the first part, the second part and first
Faying face between part and the second part；The sensor construction includes acceleration transducer group, velocity sensor group, displacement
Sensor group and force transducer；First part bottom surface both sides is connected with rigid body, rigid body connection acceleration transducer group；The acceleration
Degree sensor group includes the acceleration matrix formed no less than 3 acceleration transducers, and acceleration matrix is plane or three-dimensional
Shape；Avris at the top of first part is connected with First Speed sensor；Side at the top of first part is connected with the first displacement biography
Sensor, the opposite side at the top of the first part are connected with second displacement sensor, the first displacement transducer and second displacement sensor
It is symmetrical arranged；The side of the second feature bottom is connected with second speed sensor, and opposite side is connected with third speed sensor；The
The middle part connection force sensor of two feature bottoms；The velocity sensor group includes that First Speed sensor, second speed are passed
Sensor and third speed sensor；Displacement transducer group includes the first displacement transducer and second displacement sensor.
2. it is as claimed in claim 1 to be applied to the system that identification connects Complexed Prostate Specific Antigen, it is characterised in that the power hammer passes through
First charge amplifier connects data acquisition and data handling system, and data acquisition and data handling system are put by the second electric charge
Big device connection sensor construction.
3. it is as claimed in claim 1 to be applied to the system that identification connects Complexed Prostate Specific Antigen, it is characterised in that the vibrator leads to
Overpower amplifier connects signal generator.
4. it is as claimed in claim 1 to be applied to the system that identification connects Complexed Prostate Specific Antigen, it is characterised in that the acceleration is passed
Sensor group is the acceleration matrix of 7 acceleration transducer compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060232.7U CN206056652U (en) | 2016-09-18 | 2016-09-18 | A kind of system suitable for identification connection Complexed Prostate Specific Antigen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060232.7U CN206056652U (en) | 2016-09-18 | 2016-09-18 | A kind of system suitable for identification connection Complexed Prostate Specific Antigen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056652U true CN206056652U (en) | 2017-03-29 |
Family
ID=58371440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621060232.7U Expired - Fee Related CN206056652U (en) | 2016-09-18 | 2016-09-18 | A kind of system suitable for identification connection Complexed Prostate Specific Antigen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206056652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197564A (en) * | 2016-09-18 | 2016-12-07 | 湖南工学院 | A kind of being applicable to identifies the method and system connecting Complexed Prostate Specific Antigen |
| CN106918438A (en) * | 2017-03-31 | 2017-07-04 | 中国空气动力研究与发展中心高速空气动力研究所 | The measuring method and system of a kind of multi -components power and torque |
| CN111177952A (en) * | 2020-03-05 | 2020-05-19 | 沈阳理工大学 | Concrete foundation-soil contact surface rigidity and damping parameter identification device and method |
-
2016
- 2016-09-18 CN CN201621060232.7U patent/CN206056652U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197564A (en) * | 2016-09-18 | 2016-12-07 | 湖南工学院 | A kind of being applicable to identifies the method and system connecting Complexed Prostate Specific Antigen |
| CN106197564B (en) * | 2016-09-18 | 2019-05-14 | 湖南工学院 | A kind of method and system suitable for identifying connection Complexed Prostate Specific Antigen |
| CN106918438A (en) * | 2017-03-31 | 2017-07-04 | 中国空气动力研究与发展中心高速空气动力研究所 | The measuring method and system of a kind of multi -components power and torque |
| CN106918438B (en) * | 2017-03-31 | 2019-08-16 | 中国空气动力研究与发展中心高速空气动力研究所 | The measurement method and system of a kind of multi -components power and torque |
| CN111177952A (en) * | 2020-03-05 | 2020-05-19 | 沈阳理工大学 | Concrete foundation-soil contact surface rigidity and damping parameter identification device and method |
| CN111177952B (en) * | 2020-03-05 | 2023-09-19 | 沈阳理工大学 | Device and method for identifying rigidity and damping parameters of concrete foundation-soil contact surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106960068B (en) | Rapid modal damping ratio calculation method based on pulse excitation response frequency spectrum | |
| CN106197564B (en) | A kind of method and system suitable for identifying connection Complexed Prostate Specific Antigen | |
| CN206056652U (en) | A kind of system suitable for identification connection Complexed Prostate Specific Antigen | |
| CN101900620B (en) | Method for identifying variable boundary cable force of medium or long cable | |
| CN105241630A (en) | Pulse type rod strain balance applied to shock tunnel dynamometric test | |
| Bo et al. | Distinct element method analysis and field experiment of soil resistance applied on the subsoiler | |
| CN103125204A (en) | Grain mass measurement device and measurement method of combine harvester | |
| CN207263413U (en) | Half active two is locomotive suspension vibration control experiment platform | |
| CN109885976B (en) | Inversion reconstruction method and system for displacement field of rotating blade | |
| CN105115690A (en) | Test device and test method for testing multidirectional impedance matrix and rigidity of vibration isolator | |
| CN109299539A (en) | A method of utilizing curvilinear corner index evaluation cantilever beam rigidity weak link | |
| Hu et al. | Vibration Control of Smart Structure Using Sliding Mode Control with Observer. | |
| Hu et al. | A flow sensing method of power spectrum based on piezoelectric effect and vortex-induced vibrations | |
| CN106768767A (en) | A kind of measuring system and measuring method of the bearing block characterisitic parameter based on frequency response function | |
| CN102252792A (en) | Absolute axial force test method of bar | |
| CN102680214B (en) | Vibration isolation performance test device and method for corrugated pipe | |
| Gu et al. | Absolute quasi-static calibration method of piezoelectric high-pressure sensor based on force sensor | |
| CN102768493B (en) | Intelligent vibration control device of ocean platform | |
| KR100997810B1 (en) | Structural damage detection using a vibratory power | |
| CN102914426A (en) | Device and method for testing vibration isolation performance of bellows | |
| CN105975673A (en) | Nonlinear dynamical parameter identification method of vibration type energy collector | |
| CN202547906U (en) | Vibration isolation performance testing device for corrugated pipe | |
| CN102435225A (en) | Memory alloy data-acquiring measurement apparatus | |
| CN108318199B (en) | Device and method for testing normal basic characteristic parameters of mechanical joint surface | |
| CN105866473A (en) | Motor vibration acceleration measurement method and apparatus thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190918 |