CN106503307B - The synchronizing characteristics analysis method and device of the vibrational system of Double -motor excitation driving - Google Patents
The synchronizing characteristics analysis method and device of the vibrational system of Double -motor excitation driving Download PDFInfo
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- CN106503307B CN106503307B CN201610874648.0A CN201610874648A CN106503307B CN 106503307 B CN106503307 B CN 106503307B CN 201610874648 A CN201610874648 A CN 201610874648A CN 106503307 B CN106503307 B CN 106503307B
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Abstract
The present invention relates to the synchronizing characteristics analysis methods and device of a kind of vibrational system of Double -motor excitation driving, wherein, the method includes the asymmetric hysteresis resilience models that the interaction relationship between the relationship of stress and strain and the vibrating body and soil of Double -motor excitation driving according to soil establishes soil；The kinetic model of the soil compression vibrational system of the Double -motor excitation driving is established according to the vibrational system mechanical model of the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction driving pre-established；The characteristic that operates synchronously for the vibrational system that the Double -motor excitation drives is analyzed according to the kinetic model of the soil compression vibrational system of Double -motor excitation driving.Kinetic model provided by the invention and actual vibration compacting operating condition are more coincide, thus the accuracy of the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving can be improved, and can provide basis for subsequent further research.
Description
Technical field
The vibrational system driven the present invention relates to vibrating machine field of engineering technology more particularly to a kind of Double -motor excitation
Synchronizing characteristics analysis method and device.
Background technique
Vibrating compacting is a kind of construction method being now widely used in road engineering and civil engineering, vibrating compacting system
System is to complete this most important equipment of construction working, it is passed to vibrational energy in the form of wave by firming using vibrating body
Body reduces the resistance of deformation of the soil body, increases its mobility, improves compaction and efficiency of compaction.
For the Vibrating Compacting System of more shock electric machines driving during compacting soil, the soil body can generate flexible deformation and larger
Plastic deformation, the soil body is due to only generating plastic deformation on direction vertically downward, so restoring force of the soil body to vibrating body
With its be displaced between the hysteretic loop that is formed be asymmetric.It is this usually shown in curves of stress-strain relationship it is not right
The characteristic of title is called asymmetrical hysteresis.When this asymmetrical hysteresis has a significant impact to the vibratory response of system, palpus
Guarantee that operating synchronously for more shock electric machines is just able to achieve system and moves synchronously stability, and then guarantees the workability of vibrating machine
Energy.
The asymmetric hysteresis of compacted fill ground and the soil body that vibrating compacting soil generates belongs to nonlinear characteristic, however existing
Vibrating Compacting System service performance analysis and research in only account for non-linear factor caused by compacting soil, and do not consider more
The influence for operating synchronously characteristic of shock electric machine, this differs greatly with actual conditions, and the operating for affecting Vibrating Compacting System is special
Property analysis accuracy rate.
Summary of the invention
For existing Vibrating Compacting System service performance analysis and research in do not consider operating synchronously for more shock electric machines
The defect of characteristic, the following technical solutions are proposed by the present invention:
A kind of synchronizing characteristics analysis method of the vibrational system of Double -motor excitation driving, which comprises
According to mutual between the vibrating body and soil in the relationship of the stress and strain of soil and the vibrational system
Interactively establishes the asymmetric hysteresis resilience model of soil；
According to the asymmetric hysteresis resilience model and the vibration of the revolution Double -motor excitation in the same direction driving pre-established
The kinetic model of the soil compression vibrational system of Double -motor excitation driving described in dynamic mechanics of system model foundation；
According to the kinetic model of the soil compression vibrational system of Double -motor excitation driving to the Double -motor excitation
The characteristic that operates synchronously of the vibrational system of driving is analyzed.
Optionally, the relationship of the stress and strain according to soil and vibrating body and soil in the vibrational system
Between interaction relationship establish the asymmetric hysteresis resilience model of soil, comprising:
Institute is established according to the linear elastic stiffness of soil, the displacement of vibrational system, linear restoring power and nonlinear restoring force
State asymmetric hysteresis resilience model.
Optionally, described electric according to the asymmetric hysteresis resilience model and the revolution bidifly in the same direction vibration pre-established
The vibrational system mechanical model of machine driving establishes the kinetic model of the soil compression vibrational system of the Double -motor excitation driving,
Include:
According to the first mass of the first shock electric machine in the vibrational system, first shock electric machine in vertical direction
First displacement, First Speed and the second shock electric machine in the first acceleration and the vibrational system the second mass, institute
It states the second shock electric machine and establishes the Double -motor excitation driving in the second displacement of vertical direction, second speed and the second acceleration
Soil compression vibrational system kinetic model.
Optionally, the vibrational system includes vibrating body；
Correspondingly, first mass according to the first shock electric machine in the vibrational system, first exciting electricity
Second shock electric machine of the machine in the first displacement of vertical direction, First Speed and the first acceleration and the vibrational system
Second mass, second shock electric machine are established described double in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of the soil compression vibrational system of shock electric machine driving, further includes:
According to the quality of the vibrating body, the quality of the first eccentric block of first shock electric machine and second exciting
The first radius around the revolution axle center of the Double -motor excitation of the quality of second eccentric block of motor, first eccentric block, institute
The second eccentric block is stated around the second radius of the revolution axle center of the Double -motor excitation, the first eccentric block of the Double -motor excitation
The first jiao of speed of first angular displacement and the second angular displacement of the second eccentric block, first eccentric block on corresponding direction of rotation
Degree and the second angular speed and the second angular acceleration of the first angular acceleration and second eccentric block on corresponding direction of rotation
Establish the kinetic model of the soil compression vibrational system of the Double -motor excitation driving.
Optionally, the kinetic model of the soil compression vibrational system according to Double -motor excitation driving is to described
Double -motor excitation driving vibrational system operate synchronously characteristic carry out analysis include:
The parameters of the kinetic model of the soil compression vibrational system of the Double -motor excitation driving are set, with basis
The characteristic that operates synchronously for the vibrational system that the parameter drives the Double -motor excitation is analyzed.
A kind of synchronizing characteristics analytical equipment of the vibrational system of Double -motor excitation driving, comprising:
Resilience model establishes unit, in the relationship and the vibrational system according to the stress and strain of soil
Interaction relationship between vibrating body and soil establishes the asymmetric hysteresis resilience model of soil；
Kinetic model establishes unit, for according to the asymmetric hysteresis resilience model and pre-establishing in the same direction
The vibrational system mechanical model of revolution Double -motor excitation driving establishes the soil compression vibrational system of the Double -motor excitation driving
Kinetic model；
Service performance analytical unit, the dynamics of the soil compression vibrational system for being driven according to the Double -motor excitation
The characteristic that operates synchronously for the vibrational system that model drives the Double -motor excitation is analyzed.
Optionally, the resilience model is established unit and is further used for according to the linear elastic stiffness of soil, vibrational system
Displacement, linear restoring power and nonlinear restoring force establish the asymmetric hysteresis resilience model.
Optionally, the kinetic model is established unit and is further used for according to the first exciting electricity in the vibrational system
First mass of machine, first shock electric machine are in the first displacement, First Speed and the first acceleration of vertical direction and institute
State the second mass of the second shock electric machine in vibrational system, second shock electric machine vertical direction second displacement,
Two speed and the second acceleration establish the kinetic model of the soil compression vibrational system of the Double -motor excitation driving.
Optionally, the vibrational system includes vibrating body；
Correspondingly, the kinetic model establishes unit and is further used for the quality according to the vibrating body, described first
The quality of second eccentric block of the quality of the first eccentric block of shock electric machine and second shock electric machine, first eccentric block
Around the first radius of the revolution axle center of the Double -motor excitation, second eccentric block around the Double -motor excitation revolution axle center
The second radius, the Double -motor excitation the first eccentric block the first angular displacement and the second eccentric block the second angular displacement,
First angular speed and first angular acceleration and second eccentric block of first eccentric block on corresponding direction of rotation exist
The second angular speed and the second angular acceleration on corresponding direction of rotation establish the soil compression vibration of the Double -motor excitation driving
The kinetic model of system.
Optionally, the service performance analytical unit is further used for setting the soil compression of the Double -motor excitation driving
The parameters of the kinetic model of vibrational system, with the vibrational system that is driven according to the parameter to the Double -motor excitation
Characteristic is operated synchronously to be analyzed.
The synchronizing characteristics analysis method and device of the vibrational system of Double -motor excitation driving of the invention, by according to soil
The relationship of stress and strain and the vibrating body and soil in the vibrational system between interaction relationship establish soil
Asymmetric hysteresis resilience model, and according to the asymmetric hysteresis resilience model and the revolution pair in the same direction pre-established
The mechanical model of shock electric machine driving vibrational system establishes the power of the soil compression vibrational system of the Double -motor excitation driving
Model is learned, with the kinetic model of the soil compression vibrational system driven according to the Double -motor excitation to the Double -motor excitation
The characteristic that operates synchronously of the vibrational system of driving is analyzed, since the kinetic model and actual vibration of offer are compacted operating condition more
Add accuracy identical, thus that the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving can be improved, can be subsequent into one
Step research provides basis.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the stream of the synchronizing characteristics analysis method for the vibrational system that the Double -motor excitation of one embodiment of the invention drives
Journey schematic diagram；
Fig. 2 is the asymmetric hysteresis resilience model schematic diagram of the soil of one embodiment of the invention；
Fig. 3 is the mechanical model schematic diagram of the Vibrating Compacting System of one embodiment of the invention；
Fig. 4 is the knot of the synchronizing characteristics analytical equipment for the vibrational system that the Double -motor excitation of one embodiment of the invention drives
Structure schematic diagram；
The revolving speed schematic diagram of Fig. 5 is the initial phase difference of one embodiment of the invention when being 0.1rad Double -motor excitation；
Fig. 6 is the initial phase difference of one embodiment of the invention Double -motor excitation rotational speed difference schematic diagram when being 0.1rad；
Fig. 7 is the initial phase difference of one embodiment of the invention Double -motor excitation phase difference schematic diagram when being 0.1rad；
The revolving speed schematic diagram of Fig. 8 is the first rotational speed difference of one embodiment of the invention when being 1.5rad/s Double -motor excitation；
The rotational speed difference schematic diagram of Fig. 9 is the first rotational speed difference of one embodiment of the invention when being 1.5rad/s Double -motor excitation；
The phase difference schematic diagram of Figure 10 is the first rotational speed difference of one embodiment of the invention when being 1.5rad/s Double -motor excitation.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is the stream of the synchronizing characteristics analysis method for the vibrational system that the Double -motor excitation of one embodiment of the invention drives
Journey schematic diagram；As shown in Figure 1, this method comprises:
S1: according to the phase between the vibrating body and soil in the relationship of the stress and strain of soil and the vibrational system
Interaction relationship establishes the asymmetric hysteresis resilience model of soil；
S2: it is driven according to the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction pre-established
Vibrational system mechanical model establishes the kinetic model of the soil compression vibrational system of the Double -motor excitation driving；
S3: it is shaken according to the kinetic model of the soil compression vibrational system of Double -motor excitation driving to the bidifly electric
The characteristic that operates synchronously of the vibrational system of machine driving is analyzed.
The synchronizing characteristics analysis method of the vibrational system of the Double -motor excitation driving of the present embodiment, passes through answering according to soil
Interaction relationship between the relationship of power and strain and the vibrating body and soil in the vibrational system establishes soil not
Symmetrical hysteresis resilience model, and shaken according to the asymmetric hysteresis resilience model and the revolution bidifly in the same direction pre-established
Motor-driven vibrational system mechanical model establishes the kinetic simulation of the soil compression vibrational system of the Double -motor excitation driving
Type drives the Double -motor excitation with the kinetic model of the soil compression vibrational system driven according to the Double -motor excitation
The characteristic that operates synchronously of vibrational system analyzed, more kissed since the kinetic model and actual vibration of offer are compacted operating condition
It closes, thus the accuracy of the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving can be improved, can further be ground to be subsequent
Offer basis is provided.
As the preferred of the present embodiment, step S1 may include:
S11: it is built according to the linear elastic stiffness of soil, the displacement of vibrational system, linear restoring power and nonlinear restoring force
Found the asymmetric hysteresis resilience model.
Specifically, Fig. 2 shows the asymmetric hysteresis resilience models of the soil of one embodiment of the invention, such as Fig. 2 institute
Show, really according to interaction between the relationship of soil stress and strain and machine soil (can be indicated using soft nonlinear characteristic)
Shown in fixed asymmetry hysteresis resilience model such as following formula (1):
Wherein, k is the linear elastic stiffness of soil, and y is the displacement of vibrational system, and ky indicates linear restoring power item, and ε is soil
Nonlinear factor (for the number less than 1), ε ky3Indicate nonlinear resilience item.
Further, as the preferred of the present embodiment, step S2 can also include:
S21: according to the first mass of the first shock electric machine in the vibrational system, first shock electric machine vertical
Direction first displacement, First Speed and the second shock electric machine in the first acceleration and the vibrational system the second matter
Amount, second shock electric machine establish the bidifly vibration electricity in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of the soil compression vibrational system of machine driving.
On this basis, as the preferred of above-described embodiment, the vibrational system includes vibrating body；
Correspondingly, step S21 can also include:
S211: according to the quality of the vibrating body, the quality of the first eccentric block of first shock electric machine and described
The quality of second eccentric block of two shock electric machines, first eccentric block around the Double -motor excitation revolution axle center the first half
Diameter, second eccentric block around the second radius of the revolution axle center of the Double -motor excitation, the Double -motor excitation first partially
First angular displacement of heart block and the second angular displacement, first eccentric block of the second eccentric block on corresponding direction of rotation
The second angular speed and second jiao of one angular speed and the first angular acceleration and second eccentric block on corresponding direction of rotation
Acceleration establishes the kinetic model of the soil compression vibrational system of the Double -motor excitation driving.
Specifically, Fig. 3 shows the mechanical model of the Vibrating Compacting System of one embodiment of the invention, as shown in figure 3, root
According to the Practical Project problem of compacting soil, the mechanical model of soil compression vibrational system is established.The Double -motor excitation driving
Vibrational system during compacting soil, only generate vertical direction exciting force, oxy be non-linear vibrating system coordinate system, O
For the midpoint of Double -motor excitation revolution axle center line, o1, o2 are Double -motor excitation revolution axle center, the Double -motor excitation driving
Shown in the kinetic model of soil compression vibrational system such as following formula (2):
Wherein, the displacement of the vertical direction of plastid 1 is y1, speedAnd accelerationThe displacement of the vertical direction of plastid 2
For y2, speedAnd accelerationThe quality of double mass is respectively m1And m2Two parts form, wherein plastid m2Quality include
The quality of the quality of vibrating body and two eccentric blocks, the quality of two eccentric blocks are respectively m01And m02, eccentric block is around rotating shaft
The radius r of the heart1And r2.The angular displacement φ of shock electric machine eccentric block in vibrational system1、φ2, the angle speed of eccentric block respective direction
DegreeThe angular acceleration of eccentric block respective directionThe linear damping at the place of plastid 1 is c1, plastid 1 and plastid 2
Linear rigidity be k1, soil acts on the damping c on vibrating body2, the linear hysteresis restoring force of soil is f (y2), Double -motor excitation
On the gyrodaming of eccentric block be respectively c01, c02And the electromagnetic torque of Double -motor excitation is respectively Tm1, Tm2, bidifly vibration electricity
The load torque of machine is respectively Tf1, Tf2。
Optionally, the kinetic model of the soil compression vibrational system according to Double -motor excitation driving is to described
Double -motor excitation driving vibrational system operate synchronously characteristic carry out analysis include:
The parameters of the kinetic model of the soil compression vibrational system of the Double -motor excitation driving are set, with basis
The characteristic that operates synchronously for the vibrational system that the parameter drives the Double -motor excitation is analyzed.
Wherein, the shock electric machine variance rate may include motor initial speed difference and initial phase difference.
On this basis, can according to the parameter, and consider shock electric machine variance rate (i.e. motor initial speed is poor
Different, initial phase difference) rotational speed difference and phase difference are influenced in the case where, to the vibrational system of Double -motor excitation driving
Characteristic is operated synchronously to be analyzed.
Fig. 4 is the knot of the synchronizing characteristics analytical equipment for the vibrational system that the Double -motor excitation of one embodiment of the invention drives
Structure schematic diagram；As shown in figure 4, described device includes:
Resilience model establishes unit 10, in the relationship and the vibrational system according to the stress and strain of soil
Vibrating body and soil between interaction relationship establish the asymmetric hysteresis resilience model of soil；
Kinetic model establishes unit 20, for according to the asymmetric hysteresis resilience model and pre-establishing same
The vibrational system mechanical model driven to revolution Double -motor excitation establishes the soil compression vibration system that the Double -motor excitation drives
The kinetic model of system；
Service performance analytical unit 30, the power of the soil compression vibrational system for being driven according to the Double -motor excitation
Model is learned to analyze the characteristic that operates synchronously for the vibrational system that the Double -motor excitation drives.
Device described in the present embodiment can be used for executing above method embodiment, and principle is similar with technical effect, this
Place repeats no more.
As the preferred of the present embodiment, resilience model, which establishes unit 10, can be further used for according to soil linear elasticity
Rigidity, the displacement of vibrational system, linear restoring power and nonlinear restoring force establish the asymmetric hysteresis resilience model.
As the preferred of the present embodiment, kinetic model, which establishes unit 20, can be further used for according to the vibrational system
In the first mass of the first shock electric machine, first shock electric machine is in the first displacement of vertical direction, First Speed and the
Second mass of the second shock electric machine in one acceleration and the vibrational system, second shock electric machine are in vertical direction
Second displacement, second speed and the second acceleration establish Double -motor excitation driving soil compression vibrational system power
Learn model.
Further, as the preferred of the present embodiment, above-mentioned vibrational system may include vibrating body；
Correspondingly, kinetic model, which establishes unit 20, can be further used for the quality according to the vibrating body, described
The quality of second eccentric block of the quality of the first eccentric block of one shock electric machine and second shock electric machine, first bias
Block around the first radius of the revolution axle center of the Double -motor excitation, second eccentric block around the Double -motor excitation rotating shaft
First angular displacement of the second radius, the first eccentric block of the Double -motor excitation of the heart and second jiao of position of the second eccentric block
It moves, first angular speed and first angular acceleration and second eccentric block of first eccentric block on corresponding direction of rotation
The second angular speed and the second angular acceleration on corresponding direction of rotation establish the soil compression vibration of the Double -motor excitation driving
The kinetic model of dynamic system.
Further, as the preferred of above-described embodiment, service performance analytical unit 30 can be further used for setting institute
State Double -motor excitation driving soil compression vibrational system kinetic model parameters, with according to the parameter to described
The characteristic that operates synchronously of the vibrational system of Double -motor excitation driving is analyzed.
Device described in the present embodiment can be used for executing above method embodiment, and principle is similar with technical effect, this
Place repeats no more.
It should be noted that for device embodiment, since it is basically similar to the method embodiment, so description
Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
Illustrate the synchronizing characteristics of the vibrational system of Double -motor excitation driving of the invention with a specific embodiment below
Analysis method and device, but the scope of protection of the present invention is not limited.
It is shown in Fig. 3 not right to have can determine on the basis of asymmetric hysteretic behavior (referring to formula (1)) of aforementioned foundation
Claim hysteresis power f (y2), hysteresis power analogous diagram is as shown in Figure 3.Based on formula (1)-(2), asymmetric hysteresis model of vibration, root are established
Simulation analysis is carried out as schemed according to model.For example, parameter is as follows: m1=890kg, m2=560kg, k1=650000N/m, k2
=220000N/m, ε=0.5, g=9.8m/s, c1=650Nms/rad, c2=1500Nms/rad, m01=3.5kg, m02
=3.5kg, r1=r2=0.08m, c01=0.01Nms/rad, c02=0.01Nms/rad, J01=0.01kgm2, J02=
0.01kg·m2, g=9.8m/s, motor number of pole-pairs is preferably 4, uses the excited frequency of shock electric machine rotor for 25Hz, i.e.,According to shock electric machine variance rate (motor initial speed difference, initial phase difference) to rotational speed difference and phase difference
Stability influence, enumerate following two example.
Citing 1: the initial phase for taking shock electric machine 1 is 0.1rad, and the initial phase of shock electric machine 2 is 0, i.e. initial phase difference is
0.1rad obtains Double -motor excitation revolving speed, rotational speed difference and phase difference respectively as shown in Fig. 5~Fig. 7.As shown in Figure 5, exciting electricity
After machine starting, Double -motor excitation all reaches 157rad/s stable operation nearby, has m immediately011 revolving speed of shock electric machine of eccentric block
It is sharply fallen after rise after the high-order big concussion of experience, final Double -motor excitation stable operation, and the rotational speed difference of Double -motor excitation (referring to Fig. 6)
It is shaken repeatedly in the position that rotational speed difference is 0.As shown in Figure 7, after the phase difference of Double -motor excitation is 1.5rad by initial phase difference
Experience is slow and sharply increases, final to stablize in the position about π.
Citing 2: the initial speed difference of shock electric machine be 1.5rad/s when, obtain Double -motor excitation revolving speed, rotational speed difference and
For phase difference respectively as shown in Fig. 8~Figure 10, system initial speed difference is 1.5rad/s, as shown in Figure 8, after shock electric machine starting,
With m01It is fallen after rise after the high-order big concussion of the revolving speed experience of the shock electric machine 1 of eccentric block, last Double -motor excitation is in about 157rad/
S or so stable operation, and the rotational speed difference (referring to Fig. 9) of Double -motor excitation is shaken repeatedly in the position that rotational speed difference is 0.It can by Figure 10
Know, the phase difference of Double -motor excitation is finally stable in the position about π.
It can thus be concluded that going out, system is still able to achieve the Phase synchronization step of Double -motor excitation, i.e. system realizes the stability of synchronization
Operation.By the initial phase of motor or first revolving speed difference it is found that becoming in initial phase difference and initial speed difference in certain numerical value
In the case where change, after the revolving speed of shock electric machine 1 has big concussion, the revolving speed of Double -motor excitation finally tends towards stability,
157rad/s or so shakes repeatedly.After the variation for the helix shape that the rotational speed difference of Double -motor excitation is all undergone, finally tend to π
It sets and shakes repeatedly.The phase difference of Double -motor excitation is then all finally reached 180 °, and system can realize that Double -motor excitation phase difference is synchronous
Operation, i.e., system is still able to achieve synchronism stability state.
Present embodiments provide for the Double -motor excitation on a kind of asymmetric hysteresis model of vibration synchronous operation and
The stability of synchronization analysis method of system can provide foundation for the theoretical abundant and development of soil compression class vibrating machine.
The above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. a kind of synchronizing characteristics analysis method of the vibrational system of Double -motor excitation driving characterized by comprising
It is mutual between the vibrating body and soil driven according to the relationship of the stress and strain of soil and the Double -motor excitation
Interactively establishes the asymmetric hysteresis resilience model of soil, comprising: according to the position of the linear elastic stiffness of soil, vibrational system
Shifting, linear restoring power and nonlinear restoring force establish the asymmetric hysteresis resilience model, and the asymmetry of the soil is stagnant
Returning resilience model, specifically such as formula (1) is shown:
Wherein, vibrational system is moved to B point from displacement for 0 point, is moved to C point from B point, then be moved to displacement from C point as 0
Point, k are the linear elastic stiffness of soil, and y is the displacement of vibrational system, and ky indicates that linear restoring power item, ε are the nonlinear system of soil
It counts and is the number less than 1, ε ky3Indicate nonlinear resilience item, yBIndicate the displacement at B point, yCIndicate the displacement at C point,
Indicate speed；
According to the asymmetric hysteresis resilience model and the vibration system of the revolution Double -motor excitation in the same direction driving pre-established
System mechanical model establishes the kinetic model of the soil compression vibrational system of the Double -motor excitation driving, specifically includes:
According to the first mass of the first shock electric machine in the vibrational system, first shock electric machine the of vertical direction
One displacement, the second mass of First Speed and the second shock electric machine in the first acceleration and the vibrational system, described the
Two shock electric machines establish the soil of the Double -motor excitation driving in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of earth compacting vibrational system；
The vibrational system includes vibrating body；
Correspondingly, described to be existed according to the first mass of the first shock electric machine in the vibrational system, first shock electric machine
First displacement of vertical direction, First Speed and the second shock electric machine in the first acceleration and the vibrational system second
Quality, second shock electric machine establish the bidifly vibration in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of motor-driven soil compression vibrational system, further includes:
According to the quality of the vibrating body, the quality of the first eccentric block of first shock electric machine and second shock electric machine
The quality of the second eccentric block, first eccentric block around the revolution axle center of the Double -motor excitation the first radius, described
Two eccentric blocks around the second radius of the revolution axle center of the Double -motor excitation, the first eccentric block of the Double -motor excitation first
The first angular speed on corresponding direction of rotation of angular displacement and the second angular displacement of the second eccentric block, first eccentric block and
The second angular speed and the second angular acceleration of first angular acceleration and second eccentric block on corresponding direction of rotation are established
The kinetic model of the soil compression vibrational system of the Double -motor excitation driving；
The kinetic model of the soil compression vibrational system of the Double -motor excitation driving is obtained according to formula (2):
Wherein, y1Indicate the displacement of the first plastid vertical direction,Indicate the speed of the first plastid vertical direction,It indicates
The acceleration of the first plastid vertical direction, y2Indicate the displacement of the second plastid vertical direction,Indicate second plastid
The speed of vertical direction,Indicate the acceleration of the second plastid vertical direction, m1Indicate the quality of first plastid, m2
Indicate the quality of second plastid, second plastid include vibrating mass, first shock electric machine the first eccentric block and
Second eccentric block of second shock electric machine, m01Indicate the quality of first eccentric block, m02Indicate second eccentric block
Quality, r1Indicate radius of first eccentric block around revolution axle center, r2Indicate second eccentric block around revolution axle center
Radius, φ1Indicate the angular displacement of first eccentric block, φ2Indicate the angular displacement of second eccentric block,Described in expression
The angular speed of first eccentric block,Indicate the angular speed of second eccentric block,Indicate that the angle of first eccentric block accelerates
Degree,Indicate the angular acceleration of second eccentric block, c1Indicate the linear damping at first plastid, k1Indicate described
The linear rigidity of one plastid and second plastid, c2Indicate that soil acts on the damping on the vibrating body, f (y2) indicate soil
The linear hysteresis restoring force of earth, c01Indicate the gyrodaming of first eccentric block, c02Indicate the revolution resistance of second eccentric block
Buddhist nun, Tm1Indicate the electromagnetic torque of first shock electric machine, Tm2Indicate the electromagnetic torque of second shock electric machine, Tf1It indicates
The load torque of first shock electric machine, Tf2Indicate the load torque of second shock electric machine, J01Indicate the first eccentric block
Around the rotary inertia of revolution axle center, J02Indicate the second eccentric block around the rotary inertia of revolution axle center；
The Double -motor excitation is driven according to the kinetic model of the soil compression vibrational system of Double -motor excitation driving
The characteristic that operates synchronously of vibrational system analyzed.
2. the method according to claim 1, wherein the soil compression driven according to the Double -motor excitation
The characteristic that operates synchronously for the vibrational system that the kinetic model of vibrational system drives the Double -motor excitation is analyzed, packet
It includes:
The parameters for setting the kinetic model of the soil compression vibrational system of the Double -motor excitation driving, according to
The characteristic that operates synchronously for the vibrational system that parameter drives the Double -motor excitation is analyzed.
3. a kind of synchronizing characteristics analytical equipment of the vibrational system of Double -motor excitation driving characterized by comprising
Resilience model establishes unit, for the vibration in the relationship and the vibrational system according to the stress and strain of soil
Interaction relationship between body and soil establishes the asymmetric hysteresis resilience model of soil；
The resilience model establishes unit and is further used for displacement, linear according to the linear elastic stiffness of soil, vibrational system
Restoring force and nonlinear restoring force establish the asymmetric hysteresis resilience model, the asymmetric hysteresis restoring force of the soil
Model is specifically as shown in formula (1):
Wherein, vibrational system is moved to B point from displacement for 0 point, is moved to C point from B point, then be moved to displacement from C point as 0
Point, k are the linear elastic stiffness of soil, and y is the displacement of vibrational system, and ky indicates that linear restoring power item, ε are the nonlinear system of soil
It counts and is the number less than 1, ε ky3Indicate nonlinear resilience item, yBIndicate the displacement at B point, yCIndicate the displacement at C point,
Indicate speed；
Kinetic model establishes unit and is further used for the first mass according to the first shock electric machine in the vibrational system, institute
State the of the first shock electric machine in the first displacement of vertical direction, First Speed and the first acceleration and the vibrational system
Second mass of two shock electric machines, second shock electric machine accelerate in the second displacement of vertical direction, second speed and second
Degree establishes the kinetic model of the soil compression vibrational system of the Double -motor excitation driving；
The vibrational system includes vibrating body；
Correspondingly, the kinetic model establishes unit and is further used for the quality according to the vibrating body, first exciting
The quality of second eccentric block of the quality of the first eccentric block of motor and second shock electric machine, first eccentric block are around institute
State the first radius of the revolution axle center of Double -motor excitation, second eccentric block around the Double -motor excitation revolution axle center
Two radiuses, the Double -motor excitation the first eccentric block the first angular displacement and the second eccentric block the second angular displacement, described
First angular speed and first angular acceleration and second eccentric block of first eccentric block on corresponding direction of rotation are corresponding
The second angular speed and the second angular acceleration on direction of rotation establish the soil compression vibrational system of the Double -motor excitation driving
Kinetic model；
The kinetic model of the soil compression vibrational system of the Double -motor excitation driving is obtained according to formula (2):
Wherein, y1Indicate the displacement of the first plastid vertical direction,Indicate the speed of the first plastid vertical direction,It indicates
The acceleration of the first plastid vertical direction, y2Indicate the displacement of the second plastid vertical direction,Indicate second plastid
The speed of vertical direction,Indicate the acceleration of the second plastid vertical direction, m1Indicate the quality of first plastid, m2
Indicate the quality of second plastid, second plastid include vibrating mass, first shock electric machine the first eccentric block and
Second eccentric block of second shock electric machine, m01Indicate the quality of first eccentric block, m02Indicate second eccentric block
Quality, r1Indicate radius of first eccentric block around revolution axle center, r2Indicate second eccentric block around revolution axle center
Radius, φ1Indicate the angular displacement of first eccentric block, φ2Indicate the angular displacement of second eccentric block,Described in expression
The angular speed of first eccentric block,Indicate the angular speed of second eccentric block,Indicate that the angle of first eccentric block accelerates
Degree,Indicate the angular acceleration of second eccentric block, c1Indicate the linear damping at first plastid, k1Indicate described
The linear rigidity of one plastid and second plastid, c2Indicate that soil acts on the damping on the vibrating body, f (y2) indicate soil
The linear hysteresis restoring force of earth, c01Indicate the gyrodaming of first eccentric block, c02Indicate the revolution resistance of second eccentric block
Buddhist nun, Tm1Indicate the electromagnetic torque of first shock electric machine, Tm2Indicate the electromagnetic torque of second shock electric machine, Tf1It indicates
The load torque of first shock electric machine, Tf2Indicate the load torque of second shock electric machine, J01Indicate the first eccentric block
Around the rotary inertia of revolution axle center, J02Indicate the second eccentric block around the rotary inertia of revolution axle center；
Kinetic model establishes unit, for according to the asymmetric hysteresis resilience model and the revolution in the same direction pre-established
The vibrational system mechanical model of Double -motor excitation driving establishes the dynamic of the soil compression vibrational system of the Double -motor excitation driving
Mechanical model；
Service performance analytical unit, the kinetic model of the soil compression vibrational system for being driven according to the Double -motor excitation
The characteristic that operates synchronously of the vibrational system of Double -motor excitation driving is analyzed.
4. device according to claim 3, which is characterized in that the service performance analytical unit is further used for setting institute
State Double -motor excitation driving soil compression vibrational system kinetic model parameters, with according to the parameter to described
The characteristic that operates synchronously of the vibrational system of Double -motor excitation driving is analyzed.
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| CN107194105A (en) * | 2017-06-07 | 2017-09-22 | 北京建筑大学 | A kind of Double -motor excitation synchronizing characteristics analysis method based on frequency catching |
| CN109614725B (en) * | 2018-12-17 | 2022-12-09 | 东北大学 | Parameter determination method for compact vibration drying/cooling fluidized bed |
| CN110119561B (en) * | 2019-05-05 | 2023-04-07 | 北京建筑大学 | Single-vibration-body vibration system and synchronous characteristic analysis method |
| CN110108426B (en) * | 2019-05-05 | 2020-11-27 | 北京建筑大学 | Double-vibrating-body vibration system and synchronous characteristic analysis method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279504Y (en) * | 2008-07-15 | 2009-07-29 | 西南石油大学 | Self-locking rectilinear vibration screen of double-excitation motor |
| CN104809342A (en) * | 2015-04-23 | 2015-07-29 | 东北大学 | Parameter determination method of double-motor driven double-plastid self-synchronizing vibrating system |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279504Y (en) * | 2008-07-15 | 2009-07-29 | 西南石油大学 | Self-locking rectilinear vibration screen of double-excitation motor |
| CN104809342A (en) * | 2015-04-23 | 2015-07-29 | 东北大学 | Parameter determination method of double-motor driven double-plastid self-synchronizing vibrating system |
Non-Patent Citations (3)
| Title |
|---|
| 考虑跳振现象的压实系统振动轮的滞回响应特性研究;郑书河等;《中国机械工程》;20140615;第25卷(第11期);正文第1-2节 * |
| 非线性振动系统基于频率俘获现象的谐振同步分析;李小号等;《机械工程学报》;20140228;第50卷(第3期);正文第1-4节 * |
| 非线性振动系统非共振振动自同步特性;李叶等;《振动、测试与诊断》;20160430;第36卷(第2期);第295-300页 * |
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