CN106503307A - The synchronizing characteristics analysis method of the vibrational system that Double -motor excitation drives and device - Google Patents
The synchronizing characteristics analysis method of the vibrational system that Double -motor excitation drives and device Download PDFInfo
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- CN106503307A CN106503307A CN201610874648.0A CN201610874648A CN106503307A CN 106503307 A CN106503307 A CN 106503307A CN 201610874648 A CN201610874648 A CN 201610874648A CN 106503307 A CN106503307 A CN 106503307A
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Abstract
The present invention relates to a kind of synchronizing characteristics analysis method of the vibrational system of Double -motor excitation driving and device, wherein, methods described includes that the interaction relationship between the relation of the stress and strain according to soil and the vibrating body and soil of Double -motor excitation driving sets up the asymmetric hysteresis resilience model of soil；The vibrational system mechanical model driven according to the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction for pre-building sets up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives；The kinetic model of the soil compression vibrational system driven according to the Double -motor excitation is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.The kinetic model that the present invention is provided more is coincide with actual vibration compacting operating mode, thus can improve the accuracy of the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving, can provide basis for follow-up further research.
Description
Technical field
The present invention relates to vibrating machine field of engineering technology, more particularly to a kind of vibrational system of Double -motor excitation driving
Synchronizing characteristics analysis method and device.
Background technology
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 the most important equipment of this construction working, and vibrational energy is passed to by firming in the form of ripple by it using vibrating body
Body, reduces the resistance of deformation of the soil body, increases its mobility, improves compaction and efficiency of compaction.
During compacting soil, the soil body can produce elastic deformation and larger to the Vibrating Compacting System that many shock electric machines drive
Plastic deformation, the soil body due to only on direction vertically downward produce plastic deformation, so restoring force of the soil body to vibrating body
The hysteretic loop formed between its displacement is asymmetric.This generally show in curves of stress-strain relationship not right
The characteristic of title is called asymmetrical hysteresis.When this asymmetrical hysteresis have a significant impact to the vibratory response of system, palpus
Ensure that the run-in synchronism of many shock electric machines could realize system synchronization kinetic stability, and then ensure the workability of vibrating machine
Energy.
The compacted fill ground and the asymmetric hysteresis of the soil body that vibrating compacting soil is produced belongs to nonlinear characteristic, but existing
Vibrating Compacting System service performance analysis and research in only account for non-linear factor caused by compacting soil, and do not consider many
The impact of the run-in synchronism characteristic of shock electric machine, this is differed greatly with actual conditions, and the operating that have impact on Vibrating Compacting System is special
Property analysis accuracy rate.
Content of the invention
For the run-in synchronism for not considering many shock electric machines in the service performance analysis and research of existing Vibrating Compacting System
The defect of characteristic, the present invention propose following technical scheme：
A kind of synchronizing characteristics analysis method of the vibrational system that Double -motor excitation drives, methods described include：
According to mutual between the vibrating body and soil in the relation and the vibrational system of the stress and strain of soil
Interactively sets up the asymmetric hysteresis resilience model of soil；
According to shaking that the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction for pre-building drive
The kinetic model of the soil compression vibrational system that the Double -motor excitation drives set up by dynamic mechanics of system model；
The kinetic model of the soil compression vibrational system driven according to the Double -motor excitation is to the Double -motor excitation
The run-in synchronism characteristic of the vibrational system of driving is analyzed.
Alternatively, the vibrating body and soil in the relation and the vibrational system of the stress and strain according to soil
Between interaction relationship set up the asymmetric hysteresis resilience model of soil, including：
Institute is set up 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.
Alternatively, described shaken electricity according to the asymmetric hysteresis resilience model and the revolution bidifly in the same direction for pre-building
The vibrational system mechanical model that machine drives sets up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives,
Including：
The first mass, first shock electric machine according to the first shock electric machine in the vibrational system is in vertical direction
The first displacement, the second mass of First Speed and the first acceleration and the second shock electric machine in the vibrational system, institute
Stating the second shock electric machine and the Double -motor excitation being set up in the second displacement of vertical direction, second speed and the second acceleration drive
Soil compression vibrational system kinetic model.
Alternatively, the vibrational system includes vibrating body；
Correspondingly, the first mass of first shock electric machine according in the vibrational system, first exciting electricity
Machine is in the first displacement of vertical direction, First Speed and the first acceleration and the second shock electric machine in the vibrational system
Second mass, second shock electric machine are set up described double in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of the soil compression vibrational system that shock electric machine drives, also includes：
Quality, the quality of the first eccentric block of first shock electric machine and second exciting according to the vibrating body
The quality of the second eccentric block of motor, first eccentric block the first radius, institute around the revolution axle center of the Double -motor excitation
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 first angular acceleration and second eccentric block the second angular speed and the second angular acceleration on corresponding direction of rotation
Set up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives.
Alternatively, the kinetic model of the soil compression vibrational system driven according to the Double -motor excitation is to described
Double -motor excitation drive vibrational system run-in synchronism characteristic be analyzed including：
The parameters of the kinetic model of the soil compression vibrational system that the Double -motor excitation drives are set, with basis
The parameter is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.
A kind of synchronizing characteristics analytical equipment of the vibrational system that Double -motor excitation drives, including：
Resilience model sets up unit, in the relation and the vibrational system for the stress and strain according to soil
Interaction relationship between vibrating body and soil sets up the asymmetric hysteresis resilience model of soil；
Kinetic model sets up unit, for according to the asymmetric hysteresis resilience model and pre-build in the same direction
The vibrational system mechanical model that revolution Double -motor excitation drives sets up the soil compression vibrational system that the Double -motor excitation drives
Kinetic model；
Service performance analytic unit, the dynamics of the soil compression vibrational system for being driven according to the Double -motor excitation
Model is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.
Alternatively, the resilience model is set up unit and is further used for according to the linear elastic stiffness of soil, vibrational system
Displacement, linear restoring power and nonlinear restoring force set up the asymmetric hysteresis resilience model.
Alternatively, the kinetic model is set up 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 of vertical direction, First Speed and the first acceleration 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 set up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives.
Alternatively, the vibrational system includes vibrating body；
Correspondingly, the kinetic model set up unit be further used for the quality according to the vibrating body, described first
The quality of the second eccentric block of the quality of the first eccentric block of shock electric machine and second shock electric machine, first eccentric block
Revolution axle center of the first radius, second eccentric block around the revolution axle center of the Double -motor excitation around the Double -motor excitation
The second radius, the first angular displacement of the first eccentric block of the Double -motor excitation and the second angular displacement of the second eccentric block,
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 sets up the soil compression vibration that the Double -motor excitation drives
The kinetic model of system.
Alternatively, the service performance analytic unit is further used for setting the soil compression that the Double -motor excitation drives
The parameters of the kinetic model of vibrational system, with according to the parameter to vibrational system that the Double -motor excitation drives
Run-in synchronism characteristic is analyzed.
The synchronizing characteristics analysis method of the vibrational system that the Double -motor excitation of the present invention drives and device, by according to soil
Stress and strain relation and the vibrational system in vibrating body and soil between interaction relationship set up soil
Asymmetric hysteresis resilience model, and double according to the asymmetric hysteresis resilience model and the revolution in the same direction for pre-building
Shock electric machine drives the mechanical model of vibrational system to set up the power of the soil compression vibrational system that the Double -motor excitation drives
Model is learned, with the kinetic model of soil compression vibrational system that drives according to the Double -motor excitation to the Double -motor excitation
The run-in synchronism characteristic of the vibrational system of driving is analyzed, and kinetic model and the actual vibration due to providing is compacted operating mode more
Plus coincide, thus the accuracy of the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving can be improved, can be subsequently to enter one
Step research provides basis.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Streams of the Fig. 1 for the synchronizing characteristics analysis method of the vibrational system of the Double -motor excitation driving of one embodiment of the invention
Journey schematic diagram；
Asymmetric hysteresis resilience model schematic diagrames of the Fig. 2 for the soil of one embodiment of the invention；
Mechanical model schematic diagrames of the Fig. 3 for the Vibrating Compacting System of one embodiment of the invention；
Knots of the Fig. 4 for the synchronizing characteristics analytical equipment of the vibrational system of the Double -motor excitation driving of one embodiment of the invention
Structure schematic diagram；
The rotating speed schematic diagram of Double -motor excitation when Fig. 5 is 0.1rad for the initial phase difference of one embodiment of the invention；
Double -motor excitation speed discrepancy schematic diagram when Fig. 6 is 0.1rad for the initial phase difference of one embodiment of the invention；
Double -motor excitation phase difference schematic diagram when Fig. 7 is 0.1rad for the initial phase difference of one embodiment of the invention；
The rotating speed schematic diagram of Double -motor excitation when Fig. 8 is 1.5rad/s for the first speed discrepancy of one embodiment of the invention；
The speed discrepancy schematic diagram of Double -motor excitation when Fig. 9 is 1.5rad/s for the first speed discrepancy of one embodiment of the invention；
The phase difference schematic diagram of Double -motor excitation when Figure 10 is 1.5rad/s for the first speed discrepancy of one embodiment of the invention.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention is clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, to the embodiment of the present invention in technical scheme be explicitly described, it is clear that described embodiment be the present invention
A part of embodiment, rather than whole embodiments.Embodiment in based on the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of making creative work, belongs to the scope of protection of the invention.
Streams of the Fig. 1 for the synchronizing characteristics analysis method of the vibrational system of the Double -motor excitation driving of one embodiment of the invention
Journey schematic diagram；As shown in figure 1, the method includes：
S1：According to the phase between the vibrating body and soil in the relation and the vibrational system of the stress and strain of soil
Interaction relation sets up the asymmetric hysteresis resilience model of soil；
S2：Driven according to the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction for pre-building
Vibrational system mechanical model sets up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives；
S3：The kinetic model of the soil compression vibrational system driven according to the Double -motor excitation shakes to the bidifly electricity
The run-in synchronism characteristic of the vibrational system that machine drives is analyzed.
The synchronizing characteristics analysis method of the vibrational system that the Double -motor excitation of the present embodiment drives, by answering according to soil
The interaction relationship between vibrating body and soil in the relation and the vibrational system of power and strain sets up soil not
Symmetrical hysteresis resilience model, and shaken according to the asymmetric hysteresis resilience model and the revolution bidifly in the same direction for pre-building
Motor-driven vibrational system mechanical model sets up the kinetic simulation of the soil compression vibrational system that the Double -motor excitation drives
Type, is driven to the Double -motor excitation with the kinetic model of the soil compression vibrational system driven according to the Double -motor excitation
The run-in synchronism characteristic of vibrational system be analyzed, kinetic model and the actual vibration due to providing is compacted operating mode and more kisses
Close, thus the accuracy of the synchronizing characteristics analysis of the vibrational system of Double -motor excitation driving can be improved, can be subsequently further to grind
Offer basis is provided.
Used as the preferred of the present embodiment, step S1 can include：
S11：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 model of the soil of one embodiment of the invention, such as Fig. 2 institutes
Show, true according to the relation of soil stress and strain and the interphase interaction (can be represented using soft nonlinear characteristic) of machine soil
Shown in fixed asymmetric hysteresis resilience model such as following formula (1)：
Wherein, k is the linear elastic stiffness of soil, displacements of the y for vibrational system, and ky represents linear restoring power item, and ε is soil
Nonlinear factor (being the number less than 1), ε ky3Represent nonlinear resilience item.
Further, as the preferred of the present embodiment, step S2 can also include：
S21：The first mass, first shock electric machine according to the first shock electric machine in the vibrational system is vertical
Second matter of the second shock electric machine in first displacement in direction, First Speed and the first acceleration and the vibrational system
Amount, second shock electric machine are set up the bidifly in the second displacement of vertical direction, second speed and the second acceleration and are shaken electricity
The kinetic model of the soil compression vibrational system that machine drives.
On this basis, as the preferred of above-described embodiment, the vibrational system includes vibrating body；
Correspondingly, step S21 can also include：
S211：Quality, the quality of the first eccentric block of first shock electric machine according to the vibrating body and described
The quality of the second eccentric block of two shock electric machines, first eccentric block around the revolution axle center of the Double -motor excitation the first half
Footpath, second eccentric block around the second radius of the revolution axle center of the Double -motor excitation, the Double -motor excitation first inclined
First angular displacement of heart block and the second angular displacement of the second eccentric block, first eccentric block on corresponding direction of rotation
One angular speed and the first angular acceleration and second eccentric block the second angular speed and second jiao on corresponding direction of rotation
Acceleration sets up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives.
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 drives
Vibrational system during compacting soil, only produce 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 are constituted, wherein plastid m2Quality include
The quality of vibrating body and the quality of two eccentric blocks, the quality of two eccentric blocks are respectively m01And m02, eccentric block is around gyroaxis
The radius r of the heart1And r2.The angular displacement φ of the 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, c02, and the electromagnetic torque of Double -motor excitation is respectively Tm1, Tm2, bidifly shakes electricity
The load torque of machine is respectively Tf1, Tf2.
Alternatively, the kinetic model of the soil compression vibrational system driven according to the Double -motor excitation is to described
Double -motor excitation drive vibrational system run-in synchronism characteristic be analyzed including：
The parameters of the kinetic model of the soil compression vibrational system that the Double -motor excitation drives are set, with basis
The parameter is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.
Wherein, the shock electric machine variance rate can include motor initial speed difference and initial phase difference.
On this basis, can be according to the parameter, and (i.e. motor initial speed is poor in consideration shock electric machine variance rate
Different, initial phase difference) speed discrepancy and phase difference are affected in the case of, to vibrational system that the Double -motor excitation drives
Run-in synchronism characteristic is analyzed.
Knots of the Fig. 4 for the synchronizing characteristics analytical equipment of the vibrational system of the Double -motor excitation driving of one embodiment of the invention
Structure schematic diagram；As shown in figure 4, described device includes：
Resilience model sets up unit 10, in the relation and the vibrational system for the stress and strain according to soil
Vibrating body and soil between interaction relationship set up the asymmetric hysteresis resilience model of soil；
Kinetic model sets up unit 20, for according to the asymmetric hysteresis resilience model and pre-build same
The vibrational system mechanical model driven to revolution Double -motor excitation sets up the soil compression vibration system that the Double -motor excitation drives
The kinetic model of system；
Service performance analytic unit 30, the power of the soil compression vibrational system for being driven according to the Double -motor excitation
Learn model to be analyzed the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.
Device described in the present embodiment can be used for executing said method embodiment, and its principle is similar with technique effect, this
Place repeats no more.
Used as the preferred of the present embodiment, resilience model is set up unit 10 and can be further used for according to soil linear elasticity
Rigidity, the displacement of vibrational system, linear restoring power and nonlinear restoring force set up the asymmetric hysteresis resilience model.
Used as the preferred of the present embodiment, kinetic model is set up unit 20 and can be further used for according to the vibrational system
In the first mass of the first shock electric machine, first shock electric machine vertical direction the first displacement, First Speed and
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 set up the power of the soil compression vibrational system that the Double -motor excitation drives
Learn model.
Further, as the preferred of the present embodiment, above-mentioned vibrational system may include vibrating body；
Correspondingly, kinetic model set up unit 20 can be further used for quality according to the vibrating body, described
The quality of the 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 gyroaxis
Second jiao of position of the second radius of the heart, the first angular displacement of the first eccentric block of the Double -motor excitation and the second eccentric block
Shifting, 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 is set up the soil compression of the Double -motor excitation driving and is shaken
The kinetic model of dynamic system.
Further, as the preferred of above-described embodiment, service performance analytic 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 run-in synchronism characteristic of the vibrational system that Double -motor excitation drives is analyzed.
Device described in the present embodiment can be used for executing said method embodiment, and its principle is similar with technique effect, this
Place repeats no more.
It should be noted that for device embodiment, due to itself and embodiment of the method basic simlarity, so description
Fairly simple, related part is illustrated referring to the part of embodiment of the method.
The synchronizing characteristics of the vibrational system that the Double -motor excitation of the present invention drives is described with a specific embodiment below
Analysis method and device, but do not limit protection scope of the present invention.
It is not right shown in Fig. 3 to have can determine that on the basis of the 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 is set up
Simulation analysis are carried out as schemed according to model.Illustrate, parameter is as follows：m1=890kg, m2=560kg, k1=650000N/m, k2
=220000N/m, ε=0.5, g=9.8m/s, c1=650Nm s/rad, c2=1500Nm s/rad, m01=3.5kg, m02
=3.5kg, r1=r2=0.08m, c01=0.01Nm s/rad, c02=0.01Nm s/rad, J01=0.01kg m2, J02=
0.01kg·m2, g=9.8m/s, motor number of pole-pairs are preferably 4, adopt 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 speed discrepancy and phase difference
Stability influence, enumerate following two examples.
Citing 1：The initial phase for taking shock electric machine 1 is 0.1rad, and the initial phase of shock electric machine 2 for 0, i.e. initial phase difference is
0.1rad, obtains Double -motor excitation rotating speed, speed discrepancy and phase difference respectively as shown in Fig. 5～Fig. 7.As shown in Figure 5, exciting electricity
After machine starts, Double -motor excitation all reaches 157rad/s stable operations nearby, and there is m immediately011 rotating speed of shock electric machine of eccentric block
Drastically fall after rise after the high-order big concussion of experience, final Double -motor excitation stable operation, and the speed discrepancy (referring to Fig. 6) of Double -motor excitation
Shaken in the position that speed discrepancy is 0 repeatedly.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 stable in about π positions.
Citing 2：Shock electric machine initial speed difference for 1.5rad/s when, obtain Double -motor excitation rotating speed, speed discrepancy and
Respectively as shown in Fig. 8～Figure 10, system initial speed difference is 1.5rad/s to phase difference, as shown in Figure 8, after shock electric machine starts,
There is m01A rotating speed experience high position for the shock electric machine 1 of eccentric block is fallen after rise after shaking greatly, and last Double -motor excitation is in about 157rad/
S or so stable operations, and the speed discrepancy (referring to Fig. 9) of Double -motor excitation shakes repeatedly in the position that speed discrepancy is 0.Can by Figure 10
Know, the phase difference of Double -motor excitation is finally stable in about π positions.
Thus can draw, system still can realize the Phase synchronization step of Double -motor excitation, i.e., system realizes the stability of synchronization
Operation.Different by the initial phase or first rotating speed of motor, become in certain numerical value in initial phase difference and initial speed difference
In the case of change, after the rotating speed of shock electric machine 1 has big concussion, the rotating speed of Double -motor excitation finally tends towards stability,
157rad/s or so shakes repeatedly.After the change of the helix shape that the speed discrepancy of Double -motor excitation all experiences, finally tend to π positions
Put and shake repeatedly.The phase difference of Double -motor excitation is then all finally reached 180 °, and system can achieve Double -motor excitation phase difference synchronization
Operation, i.e., system remains to realize synchronism stability state.
Present embodiments provide for the Double -motor excitation on the asymmetric hysteresis model of vibration of a class 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.
Above example is merely to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：Which still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the synchronizing characteristics analysis method of the vibrational system that a kind of Double -motor excitation drives, it is characterised in that include：
According to mutual between the relation of the stress and strain of soil and the vibrating body and soil of Double -motor excitation driving
Interactively sets up the asymmetric hysteresis resilience model of soil；
According to the vibration system that the asymmetric hysteresis resilience model and the revolution Double -motor excitation in the same direction for pre-building drive
System mechanical model sets up the kinetic model of the soil compression vibrational system that the Double -motor excitation drives；
The kinetic model of the soil compression vibrational system driven according to the Double -motor excitation is driven to the Double -motor excitation
The run-in synchronism characteristic of vibrational system be analyzed.
2. method according to claim 1, it is characterised in that the relation of the stress and strain according to soil and institute
State the asymmetric hysteresis restoring force mould that the interaction relationship between the vibrating body and soil of Double -motor excitation driving sets up soil
Type, including：
According to the linear elastic stiffness of soil, the displacement of vibrational system, linear restoring power and nonlinear restoring force are set up not
Symmetrical hysteresis resilience model.
3. method according to claim 1, it is characterised in that described according to the asymmetric hysteresis resilience model and
The vibrational system mechanical model that the revolution Double -motor excitation in the same direction for pre-building drives sets up the soil that the Double -motor excitation drives
Earth is compacted the kinetic model of vibrational system, including：
The first mass, first shock electric machine according to the first shock electric machine in the vibrational system in vertical direction
Second mass of the second shock electric machine in one displacement, First Speed and the first acceleration and described pair of vibrational system, described
Second shock electric machine sets up what the Double -motor excitation drove in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of soil compression vibrational system.
4. method according to claim 3, it is characterised in that the vibrational system includes vibrating body；
Correspondingly, the first mass of first shock electric machine according in the vibrational system, first shock electric machine exist
Second of the second shock electric machine in first displacement of vertical direction, First Speed and the first acceleration and the vibrational system
Quality, second shock electric machine are set up the bidifly and shake in the second displacement of vertical direction, second speed and the second acceleration
The kinetic model of motor-driven soil compression vibrational system, also includes：
Quality, the quality of the first eccentric block of first shock electric machine and second shock electric machine according to the vibrating body
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 of angular displacement and the second angular displacement of the second eccentric block, first eccentric block on corresponding direction of rotation and
The second angular speed of first angular acceleration and second eccentric block on corresponding direction of rotation and the second angular acceleration are set up
The kinetic model of the soil compression vibrational system that the Double -motor excitation drives.
5. method according to claim 1, it is characterised in that the soil compression driven according to the Double -motor excitation
The kinetic model of vibrational system is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives, bag
Include：
The parameters of the kinetic model of the soil compression vibrational system that the Double -motor excitation drives are set, with according to described
Parameter is analyzed to the run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives.
6. the synchronizing characteristics analytical equipment of the vibrational system that a kind of Double -motor excitation drives, it is characterised in that include：
Resilience model sets up unit, the vibration in relation and the vibrational system for the stress and strain according to soil
Interaction relationship between body and soil sets up the asymmetric hysteresis resilience model of soil；
Kinetic model sets up unit, for according to the asymmetric hysteresis resilience model and the revolution in the same direction for pre-building
The vibrational system mechanical model that Double -motor excitation drives sets up the dynamic of the soil compression vibrational system that the Double -motor excitation drives
Mechanical model；
Service performance analytic unit, the kinetic model of the soil compression vibrational system for being driven according to the Double -motor excitation
The run-in synchronism characteristic of the vibrational system that the Double -motor excitation drives is analyzed.
7. device according to claim 6, it is characterised in that the resilience model is set up unit and is further used for basis
The linear elastic stiffness of soil, the displacement of vibrational system, linear restoring power and nonlinear restoring force set up the asymmetric hysteresis
Resilience model.
8. device according to claim 6, it is characterised in that the kinetic model is set up unit and is further used for basis
First mass of the first shock electric machine in the vibrational system, first shock electric machine vertical direction the first displacement,
Second mass of First Speed and the first acceleration and the second shock electric machine in the vibrational system, second exciting electricity
Machine is set up the soil compression that the Double -motor excitation drives in the second displacement of vertical direction, second speed and the second acceleration and is shaken
The kinetic model of dynamic system.
9. device according to claim 8, it is characterised in that the vibrational system includes vibrating body；
Correspondingly, the kinetic model is set up unit and is further used for the quality according to the vibrating body, first exciting
The quality of the second eccentric block of the quality of the first eccentric block of motor and second shock electric machine, first eccentric block are around institute
The first radius of the revolution axle center of Double -motor excitation, second eccentric block are stated around the of the revolution axle center of the Double -motor excitation
Two radiuses, the first angular displacement of the first eccentric block of the Double -motor excitation and the second angular displacement of the second eccentric block, 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 sets up the soil compression vibrational system that the Double -motor excitation drives
Kinetic model.
10. device according to claim 6, it is characterised in that the service performance analytic unit is further used for setting
The parameters of the kinetic model of the soil compression vibrational system that the Double -motor excitation drives, with according to the parameter to institute
The run-in synchronism characteristic for stating 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 |
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| CN109614725A (en) * | 2018-12-17 | 2019-04-12 | 东北大学 | A kind of compact vibration drying/cooling bed and its parameter determination method |
| CN110108426A (en) * | 2019-05-05 | 2019-08-09 | 北京建筑大学 | A kind of double vibrating body vibrational systems and synchronizing characteristics analysis method |
| CN110119561A (en) * | 2019-05-05 | 2019-08-13 | 北京建筑大学 | A kind of list vibrating body vibrational system and synchronizing characteristics analysis method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107330156A (en) * | 2017-06-07 | 2017-11-07 | 北京建筑大学 | Double -motor excitation synchronizing characteristics simulating analysis based on frequency catching |
| CN109614725A (en) * | 2018-12-17 | 2019-04-12 | 东北大学 | A kind of compact vibration drying/cooling bed and its parameter determination method |
| CN109614725B (en) * | 2018-12-17 | 2022-12-09 | 东北大学 | Parameter determination method for compact vibration drying/cooling fluidized bed |
| CN110108426A (en) * | 2019-05-05 | 2019-08-09 | 北京建筑大学 | A kind of double vibrating body vibrational systems and synchronizing characteristics analysis method |
| CN110119561A (en) * | 2019-05-05 | 2019-08-13 | 北京建筑大学 | A kind of list vibrating body vibrational system and synchronizing characteristics analysis method |
| CN110119561B (en) * | 2019-05-05 | 2023-04-07 | 北京建筑大学 | Single-vibration-body vibration system and synchronous characteristic analysis method |
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