CN105508324B - The control method of the high-power wave making system of hydraulic vibration-type - Google Patents
The control method of the high-power wave making system of hydraulic vibration-type Download PDFInfo
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- CN105508324B CN105508324B CN201510592305.0A CN201510592305A CN105508324B CN 105508324 B CN105508324 B CN 105508324B CN 201510592305 A CN201510592305 A CN 201510592305A CN 105508324 B CN105508324 B CN 105508324B
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Abstract
The present invention relates to a kind of high-power wave making system of hydraulic vibration-type and its control method, wave making system includes push wave plate, hydraulic cylinder, control valve group, fueller, controller, flow speed control valve, stepper motor and fuel tank, push wave plate is connected to the piston rod of the hydraulic cylinder, and push wave plate can generate simulated waves in the case where the linear reciprocation effect of piston rod drives.The A mouths of control valve group are connected to the E mouths of hydraulic cylinder, and the B mouths of control valve group are connected to the F mouths of hydraulic cylinder, and fueller can draw fluid from fuel tank and can supply fluid to hydraulic cylinder by control valve group.The wave making system controls the motion of hydraulic cylinder using the control valve group being made up of Spool rotating formula reversal valve and four inserted valves, so as to have the advantages of commutating frequency control accuracy of Spool rotating formula reversal valve is high, control range is wide and the through-flow flow of inserted valve is big concurrently.Spool rotating formula reversal valve is provided with rotatable valve element, and stepper motor is connected to the valve element of Spool rotating formula reversal valve.
Description
Technical field
The invention belongs to wave simulation field, and in particular to a kind of high-power wave making system of hydraulic vibration-type and its controlling party
Method.
Background technology
In fields such as ship, harbour, coastal engineering, ocean engineerings, wave generation is an important experimental technique, makes ripple
Technology is come simulated implementation by the wave making system as important laboratory installation.Wave making system is by controller, drive device
Formed with push wave plate etc., under the control of the controller, drive device drives push wave plate to be moved according to certain control law, push wave
Plate promotes fluid media (medium), forms various forms of simulated waves, is built for studying wave to navigating, in the water such as harbour and dykes and dams
The effect of thing.
According to the difference of drive device, wave making system can be divided into two classes：Based on motor-driven wave making system and base
In the wave making system of hydraulic-driven.Under light duty, wave making system more uses motor drive mode.And in severe duty
Under, wave making system typically uses hydraulic driving mode.
Straight reciprocating motion is done usually using Hydraulic Cylinder push wave plate based on the wave making system of hydraulic-driven, with this next life
Into wave.In order that the pistons work of hydraulic cylinder in alternately commutating mode, it is necessary to control the reversal valve for being connected to hydraulic cylinder and make
Its alternation is in different spool positions to realize the conversion in the fluid direction of input hydraulic cylinder.
The reversal valve of the existing wave making system generally use guiding valve form based on hydraulic-driven, the reversal valve of guiding valve form
Response speed is slower, and is difficult to higher commutating frequency and the precision that preferably commutates.The reversal valve of guiding valve form without
By being to use electromagnetic switch or surge commutation, while commutating frequency is restricted, the limitation of through-flow flow is also suffered from,
Requirement of the wave making system to commutating frequency and through-flow flow can not be taken into account, so that existing wave making system can not the simulated implementation phase
When hoping the more complicated wave of waveform.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of high-power wave making system of hydraulic vibration-type and its control method,
The wave making system controls the motion of hydraulic cylinder using the control valve group being made up of Spool rotating formula reversal valve and four inserted valves,
So as to have concurrently, the commutating frequency control accuracy of Spool rotating formula reversal valve is high, control range is wide and the through-flow flow of inserted valve
The advantages of big.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of high-power wave making system of hydraulic vibration-type, including push wave plate, hydraulic cylinder, control valve group, fueller, control
Device and fuel tank, the push wave plate are connected to the piston rod of the hydraulic cylinder, and the push wave plate can be in the straight of the piston rod
Line reciprocating drives lower generation simulated waves, and the fueller can draw fluid from the fuel tank and can pass through institute
State control valve group and supply fluid to the hydraulic cylinder.
The high-power wave making system of hydraulic vibration-type also includes flow speed control valve and stepper motor, and the control valve group is provided with A mouths, B
Mouth and P mouths and the control valve group include Spool rotating formula reversal valve and four inserted valves, the Spool rotating formula reversal valve
Provided with rotatable valve element, the stepper motor is connected to the valve element of the Spool rotating formula reversal valve.The hydraulic cylinder is double
Act on piston hydraulic cylinder and be connected to the E of the hydraulic cylinder provided with e chambers, f chambers and E mouths, F mouths, the A mouths of the control valve group
Mouthful so as to being connected with the e chambers of the hydraulic cylinder, the B mouths of the control valve group be connected to the F mouths of the hydraulic cylinder so as to institute
The f chambers for stating hydraulic cylinder are connected, and the fueller is connected to the oil inlet of the flow speed control valve, and the oil-out of the flow speed control valve connects
It is connected to the P mouths of the control valve group.The controller is electrically connected in the stepper motor, the flow speed control valve and the fuel feeding
Device.
Further, the Spool rotating formula reversal valve is provided with T0 mouths, P0 mouths, A0 mouths and B0 mouths, the Spool rotating formula
The T0 mouths of reversal valve are connected to the fuel tank, and the P0 mouths of the Spool rotating formula reversal valve are connected with the P mouths of the control valve group
It is logical.
The Spool rotating formula reversal valve has two working positions, respectively left position and right position, and the stepper motor drives
During the valve core rotation of the Spool rotating formula reversal valve, the Spool rotating formula reversal valve alternation is in left position and right position.Institute
When stating Spool rotating formula reversal valve and being operated in left position, the A0 mouths of the Spool rotating formula reversal valve are connected with T0 mouths, and P0 mouths
It is connected with B0 mouths.When the Spool rotating formula reversal valve is operated in right position, the T0 mouths and B0 of the Spool rotating formula reversal valve
Mouth is connected, and A0 mouths are connected with P0 mouths.
Four inserted valves of the control valve group are respectively the first inserted valve, the second inserted valve, the 3rd inserted valve and the 4th
The B4 mouths of inserted valve, the B1 mouths of first inserted valve and the 4th inserted valve are connected to the fuel tank, the valve element
The B0 mouths of rotating type change valve are connected to the X1 mouths of first inserted valve and the X3 mouths of the 3rd inserted valve, the valve
The A0 mouths of core rotating type change valve are connected to the X2 mouths of second inserted valve and the X4 mouths of the 4th inserted valve.It is described
The A mouths of control valve group are connected with the A1 mouths of first inserted valve and the A2 mouths of second inserted valve respectively, the control
The B mouths of valve group are connected with the A3 mouths of the 3rd inserted valve and the A4 mouths of the 4th inserted valve respectively, the control valve group
P mouths be connected respectively with the B2 mouths of second inserted valve and the B3 mouths of the 3rd inserted valve.
Further, the high-power wave making system of hydraulic vibration-type also includes set of sensors, and the set of sensors includes
Acceleration transducer, displacement transducer, flow sensor and wave height recorder, the controller is electrically connected to be passed in the acceleration
Sensor, displacement transducer, wave height recorder and the flow sensor.The flow speed control valve is connected to described by the flow sensor
The P mouths of control valve group, wherein, the oil inlet of the flow sensor is connected to the oil-out of the flow speed control valve, and the flow passes
The oil-out of sensor is connected to the P mouths of the control valve group.
The acceleration transducer and institute's displacement sensors are used for acceleration and the displacement for measuring the push wave plate, described
Wave height recorder is used for the wave height for measuring the wave simulated.
Further, the fueller includes variable-frequency motor and hydraulic pump, and the variable-frequency motor is connected to the hydraulic pressure
Pump simultaneously can drive the hydraulic pump to rotate, and the controller is electrically connected to the variable-frequency motor；The oil inlet of the hydraulic pump
The fuel tank is connected to, the oil-out of the hydraulic pump is connected to the oil inlet of the flow speed control valve.
Further, the high-power wave making system of hydraulic vibration-type also includes check valve, proportional pressure control valve and electromagnetic relief valve,
The controller is electrically connected to the proportional pressure control valve and the electromagnetic relief valve；The oil inlet of the electromagnetic relief valve is connected to
The oil-out of the hydraulic pump, the oil-out of the electromagnetic relief valve are connected to the fuel tank；The oil-out of the flow speed control valve connects
The oil inlet of the check valve is connected to, the oil-out of the check valve is connected to oil inlet and the institute of the proportional pressure control valve
The P mouths of control valve group are stated, the oil-out of the proportional pressure control valve is connected to the fuel tank；So as to which the hydraulic pump passes sequentially through
The flow speed control valve, the check valve, the control valve group provide fluid to the hydraulic cylinder.
Further, the hydraulic pump is volume adjustable hydraulic pump, and the controller is electrically connected to the discharge capacity of the volume adjustable hydraulic pump
Adjusting means.
Further, the high-power wave making system of hydraulic vibration-type also includes safety valve, the oil inlet connection of the safety valve
In the oil-out of the flow speed control valve, the oil-out of the safety valve is connected to the fuel tank, the oil inlet connection of the hydraulic pump
The pipeline of the fuel tank is provided with filter.
The control method of the high-power wave making system of hydraulic vibration-type, it is specific as follows：
Start the high-power wave making system of hydraulic vibration-type, presetting in the controller will be high-power by hydraulic vibration-type
The waveform parameter of the wave of wave making system simulation, the waveform parameter include wavelength and wave height；Controller is according to having set
Waveform parameter evaluation goes out the predetermined movement track of push wave plate, and the trajectory parameters of the predetermined movement track of the push wave plate include push wave
The displacement of plate and translational speed；
The high-power wave making system of hydraulic vibration-type is provided with displacement transducer, in the high-power wave making system of hydraulic vibration-type
After startup, displacement transducer by it is actually detected go out the displacement of push wave plate send to controller, controller is according to receiving
The displacement of push wave plate and the time of combination record calculate the translational speed of push wave plate；Further, controller is according to actual inspection
The translational speed of the displacement for the push wave plate measured and the push wave plate calculated draws out the actual motion track of push wave plate, then
The actual motion track of push wave plate is compared with predetermined movement track, draws movement locus deviation；Afterwards, controller is according to this
Movement locus deviation after algorithm controls output control signal to adjust the valve port size of flow speed control valve and the rotating speed of stepper motor
Size, so that the actual motion track following predetermined movement track of push wave plate；This is the movement locus closed loop control of push wave plate
System and closed loop control cycles operation；
The high-power wave making system of hydraulic vibration-type is additionally provided with proportional pressure control valve and wave height recorder, the proportional pressure control valve
Oil inlet is connected to the oil-out of the flow speed control valve, and the oil-out of the proportional pressure control valve is connected to the fuel tank；The wave is high
Instrument is electrically connected to the controller, the ripple for the wave that the wave height recorder detection high-power wave making system of hydraulic vibration-type actually generates
Height, and the wave height is transferred to controller；Further, controller to it is actually detected go out wave height and the default waveform join
Several wave height are compared, and calculate wave height deviation；Afterwards, controller according to the wave height deviation output control after algorithm controls
Signal is to adjust the oil pressure relief of the proportional pressure control valve.
Further, the fueller of the high-power wave making system of the hydraulic vibration-type includes variable-frequency motor and hydraulic pump,
The controller is electrically connected to the variable-frequency motor, and variable-frequency motor is connected to the hydraulic pump and variable-frequency motor can be with hydrodynamic pressure
Pump rotates, and is pumped so as to which controller can control hydraulic pump to rotate and draw fluid from fuel tank to hydraulic cylinder；Controller passes through control
The rotating speed of variable-frequency motor processed adjusts the output flow of hydraulic pump, to change the output flow range of flow speed control valve.
Further, the high-power wave making system of the hydraulic vibration-type is additionally provided with acceleration transducer, and the acceleration passes
Sensor is electrically connected to the controller；Acceleration transducer is used for the acceleration for detecting push wave plate, and the push wave plate that will be detected
Acceleration be transferred to controller, controller aids in push wave plate that corrected Calculation goes out according to the acceleration of the push wave plate received
Actual motion track.
There is following beneficial effect using the present invention：
1st, the present invention controls the commutation action of the piston of hydraulic cylinder using Spool rotating formula reversal valve, due to being connected to valve
The stepper motor of core rotating type change valve has preferably control characteristic so that the wave making system can be in wider commutating frequency
The movement locus of push wave plate is controlled under scope and preferably control accuracy.
2nd, the present invention uses the inserted valve with preferable through-flow characteristic, and the fluid of big flow can be exported to hydraulic cylinder, from
And it can make the wave making system that there is larger characteristics of output power.
3rd, the present invention can be controlled to inputting to flow, pressure and the direction of the fluid of hydraulic cylinder simultaneously, using not
The same comprehensive feedback control of control device and close-loop control mode, it is possible to achieve the wave simulation of multi-form and type.
4th, the present invention uses the modular control valve being made up of Spool rotating formula reversal valve and four basic inserted valves
Group, it uses the inserted valve of standardization and inserted valve tool has the advantage that：Through-current capability is big, suitable for big flow occasion；Valve element
It is active in one's movements, quickly；Good airproof performance, leakage is small, and it is small that fluid flows through the valve port pressure loss；It is simple in construction, it is easy to accomplish standardization.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the high-power wave making system of hydraulic vibration-type of the embodiment of the present invention；
Fig. 2 is the fundamental diagram for the control valve group that the embodiment of the present invention uses.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Fig. 1 shows the fundamental diagram of the high-power wave making system of hydraulic vibration-type of the present invention.Such as institute in Fig. 1
Show, the high-power wave making system of hydraulic vibration-type include push wave plate 10, hydraulic cylinder 20, control valve group 30, fueller, controller,
Fuel tank 4, flow speed control valve 6 and stepper motor 8.The piston rod 21 of the connection liquid cylinder pressure 20 of push wave plate 10, push wave plate 10 can be in piston rod
Straight reciprocating motion is done under 21 drive, push wave plate 10 promotes fluid media (medium) to generate simulated waves back and forth.
Fueller includes variable-frequency motor 51, hydraulic pump 52 and filter 53, and variable-frequency motor 51 is connected to hydraulic pump 52 simultaneously
Hydraulic pump 52 is driven to rotate, so as to which hydraulic pump 52 draws fluid by filter 53 from fuel tank 4, then through flow speed control valve 6 and control
Valve group 30 processed supplies fluid to hydraulic cylinder 20.Check valve 9 and flow sensor are provided between flow speed control valve 6 and control valve group 30
91, control valve group 30 is provided with A mouths, B mouths and P mouths and control valve group 30 includes Spool rotating formula reversal valve 35 and four insertings
Valve.The hydraulic cylinder is double acting piston hydraulic cylinder and is provided with e chambers, f chambers and E mouths, F mouths.
The annexation of each hydraulic component is as follows：The oil inlet of filter 53 is connected to fuel tank 4, filter 53 it is fuel-displaced
Mouth is connected to the oil inlet of hydraulic pump 52, and the oil-out of hydraulic pump 52 is connected to the oil inlet of flow speed control valve 6, flow speed control valve 6 it is fuel-displaced
Mouth is connected to the oil inlet of check valve 9, and the oil-out of check valve 9 is connected to the oil inlet of flow sensor 91, flow sensor
91 oil-out is connected to the P mouths of control valve group 30, and the A mouths of control valve group 30 are connected to the E mouths of hydraulic cylinder 20 so that and hydraulic pressure
The e chambers of cylinder 20 are connected, and the B mouths of control valve group 30 are connected to the F mouths of hydraulic cylinder 20 so as to be connected with the f chambers of hydraulic cylinder 20.
Spool rotating formula reversal valve 35 is provided with rotatable valve element, and stepper motor 8 is connected to Spool rotating formula reversal valve 35
Valve element.Controller is electrically connected in stepper motor 8, flow speed control valve 6 and variable-frequency motor 51, so as to which controller can control valve element
The rotating speed of the commutating frequency of rotating type change valve 35, the valve port size of flow speed control valve 6 and hydraulic pump 52.
As shown in Fig. 2 show the fundamental diagram of control valve group 30.Wherein, Spool rotating formula reversal valve 35 is provided with T0
Mouth, P0 mouths, A0 mouths and B0 mouths, the T0 mouths of Spool rotating formula reversal valve 35 are connected to fuel tank 4, the P0 of Spool rotating formula reversal valve 35
Mouth is connected with the P mouths of control valve group.
In addition, Spool rotating formula reversal valve 35 has two working positions, respectively left position and right position, stepper motor 8 drive
During the valve core rotation of Spool rotating formula reversal valve 35, the alternation of Spool rotating formula reversal valve 35 is in left position and right position.Valve element revolves
When rotatable reversal valve 35 is operated in left position, the A0 mouths of Spool rotating formula reversal valve 35 are connected with T0 mouths, and P0 mouths and B0 mouth phases
Connection；When Spool rotating formula reversal valve 35 is operated in right position, the T0 mouths of Spool rotating formula reversal valve 35 are connected with B0 mouths, and A0
Mouth is connected with P0 mouths.
Further, four inserted valves of control valve group 30 be respectively the first inserted valve 31, the second inserted valve the 32, the 3rd insert
The inserted valve 34 of valve 33 and the 4th is filled, the B1 mouths of the first inserted valve 31 and the B4 mouths of the 4th inserted valve 34 are connected to fuel tank 4, valve
The B0 mouths of core rotating type change valve 35 are connected to the X1 mouths of the first inserted valve 31 and the X3 mouths of the 3rd inserted valve 33, valve element rotation
The A0 mouths of rotatable reversal valve 35 are connected to the X2 mouths of the second inserted valve 32 and the X4 mouths of the 4th inserted valve 34.Control valve group 30
A mouths be connected respectively with the A1 mouths of the first inserted valve 31 and the A2 mouths of the second inserted valve 32, the B mouths of control valve group 30 respectively with
The A3 mouths of 3rd inserted valve 33 and the A4 mouths of the 4th inserted valve 34 are connected, the P mouths of control valve group 30 respectively with the second inserted valve
32 B2 mouths and the B3 mouths of the 3rd inserted valve 33 are connected.
The high-power wave making system of hydraulic vibration-type of the present invention also includes proportional pressure control valve 71, safety valve 72 and electromagnetism
Overflow valve 73, controller are electrically connected in proportional pressure control valve 71 and electromagnetic relief valve 73.Wherein, the oil-feed of electromagnetic relief valve 73
Mouth is connected to the oil-out of hydraulic pump 52, and the oil-out of electromagnetic relief valve 73 is connected to fuel tank 4.And proportional pressure control valve 71 enters
Hydraulic fluid port is connected to the P mouths of control valve group 30, and the oil-out of proportional pressure control valve 71 is connected to fuel tank 4.
In the embodiment shown in fig. 1, main oil is connected to according to proportional pressure control valve 71, safety valve 72 and electromagnetic relief valve 73
The difference of the position on road, have the function that respectively following different：1), can be with by changing the oil pressure relief value of proportional pressure control valve 71
Set inflow control valve group 30 and the work oil liquid pressure value of hydraulic cylinder 20.2) safety valve 72 plays the work of protection hydraulic system
With preventing the pressure of hydraulic system from exceeding safe pressure scope.3) during stopping making ripple work, it can control electromagnetic relief valve 73
Wave making system is set to be in unloading condition, now, no matter whether fueller works, and fluid returns to oil by electromagnetic relief valve 73
Case, further function as safety protection function.
Further, the high-power wave making system of hydraulic vibration-type of the present invention also includes set of sensors, sensor
Set includes acceleration transducer, displacement transducer, wave height recorder and flow sensor mentioned above 91, and controller is electric respectively
It is connected to acceleration transducer, displacement transducer, wave height recorder and flow sensor.Acceleration transducer and displacement transducer installation
In push wave plate 10 and it is used for acceleration and the displacement for measuring push wave plate 10, wave height recorder is installed in fluid media (medium) and made for measurement
The wave height of the wave of ripple system simulation generation.
In a kind of embodiment, hydraulic pump 52 is quantitative hydraulic pump, and the fluid flow of fueller output may only be by changing
The rotating speed for becoming variable-frequency motor 51 is adjusted.In another embodiment, hydraulic pump 52 is volume adjustable hydraulic pump, and now, controller is electrically connected
The displacement adjusting mechanism of hydraulic pump 52 is connected to, so as to which controller can be by adjusting the rotating speed of variable-frequency motor 51 or adjusting liquid
The discharge capacity of press pump 52 adjusts the rwo to control the fluid flow that fueller exports simultaneously.
The composition and connected mode of the high-power wave making system of hydraulic vibration-type of the present invention are described above
On the basis of, the operation principle of the wave making system is described further below.
With reference to Fig. 1 and Fig. 2, the flow path of the work fluid of wave making system is：Fluid is since fuel tank 4, in hydraulic pump
Under 52 pump action, flow into control by filter 53, hydraulic pump 52, flow speed control valve 6, check valve 9 and flow sensor 91 successively
The P mouths of valve group 30 processed.
Afterwards, if control valve group 30 is operated in left position, fluid is from the P mouths of control valve group through Spool rotating formula reversal valve 35
P0 mouths and B0 mouths flow to the X1 mouths of the first inserted valve 31 and the X3 mouths of the 3rd inserted valve 33, so as to which the first inserted valve 31 and the 3rd is inserted
Dress valve 33 is in not on-state in the presence of high-voltage oil liquid.And the X2 mouths of the second inserted valve 32 and the X4 of the 4th inserted valve 34
A0 mouth and T0 mouth of the mouth through Spool rotating formula reversal valve 35 are connected with fuel tank 4, due to B2 mouths and the control of the second inserted valve 32
The P mouths of valve group 30 are connected, therefore the second inserted valve 32 is in the conduction state in the presence of high-voltage oil liquid.Therefore fluid is flowing into
After the P mouths of control valve group 30, B2 mouths and A2 mouths through the second inserted valve 32 flow to the A mouths of control valve group 30, finally, fluid
E chambers are flowed into from the E mouths of hydraulic cylinder 20, and high-voltage oil liquid promotes the piston of hydraulic cylinder 20 to the right (by taking arranged direction shown in Fig. 1 as an example)
Motion, so as to which piston rod 21 drives push wave plate 10 to move right.And the fluid in the f chambers of hydraulic cylinder 20 is through F mouths and control valve
The B mouths of group 30 and A4 mouths, the B4 mouths of the 4th inserted valve 34 flow back to fuel tank.
Conversely, if control valve group 30 is operated in right position, fluid is from the P mouths of control valve group through Spool rotating formula reversal valve 35
P0 mouths and A0 mouths flow to the X2 mouths of the second inserted valve 32 and the X4 mouths of the 4th inserted valve 34, so as to which the second inserted valve 32 and the 4th is inserted
Dress valve 34 is in not on-state in the presence of high-voltage oil liquid.And the X1 mouths of the first inserted valve 31 and the X3 of the 3rd inserted valve 33
B0 mouth and T0 mouth of the mouth through Spool rotating formula reversal valve 35 are connected with fuel tank 4, due to B3 mouths and the control of the 3rd inserted valve 33
The P mouths of valve group 30 are connected, therefore the 3rd inserted valve 33 is in the conduction state in the presence of high-voltage oil liquid.Therefore fluid is flowing into
After the P mouths of control valve group 30, B3 mouths and A3 mouths through the 3rd inserted valve 33 flow to the B mouths of control valve group 30, finally, fluid
F chambers are flowed into from the F mouths of hydraulic cylinder 20, and high-voltage oil liquid promotes the piston of hydraulic cylinder 20 to the left (by taking arranged direction shown in Fig. 1 as an example)
Motion, so as to which piston rod 21 drives push wave plate 10 to left movement.And the fluid in the e chambers of hydraulic cylinder 20 is through E mouths and control valve
The A mouths of group 30 and A1 mouths, the B1 mouths of the first inserted valve 31 flow back to fuel tank.
Under the control of the controller, stepper motor 8 drives the Spool rotating of Spool rotating formula reversal valve 35, makes Spool rotating
The alternation of formula reversal valve 35 is in left position and right position, so as to which the circulation of piston rod 21 of hydraulic cylinder 20 drives push wave plate 10 to do straight line
Move back and forth, push wave plate 10 generates simulated waves with this in fluid media (medium).
On the basis of the operation principle of the above-mentioned high-power wave making system of hydraulic vibration-type, to suitable for the wave making system
Control method do part elaboration.
Start the high-power wave making system of hydraulic vibration-type, presetting in the controller will be high-power by hydraulic vibration-type
The waveform parameter of the wave of wave making system simulation, waveform parameter include wavelength and wave height.Controller is according to the waveform set
Parameter calculates the predetermined movement track of push wave plate 10, and the trajectory parameters of the predetermined movement track of push wave plate 10 include push wave plate 10
Displacement and translational speed.
After the high-power wave making system of hydraulic vibration-type starts, displacement transducer by it is actually detected go out push wave plate 10
Displacement sends to controller, controller and calculates push wave plate according to the displacement of the push wave plate 10 received and the time of combination record
Translational speed v1.Further, controller according to it is actually detected go out push wave plate 10 displacement and the push wave plate that calculates
10 translational speed draws out the actual motion track of push wave plate 10, then by the actual motion track of push wave plate 10 and default fortune
Dynamic rail mark compares, and draws movement locus deviation.Afterwards, controller exports control according to the movement locus deviation after algorithm controls
Signal processed is to adjust the rotating speed size of the valve port size of flow speed control valve 6 and stepper motor 8, so that the actual fortune of push wave plate 10
Dynamic track following predetermined movement track.This runs for the movement locus closed-loop control of push wave plate 10 and the closed loop control cycles.
The acceleration transducer set in the high-power wave making system of hydraulic vibration-type can be used for auxiliary to control and correct push wave
The actual motion track of plate 10.For example, the acceleration of acceleration transducer detection push wave plate 10 and the push wave plate 10 that will be detected
Acceleration be transferred to controller, controller is according to the acceleration of the push wave plate 10 received and combines time of record and calculates
The translational speed v2 of push wave plate 10, further, controller obtain average speed v according to translational speed v1 and v2, are then painting
Average speed v is used during the actual motion track of push wave plate 10 processed, in this way the push wave plate 10 to aid in corrected Calculation to go out
Actual motion track.
In addition, the wave height of wave that the wave height recorder detection high-power wave making system of hydraulic vibration-type actually generates, and by the ripple
High pass is to controller.Further, controller to it is actually detected go out wave height and the wave height of default waveform parameter compare
Compared with calculating wave height deviation.Afterwards, controller according to the wave height deviation after algorithm controls output control signal to adjust ratio
The oil pressure relief of overflow valve 71.
The algorithm above control can be pid algorithm control, or the other kinds of algorithm control for being served only for closed-loop control
System.
The purpose that can be seen that the control to the valve port size of flow speed control valve 6 from above-mentioned control method is that control flow to liquid
The flow of the fluid of cylinder pressure 20.And the purpose of the control of the oil pressure relief of comparative example overflow valve 71 is, control flow to hydraulic cylinder
The pressure of 20 fluid.If it is also known that not considering efficiency, the power output of hydraulic cylinder 20 is by flowing to hydraulic cylinder 20
The flow and pressure of fluid determine, final to influence to wave making system to be generated so as to also determine the power output of push wave plate 10
Simulated waves waveform parameter, such as wave height.And the commutating frequency of Spool rotating formula reversal valve 35 is (with stepper motor 8
Rotating speed about) also directly affect the waveform parameter of wave, such as wavelength.In flow speed control valve 6, stepper motor 8 and proportional pressure control valve 71
Comprehensive Control and closed-loop control effect under, can more preferably control the shape of generated wave.
Remove outside above-mentioned control, controller can also adjust the defeated of hydraulic pump 52 by controlling the rotating speed of variable-frequency motor 51
Outflow, to change the output flow range of flow speed control valve 6, so as to provide greater flexibility for the control of the flow of flow speed control valve 6.
In another embodiment, if hydraulic pump 52 is volume adjustable hydraulic pump, controller can also control the discharge capacity of hydraulic pump 52 to adjust
The output flow of hydraulic pump 52.
Claims (3)
1. the control method of the high-power wave making system of hydraulic vibration-type, the high-power wave making system of hydraulic vibration-type, including push away
Ripple plate, hydraulic cylinder, control valve group, fueller, controller and fuel tank, the push wave plate are connected to the piston of the hydraulic cylinder
Bar, the push wave plate can generate simulated waves, the fueller energy in the case where the linear reciprocation effect of the piston rod drives
Enough that fluid is drawn from the fuel tank and can supply fluid to the hydraulic cylinder by the control valve group, hydraulic vibration-type is big
Power wave making system also includes flow speed control valve and stepper motor, and the control valve group is provided with A mouths, B mouths and P mouths and the control valve
Group includes Spool rotating formula reversal valve and four inserted valves, and the Spool rotating formula reversal valve is provided with rotatable valve element, described
Stepper motor is connected to the valve element of the Spool rotating formula reversal valve；The hydraulic cylinder is double acting piston hydraulic cylinder and is provided with
E chambers, f chambers and E mouths, F mouths, the A mouths of the control valve group are connected to the E mouths of the hydraulic cylinder so as to the e with the hydraulic cylinder
Chamber is connected, and the B mouths of the control valve group are connected to the F mouths of the hydraulic cylinder so as to be connected with the f chambers of the hydraulic cylinder, institute
The oil inlet that fueller is connected to the flow speed control valve is stated, the oil-out of the flow speed control valve is connected to the P mouths of the control valve group；
The controller is electrically connected in the stepper motor, the flow speed control valve and the fueller；Characterized in that, start liquid
The high-power wave making system of oscillatory type is pressed, presetting in the controller will be by the high-power wave making system simulation of hydraulic vibration-type
The waveform parameter of wave, the waveform parameter include wavelength and wave height；Controller goes out according to the waveform parameter evaluation set
The predetermined movement track of push wave plate, the trajectory parameters of the predetermined movement track of the push wave plate include the displacement and movement of push wave plate
Speed；
The high-power wave making system of hydraulic vibration-type is provided with displacement transducer, starts in the high-power wave making system of hydraulic vibration-type
Afterwards, displacement transducer by it is actually detected go out the displacement of push wave plate send to controller, controller is according to the push wave received
The displacement of plate and the time of combination record calculate the translational speed of push wave plate；Further, controller according to it is actually detected go out
The displacement of push wave plate and the translational speed of the push wave plate calculated draw out the actual motion track of push wave plate, then will push away
The actual motion track of ripple plate draws movement locus deviation compared with predetermined movement track；Afterwards, controller is according to the motion
Trajector deviation after algorithm controls output control signal to adjust the rotating speed size of the valve port size of flow speed control valve and stepper motor,
So that the actual motion track following predetermined movement track of push wave plate；This is the movement locus closed-loop control of push wave plate and should
Closed loop control cycles are run；
The high-power wave making system of hydraulic vibration-type is additionally provided with proportional pressure control valve and wave height recorder, the oil-feed of the proportional pressure control valve
Mouth is connected to the oil-out of the flow speed control valve, and the oil-out of the proportional pressure control valve is connected to the fuel tank；The wave height recorder electricity
The controller is connected to, the wave height recorder detects the wave height for the wave that the high-power wave making system of hydraulic vibration-type actually generates,
And the wave height is transferred to controller；Further, controller to it is actually detected go out wave height and the default waveform parameter
Wave height be compared, calculate wave height deviation；Afterwards, controller according to the wave height deviation, believe by the output control after algorithm controls
Number to adjust the oil pressure relief of the proportional pressure control valve.
2. control method according to claim 1, it is characterised in that the confession of the high-power wave making system of hydraulic vibration-type
Oily device includes variable-frequency motor and hydraulic pump, and the controller is electrically connected to the variable-frequency motor, and variable-frequency motor is connected to described
Hydraulic pump and variable-frequency motor can drive hydraulic pump to rotate, so as to which controller can control hydraulic pump to rotate and draw oil from fuel tank
Liquid pumps to hydraulic cylinder；Controller adjusts the output flow of hydraulic pump by controlling the rotating speed of variable-frequency motor, to change speed governing
The output flow range of valve.
3. control method according to claim 1, it is characterised in that the high-power wave making system of hydraulic vibration-type is also set
There is acceleration transducer, the acceleration transducer is electrically connected to the controller；Acceleration transducer is used to detect push wave plate
Acceleration, and the acceleration of the push wave plate detected is transferred to controller, controller according to the push wave plate received plus
The actual motion track for the push wave plate that velocity aid corrected Calculation goes out.
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| CN106353070B (en) * | 2016-09-30 | 2019-01-11 | 武汉菲仕运动控制系统有限公司 | A kind of wave maker motion control method and system |
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| CN108105174A (en) * | 2016-11-25 | 2018-06-01 | 天津晟金创科技有限公司 | Automatically controlled pressure relief mechanism with pressure holding function |
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| CN107271140B (en) * | 2017-06-30 | 2019-05-21 | 大连理工大学 | A method of Mechanics of Extreme Wave is generated in experimental trough specified location |
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| CN107906066B (en) * | 2017-11-14 | 2019-05-28 | 浙江大学宁波理工学院 | It rushes case and makes wave hydraulic system |
| CN108362471B (en) * | 2017-12-04 | 2019-10-18 | 中国特种飞行器研究所 | One kind being based on multiple degrees of freedom adjustable water power seakeeping test multiple-unit device |
| CN110469551B (en) * | 2019-08-26 | 2021-08-27 | 北京航天发射技术研究所 | Filling hydraulic system based on proportional bypass speed regulation control |
| CN112594255B (en) * | 2021-01-26 | 2022-05-17 | 太原理工大学 | High-power load simulation system based on cartridge valve and use method |
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| KR100606203B1 (en) * | 2004-04-19 | 2006-07-31 | 주식회사 디앤에스 | A concrete-mortar transfer system of concrete pump car |
| JP4761075B2 (en) * | 2007-06-11 | 2011-08-31 | 東洋建設株式会社 | Drum-type centrifugal loading device and tsunami wave experiment method |
| CN103806406B (en) * | 2014-02-24 | 2015-08-26 | 浙江大学宁波理工学院 | A kind of wave making machine based on hydraulic driving mode |
| CN104162967B (en) * | 2014-08-04 | 2016-08-17 | 浙江大学 | The fast hydraulic pressure of hydraulic injection molding machine controls device |
| CN104215568A (en) * | 2014-08-26 | 2014-12-17 | 钟小强 | Artificial wave environment simulating device |
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