CN207585871U - Shake table magnetic suspension control system and shake table with position, Torque Control - Google Patents
Shake table magnetic suspension control system and shake table with position, Torque Control Download PDFInfo
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- CN207585871U CN207585871U CN201721808234.4U CN201721808234U CN207585871U CN 207585871 U CN207585871 U CN 207585871U CN 201721808234 U CN201721808234 U CN 201721808234U CN 207585871 U CN207585871 U CN 207585871U
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Abstract
The utility model discloses a kind of shake table magnetic suspension control systems and shake table with position, Torque Control.Shake table magnetic suspension control system with position, Torque Control includes：Control mechanism is connect with power amplifier；Power amplifier is connect with jigging platform moving coil, and can be by the driving coil of output after the vibration signal that control mechanism provides and the moving-coil position signal that regulating mechanism provides processing to moving-coil；Position sensor is connect with control mechanism；Regulating mechanism is connect with power amplifier and position sensor；The power amplifier, control mechanism and shake table form the first control ring, and the regulating mechanism, power amplifier, shake table and position sensor form the second control ring.Control system provided by the utility model makes moving-coil be maintained at any position in effective travel, while realize levitation position control and Torque Control, while avoids influence of the moving-coil spare system to technical indicator using magnetic suspension mode.
Description
Technical field
The utility model is related to a kind of electric shaketalle test equipment control technologies, more particularly to a kind of to have position
It puts, the shake table magnetic suspension control system and shake table of Torque Control, belongs to shake table technical field.
Background technology
Electric vibration testing bench (hereinafter referred to as shake table) is that one kind can generate and control vibration, and this kind will shake
Equipment dynamic to be added on test specimen (product or component i.e. to be measured), that vibration test is carried out to the test specimen.Vibration in this way
Experiment can evaluate the anti-seismic performance of a product, for the product quality is examined to provide rational basis, therefore, be widely used in boat
My god, navigation, ship, automobile, electronics, communication, the industries such as household electrical appliances and instrument and meter.
Shake table is designed using electric and magnetic oscillation principle, about one-hundred-year history existing till now since being born from shake table,
Its component part never has big variation, and structure is mainly by stage body (magnetic cylinder, magnetic cylinder cap, iron core, magnetic cylinder bottom), excitation wire
A few part compositions such as circle, moving-coil, mechanicalness holder suspension supporting device, guider, cooling device and driving circuit；Wherein, moving-coil
Mainly it is made of work top and the driving coil being wound on work top skeleton；Driving circuit mainly by Setting signal source and
Power amplifier is formed, they provide electric energy to driving coil.When shake table works, DC current is passed through in magnet exciting coil, then
Stationary magnetic field is generated in the working gas gap of stage body；Support, which is positioned at, to be passed through driving circuit in the driving coil in working gas gap and carries
The alternating current of confession so as to generate alternating magnetic field, due to the interaction of alternating magnetic field and stationary magnetic field, is produced and certain is swashed
Shake power, push moving-coil around the centre of oscillation up and down or left and right vibrates back and forth.
Shake table in the operating condition, any position for how being maintained in effective travel and realizes different torque adjustings
It is highly important.Shake table is additional during operation generally using structures such as air spring or hydraulic spring grease cups at present
These devices can influence the technical indicators such as the distortion factor of shake table, oscillation crosswise.
Utility model content
The main purpose of the utility model is that provide a kind of shake table magnetic suspension control system with position, Torque Control
System and electric vibration table, with overcome the deficiencies in the prior art.
To realize aforementioned purpose of utility model, the technical solution adopted in the utility model includes：
The utility model provides a kind of shake table magnetic suspension control system with position, Torque Control, including：
Control mechanism is connect with power amplifier, and at least can provide vibration signal to power amplifier,
Power amplifier is connect with jigging platform moving coil, and can be by vibration signal that control mechanism provides and adjusting
It is exported after the moving-coil position signal processing that mechanism provides to the driving coil of moving-coil,
Position sensor is connect with control mechanism, and can at least obtain moving-coil location information and moving acquisition
Circle location information feeds back to control mechanism,
Regulating mechanism is connect with power amplifier and position sensor, and the moving-coil that can obtain position sensor
Power amplifier is fed back to after position signal adjusting processing,
The power amplifier, shake table controller and shake table form the first control ring, the regulating mechanism, power
Amplifier, shake table and position sensor form the second control ring.
Further, the sensor and the non-contact connection of moving-coil.
Further, the position sensor is set on shake table stage body.
Further, the regulating mechanism includes PID regulator.
The utility model additionally provides a kind of electric vibration table, including the shake table with position, Torque Control
Magnetic suspension control system, driving coil and the magnetic of the jigging platform moving coil float voltage input and connect.
Compared with prior art, include the advantages of the utility model：It is provided by the utility model that there is position, Torque Control
Shake table magnetic suspension control system, moving-coil is made to be maintained at any position of effective travel using magnetic suspension mode, realized simultaneously
Position controls and Torque Control, while avoids influence of the moving-coil spare system to technical indicator.
Description of the drawings
Fig. 1 is a kind of shake table magnetic suspension control with position, Torque Control in one exemplary embodiments of the utility model
The structure diagram of system processed；
Fig. 2 is a kind of shake table magnetic suspension control with position, Torque Control in one exemplary embodiments of the utility model
The physical layer control block diagram of system processed；
Fig. 3 is a kind of shake table magnetic suspension control with position, Torque Control in one exemplary embodiments of the utility model
The workflow schematic diagram of system processed；
Reference sign：1- controllers, 2- power amplifiers, 3- moving-coils, 4- position sensors, 5-PID adjusters.
Specific embodiment
In view of deficiency of the prior art, inventor is able to propose that this practicality is new through studying for a long period of time and largely putting into practice
The technical solution of type.The technical solution, its implementation process and principle etc. will be further explained as follows.
The utility model provides a kind of shake table magnetic suspension control system with position, Torque Control, including：
Control mechanism is connect with power amplifier, and at least can provide vibration signal to power amplifier,
Power amplifier is connect with jigging platform moving coil, and can be by vibration signal that control mechanism provides and adjusting
It is exported after the moving-coil position signal processing that mechanism provides to the driving coil of moving-coil,
Position sensor is connect with control mechanism, and can at least obtain moving-coil location information and moving acquisition
Circle location information feeds back to control mechanism,
Regulating mechanism is connect with power amplifier and position sensor, and the moving-coil that can obtain position sensor
Power amplifier is fed back to after position signal adjusting processing,
The power amplifier, shake table controller and shake table form the first control ring, the regulating mechanism, power
Amplifier, shake table and position sensor form the second control ring.
Further, the sensor and the non-contact connection of moving-coil.
Further, the position sensor is set on shake table stage body.
Further, the regulating mechanism includes PID regulator.
The utility model additionally provides a kind of electric vibration table, including the shake table with position, Torque Control
Magnetic suspension control system, driving coil and the magnetic of the jigging platform moving coil float voltage input and connect.
The technical solution, its implementation process and principle etc. will be further explained with reference to attached drawing as follows.
Referring to Fig. 1, a kind of shake table magnetic suspension control system with position, Torque Control, including：
Controller 1, power amplifier 2, position sensor 4 and PID regulator 5, position sensor 4 are set to shake table
On stage body, and the center location information of moving-coil 3 can be obtained, controller 1, power amplifier 2 and position sensor 4 are sequentially connected
The first control ring is formed, PID regulator 5, power amplifier 2 and position sensor 4 are in turn connected to form the second control ring.
Referring to Fig. 2, position sensor detection obtains the location information of jigging platform moving coil, and the location information of acquisition is anti-
It feeds controller and PID regulator, position sensor detection obtains the location information and moment information of jigging platform moving coil, a side
The location information input power of the jigging platform moving coil of acquisition is put after PID regulator signal condition, filtering, demodulation process in face
Big device, power amplifier output reason after signal, float electric current so as to adjust the magnetic in inputted vibration platform moving-coil driving coil
Size, to adjust the position of jigging platform moving coil and torque；Position sensor detection obtains the location information of jigging platform moving coil, another
Aspect feeds back to controller, and controller adjusts the vibration signal of input, power according to the location information of the jigging platform moving coil of acquisition
Amplifier will export after the vibration signal processing of input, and electric current is floated so as to adjust the magnetic in inputted vibration platform moving-coil driving coil
Size.Its workflow can be referred to shown in Fig. 3.
The utility model uses magnetic levitation control technology, saves above-mentioned support spring structure, while provide effective position
Control and Torque Control, so as to increase substantially the skills such as the electromagnetic vibration generator system distortion factor, oscillation crosswise ratio, effective frequency of use range
Art index, particularly suitable for measurement and calibration shake table.
Magnetic levitation control technology is applied to shake table by the utility model, and it is arbitrary in effective travel to realize shake table
Position controls, and the Torque Control of shake table is realized using power amplifier, has fully phased out the lower support addition line of shake table
System carries out suspension support by magnetic suspension.
Compared with prior art, the shake table magnetic suspension control system provided by the utility model with position, Torque Control
System, makes moving-coil be maintained at any position in effective travel, while realize position control and Torque Control using magnetic suspension mode,
Avoid influence of the moving-coil spare system to technical indicator simultaneously.
It should be appreciated that above-described embodiment is only the technical concepts and features for illustrating the utility model, it is ripe its object is to allow
The content of the utility model can be understood and implement according to this by knowing the personage of technique, can not limit the utility model with this
Protection domain.All equivalent change or modifications substantially made according to the spirit of the present invention, should all cover in the utility model
Within protection domain.
Claims (5)
1. a kind of shake table magnetic suspension control system with position, Torque Control, it is characterised in that including：
Control mechanism is connect with power amplifier, and at least can provide vibration signal to power amplifier,
Power amplifier is connect with jigging platform moving coil, and can be by vibration signal and regulating mechanism that control mechanism provides
It is exported after the moving-coil position signal processing of offer to the driving coil of moving-coil,
Position sensor is connect with control mechanism, and can at least obtain moving-coil location information and the moving-coil position by acquisition
Confidence breath feeds back to control mechanism,
Regulating mechanism is connect with power amplifier and position sensor, and the moving-coil position that can obtain position sensor
Power amplifier is fed back to after Signal Regulation processing,
The power amplifier, control mechanism and shake table form the first control ring, the regulating mechanism, power amplifier,
Shake table and position sensor form the second control ring.
2. the shake table magnetic suspension control system with position, Torque Control according to claim 1, it is characterised in that：Institute
State sensor and the non-contact connection of moving-coil.
3. the shake table magnetic suspension control system according to claim 1 or claim 2 with position, Torque Control, it is characterised in that：
The position sensor is set on shake table stage body.
4. the shake table magnetic suspension control system with position, Torque Control according to claim 1, it is characterised in that：Institute
It states regulating mechanism and includes PID regulator.
5. a kind of electric vibration table, it is characterised in that including there is position, Torque Control described in any one of claim 1-4
Shake table magnetic suspension control system, driving coil and the magnetic of the jigging platform moving coil float voltage input and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808234.4U CN207585871U (en) | 2017-12-21 | 2017-12-21 | Shake table magnetic suspension control system and shake table with position, Torque Control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808234.4U CN207585871U (en) | 2017-12-21 | 2017-12-21 | Shake table magnetic suspension control system and shake table with position, Torque Control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585871U true CN207585871U (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721808234.4U Active CN207585871U (en) | 2017-12-21 | 2017-12-21 | Shake table magnetic suspension control system and shake table with position, Torque Control |
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| CN (1) | CN207585871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211507A (en) * | 2018-10-30 | 2019-01-15 | 脉创测控装备科技（苏州）有限公司 | Environmental test system, shake table position control and control method |
-
2017
- 2017-12-21 CN CN201721808234.4U patent/CN207585871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211507A (en) * | 2018-10-30 | 2019-01-15 | 脉创测控装备科技（苏州）有限公司 | Environmental test system, shake table position control and control method |
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