CN206098077U - Current drive's electromagnetic actuator control system - Google Patents
Current drive's electromagnetic actuator control system Download PDFInfo
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- CN206098077U CN206098077U CN201620977905.9U CN201620977905U CN206098077U CN 206098077 U CN206098077 U CN 206098077U CN 201620977905 U CN201620977905 U CN 201620977905U CN 206098077 U CN206098077 U CN 206098077U
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Abstract
The utility model provides a current drive's electromagnetic actuator control system, include: based on the the control unit of ARM chip, the high -power pressure drive circuit, power management circuit, sensing modulate circuit, voltage electric current display module are traded in the circulation. The utility model discloses a ARMCortex the output quantity based on current drive's electromagnetic actuator is gathered to the AD module of the serial singlechip of M3, uses increment formula PID algorithm control output quantity, and process singlechip DA function converts analog voltage into, is the high -power pressure given in the transmission the circulation is traded drive circuit and as its input voltage, is converted the output state of corresponding output current control based on current drive's electromagnetic actuator into. The utility model discloses based on the control system of current drive's electromagnetic actuator can be real -time, accurate the output state of control executor to stronger adaptability and more extensive application have.
Description
Technical field
This utility model is related to precision machinery technology field, in particular it relates to the electromagnetic actuator control that a kind of electric current drives
System processed.
Background technology
Electromagnetic actuator as one of the key element monotechnics for constituting mechanical system, always various countries' mechanical investigations project
Total research contents.At present, electromagnetic actuator is toward precise treatment, intellectuality, industrialized development, once accurate Electromagnetic Drive Technology has
Broken through, it would be possible to construct practical precise control system on this basis, so as to drive precision optical machinery overall technology
It is all-round developing.In order that electromagnetic actuator is applied in precision mechanical system, current top priority is to try to improve electricity
The energy index of magnetic executor, and the generalization of accurate electromagnetic actuator and practical problem are solved based on this.But it is smart
Cipher telegram magnetic executor be unable to do without driving control system, and the static state and dynamic property of electromagnetic actuator are heavily dependent on driving
The performance of electric current.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide the electromagnetic actuator control that a kind of electric current drives
System processed.
The electromagnetic actuator control system of the electric current driving provided according to this utility model, including：Control based on ARM chips
Unit processed, high-power pressure-stream conversion driving circuit and sensing modulate circuit；The output of the electromagnetic actuator driven based on electric current
Status signal Jing sensing modulate circuits are transmitted to the control unit based on ARM chips, and by the control list based on ARM chips
Unit is sent after being converted into corresponding analogue signal to high-power pressure-stream conversion driving circuit；Driving is changed in the high-power pressure-circulation
The high-power current signal of circuit output is used for the output of the electromagnetic actuator that control is driven based on electric current.
Preferably, also including electric power management circuit, voltage x current display module, the electric power management circuit is for by 220V
Alternating voltage is converted to different amplitude DC voltages, and is respectively supplied to based on the control unit of ARM chips, high-power pressure-stream
Conversion driving circuit, operational amplifier and sensing modulate circuit；The voltage x current display module is used for display in real time and is based on
The electric current and magnitude of voltage of the electromagnetic actuator that electric current drives.
Preferably, the control unit based on ARM chips includes：A/D modules, ARM one-chip computer modules, D/A modules；
The A/D modules are connected with sensing modulate circuit by interface, for the simulation of sensing modulate circuit conveying is believed
ARM one-chip computer modules are transferred to after number being converted into corresponding digital signal；
The ARM one-chip computer modules are processed to the digital signal for receiving, and the result after process is transferred to D/A
Module；
The D/A modules are for being converted into corresponding analogue signal by the result of ARM one-chip computer modules, and are transferred to
High-power pressure-stream conversion driving circuit.
Preferably, the control unit based on ARM chips is adopted based on ARM Cortex-M3 series monolithics, to anticipate
The STM32F103 model chips of method semiconductor company are kernel control chip, are believed using the simulation of increment type PID algorithm controlled output
Number, input Ui of the analogue signal as high-power pressure-stream conversion driving circuit controls high-power pressure-circulation and changes circuit output
Corresponding current signal, the output of the electromagnetic actuator that the current signal control is driven based on electric current are described to be driven based on electric current
The output status signal Jing sensing modulate circuits of dynamic electromagnetic actuator feed back to the control unit based on ARM chips；In addition, institute
State the control unit based on ARM chips also to be communicated with host computer by RS232 communication interfaces, show in real time
The output state of dynamic electromagnetic actuator.
Preferably, the high-power pressure-stream conversion driving circuit is using PA340CC high power up amps and power
The power amplification circuit of MOSFET compositions, puts for the voltage signal of the control unit output based on ARM chips is converted into Jing
The big current signal for processing.
Preferably, the sensing modulate circuit adopts 8 rank Butterworth filter circuits, is driven based on electric current for filtering
Interference source in the output status signal of dynamic electromagnetic actuator, the interference source include：Friendship in high-frequency noise, magnetic field intensity
Stream composition.
Preferably, the electric power management circuit adopts half-bridge open loop type topological structure, for by 220V AC conversions being：
Positive and negative 60 volts of voltage, positive and negative 15 volts of voltage, positive 5 volts of voltage and positive 3.3 volts of voltage these four DC voltages；Wherein：Positive and negative 60
Volt voltage is supplied to high-power pressure-stream conversion driving circuit, and positive and negative 15 volts of voltage is supplied to operational amplifier, positive 5 volts of voltage with
And positive 3.3 volts of voltage is supplied to the control unit based on ARM chips.
Compared with prior art, this utility model has following beneficial effect：
The electromagnetic actuator control system that the electric current that this utility model is provided drives can be to the electromagnetism that driven based on electric current
Executor carries out real-time, accurate control, while set up by RS232 communication interfaces with host computer be connected, it is real-time by host computer
Show the output state of executor.
Description of the drawings
By reading the detailed description made to non-limiting example with reference to the following drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
The theory diagram of the electromagnetic actuator control system that Fig. 1 is driven for the electric current that this utility model is provided；
Fig. 2 changes circuit diagram for high-power pressure-circulation；
Fig. 3 is the circuit diagram of 8 rank Butterworth filter devices；
Fig. 4 is current rectifying and wave filtering circuit schematic diagram；
Fig. 5 is semibridge system switch DC-DC circuit diagram.
Specific embodiment
This utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands this utility model, but does not limit this utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some changes and improvements can also be made.
These belong to protection domain of the present utility model.
The electromagnetic actuator control system of the electric current driving provided according to this utility model, including：Control based on ARM chips
Unit processed, high-power pressure-stream conversion driving circuit and sensing modulate circuit；The output of the electromagnetic actuator driven based on electric current
Status signal Jing sensing modulate circuits are transmitted to the control unit based on ARM chips, and by the control list based on ARM chips
Unit is sent after being converted into corresponding analogue signal to high-power pressure-stream conversion driving circuit；Driving is changed in the high-power pressure-circulation
Circuit output control circuit signal is used for the output of the electromagnetic actuator that control is driven based on electric current.
The electromagnetic actuator control system that the electric current drives, also including electric power management circuit, voltage x current display module,
The electric power management circuit is for being converted to different amplitude DC voltages by 220V alternating voltages, and is respectively supplied to based on ARM
The control unit of chip, high-power pressure-stream conversion driving circuit and sensing modulate circuit；The voltage x current display module is used
In the electric current and magnitude of voltage that show the electromagnetic actuator driven based on electric current in real time.
The control unit based on ARM chips includes：A/D modules, ARM one-chip computer modules, D/A modules；
The A/D modules are connected with sensing modulate circuit by interface, for the simulation of sensing modulate circuit conveying is believed
ARM one-chip computer modules are transferred to after number being converted into corresponding digital signal；
The ARM one-chip computer modules are processed to the digital signal for receiving, and the result after process is transferred to D/A
Module；
The D/A modules are for being converted into corresponding analogue signal by the result of ARM one-chip computer modules, and are transferred to
High-power pressure-stream conversion driving circuit.
The control unit based on ARM chips is adopted based on ARM Cortex-M3 series monolithics, with STMicw Electronics
The STM32F103 model chips of company are kernel control chip, using increment type PID algorithm controlled output analogue signal, the mould
Intend signal as the input Ui of high-power pressure-stream conversion driving circuit, control is high-power, and that pressure-circuit output is changed in circulation is electric accordingly
Stream signal, the output of the electromagnetic actuator that the current signal control is driven based on electric current, the electromagnetism driven based on electric current
The output status signal Jing sensing modulate circuits of executor feed back to the control unit based on ARM chips；In addition, described be based on
The control unit of ARM chips is also communicated with host computer by RS232 communication interfaces, shows the electricity driven based on electric current in real time
The output state of magnetic executor.
High-power pressure-stream the conversion driving circuit is using PA340CC high power up amps and power MOSFET
The power amplification circuit of composition, for the voltage signal of the control unit output based on ARM chips is converted into amplified process
Current signal.
The sensing modulate circuit adopts 8 rank Butterworth filter circuits, for filtering the electricity driven based on electric current
Interference source in the output status signal of magnetic executor, the interference source include：Exchange in high-frequency noise, magnetic field intensity into
Point.
The electric power management circuit adopts half-bridge open loop type topological structure, for by 220V AC conversions being：Positive and negative 60
Volt voltage, positive and negative 15 volts of voltage, positive 5 volts of voltage and positive 3.3 volts of voltage these four DC voltages；Wherein：Positive and negative 60 volts of voltage
It is supplied to high-power pressure-stream conversion driving circuit, positive and negative 15 volts of voltage to be supplied to operational amplifier, positive 5 volts of voltage and positive 3.3
Volt voltage is supplied to the control unit based on ARM chips.
Specifically, the control unit based on ARM chips in this utility model for ARM Cortex-M3 series monolithics is
The output state of the electromagnetic actuator driven based on electric current is sent to ARM after sensing modulate circuit process by core controller
A/D modules, the displacement signal of simulation is converted into by digital signal by A/D modules and gives ARM process.ARM single-chip microcomputers will
The result of process is transferred to the D/A modules of inside, is converted to analogue signal by D/A modules, and analogue signal is transferred to high-power
Pressure-stream change-over circuit, as the input Ui of high-power pressure-stream conversion driving circuit, controls high-power pressure-circulation and changes circuit output
Corresponding current signal, controls the output of the electromagnetic actuator based on electric current driving.Communicated with host computer by USB interface,
Realize showing in real time the electromagnetic actuator output state driven based on electric current.
High-power pressure-stream conversion driving circuit in this utility model is the mould that ARM single-chip microcomputers are converted to by D/A
Plan voltage signal is converted to current signal and drives the corresponding amount of electromagnetic actuator output driven based on electric current.High-power pressure-stream
The input reference voltage Ui of change-over circuit, Q1 and Q2 are the power MOSFET of two mutual symmetries for working in Class B state, it
The power amplifying part that constitutes, IRF640 and IRF9640 is respectively adopted.Compared with conventional power transistor amplifier, use
The linear power amplifier that power MOSFET is constituted has that the good linearity, bandwidth, circuit are simple, temperature stability is good, reliable
The advantages of property is high.U2 selects PA340CC high power up amps, can export positive and negative 60V voltages.L1 is corresponding with R5 to be based on electric current
The electromagnetic actuator inductance of driving and resistance.
As shown in Fig. 2 the characteristic for having operational amplifier can be obtained
U+=U_
In formula：R11R12It is divider resistance；R13It is sampling resistor, from high-power accurate noninductive resistance.Formula shows, defeated
Go out electric current IoWith input voltage UiIt is directly proportional, it is unrelated with load.
Sensing modulate circuit in this utility model, the signal exported for the electromagnetic actuator driven based on electric current are deposited
In noise jamming.The operating frequency of the electromagnetic actuator driven based on electric current once, needs to use low pass filtered typically in hundreds of hertz
The interference sources such as the high-frequency noise in analog quantity, the alternating component in magnetic field intensity are filtered by ripple device.This circuit adopts sensor and 8
Rank Butterworth filter circuit, filters the high-frequency noise and alternating component in the signal of sensor acquisition.Its cut-off frequency
fc42 rank Butterworth filter devices cascades are become 8 rank Butterworth filter circuits, resistance value point by=100Hz
Wei not R11=2690.6, R12=28529, R21=3315.6, R22=23151, R31=7648.2,
R32=10036, R41=17032, R42=45067.Capacitance is respectively：
C11=0.33uf, C12=0.1uf, C21=0.33uf, C22=0.1uf, C31=0.33uf, C32=0.1uf, C41=
0.33uf,C42=0.1uf.
Electric power management circuit in this utility model adopts semibridge system topological structure, and the alternating voltage of 220V is just converted to
Minus 60 volts of twin voltages, positive and negative 15 volts of twin voltages and positive 5 volts and positive 3.3 volts of four kinds of DC voltages.Positive and negative 60 volts of twin voltages give big work(
Rate pressure-stream change-over circuit is powered, and positive and negative 15 volts of twin voltages are powered to operational amplifier, and 5 volts of voltages and 3.3 volts of voltages are mono- to ARM
Piece machine is powered.
Fig. 4 is current rectifying and wave filtering circuit, and X1 is electric fuse, plays circuit protection effect, once go wrong to fuse, cuts
Power-off pressure.D1 is full bridge rectifier, makes the alternating voltage of 220V, 50HZ become direct current piezoelectricity, R1 and C1 composition filter networks
It is filtered, input voltage of the DC voltage for obtaining as semi-bridge type DC-DC.
Topological structure of the Fig. 5 for semibridge system DC-DC, effects of two power switch pipe Q1 and Q2 in switch drive pulse
Under, it is alternately turned on and cut-off.When switching tube Q1 is turned on, under input voltage vin effect, electric current Jing Q1, primary
Winding N1, electric capacity C3 and electric capacity C2 give primary winding 1N excitations, while Jing secondary diodes D3, winding N2 are supplied to load
Electricity.When switching tube Q1 cut-offs, Q2 are turned on, input power Jing electric capacity C1, electric capacity C3 and primary winding N1, switching tube Q2
Primary winding excitation is given, while Jing secondary diode D4 powering loads.So, power supply by power switch pipe Q1,
Q2 to primary winding N1 excitations and is alternately load supplying.The pulse voltage amplitude of primary is Vin/2.Together
Sample, the voltage on electric capacity C1, C2 are also respectively Vin/2.
The self-balancing ability of semi-bridge type Switching Power Supply is strong, is difficult to make transformator as the ON time of Q1, Q2 is inconsistent
Magnetic saturation phenomenon is produced, causes power switch pipe Q1, Q2 to damage.When the ON time of Q1, Q2 is inconsistent, primary N1
The exciting current of winding is in different size, causes that the voltage on electric capacity C1, C2 is unequal, and exciting current is bigger, then corresponding electricity
Condenser voltage is less, so as to play a part of Self-balancing symmetrical.As the voltage on each power switch pipe only has input voltage
The half of Vin, so same power will be exported, the electric current flow through in each power switch pipe will increase and be twice.Change is led
Open up the dutycycle of pass, thus it is possible to vary the meansigma methodss of secondary side commutating voltage, so as to reach the purpose for changing output voltage Uo.
This utility model is understood in order to clearer, describe this utility model in detail with reference to accompanying drawing 1- Fig. 5 and embodiment.
Embodiment 1：The output displacement of giant magnetostrictive actuator is controlled by the control system built
As shown in accompanying drawing 1 is to Fig. 5, the control system of the electromagnetic actuator driven based on electric current, control system include anticipating
The core controller of the STM32F103 model chips of method semiconductor company, high-power pressure-stream change-over circuit, conditioning sensing circuit,
Electric power management circuit and voltage x current display module：
ARM Cortex-M3 series STM32F103 single-chip microcomputers, mainly using A/D, D/A function and serial ports transmission-receiving function.It is logical
The input that D/A ports are crossed with high-power pressure stream change-over circuit is connected, by A/D ports and laser displacement sensor and 8 rank bars
The outfan connection of the sensing modulate circuit of Te Wosi low pass filters composition, by RS232 serial communication interfaces and host computer
Connection.
The outfan of high-power pressure stream change-over circuit is connected with giant magnetostrictive actuator, giant magnetostrictive actuator it is defeated
Go out displacement to be detected by laser displacement sensor.
Voltage x current display module is connected with giant magnetostrictive actuator, for showing electric current and the execution of flowing through executor
The voltage at device two ends.
By the output current of the high-power pressure stream change-over circuit of ARM Cortex-M3 series STM32F103 Single-chip Controlling：It is single
The digital voltage amount of piece machine output is converted to analog voltage as the input letter of high-power pressure stream change-over circuit by D/A modules
Number, and then the size of control output end electric current controls the displacement of giant magnetostrictive actuator.
The output displacement size of giant magnetostrictive actuator is gathered by laser displacement sensor, it is low through 8 rank Butterworths
Bandpass filter filters high-frequency noise and AC signal, through the A/D modules of ARM Cortex-M3 series STM32F103 single-chip microcomputers
Be converted to digital signal.
ARM Cortex-M3 series STM32F103 single-chip microcomputers adopt increment type PID algorithm, control ultra-magnetic telescopic to perform
Device fast and accurately exports corresponding displacement.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change,
This has no effect on flesh and blood of the present utility model.Spy in the case where not conflicting, in embodiments herein and embodiment
Levy and arbitrarily can be mutually combined.
Claims (7)
1. the electromagnetic actuator control system that a kind of electric current drives, it is characterised in that include：Based on the control unit of ARM chips,
High-power pressure-stream conversion driving circuit and sensing modulate circuit；The output state letter of the electromagnetic actuator driven based on electric current
Number Jing sensing modulate circuit is transmitted to the control unit based on ARM chips, and is converted by the control unit based on ARM chips
To send after corresponding analogue signal to high-power pressure-stream conversion driving circuit；High-power pressure-stream the conversion driving circuit is defeated
Go out control circuit signal for control based on electric current driving electromagnetic actuator output.
2. the electromagnetic actuator control system that electric current according to claim 1 drives, it is characterised in that also including power supply pipe
Reason circuit, voltage x current display module, the electric power management circuit is for being converted to different amplitude direct currents by 220V alternating voltages
Voltage, and be respectively supplied to based on the control unit of ARM chips, high-power pressure-stream conversion driving circuit and sensing conditioning electricity
Road；The voltage x current display module is used for the electric current and magnitude of voltage for showing the electromagnetic actuator driven based on electric current in real time.
3. the electromagnetic actuator control system that electric current according to claim 1 drives, it is characterised in that described based on ARM
The control unit of chip includes：A/D modules, ARM one-chip computer modules, D/A modules；
The A/D modules are connected with sensing modulate circuit by interface, for the analogue signal of sensing modulate circuit conveying is turned
ARM one-chip computer modules are transferred to after turning to corresponding digital signal；
The ARM one-chip computer modules are processed to the digital signal for receiving, and the result after process is transferred to D/A moulds
Block；
The D/A modules are for being converted into corresponding analogue signal by the result of ARM one-chip computer modules, and are transferred to big work(
Rate pressure-stream conversion driving circuit.
4. the electromagnetic actuator control system that electric current according to any one of claim 1 to 3 drives, it is characterised in that
The control unit based on ARM chips is adopted based on ARM Cortex-M3 series monolithics, with ST Microelectronics
STM32F103 model chips are kernel control chip, using increment type PID algorithm controlled output analogue signal, the analogue signal
As the input Ui of high-power pressure-stream conversion driving circuit, control high-power pressure-circulation and change the corresponding electric current letter of circuit output
Number, the output of the electromagnetic actuator that the current signal control is driven based on electric current is described to be performed based on the electromagnetism that electric current drives
The output status signal Jing sensing modulate circuits of device feed back to the control unit based on ARM chips；In addition, described based on ARM cores
The control unit of piece is also communicated with host computer by RS232 communication interfaces, shows that the electromagnetism driven based on electric current is held in real time
The output state of row device.
5. the electromagnetic actuator control system that electric current according to claim 1 drives, it is characterised in that described high-power
Pressure-stream conversion driving circuit is the power amplification circuit constituted using PA340CC high power up amps and power MOSFET,
For the voltage signal of the control unit output based on ARM chips to be converted into the current signal of amplified process.
6. the electromagnetic actuator control system that electric current according to claim 1 drives, it is characterised in that the sensing conditioning
Circuit adopts 8 rank Butterworth filter circuits, for filtering the output state letter of the electromagnetic actuator driven based on electric current
Interference source in number, the interference source include：Alternating component in high-frequency noise, magnetic field intensity.
7. the electromagnetic actuator control system that electric current according to claim 2 drives, it is characterised in that the power management
Circuit adopts half-bridge open loop type topological structure, for by 220V AC conversions being：Positive and negative 60 volts of voltage, positive and negative 15 volts of voltage,
Positive 5 volts of voltage and positive 3.3 volts of voltage these four DC voltages；Wherein：Positive and negative 60 volts of voltage is supplied to high-power pressure-circulation to change
Drive circuit, positive and negative 15 volts of voltage are supplied to operational amplifier, positive 5 volts of voltage and positive 3.3 volts of voltage to be supplied to based on ARM cores
The control unit of piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977905.9U CN206098077U (en) | 2016-08-29 | 2016-08-29 | Current drive's electromagnetic actuator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977905.9U CN206098077U (en) | 2016-08-29 | 2016-08-29 | Current drive's electromagnetic actuator control system |
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| Publication Number | Publication Date |
|---|---|
| CN206098077U true CN206098077U (en) | 2017-04-12 |
Family
ID=58474551
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620977905.9U Active CN206098077U (en) | 2016-08-29 | 2016-08-29 | Current drive's electromagnetic actuator control system |
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| Country | Link |
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| CN (1) | CN206098077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169351A (en) * | 2016-08-29 | 2016-11-30 | 上海交通大学 | The electromagnetic actuator control system that electric current drives |
| CN108490823A (en) * | 2018-03-02 | 2018-09-04 | 北京航空航天大学 | High-precision field drives stored program controlled |
-
2016
- 2016-08-29 CN CN201620977905.9U patent/CN206098077U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169351A (en) * | 2016-08-29 | 2016-11-30 | 上海交通大学 | The electromagnetic actuator control system that electric current drives |
| CN106169351B (en) * | 2016-08-29 | 2019-02-22 | 上海交通大学 | The electromagnetic actuator control system of electric current driving |
| CN108490823A (en) * | 2018-03-02 | 2018-09-04 | 北京航空航天大学 | High-precision field drives stored program controlled |
| CN108490823B (en) * | 2018-03-02 | 2019-07-30 | 北京航空航天大学 | High-precision field drives stored program controlled |
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