CN106325348A - Method of control multi-mode power - Google Patents
Method of control multi-mode power Download PDFInfo
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- CN106325348A CN106325348A CN201610766438.XA CN201610766438A CN106325348A CN 106325348 A CN106325348 A CN 106325348A CN 201610766438 A CN201610766438 A CN 201610766438A CN 106325348 A CN106325348 A CN 106325348A
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- control
- power supply
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- power
- temperature
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Abstract
The method of control multi-mode power belongs to the technical field of power control, which can solve the problem of how to provide a power control technology of being provided with multiple control modes and achieving precise temperature control. The method of control multi-mode power of the invention is to connect equipment firstly. Then, build power configuration file in the computer. Set the power configuration and save it. Next, read the power configuration file. And judge whether the file format of the power configuration file is correct or not. If incorrect, change the power configuration file and judge the file format again. If correct, initialize the programmable power, and judge that the control mode of the programmable power is power open loop control mode, power switch control mode or power PID control mode. Finally, control the programmable power according to the control flow of each control mode until the power control is over. The control method is provided with multiple control modes, which can control the output power of heating equipment flexibly through demands to obtain the heat flux and temperature which is needed. The method of control multi-mode power is provided with wide application prospect in the ground environment text of aerospace product.
Description
Technical field
The invention belongs to power supply and control technical field, be specifically related to a kind of multi-mode electrically operated control method, be particularly suited for
Power supply in the test of space product ground environment controls.
Background technology
The purpose of space product ground environment test is intended in ground-testing plant simulate space product institute in space
Can the various environment and their effect that stand normally work to check space product stand the test of these environment.Boat
The test of it product ground environment is an important step in space product development process, and wherein, heat flux simulation and temperature control
Accuracy reliability and the effectiveness of heat test result are had a major impact.Heat flux simulation and temperature controlled form have many
Kind, wherein, constant heat flux simulation and steady temperature control in space product heat test most commonly seen, the most the most key.Constant
Heat flux simulation is to provide constant current or voltage by programmable power supply to firing equipment, thus obtains constant heat flux.Steady temperature
Control the boundary condition being generally used for simulating ground environment test, controlled the border of temperature constant by the regulation of hot-fluid, i.e.
Constantly regulate and control the size of firing equipment output.Therefore, two kinds of power supplys are at least needed to control in space product environmental test
Required hot-fluid and temperature in pattern simulation test respectively.But in prior art, the ground environment test electricity of space product
Source control model can only realize simple function, applies limited.
It addition, for some space products tightened up to temperature requirement, such as space optical remote sensor, ground environment is tested
In must realize accurate temperature controlling, conventional closed loop control mode control accuracy is at ± 1 DEG C, it is difficult to realizes ± 0.1 DEG C accurately control
Temperature, accordingly, it would be desirable to temperature-controlled precision higher power supply control model.
To sum up, urgent needs one possesses multi-control modes, it is possible to realizes the power control method of accurate temperature controlling, meets
The demand of space product heat test.
Summary of the invention
Solving the technical problem that of the present invention is how to provide one to possess multi-control modes, it is possible to realize accurate temperature controlling
Power control method.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem takes.
Multi-mode electrically operated control method, step is as follows:
Step one, being connected with switch by computer, being divided into by firing equipment multiple with target device needs heating
The most multiple thermal treatment zone, position, each thermal treatment zone is connected with one end of one or more programmable power supplys, all program-controlled electrics
The other end in source is all connected with switch, fixes a temperature sensor in each position needing heating of target device, all
One end of temperature sensor is all connected with one end of temperature sensor, and the other end of temperature sensor is connected with switch；
Described computer includes control module, display module and power data memory module, and temperature sensor includes temperature
Data memory module；
Step 2, in a computer establishment power configuration file, set power configuration and also preserve；
Described power configuration includes electricity source IP address, the explanation of power supply correspondence target device heating location, predetermined current/voltage
Value, power protection current/voltage, power supply control model, target temperature value, collection temperature value in temperature data memory module
Store name, temperature data store path, power data store path and pid control parameter；
Described power supply control model is that power supply open loop control mode, on and off switch control model or power supply PID control mould
Formula；
Step 3, control module read power configuration file, it is judged that the file format of power configuration file is the most correct, as
The most incorrect, display module prompting errors present, control module quits work, and carries out step 4, if correctly, control module control
Processing procedure control power initialization, carries out step 5；
Step 4, according to prompting errors present change power configuration file preserving, return step 3；
Step 5, control module judge the control model of programmable power supply, if power supply open loop control mode, perform step
Six, if on and off switch control model, perform step 7, if power supply PID control model, perform step 8；
Step 6, power supply open loop control mode:
Predetermined current/magnitude of voltage is sent to programmable power supply through switch by 6a, control module；
Instruction works pressed by 6b, programmable power supply, and output electric current during work and output voltage are fed back to control through switch
Molding block；
6c, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply, output electric current, output and loop resistance value；
6d, return step 6a, until power supply controls to terminate；
Step 7, on and off switch control model:
7a, the temperature value of temperature sensor collecting temperature sensor, and the temperature value of collection is stored to temperature data and deposit
Storage module；
7b, control module read the temperature value gathered through switch from temperature data memory module, it is judged that this temperature value is
No higher than target temperature value, if it is decided that result is yes, control module by input current/input voltage that numerical value is 0 through exchange
Machine is sent to programmable power supply, if it is decided that result is no, and predetermined current/magnitude of voltage is sent to program control by control module through switch
Power supply；
Instruction works pressed by 7c, programmable power supply, and by anti-through switch to output electric current and the output voltage of now programmable power supply
It is fed back to control module；
7d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply, output electric current, output and loop resistance value；
7e, return step 7a, until power supply controls to terminate；
Step 8, on and off switch control model:
8a, the temperature value of temperature sensor collecting temperature sensor, and the temperature value of collection is stored to temperature data and deposit
Storage module；
8b, control module read the temperature value gathered through switch from temperature data memory module, calculate the temperature gathered
Value and the difference of target temperature value, calculate the input current/input voltage of programmable power supply, it is judged that this is defeated according to PID computing formula
Enter whether electric current/input voltage exceedes protective current/voltage, if it does not, sent through switch by this input current/input voltage
To programmable power supply, if it is, protective current/voltage is sent to programmable power supply through switch；
Instruction works pressed by 8c, programmable power supply, and by anti-through switch to output electric current and the output voltage of now programmable power supply
It is fed back to control module；
8d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply, output electric current, output and loop resistance value；
8e, return step 8a, until power supply controls to terminate.
Further, described computer is multiple stage, constitutes LAN by network TCP/IP, it is achieved in LAN
All computers can remotely control the work of multiple programmable power supply.
Further, described temperature sensor is thermocouple class, critesistor class or platinum resistance class.
Further, in described step 3, it is judged that the file format of power configuration file is the most correctly: judge field with
Interval between field is the most identical and electric source IP address is the most unique, the most correct, is not the most incorrect.
Further, in described step 7, also including step 7f, control module calculates dutycycle.
Further, described control module single in can calling power data memory module/the going through of multiple programmable power supply
History data, control display module display historical data curve.
Compared with prior art, the invention has the beneficial effects as follows:
There are three kinds of control models in the multi-mode electrically operated control method of the present invention, can be according to the difference of the demand of use, spirit
Live and control the output of firing equipment, thus obtain hot-fluid or the temperature of needs, in the ground environment of space product is tested
It is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the device connection diagram of the multi-mode electrically operated control method step one of the present invention；
Fig. 2 is the control flow chart of the multi-mode electrically operated control method of the present invention；
In figure, 1, computer, 2, switch, 3, programmable power supply, 4, firing equipment, 5, target device, 6, temperature sensor,
7, temperature sensor.
Detailed description of the invention
The present invention is further illustrated below in conjunction with accompanying drawing.
As it is shown in figure 1, the multi-mode electrically operated control method of the present invention, step is as follows:
Step one is as it is shown in figure 1, connect equipment: be connected with switch 2 by Equations of The Second Kind netting twine by computer 1, will heating
Equipment 4 is divided into and more than 5 the most multiple thermals treatment zone, position needing heating of target device, and copper is passed through in each thermal treatment zone
Line is connected with one end of one or more programmable power supplys 3, and the other end of all programmable power supplys 3 is all by Equations of The Second Kind netting twine and exchange
Machine 2 connects, and fixes a temperature sensor 6, the one of all temperature sensors 6 in each position needing heating of target device 5
End is all connected by one end of temperature sensor wiring with temperature sensor 7, and the other end of temperature sensor 7 passes through Equations of The Second Kind net
Line is connected with switch 2；
Wherein, computer 1 includes control module, display module and power data memory module；Calculate if there is multiple stage
Machine 1, it is possible to use network TCP/IP, constitutes LAN, it is achieved in LAN, all computers are the most remote controlled multiple
Programmable power supply 3 works.Programmable power supply 3 can use the N5700 series high-precision program control DC source of Agilent company, electric current
Output accuracy is up to 0.02A.The specification of copper cash can be 0.35mm2.Target device 5 is placed in firing equipment 4, can be with heating
Equipment 4 contacts, i.e. firing equipment 4 is arranged on the surface of target device 5, it is also possible to do not contact with firing equipment 4, i.e. target device
5 are placed in the space that firing equipment 4 is formed.The type of temperature sensor 6 does not limit, and can be thermocouple class, critesistor
Class or platinum resistance class.Temperature sensor 7 includes temperature data memory module.
Step 2, in computer 1, create power configuration file, set power configuration and also preserve；
Power configuration file is the input file of control module, is also only input file, affects whole control method,
Power configuration file, frequently with power configuration table, specifically includes electricity source IP address, power supply correspondence target device 5 heating location and says
Bright, predetermined current/magnitude of voltage, power protection current/voltage, power supply control model, target temperature value, collection temperature value in temperature
Store name in degrees of data memory module, temperature data store path, power data store path, pid control parameter etc.；
Wherein, electricity source IP address can sets itself as required, but to ensure its uniqueness, power protection current/voltage
Being determined by power supply self performance, predetermined current/magnitude of voltage is that those skilled in the art are calculated according to heat balance equation, presets
Current/voltage value and target temperature value are less than power protection current/voltage, and the temperature value of collection is in temperature data memory module
In title, temperature data store path and power data store path be arranged as required to, pid control parameter is Kp, Ki,
Kd, those skilled in the art can be obtained by well-known way, and power supply control model selects as required.It should be noted that
Power configuration connects according to hardware and there is corresponding relation, after i.e. electricity source IP address determines, and power supply correspondence target device 5 heating location
Illustrating to be the heating location of target device 5 corresponding to the power supply of this IP address, predetermined current/magnitude of voltage is this IP address
Predetermined current/the magnitude of voltage of the heating location of the target device 5 that power supply is corresponding, power protection current/voltage is this IP address
The protective current of power supply, power supply control model is the heating location needs of target device 5 corresponding to the power supply of this IP address
Control model, target temperature value is the target temperature value of the heating location of target device 5 corresponding to the power supply of this IP address,
The power supply pair of this IP address that the temperature value gathered the i.e. temperature sensor 7 of store name in temperature data memory module gathers
The temperature of the temperature sensor 6 at the heating location of the target device 5 answered store name in temperature data memory module,
Pid control parameter is the pid control parameter of this target device 5 heating location；
Step 3, control module read power configuration file, and judge that the file format of power configuration file is the most correct,
Be typically to judge interval between field and field the most identical (such as whether be all 2 spaces, the most correctly, be not the most not
Correctly, this judgement is to ensure that control module completely reads power configuration file) and whether electricity source IP address is unique (as only
Correct first, if not unique, the most incorrect), if incorrect, control module controls display module prompting errors present, controls
Module from service, carries out step 4, if correctly, control module controls programmable power supply 3 and initializes, and carries out step 5；
Step 4, according to prompting errors present change power configuration file preserving, return step 3；
Step 5, control module judge the control model of programmable power supply 3, determine pattern 0, pattern 1 or pattern 2, if
It is pattern 0, performs step 6, if pattern 1, perform step 7, if pattern 2, perform step 8；
Step 6, pattern 0 are power supply open loop control mode, and the most single current/voltage of power supply opened loop control controls, will control
The result feedback of system, detailed process is:
Predetermined current/magnitude of voltage is sent to programmable power supply 3 through switch 2 by 6a, control module；
6b, programmable power supply 3 are by instruction works, and output electric current during work and output voltage are fed back to through switch 2
Control module；
6c, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply 3, output electric current, output and loop resistance value；
6d, return step 6a, until power supply controls to terminate.
Step 7, pattern 1 are on and off switch control model, and on and off switch control model is the one of closed loop control, closed loop
The result that control will control feeds back and compares with setting value, and adjusts control action according to their fiducial value.Power supply is opened
Closing control model is the temperature measurement result fed back to be compared with target temperature value, controls whether power supply works, and specifically controls
Process processed is:
7a, the temperature value of temperature sensor 7 collecting temperature sensor 6, and the temperature value of collection is stored to temperature data
Memory module；
7b, control module read the temperature value gathered through switch 2 from temperature data memory module, it is judged that this temperature value is
No higher than target temperature value, if it is decided that result is yes, control module by input current/input voltage that numerical value is 0 through exchange
Machine 2 is sent to programmable power supply 3, i.e. programmable power supply 3 and does not works, if it is decided that result is no, and control module is by predetermined current/voltage
Value is sent to programmable power supply 3 through switch 2；
7c, programmable power supply 3 are by instruction works, and by the output electric current of now programmable power supply 3 and output voltage through switch 2
Feed back to control module；
7d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply 3, output electric current, output and loop resistance value；
7e, return step 7a, until power supply controls to terminate.
In this control model, it is also possible to include step 7f, control module calculates dutycycle, i.e. calculates and specifies electricity in the time period
The time that source is opened accounts for the ratio of whole time, and as a percentage, desired data is directly read from power data memory module
Take.
Step 8, pattern 2 are power supply PID control model, and power supply PID controls the one for closed loop control, is according to feedback
Difference between temperature measurement result and the target temperature value returned, progressively adjusts electric power outputting current/voltage, thus reaches essence
The really purpose of temperature control, concrete control process is:
8a, the temperature value of temperature sensor 7 collecting temperature sensor 6, and the temperature value of collection is stored to temperature data
Memory module；
8b, control module read the temperature value gathered through switch 2 from temperature data memory module, calculate the temperature gathered
Value and the difference of target temperature, calculate the input current/input voltage of programmable power supply 3, it is judged that this input according to PID computing formula
Whether electric current/input voltage exceedes protective current/voltage, if it does not, sent through switch 2 by this input current/input voltage
To programmable power supply 3, if it is, protective current/voltage is sent to programmable power supply 3 through switch 2；
8c, programmable power supply 3 are by instruction works, and by the output electric current of now programmable power supply 3 and output voltage through switch 2
Feed back to control module；
8d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, will output
Voltage, output electric current, output and loop resistance value store to power data memory module, and control display module and show in real time
The output voltage of programmable power supply 3, output electric current, output and loop resistance value；
8e, return step 8a, until power supply controls to terminate.
The present invention is during actual control, according to specific needs, can select a position control for target device 5
System, it is also possible to select the multiple position controls for target device 5.But from the point of view of the control of each position of target device 5,
The programmable power supply 3 being connected with the thermal treatment zone of firing equipment 4 for the thermal treatment zone of its firing equipment 4 heated, the temperature sensing its temperature
Degree sensor 6, and electricity source IP address, predetermined current/magnitude of voltage, power protection electric current, power supply control model, target temperature
Value, the temperature value title in temperature data memory module gathered, pid control parameter are all corresponding.
The present invention during actual control, the data of the programmable power supply 3 that display module shows, select according to actual needs
Select, can be to show the output voltage of a programmable power supply 3, output electric current, output and loop resistance value, it is also possible to be display
Multiple programmable power supplys 3 output voltage, output electric current, output and loop resistance value.
In the present invention, control module can control display module display history curve, and history curve shows it is with power supply number
Based on memory module, from power data memory module, directly read the historical data in the appointment time period (as used
LabSQL database access instrument reads), and show in graph form, reflect the defeated of single/multiple programmable power supply 3 intuitively
Go out voltage, output electric current, output, the change procedure of loop resistance value.
In the present invention, the loop resistance value that the calculating of loop resistance value is mainly used for measuring with the preparatory stage compares, side
Just operator judge whether heating circuit exists short circuit/breaking phenomena, the measurement of preparatory stage loop resistance value and short circuit/open circuit
Judgement be those skilled in the art know technology.
Claims (6)
1. multi-mode electrically operated control method, it is characterised in that step is as follows:
Step one, computer (1) is connected with switch (2), firing equipment (4) is divided into and target device (5) multiple need
The most multiple thermal treatment zone, position to be heated, each thermal treatment zone is connected with the one end of one or more programmable power supplys (3),
The other end of all programmable power supplys (3) is all connected with switch (2), fixes in each position needing heating of target device (5)
One temperature sensor (6), all one end with temperature sensor (7), one end of all temperature sensors (6) are connected, temperature acquisition
The other end of instrument (7) is connected with switch (2)；
Described computer (1) includes that control module, display module and power data memory module, temperature sensor (7) include temperature
Degrees of data memory module；
Step 2, create power configuration file in the computer (1), set power configuration and also preserve；
Described power configuration includes electricity source IP address, the explanation of power supply correspondence target device (5) heating location, predetermined current/voltage
Value, power protection current/voltage, power supply control model, target temperature value, collection temperature value in temperature data memory module
Store name, temperature data store path, power data store path and pid control parameter；
Described power supply control model is power supply open loop control mode, on and off switch control model or power supply PID control model；
Step 3, control module read power configuration file, it is judged that the file format of power configuration file is the most correct, if not
Correctly, display module prompting errors present, control module quits work, and carries out step 4, if correctly, control module controls journey
Control power supply (3) initializes, and carries out step 5；
Step 4, according to prompting errors present change power configuration file preserving, return step 3；
Step 5, control module judge the control model of programmable power supply (3), if power supply open loop control mode, perform step
Six, if on and off switch control model, perform step 7, if power supply PID control model, perform step 8；
Step 6, power supply open loop control mode:
Predetermined current/magnitude of voltage is sent to programmable power supply (3) through switch (2) by 6a, control module；
Instruction works pressed by 6b, programmable power supply (3), and output electric current during work and output voltage are fed back to through switch (2)
Control module；
6c, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, by output voltage,
Output electric current, output and loop resistance value store to power data memory module, and control display module and show program control in real time
The output voltage of power supply (3), output electric current, output and loop resistance value；
6d, return step 6a, until power supply controls to terminate；
Step 7, on and off switch control model:
7a, the temperature value of temperature sensor (7) collecting temperature sensor (6), and the temperature value of collection is stored to temperature data
Memory module；
7b, control module read the temperature value gathered through switch (2) from temperature data memory module, it is judged that whether this temperature value
Higher than target temperature value, if it is decided that result is yes, control module by input current/input voltage that numerical value is 0 through switch
(2) being sent to programmable power supply (3), if it is decided that result is no, predetermined current/magnitude of voltage is sent out by control module through switch (2)
Give programmable power supply (3)；
Instruction works pressed by 7c, programmable power supply (3), and the output electric current of general's now programmable power supply (3) and output voltage are through switch
(2) control module is fed back to；
7d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, by output voltage,
Output electric current, output and loop resistance value store to power data memory module, and control display module and show program control in real time
The output voltage of power supply (3), output electric current, output and loop resistance value；
7e, return step 7a, until power supply controls to terminate；
Step 8, on and off switch control model:
8a, the temperature value of temperature sensor (7) collecting temperature sensor (6), and the temperature value of collection is stored to temperature data
Memory module；
8b, control module read the temperature value gathered through switch (2) from temperature data memory module, calculate the temperature value gathered
With the difference of target temperature value, calculate the input current/input voltage of programmable power supply (3) according to PID computing formula, it is judged that this is defeated
Enter whether electric current/input voltage exceedes protective current/voltage, if it does not, by this input current/input voltage through switch (2)
It is sent to programmable power supply (3), if it is, protective current/voltage is sent to programmable power supply (3) through switch (2)；
Instruction works pressed by 8c, programmable power supply (3), and the output electric current of general's now programmable power supply (3) and output voltage are through switch
(2) control module is fed back to；
8d, control module calculate output and loop resistance value according to output electric current and the output voltage of feedback, by output voltage,
Output electric current, output and loop resistance value store to power data memory module, and control display module and show program control in real time
The output voltage of power supply (3), output electric current, output and loop resistance value；
8e, return step 8a, until power supply controls to terminate.
Multi-mode electrically operated control method the most according to claim 1, it is characterised in that described computer (1) is multiple stage is logical
Cross network TCP/IP and constitute LAN, it is achieved in LAN, all computers (1) can remotely control multiple program-controlled electric
Source (3) works.
Multi-mode electrically operated control method the most according to claim 1, it is characterised in that described temperature sensor (6) is heat
Galvanic couple class, critesistor class or platinum resistance class.
Multi-mode electrically operated control method the most according to claim 1, it is characterised in that in described step 3, it is judged that power supply
The file format of configuration file is the most correctly: the interval judging between field and field is the most identical and electric source IP address whether
Uniquely, correct, it not the most incorrect.
Multi-mode electrically operated control method the most according to claim 1, it is characterised in that in described step 7, also includes step
Rapid 7f, control module calculates dutycycle.
Multi-mode electrically operated control method the most according to claim 1, it is characterised in that described control module can call electricity
The historical data of single/multiple programmable power supply (3) in source data memory module, controls display module display historical data curve.
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| CN108889262A (en) * | 2018-06-15 | 2018-11-27 | 北京万德高科技发展有限公司 | A kind of continuously flowing preparation system and method |
| CN109168144A (en) * | 2018-08-17 | 2019-01-08 | 佛山市澳霆环境设备制造有限公司 | Heat pump internet of things system based on PLC control |
| CN109976409A (en) * | 2019-04-19 | 2019-07-05 | 合肥一煊检测技术有限公司 | A kind of temperature acquisition control system of aeronautical product test |
| CN112445198A (en) * | 2019-09-05 | 2021-03-05 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted controller testing method, device and system |
| CN114675699A (en) * | 2022-03-31 | 2022-06-28 | 深圳前海骁客影像科技设计有限公司 | Control method, device, equipment and medium applied to multi-channel numerical control power supply |
| US11567551B2 (en) | 2020-07-28 | 2023-01-31 | Rohde & Schwarz Gmbh & Co. Kg | Adaptive power supply |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108345230A (en) * | 2018-02-05 | 2018-07-31 | 合肥中科离子医学技术装备有限公司 | A kind of draw-out area power control management system of medical superconducting cyclotron |
| CN108889262A (en) * | 2018-06-15 | 2018-11-27 | 北京万德高科技发展有限公司 | A kind of continuously flowing preparation system and method |
| CN109168144A (en) * | 2018-08-17 | 2019-01-08 | 佛山市澳霆环境设备制造有限公司 | Heat pump internet of things system based on PLC control |
| CN109168144B (en) * | 2018-08-17 | 2021-02-02 | 佛山市澳霆环境设备制造有限公司 | Heat pump Internet of things system based on PLC control |
| CN109976409A (en) * | 2019-04-19 | 2019-07-05 | 合肥一煊检测技术有限公司 | A kind of temperature acquisition control system of aeronautical product test |
| CN112445198A (en) * | 2019-09-05 | 2021-03-05 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted controller testing method, device and system |
| US11567551B2 (en) | 2020-07-28 | 2023-01-31 | Rohde & Schwarz Gmbh & Co. Kg | Adaptive power supply |
| CN114675699A (en) * | 2022-03-31 | 2022-06-28 | 深圳前海骁客影像科技设计有限公司 | Control method, device, equipment and medium applied to multi-channel numerical control power supply |
| CN116204033A (en) * | 2023-04-27 | 2023-06-02 | 无锡前诺德半导体有限公司 | Parameter setting system of power supply device and design method thereof |
| CN116204033B (en) * | 2023-04-27 | 2023-07-14 | 无锡前诺德半导体有限公司 | Parameter setting system of power supply device and design method thereof |
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