CN112767673A - Distributed control system for high-power digital pulse power supply - Google Patents
Distributed control system for high-power digital pulse power supply Download PDFInfo
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- CN112767673A CN112767673A CN202011589358.4A CN202011589358A CN112767673A CN 112767673 A CN112767673 A CN 112767673A CN 202011589358 A CN202011589358 A CN 202011589358A CN 112767673 A CN112767673 A CN 112767673A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 71
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000003708 edge detection Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M11/00—Power conversion systems not covered by the preceding groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a distributed control system of a high-power digital pulse power supply, which belongs to the technical field of high-power digital pulse power supplies and comprises a satellite computer network, a synchronous control network and a pulse trigger network; the star computer network injects corresponding control parameters to the synchronous control network according to the working condition requirement, the synchronous control network configures the number of distributed modules and corresponding working modules according to the received control parameters to perform high-power distributed integrated output, simultaneously, the synchronous control network sends engineering control parameters to each distributed module of the trigger network, when the star computer network issues a starting output instruction, the synchronous module outputs a synchronous control signal, the pulse trigger network starts to output a pulse control signal, and each distributed pulse trigger module is controlled to perform high-power output. The distributed power supply output control system can flexibly configure various modes and parameters of the distributed power supply output according to the use working condition requirements, increases the flexibility and compatibility of the control system, and improves the maintainability of the system.
Description
Technical Field
The invention belongs to the technical field of high-power digital pulse power supplies, and particularly relates to a distributed control system of a high-power digital pulse power supply.
Background
With the rapid development of the demand of special pulse load systems such as lasers on high-power pulse power supplies and computer technologies, the pulse power supply technology is transited from an analog pulse power supply to a digital pulse power supply and is continuously and rapidly developed, at present, the pulse power supply technology with small current, small power and high stability is mature, and the digital pulse power supply with large current, high power and high stability is still in an exploration stage. The distributed software control method for the high-power digital pulse power supply solves the problems that a software control method for the high-power digital pulse power supply control system with high power, high current and high stability has complex system control flow, low system safety and reliability, and low system compatibility, low flexibility, low maintenance efficiency and the like, and is easy to cause system crash and out of control due to electromagnetic interference.
Disclosure of Invention
The invention provides a distributed control system of a high-power digital pulse power supply, which aims to solve the technical problems in the prior art and is used for solving the problems of complicated system control flow, low system safety and reliability, system crash and runaway caused by the fact that the system is easily interfered by electromagnetism, system compatibility, low flexibility, low maintenance efficiency and the like in a high-power, high-current and high-stability software control method of the high-power digital pulse power supply control system.
The first purpose of the invention is to provide a distributed control system of a high-power digital pulse power supply, comprising: a house keeping computer network, a synchronous control network and a pulse trigger network; wherein:
the star computer network injects corresponding control parameters to the synchronous control network according to working condition requirements, the synchronous control network configures the number of distributed modules and corresponding working modules according to the received control parameters to perform high-power distributed integrated output, simultaneously, the synchronous control network sends engineering control parameters to each distributed module of the trigger network, when the star computer network issues a starting output instruction, the synchronous module outputs synchronous control signals, the pulse trigger network starts to output pulse control signals, and each distributed pulse trigger module is controlled to perform high-power output.
Preferably, the control parameters include a working mode, a working current gear, an output enable control flag, a pulse time duty cycle parameter, a pulse working frequency, a pulse output time, a distributed control module number, and a corresponding enable control flag.
Preferably, the working mode comprises a manual debugging mode, a semi-automatic adaptation mode and a full-automatic adaptation mode.
Preferably, the house keeping computer network comprises a house keeping computer control circuit and a network communication control circuit.
Preferably, the synchronous control network comprises a telemetry data acquisition circuit, a synchronous timing control circuit, a bus communication circuit, a computer control circuit and a power supply distribution circuit.
Preferably, the pulse trigger network is composed of a multi-stage distributed pulse trigger module, and the pulse trigger module comprises a computer control circuit, a telemetry acquisition circuit, a synchronous input circuit and a PWM output control circuit.
Preferably, the working process of the pulse trigger network is as follows:
each distributed pulse trigger module of the pulse trigger network receives a synchronous control signal of the synchronous control network to start single pulse output control, the synchronous signal consists of two times of continuous three pulse signals, the edge detection module of the pulse trigger module software identifies the number of edges to detect the synchronous signal, firstly, the continuous three pulses prompt each distributed module to be ready for output in advance, the synchronous control network outputs a second time of three pulse synchronous control signals after a period of time, the pulse trigger module detects that the second time of three pulse synchronous signals starts pulse power output, after power-on starting, corresponding working parameters are set, after the arrival of the synchronous signals, the PWM1, the PWM2 and the PWM3 are started to output pulses after the arrival of the synchronous signals, whether the pulse time reaches the set time is calculated, and the pulse output is stopped when the set time is reached, the non-arrival time continues to cycle the PWM1, PWM2 and PWM3 pulse outputs.
The invention has the advantages and positive effects that:
the distributed power supply output control system can flexibly configure various modes and parameters of the distributed power supply output according to the use working condition requirements, increases the flexibility and compatibility of the control system, simultaneously designs a debugging mode to facilitate system maintenance, and improves the maintainability of the system; the synchronous control signal adopts a double-layer continuous pulse control and edge detection strategy, so that the problem of electromagnetic interference under high-power output is prevented, the stability and reliability of the system are greatly improved, and the synchronism of the system is improved; the system adopts a three-level control network, reduces the complex condition of resource allocation of each module, and can ensure safe and reliable operation of the system.
1. According to the invention, through a three-level control network of a satellite computer network, a synchronous control network and a pulse trigger network, the complex condition of resource allocation of each module is reduced, the resource waste of each module is avoided, the system control flow is simplified, and the safe and reliable operation of the system can be ensured.
2. The invention provides a debugging maintenance background interface, supports the functions of system maintenance and parameter debugging under the condition of online high-power output, and greatly improves the efficiency of system maintenance.
3. The synchronous control signal of the invention adopts a double-layer continuous pulse control and edge detection strategy, thereby preventing the electromagnetic interference problem under high-power output, greatly improving the stability and reliability of the system and the synchronism of the system.
4. The invention realizes the flexible configuration of various output modes and parameters of the distributed power supply according to the requirements of the use working condition, and increases the flexibility and compatibility of the software control system.
Drawings
FIG. 1 is a diagram of a three-tier control network of a preferred embodiment of the present invention;
FIG. 2 is a system block diagram of a preferred embodiment of the present invention;
FIG. 3 is a diagram of the synchronization control signals of the preferred embodiment of the present invention;
fig. 4 is a flow chart of single pulse output control in the preferred embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in figures 1 to 4 of the drawings,
the technical scheme of the invention is as follows:
a distributed control system of a high-power digital pulse power supply mainly comprises: a star affair computer network, a synchronous control network and a pulse trigger network;
the technical scheme is realized by a three-layer control network of a satellite computer network, a synchronous control network and a pulse trigger network, the satellite computer network injects corresponding control parameters into the synchronous control network according to working condition requirements, the synchronous control network configures the number of distributed modules and corresponding working modules according to the received control parameters to perform high-power distributed integrated output, simultaneously the synchronous control network sends engineering control parameters to all the distributed modules of the trigger network, the synchronous module outputs synchronous control signals after the satellite computer network issues a starting output instruction, and the pulse trigger network starts to output pulse control signals to control all the distributed pulse trigger modules to perform high-power output.
The system control flow comprises the following steps:
the invention is realized by a star computer, a synchronous control network and a pulse triggering three-layer control network (as shown in figure 1), the star computer network selects corresponding parameters to be injected into the synchronous control network according to working conditions, the parameters comprise a working mode (a manual debugging mode, a semi-automatic adaptation mode and a full-automatic adaptation mode), a working current gear, an output enabling control mark, a pulse time duty ratio parameter, a pulse working frequency, a pulse output time, a distributed control module number and a corresponding enabling control mark, wherein the invention relates to a pulse triggering distributed module network, provides a broadcasting mode and a point-to-point network interaction mode, realizes the pulse triggering distributed module network parameter interaction, and the pulse triggering network layer feeds back all distributed module engineering parameters to the star computer network layer through the network.
The star affair computer network layer selects the serial number of the distributed modules participating in the output of the working condition and controls and sends the serial number to the synchronous control network layer by the enabling module, the synchronous control network layer sets corresponding synchronous output signals of the distributed modules according to the received control data, and after receiving the control parameters for starting the output sent by the star affair computer network layer, the synchronous signal output control of the distributed modules is started and outputs the synchronous signals to the pulse trigger network layer, the power output control of each distributed module is controlled, and the high-power output is realized by cascading.
The block diagram of a three-layer network architecture system designed by the distributed control method of the invention is shown in fig. 2.
The house keeping computer network comprises a house keeping computer control circuit and a network communication control circuit;
the synchronous control network comprises a telemetering data acquisition circuit, a synchronous time sequence control circuit, a bus communication circuit, a computer control circuit and a power supply distribution circuit;
the pulse trigger network consists of a multi-stage distributed pulse trigger module, and the pulse trigger module comprises a computer control circuit, a telemetering acquisition circuit, a synchronous input circuit and a PWM output control circuit;
pulse trigger control flow:
each distributed pulse trigger module of the pulse trigger network receives a synchronous control signal of the synchronous control network to start single pulse output control, the synchronous signal consists of two times of continuous three-pulse signals (as shown in figure 2), an edge detection program of the pulse trigger module identifies the number of edges to detect the synchronous signal, firstly, the continuous three pulses prompt each distributed module to be ready for output in advance, the synchronous control network outputs a second time of three-pulse synchronous control signals after a period of time, the pulse trigger module detects that the second time of three-pulse synchronous signals starts pulse power output, a single pulse trigger flow chart is shown in figure 3, after power-on starting, corresponding working parameters are set, the synchronous signals are waited to arrive, after the synchronous signals arrive, PWM1, PWM2 and PWM3 are started to output pulses, and whether the pulse time reaches the set time is calculated, and stopping the current pulse output when the set time is reached, and continuously cycling PWM1, PWM2 and PWM3 pulse output when the time is not reached.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. A distributed control system for a high-power digital pulse power supply is characterized by at least comprising: a house keeping computer network, a synchronous control network and a pulse trigger network; wherein:
the star computer network injects corresponding control parameters to the synchronous control network according to working condition requirements, the synchronous control network configures the number of distributed modules and corresponding working modules according to the received control parameters to perform high-power distributed integrated output, simultaneously, the synchronous control network sends engineering control parameters to each distributed module of the trigger network, when the star computer network issues a starting output instruction, the synchronous module outputs synchronous control signals, the pulse trigger network starts to output pulse control signals, and each distributed pulse trigger module is controlled to perform high-power output.
2. The distributed control system for high power digital pulse power supplies according to claim 1, wherein the control parameters include operating mode, operating current level, output enable control flag, pulse time duty cycle parameter, pulse operating frequency, pulse output time, distributed control module number and corresponding enable control flag.
3. The distributed control system for high power digital pulse power supply according to claim 2, wherein the operation mode comprises a manual debugging mode, a semi-automatic adaptation mode and a fully automatic adaptation mode.
4. The distributed control system for high power digital pulse power supplies according to claim 1, wherein the housekeeping computer network comprises a housekeeping computer control circuit and a network communication control circuit.
5. The distributed control system for high power digital pulse power supply according to claim 1, wherein the synchronous control network comprises a telemetry data acquisition circuit, a synchronous timing control circuit, a bus communication circuit, a computer control circuit and a power supply distribution circuit.
6. The distributed control system for the high-power digital pulse power supply according to claim 1, wherein the pulse trigger network is composed of a multi-stage distributed pulse trigger module, and the pulse trigger module comprises a computer control circuit, a telemetering acquisition circuit, a synchronous input circuit and a PWM output control circuit.
7. The distributed control system for high-power digital pulse power supplies according to claim 1, wherein the working process of the pulse trigger network is as follows:
each distributed pulse trigger module of the pulse trigger network receives a synchronous control signal of the synchronous control network to start single pulse output control, the synchronous signal consists of two times of continuous three pulse signals, the edge detection module of the pulse trigger module software identifies the number of edges to detect the synchronous signal, firstly, the continuous three pulses prompt each distributed module to be ready for output in advance, the synchronous control network outputs a second time of three pulse synchronous control signals after a period of time, the pulse trigger module detects that the second time of three pulse synchronous signals starts pulse power output, after power-on starting, corresponding working parameters are set, after the arrival of the synchronous signals, the PWM1, the PWM2 and the PWM3 are started to output pulses after the arrival of the synchronous signals, whether the pulse time reaches the set time is calculated, and the pulse output is stopped when the set time is reached, the non-arrival time continues to cycle the PWM1, PWM2 and PWM3 pulse outputs.
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Cited By (1)
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