CN203434917U - Motor fault tolerance driving control system capable of automatic fault repairing - Google Patents
Motor fault tolerance driving control system capable of automatic fault repairing Download PDFInfo
- Publication number
- CN203434917U CN203434917U CN201320422766.XU CN201320422766U CN203434917U CN 203434917 U CN203434917 U CN 203434917U CN 201320422766 U CN201320422766 U CN 201320422766U CN 203434917 U CN203434917 U CN 203434917U
- Authority
- CN
- China
- Prior art keywords
- bridge
- module
- fault
- independent
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a motor fault tolerance driving control system capable of automatic fault repairing. The system comprises a fault detection module. The fault detection module has an input end connected with an independent H-bridge module and an output end connected with the input end of a fault processing module; the output end of the fault processing module is respectively connected with an H-bridge driving signal module and an H-bridge switching driving module; the output end of the H-bridge driving signal module is connected with an H-bridge driving module; the output end of the H-bridge driving module is respectively connected with the independent H-bridge module and a backup independent H-bridge module; the output ends of the H-bridge switching driving module and the backup independent H-bridge module are respectively connected with an H-bridge switching switch; the output end of the independent H-bridge module is also connected with a motor three-phase winding; and the output end of the backup independent H-bridge module is connected with the motor three-phase winding through the H-bridge switching switch. When there is a fault in a motor, the independent H-bridge module is replaced by the backup independent H-bridge module so as to ensure that the motor can work normally, realize automatic repairing by driving the motor through hardware, and improve the reliability and power intensity of the circuit driven by the hardware.
Description
Technical field
The utility model relates to a kind of based on DSP(digital signal processor) tolerant system, belong to integrated circuit fault tolerant systems design field, specifically the fault-tolerant control system of three phase electric machine.
Background technology
At present, DSP device is used widely, becomes the key component that signal is processed and control, but because the power electronic device radiating treatment that works long hours causes the problems such as damage not in time, equipment high reliability is subject to certain impact.
Three phase full bridge inverter circuit is the classical circuit of processing three phase electric machine, but its reliability is not high, during motor single-phase fault, cannot work.Considering under the condition of the factors such as fault-tolerant control, fault detect and feasibility, adopt fault tolerant type topological structure independence H bridge circuit, respectively driving and power inversion circuit are completely separate mutually, a certain while having fault mutually (comprising motor body fault and fault of converter) when detecting like this, just directly by this phase place excision, by simple fault-tolerant control strategy, just can realize easily the reconstruct every discrete system of fault, thereby improve the reliability of system.But in fields such as Aero-Space, military project, need absolute high reliability, often all can have another set of driving arrangement and strengthen reliability, this has not only increased the weight and volume of system, has also reduced utilance, and power density is low.
Henan engineering journal (natural science edition), in March, 2011, the 23rd the 1st phase of volume, the work such as Cheng Hui: " a kind of fault tolerant control method of permagnetic synchronous motor ", has proposed the driving control system that a kind of three-phase four-arm has fault tolerance, this driving control system is when fault, between three phase windings, aspect hardware circuit, still influence each other, when there is a phase fault, except need be by the 4th brachium pontis place in circuit, also need to carry out in addition feedback compensation design, more loaded down with trivial details.In addition, this driving control system must drive control under permagnetic synchronous motor, and need under the prerequisite of using SVPWM control algolithm, just can reach certain effect, has limitation, applies restricted.
Summary of the invention
The purpose of this utility model is in order to solve existing three phase electric machine when certain breaks down mutually, full bridge driving circuit fault is applied limited problem to the larger drive circuit of whole drive circuit impact, solve existing pair simultaneously and overlap driving arrangement volume greatly and the low problem of power density, a kind of fault-tolerant driving control system of motor of fault selfreparing is proposed, can improve the effect of single cover hardware device, improve utilization rate of equipment and installations and control reliability.
The technical scheme that the fault-tolerant driving control system of motor of a kind of fault selfreparing described in the utility model adopts is: comprise fault detection module, fault detection module input connects independent H bridge module, fault detection module output connects fault processing module input, fault processing module output connects respectively H bridge and drives signaling module and H bridge to switch driver module, H bridge drives signal output part to connect H bridge driver module, H bridge driver module output connects respectively independent H bridge module and standby independent H bridge module, the output that H bridge switches driver module and standby independent H bridge module is connected respectively H bridge diverter switch, the output of independent H bridge module also connects motor three phase windings, the output of standby independent H bridge module connects motor three phase windings after H bridge diverter switch.
The utility model is compared with prior art: the utility model is the fault tolerable circuit system based on standby independent H bridge, based on DSP detection failure signal, hardware circuit selfreparing problem while solving motor-drive circuit phase fault, when motor fault-free, standby independent H bridge driver module and H bridge switch driver module and do not give enable signal.When fault occurs, certain phase H bridge driving malfunction detected, forbid that immediately fault phase H bridge drives, enable corresponding H bridge simultaneously and switch driver module and standby independent H bridge driver module, the peripheral circuit of switch failure phase and internal control information, and the control information of fault phase is transferred on standby independent H bridge driver module, thereby make motor keep normal operation, realized the self-repair procedure of hardware driving circuit, by IGBT success, by standby drive circuit, replace fault drive circuit phase, improved reliability and the power density of hardware driving circuit.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of the fault-tolerant driving control system of motor of a kind of fault selfreparing described in the utility model;
Fig. 2 is the syndeton block diagram of the single-phase H bridge in Fig. 1;
Fig. 3 is the connection diagram of the H bridge diverter switch of three phase electric machine.
In figure: 1.DSP controller part; 2. H bridge and drive part thereof; 3. troubleshooting part; 1-1. fault detection module; 1-2.H bridge drives signaling module; 1-3. fault processing module; 2-1. independence H bridge module; The standby independent H bridge module of 2-2.; 2-3.H bridge driver module; 3-1.H bridge diverter switch; 3-2.H bridge switches driver module; The single-phase independent H bridge of 2-1-1.; The single-phase H bridge of 3-1-1. diverter switch.
Embodiment
The general structure block diagram of the fault-tolerant driving control system of motor of a kind of fault selfreparing described in the utility model as shown in Figure 1, mainly comprises dsp controller part 1, H bridge and drive part 2 thereof and troubleshooting part 3; Described dsp controller part 1 comprises that fault detection module 1-1, H bridge drive signaling module 1-2 and fault processing module 1-3; Described H bridge and drive part 2 thereof comprise independent H bridge module 2-1, standby independent H bridge module 2-2 and H bridge driver module 2-3; Described troubleshooting part 3 comprises that H bridge diverter switch 3-1 and H bridge switch driver module 3-2.Wherein, fault detection module 1-1 input connects independent H bridge module 2-1, and independent H bridge module 2-1 output signal is to fault detection module 1-1, and the input of fault detection module 1-1 is by the ADC(analog to digital converter of DSP) mouth is connected in independent H bridge module 2-1.Fault detection module 1-1 is for current detecting.Fault detection module 1-1 output connects fault processing module 1-3 input, fault processing module 1-3 output connects respectively H bridge and drives signaling module 1-2 and H bridge to switch driver module 3-2, the output that H bridge switches driver module 3-2 and standby independent H bridge module 2-2 is connected respectively H bridge diverter switch 3-1, fault detection module 1-1 sends testing result to fault processing module 1-3, carry out the judgement whether fault exists, and send respectively result to H bridge driving signaling module 1-2 and H bridge switching driver module 3-2.H bridge drives signal 1-2 output to connect H bridge driver module 2-3, H bridge is given after driving the input of signaling module 1-2 to be processed by fault processing module 1-3, then send corresponding driving instruction to H bridge driver module 2-3, the output that H bridge switches driver module 3-2 connects H bridge diverter switch 3-1, to switching and move between H bridge.H bridge drives signal 1-2 that signal is re-send to H bridge driver module 2-3, H bridge driver module 2-3 output connects respectively independent H bridge module 2-1 and standby independent H bridge module 2-2, the input of independent H bridge module 2-1 and standby independent H bridge module 2-2 is all connected to H bridge driver module 2-3, by H bridge driver module, 2-3 controls break-make, and H bridge driver module 2-3 sends to respectively independent H bridge module 2-1 and standby independent H bridge module 2-2 by driving signal; The output of independent H bridge module 2-1 also connects motor three phase windings, the output of standby independent H bridge module 2-2 connects motor three phase windings after H bridge diverter switch 3-1, phase winding when one end of H bridge diverter switch 3-1 is connected in motor normal operation, the other end of H bridge diverter switch 3-1 is connected in the output of standby independent H bridge module 2-2, H bridge switches driver module 3-2 and is connected between the troubleshooting signal port and H bridge diverter switch 3-1 that DSP is given, by it, controls the successful switch of standby independent H bridge module 2-2 and fault phase.
During normal operation, the control signal of independent H bridge module 2-1 is transported to motor phase windings end, control the normal operation of motor, during fault, corresponding failure drive circuit sends forbids driving signal, and standby driving phase and H bridge switching driver module are enabled, the control information of fault phase is copied to standby driving simultaneously and go up mutually, replace fault to drive phase; H bridge switches driver module 3-2 and standby independent H bridge module 2-2 sends signal to H bridge diverter switch 3-1, and H bridge diverter switch 3-1 and independent H bridge module 2-1 coordinate, and again send normal driving signal, controls the normal operation of motor.
H bridge diverter switch 3-1 is mainly connected by power electronic device IGBT or MOSFET, realize low-voltage and control high-tension requirement, when normal operation, keep off state, stop each alternate influencing each other, when fault occurs, only keeping the power electronic device of fault phase and standby H bridge outlet chamber is opening state, the power electronic device of other normal phase and standby H bridge outlet chamber is still off state, realize the successful switch of fault phase and standby independent H bridge phase, and do not affect the normal operation of other motor phase.
The concrete connection diagram of the single-phase H bridge of the utility model as shown in Figure 2, mainly comprise dsp controller part 1, H bridge and drive part 2 thereof and troubleshooting part 3, being the single phase circuit structured flowchart of the system global structure block diagram of Fig. 1, is the concrete connection diagram of motor single phase circuit.Wherein, H bridge and drive part 2 thereof comprise single-phase independent H bridge 2-1-1, standby independent H bridge module 2-2 and H bridge driver module 2-3, single-phase independent H bridge 2-1-1 controls the single-phase H bridge of motor one phase in independent H bridge module 2-1, single-phase independent H bridge 2-1-1 is by four bridge circuits that independently IGBT forms, the H bridge circuit of controlling other phase of motor is identical with single-phase independent H bridge 2-1-1, troubleshooting part 3 comprises that single-phase H bridge diverter switch 3-1-1 and H bridge switch driver module 3-2, single-phase H bridge diverter switch 3-1-1 connects the switch of standby independent H bridge module 2-2 and motor one phase winding in H bridge diverter switch 3-1, single-phase H bridge diverter switch 3-1-1 by two independently IGBT form.
Take three phase electric machine as example, the crucial connection diagram that the utility model is realized reliable fault selfreparing please refer to Fig. 3, Fig. 3 is the connection diagram of three phase electric machine H bridge diverter switch 3-1, belong to troubleshooting part 3, H bridge diverter switch 3-1 is the key component that connects standby independent H bridge module 2-2 and motor phase windings.One end of H bridge diverter switch 3-1 upper part is connected in the middle output of a brachium pontis of standby independent H bridge module 2-2, the other end of H bridge diverter switch 3-1 upper part is connected in the anode of motor three phase windings, one end of H bridge diverter switch 3-1 end portion is connected in the middle output of standby independent another brachium pontis of H bridge module 2-2, the other end of H bridge diverter switch 3-1 end portion is connected in the negative terminal of motor three phase windings, the standby independent H bridge module 2-2 of Reliable guarantee successfully replaces fault phase and controls motor, and does not affect the normal operation that other drives phase.
The course of work of the present utility model is specific as follows: first judge whether motor operation is normal, when motor moves, electric current to motor three phase windings detects in real time, fault detection module 1-1 can be by detecting the output end current of independent H bridge module 2-1, the variable condition of each phase current of real-time monitored motor, and detection signal is sent to fault processing module 1-3 carry out fault judgement.If it is abnormal that curent change does not occur, motor normally moves; Otherwise, abnormal if curent change occurs, illustrate that motor has fault.If motor normally moves, fault processing module 1-3 sends a signal to H bridge and drives signaling module 1-2, H bridge drives signaling module 1-2 to send control signal to H bridge driver module 2-3, H bridge driver module 2-3 can correspondingly drive independent H bridge module 2-1, carry out drive and control of electric machine, produce correct drive motor and run well.If motor has fault, fault processing module 1-3 drives signaling module 1-2 to send signal can to H bridge, to H bridge, switch driver module 3-2 simultaneously and send signal, H bridge drives signaling module 1-2 troubleshooting signal can be sent to H bridge driver module 2-3, by H bridge driver module 2-3, start standby independent H bridge module 2-2, by H bridge, switch driver module 3-2 simultaneously and start H bridge diverter switch 3-1, thereby by standby independent H bridge module 2-2, replace independent H bridge module 2-1 and form new complete drive circuit, and send correct driving signal, guarantee motor normal operation.When motor has fault, the reliable operation that H bridge switches driver module 3-2 is key of the present invention, in the present invention, adopt a control type power electronic device IGBT, conventionally make the voltage between grid emitter-base bandgap grading that IGBT opens get 15-20V, can send high level signal by dsp controller, after 4 to 5 times of operational amplifiers amplify, deliver to the grid of corresponding IGBT, drive IGBT conducting, make standby independent H bridge module 2-2 successfully replace fault phase.
The utility model has been realized the self-repair procedure of hardware driving circuit, by IGBT success, by standby drive circuit, replaces fault drive circuit phase, has improved reliability and the power density of hardware driving circuit.
Claims (3)
1. the fault-tolerant driving control system of the motor of a fault selfreparing, comprise fault detection module (1-1), it is characterized in that: fault detection module (1-1) input connects independent H bridge module (2-1), fault detection module (1-1) output connects fault processing module (1-3) input, fault processing module (1-3) output connects respectively H bridge and drives signaling module (1-2) and H bridge to switch driver module (3-2), H bridge drives signal (1-2) output to connect H bridge driver module (2-3), H bridge driver module (2-3) output connects respectively independent H bridge module (2-1) and standby independent H bridge module (2-2), the output that H bridge switches driver module (3-2) and standby independent H bridge module (2-2) is connected respectively H bridge diverter switch (3-1), the output of independent H bridge module (2-1) also connects motor three phase windings, the output of standby independent H bridge module (2-2) connects motor three phase windings after H bridge diverter switch (3-1).
2. the fault-tolerant driving control system of a kind of motor of fault selfreparing according to claim 1, it is characterized in that: the single-phase independent H bridge in independent H bridge module (2-1) is by four bridge circuits that independently IGBT forms, single-phase H bridge diverter switch in H bridge diverter switch (3-1) is the switch that connects standby independent H bridge module (2-2) and motor one phase winding, described single-phase H bridge diverter switch by two independently IGBT form.
3. the fault-tolerant driving control system of a kind of motor of fault selfreparing according to claim 2, it is characterized in that: one end of H bridge diverter switch (3-1) upper part connects the middle output of a brachium pontis of standby independent H bridge module (2-2), the other end of upper part connects the anode of motor three phase windings, one end of H bridge diverter switch (3-1) end portion connects the middle output of another brachium pontis of standby independent H bridge module (2-2), and the other end of end portion connects the negative terminal of motor three phase windings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422766.XU CN203434917U (en) | 2013-07-17 | 2013-07-17 | Motor fault tolerance driving control system capable of automatic fault repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422766.XU CN203434917U (en) | 2013-07-17 | 2013-07-17 | Motor fault tolerance driving control system capable of automatic fault repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434917U true CN203434917U (en) | 2014-02-12 |
Family
ID=50063931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320422766.XU Expired - Fee Related CN203434917U (en) | 2013-07-17 | 2013-07-17 | Motor fault tolerance driving control system capable of automatic fault repairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434917U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441730A (en) * | 2013-07-17 | 2013-12-11 | 江苏大学 | Motor fault-tolerant driving control system and method achieving self-repairing of faults |
| CN103986137A (en) * | 2014-04-24 | 2014-08-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel self fault recovery system of multifunctional current limiter and control method of novel self fault recovery system |
| CN105897114A (en) * | 2016-04-28 | 2016-08-24 | 南京航空航天大学 | Double-stator double-salient-pole motor fault tolerant drive system and control method |
| CN108306563A (en) * | 2018-02-05 | 2018-07-20 | 上海应用技术大学 | Brake system driver |
-
2013
- 2013-07-17 CN CN201320422766.XU patent/CN203434917U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441730A (en) * | 2013-07-17 | 2013-12-11 | 江苏大学 | Motor fault-tolerant driving control system and method achieving self-repairing of faults |
| CN103441730B (en) * | 2013-07-17 | 2016-01-20 | 江苏大学 | A kind of motor fault-tolerant driving control system of fault selfreparing and method |
| CN103986137A (en) * | 2014-04-24 | 2014-08-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel self fault recovery system of multifunctional current limiter and control method of novel self fault recovery system |
| CN103986137B (en) * | 2014-04-24 | 2017-05-10 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel self fault recovery system of multifunctional current limiter and control method of novel self fault recovery system |
| CN105897114A (en) * | 2016-04-28 | 2016-08-24 | 南京航空航天大学 | Double-stator double-salient-pole motor fault tolerant drive system and control method |
| CN105897114B (en) * | 2016-04-28 | 2018-05-15 | 南京航空航天大学 | Double-stator double-salient motor failure tolerant drive system and control method |
| CN108306563A (en) * | 2018-02-05 | 2018-07-20 | 上海应用技术大学 | Brake system driver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015121983A1 (en) | Protection system for dc power transmission system, ac/dc converter, and dc power transmission system breaking method | |
| US20130308235A1 (en) | Method for eliminating a fault on a high-voltage dc line, system for transmitting an electric current via a high-voltage dc line, and converter | |
| CN106357144B (en) | A kind of twin inverter topological structure opens fault of converter diagnosis and fault tolerant control method in winding electric machine drive system | |
| JP2014180197A (en) | System and method for fault protection of motor | |
| TWI441402B (en) | Power generation system and switch device thereof | |
| CN203434917U (en) | Motor fault tolerance driving control system capable of automatic fault repairing | |
| US10468972B2 (en) | Power converter including a plurality of converter cells connected in multiple series | |
| CN103944148A (en) | T-type three-level inverter protecting method and device and inverter circuit | |
| CN104298221A (en) | Three-phase full-bridge switch circuit fault detection method and device | |
| TW201438366A (en) | Highly reliable static switching switch circuit for uninterruptable power system | |
| CN109747423B (en) | Safe turn-off system and method for electric automobile | |
| CN103441730B (en) | A kind of motor fault-tolerant driving control system of fault selfreparing and method | |
| JP2015159684A (en) | rotary electric machine control device | |
| CN103944436A (en) | Three-phase fault-tolerant inverter circuit and control method thereof | |
| CN103094983B (en) | There is electric power system and the control method thereof of power supply automatic switching function | |
| CN103683188A (en) | Safety detection apparatus of solar energy inverter | |
| JP6534365B2 (en) | Power converter | |
| CN205791480U (en) | Envelope star control circuit | |
| JP2015527858A (en) | Motion and control system | |
| CN104979851A (en) | Switching circuit and control method thereof | |
| CN103762588A (en) | Micro-grid operating inverter grid-connection and off-grid smooth switching circuit and control method thereof | |
| CN106229968B (en) | A kind of interlock and its control method | |
| CN101728837A (en) | Energy feedback system | |
| CN105634109A (en) | Uninterruptible power supply control method and apparatus | |
| CN102916482A (en) | Low-voltage switching circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |