CN107145410A - After a kind of system exception power down it is automatic on establish the method, system and equipment of machine by cable - Google Patents
After a kind of system exception power down it is automatic on establish the method, system and equipment of machine by cable Download PDFInfo
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- CN107145410A CN107145410A CN201710426712.3A CN201710426712A CN107145410A CN 107145410 A CN107145410 A CN 107145410A CN 201710426712 A CN201710426712 A CN 201710426712A CN 107145410 A CN107145410 A CN 107145410A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1441—Resetting or repowering
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Abstract
The invention discloses a kind of method for establishing machine on automatic after system exception power down by cable, including：The power supply power-fail sequential and reset signal of detecting system；Whether according to power supply power-fail sequential and reset signal, it is powered-off fault to judge system；If powered-off fault, then upper electric boot program is performed；This method is realized establishes machine by cable on automatic after system exception power down, improves the reliability of hardware system；The invention also discloses the system and equipment for establishing machine on automatic after a kind of system exception power down by cable, with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to technical field of data processing, it is automatic after more particularly to a kind of system exception power down on establish the side of machine by cable
Method, system and equipment.
Background technology
In cloud computing era, data center such as uses double to the reliability requirement more and more higher of the equipment such as storage, server
Control device 1+1 redundancies and carry out data processing, 1+1 power module redundant power supplies, or even also use the standby electric module of battery and be directed to civil power
Power supply after power down, these ways are provided to improve the high reliability of stocking system.Data center will to the intelligent of hardware
Also more and more higher is sought, such as is sent a telegram here again after having a power failure, system be able to will be realized electric on Auto Power On.But for system exception power down
The power down of situation, such as CPU accident, chip overheating failure cause system power failure, to realize Auto-Sensing and realize on Auto Power On
Electricity is relatively difficult.There is presently no can realize after system exception power down to establish machine by cable on automatic.
The content of the invention
It is an object of the invention to provide the method, system and equipment for establishing machine on automatic after a kind of system exception power down by cable；It is real
Machine is established by cable on now automatic after system exception power down, improves the reliability of hardware system.
In order to solve the above technical problems, the present invention provides a kind of method for establishing machine on automatic after system exception power down by cable, bag
Include：
The power supply power-fail sequential and reset signal of detecting system；
Whether according to the power supply power-fail sequential and the reset signal, it is powered-off fault to judge the system；
If powered-off fault, then upper electric boot program is performed.
Optionally, the power supply power-fail sequential and reset signal of detecting system, including：
Receive power supply Good signals whole in the system and reset signal；
According to the power supply Good signals received and the reset signal, each power supply Good signals are stored
Trailing edge delta data, and reset signal data.
Optionally, whether according to the power supply power-fail sequential and the reset signal, it is that exception is fallen to judge the system
Electricity, including：
Judge that the trailing edge delta data whether there is 0；
If in the presence of whether judge the reset signal data is 0；
If 0, then judge whether the voltage and temperature of the system are normal；
If normal, whether the system is powered-off fault.
Optionally, electric boot program in execution, including：
It is to force to set starting-up signal position after starting-up signal, and predetermined hold-time not forcing out to set starting-up signal position
Machine signal.
Optionally, if the voltage and temperature of the system are abnormal, including：Point out the system power supply abnormal.
The present invention also provides the system for establishing machine on automatic after a kind of system exception power down by cable, including：
Detection module, power supply power-fail sequential and reset signal for detecting system；
Powered-off fault judge module, for according to the power supply power-fail sequential and the reset signal, judging the system
Whether system is powered-off fault；
Upper electric starting module, if being electric boot program in powered-off fault, execution for the system.
Optionally, the detection module, including：
Receive signal element, power supply Good signals whole in the system and reset signal for receiving；
Signal recording unit, for according to the power supply Good signals and the reset signal received, storage to be each
The trailing edge delta data of the power supply Good signals, and reset signal data.
Optionally, the powered-off fault judge module, including：
First judging unit, for judging that the trailing edge delta data whether there is 0；
Second judging unit, if having 0 for the trailing edge delta data, judges that the reset signal data are
No is 0；
3rd judging unit, if for the reset signal data be 0, judge the system voltage and temperature whether
Normally；If normal, whether the system is powered-off fault.
Optionally, the upper electric starting module is specially to set starting-up signal position to force starting-up signal, and is persistently made a reservation for
It is the module for not forcing starting-up signal that starting-up signal position is set after time.
The present invention also provides a kind of equipment, including：
PLD, power supply power-fail sequential and reset signal for detecting system；
Management Controller, for according to the power supply power-fail sequential and the reset signal, whether judging the system
For powered-off fault；If powered-off fault, then upper electric boot program is performed.
After a kind of system exception power down provided by the present invention it is automatic on establish the method for machine by cable, including：The electricity of detecting system
Source power-off sequential and reset signal；Whether according to power supply power-fail sequential and reset signal, it is powered-off fault to judge system；If
For powered-off fault, then upper electric boot program is performed.
It can be seen that, this method is by power supply power-fail sequential and reset signal, and whether be powered-off fault, and be if judging system
Upper electric boot program is performed during system powered-off fault；Machine is established by cable on automatic after system exception power down, improve hardware system so as to realize
The reliability of system；Present invention also offers the system and equipment for establishing machine on automatic after a kind of system exception power down by cable, with above-mentioned
Beneficial effect, will not be repeated here.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
After the system exception power down that Fig. 1 is provided by the embodiment of the present invention it is automatic on establish by cable machine method flow chart；
The system power failure sequential trailing edge detects schematic diagram that Fig. 2 is provided by the embodiment of the present invention；
System power failure time-series rules CPLD and BMC that Fig. 3 is provided by the embodiment of the present invention annexation schematic diagram；
After the system exception power down that Fig. 4 is provided by the embodiment of the present invention it is automatic on establish by cable machine system structured flowchart.
Embodiment
The core of the present invention is to provide the method, system and equipment for establishing machine on automatic after a kind of system exception power down by cable；It is real
Machine is established by cable on now automatic after system exception power down, improves the reliability of hardware system.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Present embodiments provide a kind of method realized based on time-series rules after system exception power down and establish machine on automatic by cable.Tool
Body refer to Fig. 1, it is automatic after the system exception power down that Fig. 1 is provided by the embodiment of the present invention on establish by cable machine method flow
Figure；This method can include：
S100, detecting system power supply power-fail sequential and reset signal.
S110, according to the power supply power-fail sequential and the reset signal, whether judge the system is powered-off fault.
Specifically, the present embodiment does not limit the device of detection power supply power-fail sequential and reset signal, as long as can be real
The existing function.For example can be to be realized by PLD.Such as CPLD (Complex Programmable
Logic Device, CPLD), FPGA or other PLD.Here detection can be with
It is that power failure signal and reset signal are connected in detection device.For example, by taking CPLD as an example, current power supply signal is referred to as
All power supply Good signals and platform reset signal of system are physically connected to CPLD by power supply Good signals.
The present embodiment is not limited according to whether the power supply power-fail sequential and the reset signal judge the system yet
For the device of powered-off fault, as long as the function can be realized.For example can be by BMC (Baseboard Manager
Controller, manager controller) realize or other control devices.Here control device and above-mentioned power supply power-fail sequential
And the detection device of reset signal is connected.For example it is total by 12C (Inter-Integrated CircuitI2C buses)
Line is connected.For example, by taking CPLD and BMC as an example, BMC and CPLD are connected by I2C buses.
Specifically, the present embodiment does not limit corresponding power supply power-fail sequential normal condition during switching on and shutting down.The present embodiment root
According to corresponding power supply power-fail timing planning in the system, to judge whether the power supply power-fail sequential detected is normal sequential；Very
Extremely it can judge that powered-off fault occurs in which power supply according to the power supply power-fail sequential.Therefore the present embodiment is not limited specifically
Judgment rule, it carries out adaptive change according to system actual setting.Currently still with CPLD, exemplified by power supply Good signals, and
With reference to Fig. 2, illustrate Cleaning Principle, all power supply Good signals are all to have low level to be changed into high in certain sequence in system boot
Level (0 to 1 change), last reset signal changes from low to high；During same normal shutdown, reset signal at first by height to
Low, all power supply Good signals are also to have high level to be changed into low level (1 to 0 change) in sequence.
Abnormity of power supply power down can be judged whether according to the sequential after power supply power-fail sequential is detected, i.e. each electricity
Whether source carries out power down according to normal sequential in Fig. 2, if it is not, then proving there is abnormity of power supply power down.The present embodiment is not
Limit the record form of powered-off fault herein.For example when it is not normal powering down sequential to judge power supply exception can be set to fall
Electricity mark (to powered-off fault mark be not defined, such as can with 1 represent can also be represented with 0).Can also be
Not only powered-off fault is identified it may also be pointed out which abnormity of power supply power down.For example can powered-off fault power supply correspondence position
Set powered-off fault to identify etc..
Optionally, the power supply power-fail sequential and reset signal of detecting system can include：
Receive power supply Good signals whole in the system and reset signal；
According to the power supply Good signals received and the reset signal, each power supply Good signals are stored
Trailing edge delta data, and reset signal data.
Specifically, the trailing edge delta data of each power supply Good signals stored here can represent the electricity of the position
Source whether normal powering down.Now still with CPLD, the record of trailing edge delta data is illustrated exemplified by power supply Good signals.
(1) a number of bit bit registers are defined according to power supply Good number of signals, the example is by taking 8 power supplys as an example
One byte of definition, 8 bit detect registers, initial value is 11111111, is from left to right that a high position is arranged to low level,
Increase byte definition, such as two bytes can be taken when system power supply signal is more；The present embodiment is not defined to this,
For initial value herein form also without limit, for example can also be all 0 or other numerical value, this example only illustrates
One kind processing logic, the deformation of its adaptability is all in its protection domain.
(2) if CPLD detects power, Good2 signal trailing edges are later than power Good1 signals, register
It is worth for 11111111, does not change；If CPLD detects power Good2 signals trailing edges earlier than power Good1 signals, or
Person falls down simultaneously；Then the value of modification register is 11111110；
(3) if CPLD detects power, Good3 signal trailing edges are later than power Good2 signals, register
It is worth for 11111111, does not change；If CPLD detects power Good3 signals trailing edges earlier than power Good2 signals, or
Person falls down simultaneously；Then the value of modification register is 11111101；
(4) the like, the 0 of bit appearance of register, then represent system power-off sequential abnormal；
(5) it is another to need to define a power on register, for depositing starting-up signal and platform reset signal.
1xxxxxx0 a, high position 1 represents reset signal level, and lowest order represents starting-up signal, and 0 sign need not force start, and 1 needs by force
System start.Also title of register etc. is not defined in the example.I.e. CPLD defines related register, for depositing power supply
The situation of change of Good signal trailing edges, platform reset signal, starting-up signal.
In the case where there is abnormity of power supply power down, if need to perform upper electric boot program, whether to see present system
Whether powered-off fault, i.e. system shut down.If system closedown, need to perform electric boot program.Whether system here shuts down
Judgement can be carried out according to reset signal.For example in above example a high position 1 represents reset signal level, when it is 1,
System is not shut down, the system closedown when it is 0.Can certainly be with other character representations relation.
Further, in order to improve system after powered-off fault it is automatic on establish the security of machine by cable, can be with the strong of monitoring system
Health situation, if the health status of system is normal, just can it is automatic after powered-off fault on establish machine by cable, if the health status of system is not
Normally, then electric boot program is not performed to ensure the safety of system hardware etc..The present embodiment does not limit specific system prison
The criterion of control situation, can be determined by user according to actual conditions.For example here the health status of system can be with
It is indicated by the voltage and temperature of system.It is corresponding according to the power supply power-fail sequential and the reset signal, judge
Whether the system is that powered-off fault can include：
Judge that the trailing edge delta data whether there is 0；
If in the presence of whether judge the reset signal data is 0；
If 0, then judge whether the voltage and temperature of the system are normal；
If normal, whether the system is powered-off fault.
Specifically, can extra monitoring system temperature and voltage, judge the monitoring health status of system.By taking BMC as an example
The voltage sensor and temperature sensor of system are articulated on BMC, and BMC is while the health such as each voltage, temperature of monitoring system
Situation.It 0 is only to represent that power supply power-fail at this position is abnormal with 0 that the present embodiment, which does not limit 0 to be, the 0 of reset signal data
It is also only to limit 0 to represent without reset it is of course possible to which with other character representations, the present embodiment only limits one kind and judges stream
How journey, specifically represent state as each step, can flexibly set.If i.e. the embodiment logic is the presence of abnormity of power supply
Power down, then judge whether to reset, if not resetting, and judges whether voltage and temperature are normal (i.e. whether monitored condition is normal),
Upper electric boot program can be performed if normal.
If S120, powered-off fault, then upper electric boot program is performed.
The step is to perform boot program, makes to establish machine by cable on automatic after system exception power down.And can be it is determined that system is opened
Stop the upper electric boot program of triggering after machine.It is i.e. preferred to need that this be triggered to the position of electric boot program after system boot
It is set to no longer trigger.Starting-up signal position is set to force to set starting-up signal position after starting-up signal, and predetermined hold-time
Not force starting-up signal.
Specifically, the scheduled time herein can be set by user, for example, can be 40ms, the present embodiment to this simultaneously
Without limiting.When system has abnormal, no matter whether system is required for carrying out alarm prompt in open state.This implementation
Example is not defined to specific alarm prompt form.For example when powered-off fault start can not be performed, even described system
Voltage and temperature it is abnormal, including：Prompt system abnormity of power supply (for example can be with lighting system alarm indicator).Fall in exception
Electricity can alert abnormal power supply when still system is in open state.And further can also alarm when log, with
The convenient maintenance being checked in the future and to system.
I.e. still with CPLD, exemplified by power supply Good signals and BMC, refer to Fig. 3, illustrate BMC operation mainly include with
Lower step：
(1) if the detect registers that BMC is obtained have 0bit, while the highest order of power on registers is 0,
System voltage, temperature with reference to monitoring can then write power lowest orders 1 without abnormal, continue to write 0 after 40ms, realize simulation
Power button start shooting.Boot action, lighting system alarm indicator are not performed if exception occur in system voltage, temperature.
(2) if the detect registers that BMC is obtained have 0bit, but the highest order of power on registers is 1,
Then BMC can alert abnormal power supply, and because reset signal is not changed into low level, system is not shut down, simply respective power source
It is abnormal, it is not carried out power-on operation.
The Power Good signal trailing edges of each power supply are detected by using CPLD, power supply power-fail sequential is detected, will
Abnormal conditions are stored in register, and then BMC judges that system is powered-off fault or normal shutdown by reading CPLD registers, if
Powered-off fault, BMC informs electricity in CPLD starts, realizes and establishes machine by cable on automatic after system exception power down, improves hardware system
Reliability.Improve intelligent, the reliability of hardware system.Especially on storage product, when single node is due to unexpected power down,
Electricity on Auto Power On is realized by hardware itself, is that highly significant, the characteristic can be greatly improved to protection Information Security
Product competitiveness.
Further, the present embodiment do not limit judge system whether the cycle of powered-off fault, for ensure this method effect
Can be with real-time judge.Such as BMC polls power-off sequential register.
Based on above-mentioned technical proposal, it is automatic after the system exception power down that the embodiment of the present invention is carried on establish the method for machine by cable, by
CPLD detecting system power-off sequentials, BMC is according to powered-off fault situation, and whether the health status such as voltage, temperature with reference to system are different
Often, independently judge whether it is powered-off fault, improve intelligent, the reliability of hardware system.
The system and equipment of establishing machine on automatic after system exception power down provided in an embodiment of the present invention by cable are situated between below
Continue, it is automatic after systems described below powered-off fault on establish by cable the system and equipment of machine with after system as described above powered-off fault
The method for establishing machine on automatic by cable can be mutually to should refer to.
Refer to Fig. 4, it is after the system exception power down that Fig. 4 is provided by the embodiment of the present invention automatic on establish the system of machine by cable
Structured flowchart；The system can include：
Detection module 100, power supply power-fail sequential and reset signal for detecting system；
Powered-off fault judge module 200, for according to the power supply power-fail sequential and the reset signal, judging described
Whether system is powered-off fault；
Upper electric starting module 300, if being electric boot program in powered-off fault, execution for the system.
Based on above-described embodiment, the detection module 100 can include：
Receive signal element, power supply Good signals whole in the system and reset signal for receiving；
Signal recording unit, for according to the power supply Good signals and the reset signal received, storage to be each
The trailing edge delta data of the power supply Good signals, and reset signal data.
Based on above-described embodiment, the powered-off fault judge module 200 can include：
First judging unit, for judging that the trailing edge delta data whether there is 0；
Second judging unit, if having 0 for the trailing edge delta data, judges that the reset signal data are
No is 0；
3rd judging unit, if for the reset signal data be 0, judge the system voltage and temperature whether
Normally；If normal, whether the system is powered-off fault.
Based on above-described embodiment, the upper electric starting module 300 is specially to set starting-up signal position to force starting-up signal,
And set starting-up signal position to be the module for not forcing starting-up signal after predetermined hold-time.
The embodiment of the present invention also provides a kind of equipment, including：
PLD, power supply power-fail sequential and reset signal for detecting system；
Management Controller, for according to the power supply power-fail sequential and the reset signal, whether judging the system
For powered-off fault；If powered-off fault, then upper electric boot program is performed.
Based on above-described embodiment, the PLD can be CPLD.
Based on above-described embodiment, the Management Controller can be BMC.
Based on above-mentioned any embodiment, PLD can pass through 12C bus downlink connections with Management Controller.
The equipment can also include temperature sensor and voltage sensor carrys out the temperature and voltage of detection device to judge
The monitored condition of equipment.The equipment can be storage device.
The embodiment of each in specification is described by the way of progressive, and what each embodiment was stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of the method or algorithm that the embodiments described herein is described with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The method and system for establishing machine on automatic after a kind of system exception power down provided by the present invention by cable are carried out above
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (10)
1. establish the method for machine on automatic after a kind of system exception power down by cable, it is characterised in that including：
The power supply power-fail sequential and reset signal of detecting system；
Whether according to the power supply power-fail sequential and the reset signal, it is powered-off fault to judge the system；
If powered-off fault, then upper electric boot program is performed.
2. according to the method described in claim 1, it is characterised in that the power supply power-fail sequential and reset signal of detecting system,
Including：
Receive power supply Good signals whole in the system and reset signal；
According to the power supply Good signals received and the reset signal, the decline of each power supply Good signals is stored
Along delta data, and reset signal data.
3. method according to claim 2, it is characterised in that believed according to the power supply power-fail sequential and the reset
Number, whether judge the system is powered-off fault, including：
Judge that the trailing edge delta data whether there is 0；
If in the presence of whether judge the reset signal data is 0；
If 0, then judge whether the voltage and temperature of the system are normal；
If normal, whether the system is powered-off fault.
4. method according to claim 3, it is characterised in that electric boot program in execution, including：
It is to force to set starting-up signal position after starting-up signal, and predetermined hold-time not force start to be believed to set starting-up signal position
Number.
5. method according to claim 4, it is characterised in that if the voltage and temperature of the system are abnormal, including：Carry
Show that the system power supply is abnormal.
6. establish the system of machine on automatic after a kind of system exception power down by cable, it is characterised in that including：
Detection module, power supply power-fail sequential and reset signal for detecting system；
Powered-off fault judge module, for according to the power supply power-fail sequential and the reset signal, judging that the system is
No is powered-off fault；
Upper electric starting module, if being electric boot program in powered-off fault, execution for the system.
7. system according to claim 6, it is characterised in that the detection module, including：
Receive signal element, power supply Good signals whole in the system and reset signal for receiving；
Signal recording unit, for according to the power supply Good signals and the reset signal received, storing each described
The trailing edge delta data of power supply Good signals, and reset signal data.
8. system according to claim 7, it is characterised in that the powered-off fault judge module, including：
First judging unit, for judging that the trailing edge delta data whether there is 0；
Second judging unit, if for the trailing edge delta data exist 0, judge the reset signal data whether be
0；
Whether just 3rd judging unit, if being 0 for the reset signal data, judge the voltage and temperature of the system
Often；If normal, whether the system is powered-off fault.
9. system according to claim 8, it is characterised in that the upper electric starting module is specially to set starting-up signal position
It is the module for not forcing starting-up signal for setting starting-up signal position after pressure starting-up signal, and predetermined hold-time.
10. a kind of equipment, it is characterised in that including：
PLD, power supply power-fail sequential and reset signal for detecting system；
Management Controller, for whether according to the power supply power-fail sequential and the reset signal, it to be different to judge the system
Normal power down；If powered-off fault, then upper electric boot program is performed.
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| CN201710426712.3A CN107145410B (en) | 2017-06-08 | 2017-06-08 | Method, system and equipment for automatically powering on and starting up system after abnormal power failure |
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| CN108919935A (en) * | 2018-07-12 | 2018-11-30 | 浪潮电子信息产业股份有限公司 | Monitoring method, device and equipment for power supply on server mainboard |
| CN109119012A (en) * | 2018-08-27 | 2019-01-01 | 青岛海信电器股份有限公司 | Starting up's method and circuit |
| CN109683696A (en) * | 2018-12-25 | 2019-04-26 | 浪潮电子信息产业股份有限公司 | Fault of server power supply detection system, method, apparatus, equipment and medium |
| CN109933182A (en) * | 2019-03-20 | 2019-06-25 | 浪潮商用机器有限公司 | A kind of server power failure diagnostic method, device and system |
| CN110112699A (en) * | 2019-04-02 | 2019-08-09 | 烽火通信科技股份有限公司 | The method and system that chip re-powers after a kind of power supply hit |
| WO2019173979A1 (en) * | 2018-03-13 | 2019-09-19 | 深圳配天智能技术研究院有限公司 | Robot control system, power supply monitoring method, robot, and storage apparatus |
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| CN110825566A (en) * | 2017-12-30 | 2020-02-21 | 深圳北芯生命科技有限公司 | FFR host with data recovery function |
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| CN108919935A (en) * | 2018-07-12 | 2018-11-30 | 浪潮电子信息产业股份有限公司 | Monitoring method, device and equipment for power supply on server mainboard |
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| CN110112699A (en) * | 2019-04-02 | 2019-08-09 | 烽火通信科技股份有限公司 | The method and system that chip re-powers after a kind of power supply hit |
| CN112463443A (en) * | 2020-11-18 | 2021-03-09 | 北京东土科技股份有限公司 | Server with AC LOSS function and method for automatically powering on and starting up after abnormal power failure |
| CN113064747A (en) * | 2021-03-26 | 2021-07-02 | 山东英信计算机技术有限公司 | Fault positioning method, system and device in server starting process |
| CN113119735A (en) * | 2021-04-22 | 2021-07-16 | 东风汽车集团股份有限公司 | Power-down protection method and circuit for motor control power supply |
| CN113119735B (en) * | 2021-04-22 | 2022-07-01 | 东风汽车集团股份有限公司 | Power-down protection method and circuit for motor control power supply |
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