CN101714116A - Terminal machine and monitoring method thereof - Google Patents
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Abstract
The invention is suitable for the field of computers and provides a terminal machine and a fault monitoring method thereof. The terminal machine comprises a core control board and a programmable logic device, wherein the core control board comprises a self-checking unit and a monitoring unit, and the self-checking unit and the monitoring unit monitor the terminal machine when the terminal machine starts up and transmit the monitored fault and component state to the programmable logic device; the programmable logic device compares the component state of the terminal machine with the standard state of a preset component to obtain the analysis result of the component state, and then, the fault of the terminal machine is matched with a fault model in a preset fault model database to obtain a fault analysis result. The terminal controller provided by the invention improves the level of hommization and intellectualization, greatly improves the on-site examinability of the terminal machine application, can quickly and accurately position the fault sites in time and improves the reliability, stability, preventability and safety of the terminal machine.
Description
Technical field
The invention belongs to computer realm, relate in particular to the monitoring method of a kind of terminal machine and terminal machine.
Background technology
Along with the continuous development of science and technology, computing machine is increasing in the popularity rate of every field, and computed user is also more and more.But the composition structure of computing machine and ultimate principle thereof are concerning most of users, too strange and abstruse, therefore, the user is in computed process, variety of issue inevitably appears, as badly causing part aging because of environment for use or damaging interface or parts because of static and thunderbolt etc.; Or when moving certain application program, phenomenons such as deadlock, Bai Ping may appear in the reason such as incompatible owing to the restriction of computer hardware resource or software resource, use a computer to the user and bring great inconvenience.Particularly in the automatic control technology field.Automatic control technology is in industry spot at present, automatic assembly line, traffic, finance, every profession and trades such as electric power have obtained using widely, automatic control technology has adopted the great amount of terminals controller, as automatization terminal controllers such as industrial computer, extraordinary computer, integral intelligent machines, these terminal machines mainly are made up of critical components such as arithmetic element, control module, storage unit, input-output units, be used to control the work of slave computer and matching unit thereof, carry out communication with host computer simultaneously.
Along with improving constantly of automaticity, (Mean Time To Repair MTTR) has higher requirement to the reliability of terminal machine and Mean Corrective-Maintenance Time.At present the terminal machine that adopts of each field does not generally possess automatic diagnosis and monitoring function, after production line that terminal machine is controlled or industrial field devices etc. break down, need investigate failure cause by the field technician.At first need to spend the more time to investigating by the total system of terminal machine control, when investigating is that terminal machine is when breaking down, need again the fault of terminal machine is investigated, sometimes even need the technician of the manufacturer of contact terminal machine to come on-the-spot assistance to analyze, cause the malfunction elimination time long, have a strong impact on production, cause great economic loss.So work as terminal machine because of internal temperature, voltage, thereby parts or charge capacity etc. cause its deadlock unusually or restart the production line that causes its control or execute-in-place carries out malfunction elimination when breaking down again, not only because the fault that has taken place has been incured loss through delay the time, and the fault that has taken place is investigated analysis need spend the more time, and take place owing to fault this moment, thereby cause the damage of associated components.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of terminal machine, be intended to solve the existing terminal machine malfunction elimination time long, cost is high, security and the low problem of reliability.
The embodiment of the invention is achieved in that a kind of terminal machine, comprises the core control panel, and described terminal machine comprises also and the programmable logic device (PLD) of described core control panel by the local bus communication that described core control panel comprises:
Self-test unit is used at the terminal machine start process terminal machine being monitored, and when monitoring fault, by local bus fault is transferred to described programmable logic device (PLD);
Monitoring unit is used in terminal machine start back the fault and the unit status of terminal machine being monitored, and fault and the unit status that monitors is transferred to described programmable logic device (PLD) by local bus;
Described programmable logic device (PLD) comprises:
Storage unit is used for storage failure model database and component standards state;
Control module, the fault and/or the unit status that are used for transferring to the terminal machine of programmable logic device (PLD) transfer to corresponding processing unit;
The unit status analytic unit is used for the unit status of the terminal machine of described control module transmission and the component standards state that described storage unit is stored are compared, and obtains the unit status analysis result; And
The fault analysis unit is used for the fault model in the fault of the terminal machine of described control module transmission and the fault model database that described storage unit is stored is mated, and obtains the fault analysis result.
Another purpose of the embodiment of the invention is to provide a kind of monitoring method of terminal machine, and described method comprises the steps:
Self-test unit is monitored terminal machine in the terminal machine start process, and the fault that monitors is transferred to programmable logic device (PLD);
Monitoring unit is monitored the fault and the unit status of terminal machine, and fault and the unit status that monitors is transferred to programmable logic device (PLD) after the terminal machine start is finished;
Fault and/or unit status that control module will transfer to the terminal machine of programmable logic device (PLD) transfer to corresponding processing unit;
The unit status analytic unit compares programmable logic device (PLD) unit status that receives and the component standards state of presetting, and obtains the unit status analysis result;
The fault analysis unit mates the fault model in programmable logic device (PLD) fault that receives and the fault model database of presetting, and obtains the fault analysis result.
The terminal machine that the embodiment of the invention provides is just monitored terminal machine from the start beginning by self-test unit and monitoring unit, and fault and the unit status that monitors transferred to programmable logic device (PLD), by programmable logic device (PLD) fault and unit status are analyzed, thereby can be quick, accurately, the trouble spot of locating terminal controller timely, improved the reliability of terminal machine, stability, preventative and security, improve the hommization and the intelligentized level of terminal machine, improved the scene maintenance property that terminal machine is used greatly.
Description of drawings
Fig. 1 is the structured flowchart of the terminal machine that provides of the embodiment of the invention;
Fig. 2 is the realization flow figure of the monitoring method of the terminal machine that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, provide a kind of comprise the core control panel and with the terminal machine of the programmable logic device (PLD) of core control panel by the local bus communication, this core control panel comprises and being used at self-test unit that the terminal machine start process is monitored terminal machine and the monitoring unit of after the terminal machine start terminal machine being monitored, the core control panel transfers to programmable logic device (PLD) by local bus with fault or the unit status that monitors, programmable logic device (PLD) is analyzed fault according to default fault model database, according to default component standards state unit status is analyzed, thereby can be accurate, fast, the trouble spot of locating terminal controller timely, have high reliability and high stability, and can monitor the unusual of unit status, have certain risk-aversion ability.
Fig. 1 shows the structure of the terminal machine that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
This terminal machine comprises core control panel 1, and with core control panel 1 programmable logic device (PLD) 2 by the local bus communication.Wherein local bus includes but not limited to low pin count (Low Pin Count, LPC) bus, Peripheral Component Interconnect standard (Peripheral Component Interconnect, PCI) bus and Serial Peripheral Interface (serial peripheral interface, SPI) bus.Wherein core control panel 1 is for having increased the core control panel after self-test unit 11, monitoring unit 12 and first local bus interface 13 in existing core control panel.Programmable logic device (PLD) 2 can for field programmable gate array (Field-Programmable Gate Array, FPGA), CPLD (ComplexProgrammable Logic Device, CPLD) or single-chip microcomputer.First local bus interface 13 can be lpc bus interface, pci bus interface or spi bus interface.
Wherein self-test unit 11 is monitored terminal machine in the terminal machine start process, and when monitoring fault, by first local bus interface 13 fault is transferred to programmable logic device (PLD) 2.This self-test unit 11 is one group and meets the configuration of core control panel start operation logic order and check code, allows to move automatically.In another embodiment of the present invention, this self-test unit 11 generates corresponding failure code when monitoring the trouble spot of terminal machine, and failure code is transferred to programmable logic device (PLD) 2 by first local bus interface 13.
In another embodiment of the present invention, this self-test unit 11 also comprises analog detection module 111.This analog detection module 111 is in the terminal machine start process, carry out analog communication with programmable logic device (PLD) 2, whether the key interface of monitoring terminal controller and parts break down, and when breaking down, fault are transferred to programmable logic device (PLD) 2 by first local bus interface 13.Its detailed process is as follows: analog detection module 111 is in the terminal machine start process, carry out analog communication with programmable logic device (PLD) 2, whether the key interface of monitoring terminal controller and parts break down, and when monitoring the trouble spot, generate corresponding failure code, and failure code is transferred to programmable logic device (PLD) 2.Wherein analog detection module 111 needs the key interface of the terminal machine of monitoring to include but not limited to serial communication interface (SerialCommunication Port, com port), parallel interface (Parallel Port, the LPT mouth), general input/output port (General Purpose I/O Port, the GPIO mouth), local network mouth (Local Area Network, the LAN mouth) one or more in, the parts of the terminal machine that need monitor include but not limited to one or more in processor, internal memory, display unit and the scratch pad memory.
Wherein programmable logic device (PLD) 2 comprises second local bus interface 21, storage unit 22, unit status analytic unit 23, fault analysis unit 24 and control module 25.Wherein:
Unit status analytic unit 23 compares the component standards state of storing in the unit status of the terminal machine of control module 25 transmission and the storage unit 22, obtains the unit status analysis result.In embodiments of the present invention, in the scope of the component standards state that the unit status of the terminal machine that second local bus interface 21 receives is stored in storage unit 22, the unit status analysis result that then obtains is that the parts operation is normal, otherwise is the parts operation exception.
When the fault of unit status that monitors terminal machine and terminal machine, in order in time to remind the user, in another embodiment of the present invention, this programmable logic device (PLD) comprises output unit 26 and alarm unit 27.Wherein:
The fault analysis result that unit status analysis result that output unit 26 output block state analysis unit 23 obtain and/or fault analysis unit 24 obtain.In order to make the user clearly understanding be arranged to the unit status of terminal machine, be convenient to the user terminal machine is overhauled, in another embodiment of the present invention, this output unit 26 is also exported the unit status of the terminal machine of second local bus interface, 21 receptions.Wherein the mode of output block state analysis result, fault analysis result and unit status can be existing any one way of output, as showing output, acoustic control output etc., does not limit at this.
Because the adaptable scope of terminal machine is wider, its applied environment also varies, and is applicable to different fields, different environment in order to make terminal machine, in the preferred embodiment of the present invention, this programmable logic device (PLD) 2 also comprises unit status dispensing unit 28.This unit status dispensing unit 28 receives and stores user configured component standards state.Like this, the user can dispose corresponding component standards state according to the different application environment and the field of terminal machine.
The core control panel of the terminal machine that the embodiment of the invention provides comprises self-test unit and monitoring unit, thereby terminal machine is just monitored from the start beginning, and fault and the unit status that monitors transferred to programmable logic device (PLD) by local bus, by programmable logic device (PLD) fault and unit status are analyzed, thereby hommization and intelligentized level have been improved, improved the scene maintenance property that terminal machine is used greatly, can be quick, accurately, fault location point has timely improved the reliability of terminal machine, stability, preventative and security.
This terminal machine can be widely used in fields such as industry spot, communications and transportation, electric power, finance.
Fig. 2 shows the realization flow of the fault monitoring method of the terminal machine that the embodiment of the invention provides, and details are as follows:
In step S101, self-test unit is monitored terminal machine in the terminal machine start process, and is monitoring terminal machine when breaking down, execution in step S103, in self check just often, execution in step S102.
In the preferred embodiment of the present invention, monitor terminal machine when breaking down in self-test unit, generate corresponding failure code after, execution in step S103.
In the preferred embodiment of the present invention, step S101 also comprises the steps:
The analog detection module is carried out analog communication by local bus and programmable logic device (PLD) in the terminal machine start process, whether the key interface of monitoring terminal controller and parts break down, and when breaking down, fault is transferred to programmable logic device (PLD) by local bus.Wherein need the key interface of the terminal machine of monitoring to include but not limited in com port, LPT mouth, GPIO mouth, the LAN mouth one or more, need the parts of the terminal machine of monitoring to include but not limited in processor, internal memory, display unit and the scratch pad memory one or more.
In step S102, monitoring unit is monitored the fault and the unit status of terminal machine after the terminal machine start is finished.
The unit status that wherein needs to monitor includes but not limited to cpu load amount, CPU core running temperature, the network bandwidth, system temperature, principal voltage etc.Wherein principal voltage includes but not limited to system voltage, processor voltage, input and output voltage etc.Monitoring unit mainly is to realize that by the monitoring to the communication interface commonly used of terminal machine wherein the communication interface commonly used of terminal machine includes but not limited to one or more in com port, LPT mouth, GPIO mouth, the LAN mouth to the malfunction monitoring of terminal machine.Wherein the concrete grammar that the unit status of terminal machine is monitored belongs to prior art, does not repeat them here.
In the preferred embodiment of the present invention, monitor terminal machine when breaking down at monitoring unit, generate corresponding failure code.
In step S103, the fault that self-test unit is monitored and monitoring means monitors fault and unit status transfers to programmable logic device (PLD) by local bus.
When the fault that monitors terminal machine at monitoring unit, when generating corresponding failure code, in another embodiment of the present invention, the failure code of self-test unit generation and the failure code and the unit status of monitoring means generation are transferred to programmable logic device (PLD) by local bus.
In step S104, fault and/or unit status that control module will transfer to the terminal machine of programmable logic device (PLD) transfer to corresponding processing unit.Wherein Dui Ying processing unit includes but not limited to unit status analytic unit, fault analysis unit, output unit, alarm unit etc.
In step S105, the unit status analytic unit compares the unit status of the terminal machine of control module transmission with the component standards state of presetting, obtain the unit status analysis result.
In embodiments of the present invention, in the component standards state range that the unit status of the terminal machine that control module transmits is being preset, the unit status analysis result that then obtains is that the parts operation is normal, otherwise is the parts operation exception.
In step S106, the fault analysis unit mates the fault of the terminal machine of control module transmission and fault model in the default fault model database, obtains the fault analysis result.
In another embodiment of the present invention, when programmable logic device (PLD) received the failure code of terminal machine, then step S106 was specially:
The fault analysis unit mates the failure code of the terminal machine of control module transmission and fault model in the default fault model database, obtains the fault analysis result.
When the fault of unit status that monitors terminal machine and terminal machine, in order in time to remind the user, in the preferred embodiment of the present invention, this method also comprises the steps:
In step S107, the fault analysis result that unit status analysis result that output unit output block state analysis unit obtains and/or fault analysis unit obtain.
In order to make the user clearly understanding be arranged to the unit status of terminal machine, being convenient to the user overhauls and malfunction elimination terminal machine, in the preferred embodiment of the present invention, in step S107, output unit is also exported the unit status of the terminal machine of programmable logic device (PLD) reception.Wherein the mode of output block state analysis result, fault analysis result and unit status can be existing any one way of output, as showing output, acoustic control output etc., does not limit at this.
When the unit status of fault that monitors terminal machine or terminal machine is unusual, in order to warn the user, improve user's notice, in the preferred embodiment of the present invention, this method also comprises the steps:
In step S108, alarm unit receives the fault of terminal machine and/or when the unit status analysis result that the unit status analytic unit obtains is the parts operation exception in programmable logic device (PLD), the processing of reporting to the police of the peripheral warning device of control.
Because the adaptable scope of terminal machine is wider, its applied environment also varies, and is applicable to different fields in order to make terminal machine, different environment, and in the preferred embodiment of the present invention, this method also comprises the steps:
The unit status dispensing unit receives and stores user configured component standards state.Like this, the user can be according to the different application environment and the field of terminal machine, the component standards state that configuration adapts to.
In embodiments of the present invention, provide a kind of comprise the core control panel and with the terminal machine of the programmable logic device (PLD) of core control panel by the local bus communication, this core control panel comprises and being used at self-test unit that the terminal machine start process is monitored terminal machine and the monitoring unit of after the terminal machine start terminal machine being monitored, the core control panel transfers to programmable logic device (PLD) by local bus with fault or the unit status that monitors, programmable logic device (PLD) is analyzed fault according to default fault model database, according to default component standards state unit status is analyzed, thereby can be accurate, fast, the trouble spot of locating terminal controller timely, has high reliability, high stability and high security, and can monitor the unusual of unit status, have certain risk-aversion ability.And owing to, report to the police by the peripheral warning device of alarm unit control, thereby reminded the user timely monitoring that terminal machine breaks down or unit status when unusual.By output unit output block state analysis result, fault analysis result or unit status, terminal machine is overhauled and safeguard thereby be convenient to the user, reduced the Mean Time To Repair of terminal machine.Receive and memory unit standard state by the unit status dispensing unit simultaneously, thereby the component standards state that makes the user adaptation is set, thereby make this terminal machine better be applicable to different application environment and field according to the application and the applied environment of terminal machine.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a terminal machine comprises the core control panel, it is characterized in that, described terminal machine comprises also and the programmable logic device (PLD) of described core control panel by the local bus communication that described core control panel comprises:
Self-test unit is used at the terminal machine start process terminal machine being monitored, and when monitoring fault, by local bus fault is transferred to described programmable logic device (PLD);
Monitoring unit is used in terminal machine start back the fault and the unit status of terminal machine being monitored, and fault and the unit status that monitors is transferred to described programmable logic device (PLD) by local bus;
Described programmable logic device (PLD) comprises:
Storage unit is used for storage failure model database and component standards state;
Control module, the fault and/or the unit status that are used for transferring to the terminal machine of programmable logic device (PLD) transfer to corresponding processing unit;
The unit status analytic unit is used for the unit status of the terminal machine of described control module transmission and the component standards state that described storage unit is stored are compared, and obtains the unit status analysis result; And
The fault analysis unit is used for the fault model in the fault of the terminal machine of described control module transmission and the fault model database that described storage unit is stored is mated, and obtains the fault analysis result.
2. terminal machine as claimed in claim 1 is characterized in that,
Described self-test unit generates corresponding failure code when monitoring the fault of terminal machine, and by local bus failure code is transferred to described programmable logic device (PLD);
Described monitoring unit generates corresponding failure code when monitoring the fault of terminal machine, and by local bus failure code is transferred to described programmable logic device (PLD); At this moment
The failure code that described control module will transfer to the terminal machine of programmable logic device (PLD) transfers to corresponding processing unit;
Described fault analysis unit mates the fault model in the fault model database of storing in the failure code of the terminal machine of described control module transmission and the described storage unit, obtains the fault analysis result.
3. terminal machine as claimed in claim 1 is characterized in that, described self-test unit also comprises:
The analog detection module, be used at the terminal machine start process, carry out analog communication with described programmable logic device (PLD), whether the key interface of monitoring terminal controller and parts break down, and when breaking down, by local bus fault is transferred to described programmable logic device (PLD), described key interface comprises one or more in serial communication interface, parallel interface, general input/output port and the local network mouth, and described parts comprise one or more in processor, internal memory, display unit and the scratch pad memory.
4. terminal machine as claimed in claim 1 is characterized in that, described programmable logic device (PLD) is field programmable gate array, CPLD or single-chip microcomputer.
5. terminal machine as claimed in claim 1 is characterized in that, described programmable logic device (PLD) also comprises:
Output unit is used to export the fault analysis result that unit status analysis result that described unit status analytic unit obtains and/or described fault analysis unit obtain; And/or
Alarm unit is used for receiving the fault of terminal machine and/or when the unit status analysis result that described unit status analytic unit obtains is the parts operation exception in described programmable logic device (PLD), the processing of reporting to the police of the peripheral warning device of control.
6. as the described terminal machine of the arbitrary claim of claim 1 to 5, it is characterized in that described programmable logic device (PLD) also comprises:
The unit status dispensing unit is used for receiving and storing user configured component standards state.
7. the monitoring method of a terminal machine is characterized in that, described method comprises the steps:
Self-test unit is monitored terminal machine in the terminal machine start process, and the fault that monitors is transferred to programmable logic device (PLD);
Monitoring unit is monitored the fault and the unit status of terminal machine, and fault and the unit status that monitors is transferred to programmable logic device (PLD) after the terminal machine start is finished;
Fault and/or unit status that control module will transfer to the terminal machine of programmable logic device (PLD) transfer to corresponding processing unit;
The unit status analytic unit compares the unit status of control module transmission with the component standards state of presetting, obtain the unit status analysis result;
The fault analysis unit mates the fault model in control module fault of transmitting and the fault model database of presetting, and obtains the fault analysis result.
8. method as claimed in claim 7 is characterized in that described method also comprises the steps:
Self-test unit is carried out analog communication with programmable logic device (PLD) in the terminal machine start process, whether the key interface of monitoring terminal controller and parts break down, and when breaking down, fault is transferred to programmable logic device (PLD), described key interface comprises one or more in serial communication interface, parallel interface, general input/output port and the local network mouth, and described parts comprise one or more in processor, internal memory, display unit and the scratch pad memory.
9. method as claimed in claim 7 is characterized in that described method also comprises the steps:
The fault analysis result that unit status analysis result that output unit output block state analysis unit obtains and/or fault analysis unit obtain; And/or
Alarm unit is in the fault of the terminal machine that receives control module transmission and/or when the unit status analysis result that the unit status analytic unit obtains is the parts operation exception, the processing of reporting to the police of the peripheral warning device of control.
10. as the described method of the arbitrary claim of claim 7 to 9, it is characterized in that described method also comprises the steps:
The unit status dispensing unit receives and stores user configured component standards state.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136085A (en) * | 2011-11-24 | 2013-06-05 | 联想移动通信科技有限公司 | Method for recoding state of intelligent terminal and intelligent terminal |
| CN104076808A (en) * | 2013-03-28 | 2014-10-01 | 研祥智能科技股份有限公司 | Fault diagnosis system and method for industrial control equipment |
| CN105955861A (en) * | 2016-05-19 | 2016-09-21 | 努比亚技术有限公司 | Fault detection apparatus and method as well as mobile terminal |
| CN105979092A (en) * | 2016-05-13 | 2016-09-28 | 腾讯科技（深圳）有限公司 | Abnormity monitoring method and device |
| CN106130786A (en) * | 2016-07-26 | 2016-11-16 | 腾讯科技（深圳）有限公司 | The detection method of a kind of network failure and device |
| CN107589732A (en) * | 2016-07-06 | 2018-01-16 | 深圳市祈飞科技有限公司 | The fault detection method and system of a kind of terminal machine |
| CN108878400A (en) * | 2018-05-21 | 2018-11-23 | 阮晓萍 | A kind of failure of chip self-diagnosing method |
| CN113110378A (en) * | 2021-03-30 | 2021-07-13 | 深圳市吉方工控有限公司 | Terminal control machine and intelligent detection and diagnosis method |
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- 2009-09-29 CN CN200910190519XA patent/CN101714116B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136085A (en) * | 2011-11-24 | 2013-06-05 | 联想移动通信科技有限公司 | Method for recoding state of intelligent terminal and intelligent terminal |
| CN104076808A (en) * | 2013-03-28 | 2014-10-01 | 研祥智能科技股份有限公司 | Fault diagnosis system and method for industrial control equipment |
| CN104076808B (en) * | 2013-03-28 | 2019-04-12 | 研祥智能科技股份有限公司 | The fault diagnosis system and method for industrial control equipment |
| CN105979092A (en) * | 2016-05-13 | 2016-09-28 | 腾讯科技（深圳）有限公司 | Abnormity monitoring method and device |
| CN105979092B (en) * | 2016-05-13 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Abnormity monitoring method and device |
| CN105955861A (en) * | 2016-05-19 | 2016-09-21 | 努比亚技术有限公司 | Fault detection apparatus and method as well as mobile terminal |
| CN107589732A (en) * | 2016-07-06 | 2018-01-16 | 深圳市祈飞科技有限公司 | The fault detection method and system of a kind of terminal machine |
| CN106130786A (en) * | 2016-07-26 | 2016-11-16 | 腾讯科技（深圳）有限公司 | The detection method of a kind of network failure and device |
| CN106130786B (en) * | 2016-07-26 | 2019-05-07 | 腾讯科技（深圳）有限公司 | A kind of detection method and device of network failure |
| CN108878400A (en) * | 2018-05-21 | 2018-11-23 | 阮晓萍 | A kind of failure of chip self-diagnosing method |
| CN113110378A (en) * | 2021-03-30 | 2021-07-13 | 深圳市吉方工控有限公司 | Terminal control machine and intelligent detection and diagnosis method |
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| CN101714116B (en) | 2012-05-30 |
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