CN107703787B - Digital printing apparatus fault control method based on big data - Google Patents
Digital printing apparatus fault control method based on big data Download PDFInfo
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- CN107703787B CN107703787B CN201710709025.2A CN201710709025A CN107703787B CN 107703787 B CN107703787 B CN 107703787B CN 201710709025 A CN201710709025 A CN 201710709025A CN 107703787 B CN107703787 B CN 107703787B
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- governor circuit
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- main line
- printer governor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24029—Alarm if wrong device, apparatus is connected to control module
Abstract
The invention discloses a kind of digital printing apparatus fault control method based on big data, including system initialization and etc.；The invention avoids the main line voltage rapid increase of printer governor circuit, timely stopping alarm not will cause burning for motor control single-chip microcontroller then.
Description
Technical field
The invention belongs to generation information technology fields, and in particular to a kind of digital printing apparatus failure based on big data
Control method.
Background technique
Currently, digital printing apparatus production firm adapts to the type of itself, sample by making an amendment on the firmware of open source
Functional test after the completion of machine research and development is observed by printing repeatedly based on traditional range estimation and collects its abnormality.
But this method function coverage is low：Due to the moulding of mimeograph documents and the restriction of print speed, traditional test mistake
Motion control in journey can not cover the arbitrary motion path based on arbitrary motion rate, therefore, it is impossible to guarantee that printer is being beaten
It will appear the abnormal conditions as caused by firmware when printing the file not printed before some, and electric current can pass through driving circuit
The main line for flowing to printer governor circuit causes the main line voltage rapid increase of printer governor circuit, if not in time
Stopping alarm, it will cause burning for motor control single-chip microcontroller.
Summary of the invention
The purpose of the invention is to overcome above-mentioned deficiency to provide a kind of digital printing apparatus failure control based on big data
Method processed；
A kind of digital printing apparatus fault control method based on big data of the present invention, includes the following steps：
Step 1：System initialization；
Step 2：The main line of printer governor circuit and the analog signal of driving circuit are acquired, to collected simulation
Signal is handled, and processed signal is then packaged into message and is sent to processor module；
Step 3：Processor module carries out fault logic judgement according to the message, and by fault logic judging result editor
At log text；
Step 4：Processor module carries out Fault Control to the printer governor circuit according to fault logic judging result.
Include the following steps before the main line of the acquisition printer governor circuit and the analog signal of driving circuit：
Establish test case；
Send single-chip microcontroller of the test case into the governor circuit of the tested printer.
It is described to collected analog signal carry out processing specifically include following steps：
Collected analog signal is filtered；
Then filtered analog signal is converted into digital signal.
The analog signal acquired in the step 2 is current signal and voltage signal.
It carries out fault logic judgement and failure is carried out to the printer governor circuit according to fault logic judging result
Control includes the following steps：
When printer governor circuit main line electric current flow direction be timing, n printer governor circuit of continuous acquisition
Main line voltage value, and ascending it is arranged as V1, V2, V3..., Vn, then the sample of the main line voltage of printer governor circuit
Mean value and sample standard deviation are respectively：
The inspection of outlier is carried out to the main line voltage sample of the printer governor circuit of acquisition using Grubbs test method
It surveys and rejects, Counting statistics amount：
It determines and detects horizontal α, corresponding n, the critical value G of α are found in Grubbs Law tables of critical values1-α(n)；
Determine whether to work as G with outliern> G 'nAnd Gn> G1-α(n), determine VnFor outlier；As G 'n> GnAnd G 'n
> G1-α(n), then determine V1For outlier；Otherwise it is judged to no outlier；
After rejecting outlier, printer is recalculated according to the main line voltage sample value of remaining printer governor circuit
The mean value of the main line voltage of governor circuit, the current value of the main line voltage as printer governor circuit
Read printer governor circuit driving circuit voltage value, use with upper type carry out outlier detection with pick
It removes, obtains the driving circuit voltage current value of printer governor circuit
IfWithValue it is close, illustrate that system is normal,WithValue be added after be averaged as current printing
The main line voltage value of machine governor circuit
IfWithValue difference it is larger, illustrate that printer governor circuit has already appeared failure；IfFront and back 5 times
Value differ larger, explanationBe likely to occur problem, at this time ifNearest 5 values are not much different, and should use at this timeMost
Main line voltage of the average value of nearly several sub-values as current printer governor circuit；IfThe value difference that front and back is 5 times is larger,
ExplanationBe likely to occur problem, at this time ifNearest 5 values are not much different, and should useValue several times is averaged recently
It is worth the main line voltage as current printer governor circuit；
IfWithValue difference it is larger, andA few sub-value differences are also larger before and after the two itself, illustrate to print
There is catastrophe failure in machine governor circuit；OrWithValue difference it is larger, although5 sub-value phases before and after the two itself
It is poor little, also illustrate that catastrophe failure occurs in printer governor circuit, alarm signal should all be issued at this time and shut down.
When there is catastrophe failure in printer governor circuit, after issuing alarm signal and shutting down, progress printer governor circuit
Fault inquiry.
The invention avoids the main line voltage rapid increase of printer governor circuit, timely stopping alarm will not then be made
At burning for motor control single-chip microcontroller.
Detailed description of the invention
Fig. 1 is digital printing apparatus fault control system structural schematic diagram；
Fig. 2 is processor module structural schematic diagram in Fig. 1；
Specific embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated：
A kind of digital printing apparatus fault control method based on big data of the present invention, includes the following steps：
Step 1：System initialization；
Step 2：The main line of printer governor circuit and the analog signal of driving circuit are acquired, to collected simulation
Signal is handled, and processed signal is then packaged into message and is sent to processor module；
Step 3：Processor module carries out fault logic judgement according to the message, and by fault logic judging result editor
At log text；
Step 4：Processor module carries out Fault Control to the printer governor circuit according to fault logic judging result.
Include the following steps before the main line of the acquisition printer governor circuit and the analog signal of driving circuit：
Establish test case；
Send single-chip microcontroller of the test case into the governor circuit of the tested printer.
It is described to collected analog signal carry out processing specifically include following steps：
Collected analog signal is filtered；
Then filtered analog signal is converted into digital signal.
The analog signal acquired in the step 2 is current signal and voltage signal.
It carries out fault logic judgement and failure is carried out to the printer governor circuit according to fault logic judging result
Control includes the following steps：
When printer governor circuit main line electric current flow direction be timing, n printer governor circuit of continuous acquisition
Main line voltage value, and ascending it is arranged as V1, V2, V3..., Vn, then the sample of the main line voltage of printer governor circuit
Mean value and sample standard deviation are respectively：
The inspection of outlier is carried out to the main line voltage sample of the printer governor circuit of acquisition using Grubbs test method
It surveys and rejects, Counting statistics amount：
It determines and detects horizontal α, corresponding n, the critical value G of α are found in Grubbs Law tables of critical values1-α(n)；
Determine whether to work as G with outliern> G 'nAnd Gn> G1-α(n), determine VnFor outlier；As G 'n> GnAnd G 'n
> G1-α(n), then determine V1For outlier；Otherwise it is judged to no outlier；
After rejecting outlier, printer is recalculated according to the main line voltage sample value of remaining printer governor circuit
The mean value of the main line voltage of governor circuit, the current value of the main line voltage as printer governor circuit
Read printer governor circuit driving circuit voltage value, use with upper type carry out outlier detection with pick
It removes, obtains the driving circuit voltage current value of printer governor circuit
IfWithDifference amplitude be less than 5V, illustrate that system is normal,WithValue be added after be averaged conduct
The main line voltage value of current printer governor circuit
IfWithDifference amplitude be greater than 5V, illustrate that printer governor circuit has already appeared failure；IfFront and back
Maximum value and minimum value differ by more than 5V, explanation in 5 valuesBe likely to occur problem, at this time ifIn nearest 5 values
Maximum value and minimum value difference are less than 5V, should use at this timeThe average value of nearest several sub-values is as current printer governor circuit
Main line voltage；IfMaximum value and minimum value differ by more than 5V, explanation in the value that front and back is 5 timesProblem is likely to occur,
At this time ifMaximum value and minimum value difference are less than 5V in nearest 5 values, should useThe average value of value several times recently
Main line voltage as current printer governor circuit；
IfWithDifference amplitude be greater than 5V, andThe two itself respectively in several sub-values in front and back maximum value and
Minimum value differs by more than 5V, illustrates that catastrophe failure occurs in printer governor circuit；OrWithDifference amplitude be greater than 5V,
AlthoughMaximum value and minimum value difference are less than 5V in the respective several sub-values in front and back of the two itself, also illustrate printer master control
There is catastrophe failure in circuit, should all issue alarm signal at this time and shut down.
Pass throughValue the voltage value of current driver circuit has been determinedThe then calculation formula of discharge voltage threshold value
For：
Fault control system used in the above method includes alarm module, processor module, current acquisition module, voltage reading
Modulus block and voltage acquisition module, the signal input part phase of the signal output end all the way and alarm module of the processor module
Even, the another way signal output end of the processor module and the signal of power switch control module in printer governor circuit are defeated
Enter end to be connected, the signal output end and processor die of the current acquisition module, voltage read module and voltage acquisition module
The signal input part of block is connected, and the signal acquisition terminal of the current acquisition module and voltage acquisition module connects printer master control
The main line of circuit, the signal-obtaining end of the voltage read module connect the driving circuit in printer governor circuit.
The current acquisition module is used to acquire the main line electric current of printer governor circuit；
The voltage acquisition module is used to acquire the main line voltage value of printer governor circuit；
The voltage read module is used to read the voltage value of driving circuit；
The processor module is used to read the signal of printer governor circuit, and carries out fault logic to the signal of reading
Judgement, and Fault Control is carried out to the printer governor circuit according to fault logic judging result.
The alarm module is used to receive the fault message of processor module sending and alarms.
The processor module specifically includes：
Current direction judging unit, the flow direction of the main line electric current for judging printer governor circuit, as printing owner
The flow direction for controlling the main line electric current of circuit is timing, notifies the master of n printer governor circuit of voltage acquisition module continuous acquisition
Line voltage value；
Voltage alignment unit, for by the ascending row of main line voltage value of n printer governor circuit of continuous acquisition
It is classified as V1, V2, V3..., Vn；
Voltage sample mean value and sample standard deviation computing unit, for calculating printer governor circuit according to the following formula
Main line voltage sample mean value and sample standard deviation, the sample average of voltage is：
The sample standard deviation value of voltage is：
Outlier culling unit plays acquisition using Grubbs test method for rejecting outlier according to the following formula
The main line voltage sample of print machine governor circuit carries out the detection and rejecting of outlier, Counting statistics amount：
It determines and detects horizontal α, corresponding n, the critical value G of α are found in Grubbs Law tables of critical values1-α(n)；
Determine whether to work as G with outliern> G 'nAnd Gn> G1-α(n), determine VnFor outlier；As G 'n> GnAnd G 'n
> G1-α(n), then determine V1For outlier；Otherwise it is judged to no outlier；
Main line voltage computation unit, for the main line voltage of remaining printer governor circuit after outlier will to be rejected
Sampled value recalculates the mean value of the main line voltage of printer governor circuit, the main line voltage as printer governor circuit
Current value
Driving circuit voltage computation unit peels off for reading the driving circuit voltage value of printer governor circuit
The detection and rejecting of value, obtain driving circuit voltage current value
Comparing unit, for comparing the current value of main line voltageWith driving circuit voltage current valueIt is whether close；
Judging unit, for being judged according to following rule, ifWithValue it is close, illustrate that system is normal,
WithValue be added after be averaged main line voltage value as current printer governor circuitIfWithValue
It differs larger, illustrates that printer governor circuit has already appeared failure；IfThe value that front and back is 5 times differs larger, explanationIt may
Go wrong, at this time ifNearest 5 values are not much different, and should use at this timeThe average value of nearest several sub-values, which is used as, works as
The main line voltage of preceding printer governor circuit；IfThe value that front and back is 5 times differs larger, explanationIt is likely to occur problem, this
Shi RuguoNearest 5 values are not much different, and should useThe average value of value several times is as current printer master control electricity recently
The main line voltage on road；IfWithValue difference it is larger, andA few sub-value differences are also larger before and after the two itself,
Illustrate that catastrophe failure occurs in printer governor circuit；OrWithValue difference it is larger, althoughBefore and after the two itself
5 sub-values are not much different, and also illustrate that catastrophe failure occurs in printer governor circuit；
Alarm signal trigger unit, for triggering and reporting to alarm module when catastrophe failure occurs in printer governor circuit
Alert signal；
Stopping signal trigger unit, for controlling mould to power switch when catastrophe failure occurs in printer governor circuit
Block triggers stopping signal.
When there is catastrophe failure in printer governor circuit, after issuing alarm signal and shutting down, progress printer governor circuit
Fault inquiry, specific step is as follows for fault inquiry：
Step 1：By the configuration file of the governor circuit data input inquiry system for the printer governor circuit for needing to inquire；
Step 2：The inquiry system reads the configuration file, and governor circuit information in configuration file is loaded into inquiry
The display of system；
Step 3：The single-chip microcontroller of inquiry system and printer governor circuit is established and is communicated；
Step 4：Judge that can inquiry system normally be connected to printer governor circuit, as can then turning in next step, otherwise to show
Show that device shows the prompt of connection failure and return step 3；
Step 5：Inquiry system reads the status data of printer governor circuit, and by the configuration file to status number
According to carry out parsing and logic summarize, i.e., judge printer governor circuit status data whether include forced stoppage record and alarm remember
Record goes to step 7 if not including such as comprising going to step 6；
Step 6：If printer governor circuit status data includes protection act and alarm signal, illustrate printer master control
There is exception in circuit, inquiry system shows the abnormal prompt and abnormal status data of printer governor circuit by display,
Complete query process；
Step 7：If printer governor circuit status data does not include protection act and alarm signal, illustrate to print owner
It is normal to control circuit, inquiry system shows the normal status data of printer governor circuit by display, completes query process.
The governor circuit information includes：The designation number and single-chip microcontroller self-test signal of printer.
The state of inquiry system and the single chip communication of printer governor circuit in the step 3 is managed, and will
The timely active reporting of newfound communication operating condition is to long-range main website.
The printer governor circuit status data that inquiry system in step 5 is read is established into query directory, and is stored to number
According to library；When inquiry system receives inquiry instruction, query directory is loaded into memory；The range of inquiry instruction and condition are carried out
Coding, obtains the inquiry instruction indicated with coded data；Successively all query directories loaded into memory are referred to according to inquiry
The range and condition of order access, and the corresponding data of each query directory carry out overlapping detection with the coded data of inquiry instruction
It calculates；It will be deemed as stamping prepared mark with the corresponding query directory that inquiry instruction is overlapped；According to inquiry instruction specific requirements,
With the time range screening preparation mark of inquiry instruction, qualified query result is finally obtained.
The corresponding data of each query directory carry out Chong Die detection calculating with the coded data of inquiry instruction：
The query directory paragraph for returning to all ranges for meeting inquiry instruction and condition, after query directory is split into query directory section
Catalogue is rebuild, query result recombinates query directory before returning, returns to the range of fallen with inquiry instruction and the inquiry mesh of condition
Recording paragraph can include non-qualified data, and the length after last calculation code data bit arithmetic is exactly two query directories pair
The quantity for the overlapping region answered is not overlapped then, when the quantity of overlapping region is 0 when the quantity of overlapping region is not 0 completely
When, then two coded datas have intersection.
It is described finally to be accorded with according to inquiry instruction specific requirements with the time range screening preparation mark of inquiry instruction
Specific step is as follows for the query result of conjunction condition：By the first item of the query directory in preparation mark and last item in inquiry instruction
Removal in range and condition；In preparation mark, the length of each query directory coding is calculated, and it is corresponding to calculate inquiry instruction
Coding operation Chong Die with query directory coding after length；It, will when length of the query directory code length greater than overlapping operation
The query directory is cached, and the query directory of caching and the query directory of return are merged, and is returned as inquiry；Conversely, will
The query directory of return is verified, and the query directory for meeting inquiry instruction is obtained.It is looked into for printing equipment governor circuit state
The heavy workload occurred in work is ask, the status of time-consuming and laborious and easy error can obtain printing dress moment using this method
Governor circuit status data is set, this method does not recombinate sequence and calculates, and the data context needed is less, the computing resource of occupancy
Small, inquiry has achieved the effect that reduce search space, to realize quick search.Working efficiency will be effectively improved, and avoids accidentally grasping
The possibility of work, the recovery time after being greatly saved printer failure facilitate printer operation and service work.
Claims (2)
1. a kind of digital printing apparatus fault control method based on big data, it is characterised in that include the following steps：
Step 1：System initialization；
Step 2：The main line of printer governor circuit and the analog signal of driving circuit are acquired, to collected analog signal
It is handled, processed signal is then packaged into message and is sent to processor module；
Step 3：Processor module carries out fault logic judgement according to the message, and fault logic judging result is compiled
Log text；
Step 4：Processor module carries out Fault Control to the printer governor circuit according to fault logic judging result；It is described
Include the following steps before acquiring the main line of printer governor circuit and the analog signal of driving circuit：
Establish test case；
Send single-chip microcontroller of the test case into the governor circuit of the tested printer；It is described to collected analog signal into
Row processing specifically includes following steps：
Collected analog signal is filtered；
Then filtered analog signal is converted into digital signal；The analog signal acquired in the step 2 is current signal
And voltage signal；
It carries out fault logic judgement and Fault Control is carried out to the printer governor circuit according to fault logic judging result
Include the following steps：
When the flow direction of the main line electric current of printer governor circuit is timing, the main line of n printer governor circuit of continuous acquisition
Road voltage value, and ascending it is arranged as V1, V2, V3..., Vn, then the sample average of the main line voltage of printer governor circuit
And sample standard deviation is respectively：
Using Grubbs test method to the main line voltage sample of the printer governor circuit of acquisition carry out the detection of outlier with
It rejects, Counting statistics amount：
It determines and detects horizontal α, corresponding n, the critical value G of α are found in Grubbs Law tables of critical values1-α(n)；
Determine whether to work as G with outliern> G 'nAnd Gn> G1-α(n), determine VnFor outlier；As G 'n> GnAnd G 'n> G1-α
(n), then determine V1For outlier；Otherwise it is judged to no outlier；
After rejecting outlier, printer master control is recalculated according to the main line voltage sample value of remaining printer governor circuit
The mean value of the main line voltage of circuit, the current value of the main line voltage as printer governor circuit
The driving circuit voltage value for reading printer governor circuit is used the detection and rejecting for being carried out outlier with upper type, obtained
To the driving circuit voltage current value of printer governor circuit
IfWithValue it is close, illustrate that system is normal,WithValue be added after be averaged as current printer master
Control the main line voltage value of circuit
IfWithValue difference it is larger, illustrate that printer governor circuit has already appeared failure；IfThe value phase that front and back is 5 times
Poor larger, explanationBe likely to occur problem, at this time ifNearest 5 values are not much different, and should use at this timeSeveral times recently
Main line voltage of the average value of value as current printer governor circuit；IfThe value that front and back is 5 times differs larger, explanation
Be likely to occur problem, at this time ifNearest 5 values are not much different, and should useThe average value of value several times is used as and works as recently
The main line voltage of preceding printer governor circuit；
IfWithValue difference it is larger, andA few sub-value differences are also larger before and after the two itself, illustrate to print owner
There is catastrophe failure in control circuit；OrWithValue difference it is larger, although5 sub-values differ not before and after the two itself
Greatly, also illustrate that catastrophe failure occurs in printer governor circuit, alarm signal should all be issued at this time and shut down.
2. the digital printing apparatus fault control method according to claim 1 based on big data, which is characterized in that when beating
There is catastrophe failure in print machine governor circuit, after issuing alarm signal and shutting down, carries out the fault inquiry of printer governor circuit.
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| JP4050436B2 (en) * | 1999-12-24 | 2008-02-20 | マークテック株式会社 | Print marking device and print coil defect detection method |
| CN100528570C (en) * | 2004-04-16 | 2009-08-19 | 深圳赛意法微电子有限公司 | Pen fault detecting circuit of ink jet printer and method for detecting pen fault |
| KR100727982B1 (en) * | 2005-09-21 | 2007-06-13 | 삼성전자주식회사 | Method for detecting abnormal condition of print head |
| JP4956134B2 (en) * | 2006-10-13 | 2012-06-20 | キヤノン株式会社 | Printing apparatus, printing apparatus control method, and program |
| CN201070879Y (en) * | 2007-08-17 | 2008-06-11 | 云南南天电子信息产业股份有限公司 | Protecting equipment for printing head |
| JP5732899B2 (en) * | 2011-02-22 | 2015-06-10 | セイコーエプソン株式会社 | Nozzle state detection device and image forming apparatus |
| JP6452548B2 (en) * | 2015-05-27 | 2019-01-16 | キヤノン株式会社 | Power supply apparatus and control method |
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Effective date of registration: 20181010 Address after: 101149 Beijing Tongzhou District Zhangjia Bay Town Royal Village Applicant after: Royal printing plant, Tongzhou, Beijing Address before: 430000 lishhu team, Wuhu farm, Huangpi District, Wuhan, Hubei Applicant before: Wuhan friendship Technology Co., Ltd. |
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