CN109344973A - The asynchronous quick discriminating method of movement defect of mechanical brake pawl - Google Patents
The asynchronous quick discriminating method of movement defect of mechanical brake pawl Download PDFInfo
- Publication number
- CN109344973A CN109344973A CN201810929587.2A CN201810929587A CN109344973A CN 109344973 A CN109344973 A CN 109344973A CN 201810929587 A CN201810929587 A CN 201810929587A CN 109344973 A CN109344973 A CN 109344973A
- Authority
- CN
- China
- Prior art keywords
- record
- switching value
- mechanical brake
- time
- brake pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The present invention provides the asynchronous quick discriminating methods of movement defect of mechanical brake pawl.This method comprises: first acquiring the switching value record of designated equipment mechanical brake pawl in the specified period of history, it is ranked up after rejecting the switching value record wherein repeated by record time order and function；Then the switching value record that mechanical brake pawl is in run the period is filtered out, and successively calculates the interval time for obtaining each switching value record of same state recording, finally uses numerical value maximum interval time and threshold valueδ 0It is compared, iffGreater than threshold valueδ 0When, then maintenance and inspection are carried out to plant machinery brake pad, iffNo more than threshold valueδ 0When, then without carrying out maintenance and inspection to plant machinery brake pad.The present invention is from the interval time of the asynchronous movement of quick obtaining mechanical brake pawl is poor in the switching value record of designated equipment mechanical brake pawl in the specified period of history, for the asynchronous movement phenomenon of operation maintenance personnel identification apparatus mechanical brake pawl, defect location, Bug Tracking, defect elimination work in advance provide technical support.
Description
Technical field
The present invention relates to technical field of electric equipment, and in particular to the quick side of examination of the asynchronous movement defect of mechanical brake pawl
Method.
Background technique
The present invention is from quick obtaining machinery is stopped in the switching value record of designated equipment mechanical brake pawl in the specified period of history
The interval time of vehicle pawl difference movement is poor, provides important technical support to screen the asynchronous movement defect of mechanical brake pawl.
The switching value record data for recording mechanical brake pad movement are more huge.Past is due to lacking effective error correction side
Method mostly uses random selecting point and the method for equal sampling periods reconnaissance to be analyzed to select data therein " representative ".In this way, making
Income analysis result does not have comprehensive, the engineering technology meaning for analyzing result is not strong.
Record the switching value record of mechanical brake pad movement there are it is more because caused by overhaul of the equipments unusual switch amount record.
Meanwhile putting into separate with the switching value record under the state that exits and be analyzed respectively, the difference under two states could be obtained
Walk action situation.So that extremely difficult carry out batch quantity analysis to the switching value record for recording mechanical brake pad movement.It is fast to operations staff
Speed screens the asynchronous movement imperfect tape of mechanical brake pawl and carrys out extreme difficulties.
Incorporation engineering experience of the present invention considers the characteristic for recording the switching value record of mechanical brake pad movement, to mistake comprehensively
The artificial treatment work gone is standardized, and gives computer completion, so that depending on the cumbersome work of artificial treatment for a long time
Realization detects and controls automatically.The present invention be the asynchronous movement phenomenon of operation maintenance personnel identification apparatus mechanical brake pawl, defect location,
Bug Tracking, defect elimination work in advance provide technical support.
Summary of the invention
The purpose of the present invention is to provide the asynchronous quick discriminating method of movement defect of mechanical brake pawl, when from specified history
The interval time that quick obtaining mechanical brake pawl difference acts in the switching value record of designated equipment mechanical brake pawl in phase is poor, is
The asynchronous movement phenomenon of operation maintenance personnel identification apparatus mechanical brake pawl, defect location, Bug Tracking, defect elimination work in advance provide skill
Art is supported.
The purpose of the present invention is realized at least through one of following technical solution.
The asynchronous quick discriminating method of movement defect of mechanical brake pawl of the present invention, comprising steps of
Step 1, the switching value record V for acquiring designated equipment mechanical brake pawl in the specified period of history0, switch amount record
V0Temporally record sequencing sorts and takes unduplicated switching value record, obtains switching value record V1；
Step 2 records M according to overhaul of the equipments, from switching value record V1In filter out the switch that equipment is in run the period
Amount record V2, calculate switching value record V2Middle investment mechanical brake pawl interval time T2onWith the interval for exiting mechanical brake pawl
Time T2off；
Step 3 uses T2onThe middle maximum interval time T of numerical value2onmaxWith threshold value δonIt is compared, if T2onmaxGreater than threshold value
δonWhen, then maintenance and inspection are carried out to the input coefficient of plant machinery brake pad, if T2onmaxNo more than threshold value δonWhen, then without pair
Plant machinery brake pad carries out maintenance and inspection；
Step 4 uses T2offThe middle maximum interval time T of numerical value2offmaxWith threshold value δoffIt is compared, if T2offmaxGreater than threshold
Value δoffWhen, then maintenance and inspection are carried out to logging off for plant machinery brake pad, if T2offmaxNo more than threshold value δoffWhen, then without
Maintenance and inspection need to be carried out to plant machinery brake pad.
Further, when the plant machinery brake pad refers to that normal condition is in operating status, machinery can be put at any time
Brake pad and by send out switching value, record moment at this time and at this time the investment state of mechanical brake pawl, can also exit at any time
Mechanical brake pawl and by sending out switching value, records the moment at this time and mechanical brake pawl exits state at this time.
Further, the switching value include two states record, be respectively represent investment state one state record and
Represent " 0 " state recording for the state that exits；The switching value record includes at least three record contents, is to be accurate to millisecond respectively
Time record, state recording, equipment description.
Further, the switching value record V in the step 11It is obtained by following procedure:
Step 11 is temporally recorded by the sequence after arriving first, and switch amount records V0It is ranked up, obtains switching value record
V01；
Step 12 takes switching value record V01The middle time records unduplicated switching value record, forms switching value record V1。
Further, the finish time group at the beginning of the overhaul of the equipments record M is by service work with service work
At.
Further, the interval time T of mechanical brake pawl is put into the step 22onWith the interval for exiting mechanical brake pawl
Time T2offIt is obtained by following steps:
Step 21 sets i=1, obtains the group number n at overhaul of the equipments work beginning and end momentmIf nmNumerical value be not 0,
Step 22 is then carried out, if nmNumerical value be 0, then switching value record V1With switching value record V2For same record, switching value record V2
Middle state recording is that the switching value record of investment state is V2oni, switching value record V2Middle state recording is the switch for the state that exits
Amount is recorded as V2offi, and carry out step 215；
Step 22, from switching value record V1Middle acquisition state recording is investment state and the time records earlier than i-th group equipment
Overhaul the switching value record V of start time2oni；
Step 23, from switching value record V1Middle acquisition state recording is the state that exits and the time records earlier than i-th group equipment
Overhaul the switching value record V of start time2offi；
If step 24, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni-1
Record as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2With
Record V2oni1The difference that the identical time record of middle serial number is made to obtain after difference is period i investment mechanical brake in operating status
The interval time T of pawl2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status puts into mechanical brake
The interval time T of pawl2oniFor empty array；
If step 25, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 to
n2offi- 1 record is as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；It will
Record V2offi2With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is period i in operating status
Exit the interval time T of mechanical brake pawl2offiIf switching value record V2offiItem number be not more than 1, then when in operating status
Section i exits the interval time T of mechanical brake pawl2offiFor empty array；
Step 26, the value of i add 1；
If step 27, nm> 1 and i≤nm, then step 28 is carried out, step 213 is otherwise carried out；
Step 28, from switching value record V1Middle acquisition state recording is investment state, and time record is later than (i-1)-th group of equipment
It overhauls finish time, and time record is earlier than the switching value record V of i-th group of overhaul of the equipments start time2oni；
Step 29, from switching value record V1Middle acquisition state recording is to exit state, and time record is later than (i-1)-th group of equipment
It overhauls finish time, and time record is earlier than the switching value record V of i-th group of overhaul of the equipments start time2offi；
If step 210, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni-
1 record is as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2
With record V2oni1The difference that the identical time record of middle serial number is made to obtain after difference, which is that period i investment in operating status is mechanical, stops
The interval time T of vehicle pawl2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status investment is mechanical stops
The interval time T of vehicle pawl2oniFor empty array；
If step 211, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 to
n2offi- 1 record is as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；It will
Record V2offi2With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is period i in operating status
Exit the interval time T of mechanical brake pawl2offiIf switching value record V2offiItem number be not more than 1, then when in operating status
Section i exits the interval time T of mechanical brake pawl2offiFor empty array；
Step 212, the value of i add 1, and go to step 26；
Step 213, from switching value record V1Middle acquisition state recording is investment state, and time record is later than n-thmGroup equipment
Overhaul the switching value record V of finish time2oni；
Step 214, from switching value record V1Middle acquisition state recording is to exit state, and time record is later than n-thmGroup equipment
Overhaul the switching value record V of finish time2offi；
If step 215, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni-
1 record is as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2
With record V2oni1The difference that the identical time record of middle serial number is made to obtain after difference, which is that period i investment in operating status is mechanical, stops
The interval time T of vehicle pawl2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status investment is mechanical stops
The interval time T of vehicle pawl2oniFor empty array；
If step 216, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 to
n2offi- 1 record is as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；It will
Record V2offi2With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is period i in operating status
Exit the interval time T of mechanical brake pawl2offiIf switching value record V2offiItem number be not more than 1, then when in operating status
Section i exits the interval time T of mechanical brake pawl2offiFor empty array；
The T of step 217, each operating status period i2oniThat is the interval time TT of composition investment mechanical brake pawl2on, each to transport
The T of row state period i2offiForm the interval time TT for exiting mechanical brake pawl2off, wherein i ∈ [1, nm+1]。
Step 218, the interval time TT for deleting investment mechanical brake pawl2onMiddle numerical value is more than empirical value ωonInterval time
The interval time T of investment mechanical brake pawl is obtained afterwards2on, delete the interval time TT for exiting mechanical brake pawl2offMiddle numerical value is more than
Empirical value ωoffInterval time after obtain and exit the interval time T of mechanical brake pawl2off。
Further, the empirical value ωonIt is 30 seconds, empirical value ωoffIt is 30 seconds.
Further, the threshold value δ in the step 30nIt is 3 seconds, the threshold value δ in the step 40ffIt is 3 seconds.
Further, the equipment is in run the period, when putting into mechanical brake pawl, will there is N number of mechanical brake pawl one
Investment is played, when exiting mechanical brake pawl, there will be N number of mechanical brake pawl to exit together, wherein N is positive integer, and N is greater than 1.
Compared with prior art, the present invention has filled up the blank of engineering circles, has the following advantages that and technical effect:
(1) unusual switch amount records caused by present invention offer can be separated because of overhaul of the equipments, realizes to mechanical brake pawl
It the separation for the switching value record for putting into and exiting under state and analyzes respectively, and obtains the difference of mechanical brake pawl under two states
Walk action situation；
(2) to detect and control automatically dependent on the cumbersome work realization of artificial treatment for a long time, be recognized for operation maintenance personnel
The asynchronous movement phenomenon of plant machinery brake pad, defect location, Bug Tracking, defect elimination work in advance provide technical support；
(3) the case where present invention can also be according to the asynchronous movement of mechanical brake pawl, the quick power unit for judging equipment,
Control unit, feedback unit, signal element etc. whether there is defect, can realize defect elimination before defect exposure.
Detailed description of the invention
Fig. 1 is the flow chart of the asynchronous movement quick discriminating method of defect of mechanical brake pawl in this example.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with attached drawing and example, but implementation and protection of the invention
It is without being limited thereto.If it is existing to be that those skilled in the art can refer to it is noted that there is the not special process of detailed description below
Technology realize or understand.
Below on 01 27th, 2018 00:00 of Guangzhou Pumped-storage Power Station to the 00:00#3 unit mechanical brake of February 04
The switching value record of pawl carries out instance analysis.The mechanical brake is put into during unit starting, is moved back before unit guide vane opening
Out, investment when generating unit speed drops to 5% rated speed during compressor emergency shutdown, and stop completely backed off after random in unit.
As shown in Table 1 and Table 2, switching value record is retouched comprising being accurate to time record, state recording, the electrical equipment of millisecond
It states.Wherein, electrical equipment, which describes in 1 " 03GTA__FA1__ ", indicates that #3 unit #1 brake pad, " 03GTA__FA2__ " indicate #3
Unit #2 brake pad, " 03GTA__FA3__ " indicate that #3 unit #3 brake pad, " 03GTA__FA4__ " indicate #3 unit #4 brake
Pawl, electrical equipment describe in 2 the expression mechanical brake of " GEN.BRAKE ".State recording " DISAPL- > APPLIED " indicates mechanical
What the investment state of brake, state recording " APPLIED- > DISAPL " indicated mechanical brake exits state.
In conjunction with Fig. 1 process, the asynchronous quick discriminating method of movement defect of mechanical brake pawl the following steps are included:
On 01 27th, 2018 00:00 of historical period shown in step 1, acquisition acquisition table 1 are to the 00:00#3 machine of February 04
The switching value record V of group mechanical brake pawl0, switch amount record V0Temporally record sequencing sorts and rejects time record
After duplicate switching value record (i.e. switching value record shown in table 2), switching value record V is obtained1；
Step 2, the overhaul of the equipments according to table 3 record M, from switching value record V1In filter out equipment and be in run the period
Switching value record V2, calculate switching value record V2Middle investment mechanical brake pawl interval time T2onWith exit mechanical brake pawl
Interval time T2off；
Step 3 uses T2onThe middle maximum interval time T of numerical value2onmax(i.e. 1.82 seconds) were compared with threshold value 3 seconds, T2onmax
No more than threshold value, without carrying out maintenance and inspection to plant machinery brake pad；
Step 4 uses T2offThe middle maximum interval time T of numerical value2offmax(i.e. 2.22 seconds) were compared with threshold value 3 seconds,
T2offmaxNo more than threshold value, without carrying out maintenance and inspection to plant machinery brake pad.
Put into the interval time T of mechanical brake pawl2onWith the interval time T for exiting mechanical brake pawl2offIt is obtained by following steps
:
Step 21 sets i=1, obtains the group number n at overhaul of the equipments work beginning and end momentmIt is 1, then carries out step 22；
Step 22, from switching value record V1Middle acquisition state recording is investment state and the time records earlier than the 1st group equipment
Overhaul the switching value record V of start time (i.e. 2018/1/28 14:05:00)2on1；
Step 23, from switching value record V1Middle acquisition state recording is the state that exits and the time records earlier than i-th group equipment
Overhaul the switching value record V of start time (i.e. 2018/1/28 14:05:00)2off1；
Step 24, switching value record V2on1Item number be 24 be greater than 1, then by switching value record V2on1Middle serial number 1 to
n2on1The record of -1 (i.e. 23) is as one group of V2on11, V will be recorded2on1Middle serial number 2 is to n2on1The record of (i.e. 24) is as another group
V2on12；V will be recorded2on12With record V2on11It is to be in operation shape that the identical time record of middle serial number, which makees the difference obtained after difference,
The interval time T of the investment mechanical brake pawl of state period 12on1；
Step 25, switching value record V2off1Item number be 23 be greater than 1, then by switching value record V2off1Middle serial number 1 to
n2off1The record of -1 (i.e. 22) is as one group of V2off11, V will be recorded2off1Middle serial number 2 is to n2off1The record of (i.e. 23) is as another
One group of V2off12；V will be recorded2off12With record V2off11It is to be in that the identical time record of middle serial number, which makees the difference obtained after difference,
The operating status period 1 exits the interval time T of mechanical brake pawl2off1；
Step 26, the value of i add 1；
Step 27, due to nm=1, it is unsatisfactory for nm> 1 and i≤nmCondition, then carry out step 213；
Step 213, from switching value record V1Middle acquisition state recording is investment state, and time record is later than the 1st group of equipment
Overhaul the switching value record V of finish time (i.e. 2018/1/28 18:50:00)2on2；
Step 214, from switching value record V1Middle acquisition state recording is to exit state, and time record is later than the 1st group of equipment
Overhaul the switching value record V of finish time (i.e. 2018/1/28 18:50:00)2offi；
Step 215, switching value record V2on2Item number be 135 be greater than 1, then by switching value record V2on2Middle serial number 1 to
n2on2The record of -1 (i.e. 134) is as one group of V2on21, V will be recorded2on2Middle serial number 2 is to n2on2The record of (i.e. 135) is as another
Group V2on22；V will be recorded2on22With record V2on21It is to be in operation that the identical time record of middle serial number, which makees the difference obtained after difference,
The interval time T of the investment mechanical brake pawl of state period 22on2；
Step 216, switching value record V2off2Item number be 131 be greater than 1, then by switching value record V2off2Middle serial number 1 to
n2offiThe record of -1 (i.e. 130) is as one group of V2off21, V will be recorded2off2Middle serial number 2 is to n2off2The record conduct of (i.e. 131)
Another group of V2off22；V will be recorded2off22With record V2off21It is to locate that the identical time record of middle serial number, which makees the difference obtained after difference,
The interval time T of mechanical brake pawl is exited in the operating status period 22off2；
The T of step 217, each operating status period i2oniThat is the interval time TT of composition investment mechanical brake pawl2on, each to transport
The T of row state period i2offiForm the interval time TT for exiting mechanical brake pawl2off, wherein [1,2] i ∈.
Step 218, the interval time TT for deleting investment mechanical brake pawl2onMiddle numerical value is more than 3 seconds interval times of empirical value
The interval time T of investment mechanical brake pawl shown in table 4 is obtained afterwards2on, delete the interval time TT for exiting mechanical brake pawl2offIn
Numerical value is more than the interval time T for exiting mechanical brake pawl shown in acquisition table 4 after 3 seconds interval times of empirical value2off。
The purpose of the present invention is to provide the asynchronous quick discriminating method of movement defect of mechanical brake pawl, when from specified history
The interval time that quick obtaining mechanical brake pawl difference acts in the switching value record of designated equipment mechanical brake pawl in phase is poor, is
The asynchronous movement phenomenon of operation maintenance personnel identification apparatus mechanical brake pawl, defect location, Bug Tracking, defect elimination work in advance provide skill
Art is supported.
(1) unusual switch amount records caused by present invention offer can be separated because of overhaul of the equipments, realizes to mechanical brake pawl
It the separation for the switching value record for putting into and exiting under state and analyzes respectively, and obtains the difference of mechanical brake pawl under two states
Walk action situation；
(2) to detect and control automatically dependent on the cumbersome work realization of artificial treatment for a long time, be recognized for operation maintenance personnel
The asynchronous movement phenomenon of plant machinery brake pad, defect location, Bug Tracking, defect elimination work in advance provide technical support；
(3) the case where present invention can also be according to the asynchronous movement of mechanical brake pawl, the quick power unit for judging equipment,
Control unit, feedback unit, signal element etc. whether there is defect, can realize defect elimination before defect exposure.
In conclusion the present invention is poor by the interval time that quick obtaining mechanical brake pawl difference acts, it is operation maintenance personnel
The asynchronous movement phenomenon of identification apparatus mechanical brake pawl provides data and supports, the present invention can also be according to interval time difference and threshold value
Difference obtains the fault mode that human body sense organ can not recognize, and the safety for influencing the asynchronous movement of mechanical brake pawl for discovery in time is hidden
Suffer from, provides technical support for defect location, Bug Tracking, defect elimination work in advance.
1 switching value record V of table0
2 switching value record V of table1
3 record of examination M of table
| Title | Move back the class that makes preparations for sowing | Time started | End time | Remarks |
| #3 machine | Scheduled overhaul | 2018-01-28 14:05:00 | 2018-01-28 18:50:00 | Nothing |
Table 4 interval time T2onAnd T2off
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other it is any without departing under Spirit Essence and principle of the invention it is made modification, modification, substitution, combination, simplify,
It should be equivalent substitute mode, should all be included within protection scope of the present invention.
Claims (9)
1. the asynchronous quick discriminating method of movement defect of mechanical brake pawl, which comprises the following steps:
Step 1, the switching value record V for acquiring designated equipment mechanical brake pawl in the specified period of history0, switch amount record V0It presses
Time record sequencing sorts and takes unduplicated switching value record, obtains switching value record V1；
Step 2 records M according to overhaul of the equipments, from switching value record V1In filter out the switching value record that equipment is in run the period
V2, calculate switching value record V2Middle investment mechanical brake pawl interval time T2onWith the interval time for exiting mechanical brake pawl
T2off；
Step 3 uses T2onThe middle maximum interval time T of numerical value2onmaxWith threshold value δonIt is compared, if T2onmaxGreater than threshold value δonWhen,
Maintenance and inspection then are carried out to the input coefficient of plant machinery brake pad, if T2onmaxNo more than threshold value δonWhen, then without to equipment machine
Tool brake pad carries out maintenance and inspection；
Step 4 uses T2offThe middle maximum interval time T of numerical value2offmaxWith threshold value δoffIt is compared, if T2offmaxGreater than threshold value
δoffWhen, then maintenance and inspection are carried out to logging off for plant machinery brake pad, if T2offmaxNo more than threshold value δoffWhen, then it is not necessarily to
Maintenance and inspection are carried out to plant machinery brake pad.
2. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 1, it is characterised in that: described
When plant machinery brake pad in step 1 refers to that normal condition is in operating status, mechanical brake pawl can be put at any time and is passed through
Send out switching value, record moment at this time and at this time the investment state of mechanical brake pawl, can also exit at any time mechanical brake pawl and
By sending out switching value, records the moment at this time and mechanical brake pawl exits state at this time.
3. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 1, it is characterised in that: described
Switching value is recorded comprising two states, is the one state record for representing investment state and " 0 " state for representing the state that exits respectively
Record；The switching value record include at least three record contents, be respectively the time record for being accurate to millisecond, state recording,
Equipment description.
4. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 1, which is characterized in that described
Switching value record V in step 11It is obtained by following procedure:
Step 11 is temporally recorded by the sequence after arriving first, and switch amount records V0It is ranked up, obtains switching value record V01；
Step 12 takes switching value record V01The middle time records unduplicated switching value record, forms switching value record V1。
5. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 1, it is characterised in that: described
It is formed at the beginning of overhaul of the equipments records M by service work in step 2 with the finish time of service work.
6. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 1, which is characterized in that described
The interval time T of mechanical brake pawl is put into step 22onWith the interval time T for exiting mechanical brake pawl2offIt is obtained by following steps
:
Step 21 sets i=1, obtains the group number n at overhaul of the equipments work beginning and end momentmIf nmNumerical value be not 0, then into
Row step 22, if nmNumerical value be 0, then switching value record V1With switching value record V2For same record, switching value record V2Middle shape
The switching value record that state is recorded as investment state is V2oni, switching value record V2Middle state recording is the switching value note for the state that exits
Record is V2offi, and carry out step 215；
Step 22, from switching value record V1Middle acquisition state recording is investment state and the time records earlier than i-th group overhaul of the equipments and opens
The switching value record V at moment beginning2oni；
Step 23, from switching value record V1Middle acquisition state recording is the state that exits and the time records earlier than i-th group overhaul of the equipments and opens
The switching value record V at moment beginning2offi；
If step 24, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni- 1 note
Record is used as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2And record
V2oni1The difference that the identical time record of middle serial number is made to obtain after difference is period i investment mechanical brake pawl in operating status
Interval time T2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status investment mechanical brake pawl
Interval time T2oniFor empty array；
If step 25, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 is to n2offi- 1
Record is used as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；V will be recorded2offi2
With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is that period i in operating status exits machinery
The interval time T of brake pad2offiIf switching value record V2offiItem number be not more than 1, then period i in operating status exits machine
The interval time T of tool brake pad2offiFor empty array；
Step 26, the value of i add 1；
If step 27, nm> 1 and i≤nm, then step 28 is carried out, step 213 is otherwise carried out；
Step 28, from switching value record V1Middle acquisition state recording is investment state, and time record is later than (i-1)-th group of overhaul of the equipments
Finish time, and time record is earlier than the switching value record V of i-th group of overhaul of the equipments start time2oni；
Step 29, from switching value record V1Middle acquisition state recording is to exit state, and time record is later than (i-1)-th group of overhaul of the equipments
Finish time, and time record is earlier than the switching value record V of i-th group of overhaul of the equipments start time2offi；
If step 210, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni- 1
Record is used as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2And note
Record V2oni1The difference that the identical time record of middle serial number is made to obtain after difference is period i investment mechanical brake pawl in operating status
Interval time T2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status puts into mechanical brake pawl
Interval time T2oniFor empty array；
If step 211, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 is to n2offi-1
Record as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；It will record
V2offi2With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is that period i in operating status is exited
The interval time T of mechanical brake pawl2offiIf switching value record V2offiItem number be not more than 1, then period i in operating status is moved back
The interval time T of mechanical brake pawl out2offiFor empty array；
Step 212, the value of i add 1, and go to step 26；
Step 213, from switching value record V1Middle acquisition state recording is investment state, and time record is later than n-thmGroup overhaul of the equipments
The switching value record V of finish time2oni；
Step 214, from switching value record V1Middle acquisition state recording is to exit state, and time record is later than n-thmGroup overhaul of the equipments
The switching value record V of finish time2offi；
If step 215, switching value record V2oniItem number be greater than 1, then by switching value record V2oniMiddle serial number 1 is to n2oni- 1
Record is used as one group of V2oni1, V will be recorded2oniMiddle serial number 2 is to n2oniRecord as another group of V2oni2；V will be recorded2oni2And note
Record V2oni1The difference that the identical time record of middle serial number is made to obtain after difference is period i investment mechanical brake pawl in operating status
Interval time T2oniIf switching value record V2oniItem number be not more than 1, then period i in operating status puts into mechanical brake pawl
Interval time T2oniFor empty array；
If step 216, switching value record V2offiItem number be greater than 1, then by switching value record V2offiMiddle serial number 1 is to n2offi-1
Record as one group of V2offi1, V will be recorded2offiMiddle serial number 2 is to n2offiRecord as another group of V2offi2；It will record
V2offi2With record V2offi1The difference that the identical time record of middle serial number is made to obtain after difference is that period i in operating status is exited
The interval time T of mechanical brake pawl2offiIf switching value record V2offiItem number be not more than 1, then period i in operating status is moved back
The interval time T of mechanical brake pawl out2offiFor empty array；
The T of step 217, each operating status period i2oniThat is the interval time TT of composition investment mechanical brake pawl2on, each operating status
The T of period i2offiForm the interval time TT for exiting mechanical brake pawl2off, wherein i ∈ [1, nm+1]；
Step 218, the interval time TT for deleting investment mechanical brake pawl2onMiddle numerical value is more than empirical value ωonInterval time after obtain
The interval time T of mechanical brake pawl must be put into2on, delete the interval time TT for exiting mechanical brake pawl2offMiddle numerical value is more than experience
Value ωoffInterval time after obtain and exit the interval time T of mechanical brake pawl2off。
7. the asynchronous quick discriminating method of movement defect of mechanical brake pawl according to claim 6, it is characterised in that: described
Empirical value ωonIt is 30 seconds, empirical value ωoffIt is 30 seconds.
8. the asynchronous quick discriminating method of movement defect of described in any item mechanical brake pawls according to claim 1~7, feature
It is: the threshold value δ in the step 30nIt is 3 seconds, the threshold value δ in the step 40ffIt is 3 seconds.
9. the asynchronous quick discriminating method of movement defect of described in any item mechanical brake pawls according to claim 1~8, feature
Be: the equipment is in run the period, when putting into mechanical brake pawl, will have N number of mechanical brake pawl to put into together, and exit machine
When tool brake pad, there will be N number of mechanical brake pawl to exit together, wherein N is positive integer, and N is greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929587.2A CN109344973B (en) | 2018-08-15 | 2018-08-15 | Method for quickly discriminating asynchronous motion defect of mechanical brake pawl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929587.2A CN109344973B (en) | 2018-08-15 | 2018-08-15 | Method for quickly discriminating asynchronous motion defect of mechanical brake pawl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109344973A true CN109344973A (en) | 2019-02-15 |
| CN109344973B CN109344973B (en) | 2023-02-24 |
Family
ID=65296553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810929587.2A Active CN109344973B (en) | 2018-08-15 | 2018-08-15 | Method for quickly discriminating asynchronous motion defect of mechanical brake pawl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109344973B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040186687A1 (en) * | 2001-05-08 | 2004-09-23 | Hiroshi Ogura | Working machine, trouble diagnosis system of working machine, and maintenance system of working machine |
| US20090006169A1 (en) * | 2001-09-04 | 2009-01-01 | Accenture Global Services Gmbh | Identification, categorization, and integration of unplanned maintenance, repair and overhaul work on mechanical equipment |
| US20100245595A1 (en) * | 2009-03-31 | 2010-09-30 | Acuity Systems Inc. | Recorder test system |
| US20130072351A1 (en) * | 2009-01-23 | 2013-03-21 | Mgm Brakes | Brake monitoring system and method |
| US20140055298A1 (en) * | 2012-08-22 | 2014-02-27 | Kapsch Trafficcom Ag | Method and apparatus for capturing an image of a speed-violating vehicle |
| US20150000415A1 (en) * | 2012-02-01 | 2015-01-01 | Optasense Holdings Limited | Detecting Train Separation |
| CN104842990A (en) * | 2014-10-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Vehicle brake detection system and method |
| CN104933295A (en) * | 2015-05-27 | 2015-09-23 | 广东蓄能发电有限公司 | Electrical equipment switching value record error correcting method |
| CN105045253A (en) * | 2015-05-27 | 2015-11-11 | 广东蓄能发电有限公司 | Method for quickly discriminating abnormal operating condition of electrical equipment |
| CN107493039A (en) * | 2017-09-04 | 2017-12-19 | 国家电网公司 | A kind of mechanical braking control device, method and the system of pumped storage unit |
| CN110194139A (en) * | 2019-05-29 | 2019-09-03 | 中国第一汽车股份有限公司 | Brake test status determines method, apparatus and vehicle |
-
2018
- 2018-08-15 CN CN201810929587.2A patent/CN109344973B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040186687A1 (en) * | 2001-05-08 | 2004-09-23 | Hiroshi Ogura | Working machine, trouble diagnosis system of working machine, and maintenance system of working machine |
| US20090006169A1 (en) * | 2001-09-04 | 2009-01-01 | Accenture Global Services Gmbh | Identification, categorization, and integration of unplanned maintenance, repair and overhaul work on mechanical equipment |
| US20130072351A1 (en) * | 2009-01-23 | 2013-03-21 | Mgm Brakes | Brake monitoring system and method |
| US20100245595A1 (en) * | 2009-03-31 | 2010-09-30 | Acuity Systems Inc. | Recorder test system |
| US20150000415A1 (en) * | 2012-02-01 | 2015-01-01 | Optasense Holdings Limited | Detecting Train Separation |
| US20140055298A1 (en) * | 2012-08-22 | 2014-02-27 | Kapsch Trafficcom Ag | Method and apparatus for capturing an image of a speed-violating vehicle |
| CN104842990A (en) * | 2014-10-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Vehicle brake detection system and method |
| CN104933295A (en) * | 2015-05-27 | 2015-09-23 | 广东蓄能发电有限公司 | Electrical equipment switching value record error correcting method |
| CN105045253A (en) * | 2015-05-27 | 2015-11-11 | 广东蓄能发电有限公司 | Method for quickly discriminating abnormal operating condition of electrical equipment |
| CN107493039A (en) * | 2017-09-04 | 2017-12-19 | 国家电网公司 | A kind of mechanical braking control device, method and the system of pumped storage unit |
| CN110194139A (en) * | 2019-05-29 | 2019-09-03 | 中国第一汽车股份有限公司 | Brake test status determines method, apparatus and vehicle |
Non-Patent Citations (4)
| Title |
|---|
| 巩宇: "抽水蓄能机组暂态故障智能分析系统开发及应用", 《水力发电》 * |
| 张豪: "抽水蓄能电厂运行设备保压性能状态分析技术", 《水力发电》 * |
| 王慷: "单导叶接力器导叶不同步原因分析及故障处理", 《水电站机电技术》 * |
| 龙皞: "广州蓄能水电厂导叶控制系统运行维护及故障分析", 《水力发电》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109344973B (en) | 2023-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1155069C (en) | Control system and method for semiconductor integrated circuit test process | |
| CN105045253B (en) | The quick discriminating method of electrical equipment misoperation operating mode | |
| DE10244131A1 (en) | Technical plant assessment method in which test measurements on functional units of the plant are automatically processed to detect faulty functional unit groups and assign corresponding defectiveness probabilities | |
| CN104933295B (en) | Electrical equipment switching value record error correction method | |
| DE10203761A1 (en) | System for automatic analysis and processing of loss factors in test process analyzes raw and processed data according to component lots, test units and loading/unloading arrangements | |
| CN110765835A (en) | Operation video flow identification method based on edge information | |
| DE10027826A1 (en) | Method for finding faulty tools in semiconductor fabrication facility, requires drawing up batch list for each tool and assigning weighted value for each batch | |
| WO2018192613A1 (en) | Method and system for automated support of a connection process, in particular of components arranged in a control cabinet or on a mounting system | |
| DE10032322A1 (en) | Method for finding combination of operation/tool causing integrated failure in semiconductor manufacturing device, involves generating a candidate-operation/tool list | |
| EP3690575A1 (en) | Planning system, method for testing a consistent detection of pipes in a planning system, and control program | |
| CN106133785A (en) | Application plan makes evaluating apparatus and application plan makes evaluation methodology | |
| CN109344973A (en) | The asynchronous quick discriminating method of movement defect of mechanical brake pawl | |
| WO2020173983A1 (en) | Method and device for monitoring an industrial process step | |
| CN109344974B (en) | Method for quickly correcting error of on-off record of electrical equipment | |
| US8185337B1 (en) | System, method, and computer program product for testing and re-testing integrated circuits | |
| CN106228248B (en) | A kind of system automatic trouble diagnosis method based on fuzzy FMEA analysis | |
| Park et al. | An identification of PSF Lag and linger effects for dynamic human reliability analysis: application of experimental data | |
| CN114553599B (en) | Garden monitoring system and method based on edge calculation | |
| CN111555908A (en) | Power grid complex fault event identification method, device and system based on expert experience rule | |
| DE19707065A1 (en) | Decision tree forming method for error localisation in technical system | |
| CN116119019A (en) | Flight parameter acquisition recording equipment test system and test method | |
| CN110766248A (en) | Workshop human factor reliability evaluation method based on SHEL and interval intuition fuzzy evaluation | |
| DE102007031654A1 (en) | Method for manufacturing die-cast components, particularly of components made of aluminum or magnesium materials, involves performing quality test of cast component after casting | |
| DE102020118783A1 (en) | DIFFERENTIAL EXTRACTION DEVICE | |
| CN110233122A (en) | Semiconductor production line MES system and its experimental method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |