CN116183462A - Quality detection method and system for diesel filter element - Google Patents

Quality detection method and system for diesel filter element Download PDF

Info

Publication number
CN116183462A
CN116183462A CN202310207959.1A CN202310207959A CN116183462A CN 116183462 A CN116183462 A CN 116183462A CN 202310207959 A CN202310207959 A CN 202310207959A CN 116183462 A CN116183462 A CN 116183462A
Authority
CN
China
Prior art keywords
filtering
diesel
impurity
impurity filtering
coefficients
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
Application number
CN202310207959.1A
Other languages
Chinese (zh)
Other versions
CN116183462B (en
Inventor
苏彦波
曹佳俊
丁香
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Qinpeng Technology Co ltd
Original Assignee
Zhejiang Qinpeng Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Qinpeng Technology Co ltd filed Critical Zhejiang Qinpeng Technology Co ltd
Priority to CN202310207959.1A priority Critical patent/CN116183462B/en
Publication of CN116183462A publication Critical patent/CN116183462A/en
Application granted granted Critical
Publication of CN116183462B publication Critical patent/CN116183462B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • G01N15/0826Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/084Testing filters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention discloses a quality detection method and a system of a diesel filter element, which relate to the technical field of fuel filtering, and the method comprises the following steps: acquiring a plurality of test diesel oils and a plurality of corresponding oil weight coefficients; filtering test is carried out on the target diesel filter element by adopting various test diesel, and a plurality of test impurity content parameters are obtained through detection, and a plurality of impurity filtering coefficients are obtained through calculation; inputting a plurality of impurity filtering coefficients into an impurity filtering evaluation model respectively to obtain a plurality of impurity filtering evaluation values; weighting calculation is carried out on the impurity filtering evaluation values by adopting a plurality of oil weight coefficients to obtain a total impurity filtering evaluation value; and performing differential pressure detection on the target diesel filter element based on various operation conditions of the engine operated by the target diesel filter element, so as to obtain a differential pressure detection result, and combining the differential pressure detection result with the target diesel filter element to obtain a quality detection result. The invention achieves the technical effects of comprehensively and accurately detecting and analyzing the quality by integrating the working condition of the diesel filter element.

Description

Quality detection method and system for diesel filter element
Technical Field
The invention relates to the technical field of fuel filtering, in particular to a quality detection method and system of a diesel filter element.
Background
The fuel filter is an important component of automobile components and is used for filtering sundries, dust, moisture and the like in fuel, ensuring high-quality combustion of the fuel and avoiding blocking and damaging precise components in an engine. The diesel filter element is used for filtering diesel, impurities and water in the diesel are relatively more, and the quality requirement on the diesel filter element is higher.
In the prior art, when the quality of the fuel filter is detected, the flow, the filtering efficiency and the like are generally detected, but the detection dimension is single, the method cannot be applied to the complex condition of the actual operation of the fuel filter, and the technical problems that the quality detection effect of the fuel filter is poor and the quality detection under the complex operation condition cannot be comprehensively carried out exist.
Disclosure of Invention
The application provides a quality detection method and a quality detection system for a diesel filter element, which are used for solving the technical problems that in the prior art, the quality detection dimension of a fuel filter is single, the quality detection effect is poor, and the quality detection under the complex operation condition cannot be comprehensively carried out.
In view of the above problems, the present application provides a quality detection method and system for a diesel filter element.
In a first aspect of the present application, there is provided a quality detection method for a diesel filter cartridge, the method comprising:
acquiring a plurality of test diesel oils containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation condition of a target diesel oil filter element to be subjected to quality detection within a past preset time range;
filtering the target diesel filter element by adopting the multiple test diesel, detecting and obtaining multiple test impurity content parameters of the filtered multiple test diesel, and calculating and obtaining multiple impurity filtering coefficients, wherein each impurity filtering coefficient comprises a water filtering coefficient and an impurity filtering coefficient;
respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
weighting calculation is carried out on the impurity filtering evaluation values by adopting the oil weight coefficients to obtain a total impurity filtering evaluation value;
performing differential pressure detection on a diesel filter where the target diesel filter element is positioned based on various operation conditions of an engine operated cooperatively with the target diesel filter element to obtain a differential pressure detection result;
and combining the total impurity filtering evaluation value and the differential pressure detection result to obtain a quality detection result of the target diesel filter element.
In a second aspect of the present application, there is provided a quality detection system for a diesel cartridge, the system comprising:
the test diesel oil determining module is used for obtaining various test diesel oils containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation working conditions of a target diesel oil filter element to be subjected to quality detection within a past preset time range;
the diesel filtering test module is used for carrying out filtering test on the target diesel filter element by adopting the plurality of test diesel, detecting a plurality of test impurity content parameters of the filtered plurality of test diesel, and calculating to obtain a plurality of impurity filtering coefficients, wherein each impurity filtering coefficient comprises a moisture filtering coefficient and an impurity filtering coefficient;
the filtering evaluation module is used for respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
the weighting calculation module is used for carrying out weighting calculation on the impurity filtering evaluation values by adopting the oil weight coefficients to obtain a total impurity filtering evaluation value;
the differential pressure detection module is used for detecting the differential pressure of the diesel filter where the target diesel filter element is positioned based on various operation conditions of the engine operated by the target diesel filter element in a matched mode, and obtaining a differential pressure detection result;
and the quality result output module is used for combining the total impurity filtering evaluation value and the pressure difference detection result to obtain the quality detection result of the target diesel filter element.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
according to the technical scheme, through the working condition of diesel filtering operation in the past time of the diesel filter element, various experimental diesel containing different content impurities and a plurality of corresponding oil weight coefficients are determined, filtering tests are carried out, a plurality of impurity filtering coefficients obtained through the tests are input into an impurity filtering evaluation model, a plurality of impurity filtering evaluation values are obtained, the plurality of oil weight coefficients are adopted, the plurality of impurity filtering evaluation values are weighted and calculated, a total impurity filtering evaluation value is obtained, differential pressure detection of the diesel filter element is further carried out under different working conditions of the diesel engine, a differential pressure detection result is obtained, and a quality detection result is obtained through combination. According to the method, the device and the system, the impurity filtering effect is detected under different working conditions of the diesel filter element, the pressure difference is detected under different working conditions of the engine, the dimension of the quality detection of the diesel filter element can be improved, the quality detection of the impurity filtering is comprehensively carried out according to the running conditions of different diesel filter elements, the pressure difference of the diesel filter is detected under different working conditions of the engine, the quality detection dimension of the diesel filter element is improved, the quality detection is comprehensively carried out under the combination of different running conditions, and the technical effect of the quality detection effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a quality detection method of a diesel filter element provided in an embodiment of the present application;
FIG. 2 is a schematic flow chart of obtaining a plurality of test diesel oils and a plurality of oil weight coefficients in a quality detection method of a diesel oil filter element provided in an embodiment of the present application;
fig. 3 is a schematic flow chart of obtaining multiple impurity filtering evaluation values in a quality detection method of a diesel filter element according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a quality detection system of a diesel filter element provided in an embodiment of the present application.
Reference numerals illustrate: the device comprises a test diesel determining module 11, a diesel filtering test module 12, a filtering evaluation module 13, a weighting calculation module 14, a differential pressure detection module 15 and a quality result output module 16.
Detailed Description
The application provides a quality detection method of a diesel filter element, which is used for solving the technical problems that in the prior art, the quality detection dimension of a fuel filter is single, the quality detection effect is poor, and the quality detection under the complex operation condition cannot be comprehensively carried out.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in fig. 1, the present application provides a quality detection method of a diesel filter element, the method comprising:
s100: acquiring a plurality of test diesel oils containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation condition of a target diesel oil filter element to be subjected to quality detection within a past preset time range;
in this embodiment of the application, the target diesel filter core is the diesel filter core that waits to carry out quality testing, and it sets up in diesel filter for impurity such as debris, moisture in the filtration diesel oil.
In order to meet the complex working conditions that the diesel filter element filters diesel of different oil products in actual conditions, according to the operating conditions of the target diesel filter element to be subjected to quality detection within the past preset time range, various test diesel which is subjected to diesel filtering by the target diesel filter element within the past preset time range and contains impurities with a plurality of initial impurity content parameters is obtained and is used for quality detection of the target diesel filter element.
As shown in fig. 2, step S100 in the method provided in the embodiment of the present application includes:
s110: collecting the operation conditions of the diesel filtering operation of the target diesel filter element in the past preset time range to obtain the various test diesel;
s120: detecting contents of impurities and moisture in samples of the various test diesel oils to obtain a plurality of initial impurity content parameters and a plurality of initial moisture content parameters as the plurality of initial impurity content parameters;
s130: and calculating and obtaining the plurality of oil weight coefficients according to the operation condition of the diesel filtering operation of the target diesel filter element in the past preset time range.
In this embodiment of the present application, the preset time range may be a time range with any time length, for example, one month, half year, one year, etc.
And collecting the operation condition of the diesel filtering operation of the target diesel filter element within the past preset time range, and particularly obtaining the diesel oil for diesel refueling within the past preset time range according to the vehicle in which the target diesel filter element is positioned, and sampling various oil products to obtain various test diesel oils. The different filtering conditions of the diesel filter element are formed because the added diesel oil products are different due to different filling stations, different regions and different oil product brands for supplementing diesel oil.
Further, the contents of impurities and moisture in samples of various test diesel oils are detected, wherein the impurities comprise dust, soil particles, metals and the like in the diesel oils, and the impurities are detected by physical and chemical means in the prior art to obtain a plurality of initial impurity content parameters and a plurality of initial moisture content parameters, wherein the impurity content parameters comprise impurity content parameters and moisture content parameters.
And (3) combining the operation working condition of the diesel filtering operation of the target diesel filter element in the past preset time range, and calculating and obtaining a plurality of oil weight coefficients corresponding to a plurality of test diesel.
Step S130 in the method provided in the embodiment of the present application includes:
s131: acquiring the operation amount of the target diesel filter element for filtering the plurality of test diesel in a past preset time range, and acquiring a plurality of diesel filtering amounts and total diesel filtering amount;
s132: calculating the ratio of the plurality of diesel oil filtering amounts to the total diesel oil filtering amount, and carrying out weight distribution according to the calculation result to obtain the plurality of oil weight coefficients.
In the embodiment of the application, the operation amount of filtering operation of the target diesel oil filter element on various test diesel oils in the past preset time range is obtained, namely, the diesel oil amounts of various test diesel oils added and used by a vehicle or an engine where the target diesel oil filter element is located in the past preset time range are obtained, and a plurality of diesel oil filtering amounts and total diesel oil filtering amounts are obtained.
Calculating the ratio of the plurality of diesel oil filtering amounts to the total diesel oil filtering amount according to the plurality of diesel oil filtering amounts and the total diesel oil filtering amount, and carrying out weight distribution according to the calculation result to obtain a plurality of oil weight coefficients, wherein the oil weight coefficients are the ratio of the diesel oil filtering amount to the total diesel oil filtering amount of the corresponding test diesel oil. The oil weight coefficient can reflect the duty ratio of the target diesel filter element to operate under the filtering working condition of the corresponding test diesel within the preset time range. The larger the oil weight coefficient is, the larger the duty ratio of the filtering operation of the target diesel oil filter element on the corresponding test diesel oil is, and the more the filtering quality of the target diesel oil filter element on the diesel oil corresponding to the test diesel oil is required to be considered.
According to the embodiment of the application, various test diesel oil and a plurality of corresponding oil weight coefficients for filtering operation of the diesel oil filter core are obtained according to the operation working conditions of the target diesel oil filter core in the past time, and the test diesel oil is used as a basis for comprehensively detecting the filtering quality of the diesel oil filter core.
S200: filtering the target diesel filter element by adopting the multiple test diesel, detecting and obtaining multiple test impurity content parameters of the filtered multiple test diesel, and calculating and obtaining multiple impurity filtering coefficients, wherein each impurity filtering coefficient comprises a water filtering coefficient and an impurity filtering coefficient;
in this embodiment, based on the multiple test diesel oils obtained in step S100, the filtration test is performed on the target diesel oil filter element respectively, and illustratively, the filtration test may be performed on the target diesel oil filter element by sequentially using multiple test diesel oils according to the order from large to small, by sorting according to the magnitudes of the multiple oil weight coefficients.
And after the filtering test, detecting the impurity content of the test diesel oil filtered by the target diesel oil filter element to obtain a plurality of test impurity content parameters, wherein each test impurity content parameter comprises a test impurity content parameter and a test moisture content parameter.
Calculating according to the test impurity content parameters and the initial impurity content parameters before filtration of the test tests, calculating the impurity and moisture filtration percentage, and specifically calculating the difference value between the test impurity content parameters and the initial impurity content parameters and the percentage of the initial impurity content parameters to obtain impurity filtration coefficients, wherein each impurity filtration coefficient comprises a moisture filtration coefficient and an impurity filtration coefficient, namely the filtration percentage of the impurity and the moisture in the filtration test.
Illustratively, the debris filter coefficient may be a filter percentage of debris above 25 μm in diesel fuel.
S300: respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
in the embodiment of the application, based on a plurality of impurity filtering coefficients, the effect of the target diesel filter element on filtering test diesel of different oil products is evaluated. Specifically, the moisture filter coefficients and the impurity filter coefficients in the impurity filter coefficients are input into an impurity filter evaluation model for analysis, and a plurality of impurity filter evaluation values are obtained.
As shown in fig. 3, step S300 in the method provided in the embodiment of the present application includes:
s310: acquiring a plurality of sample impurity filtering coefficients and a plurality of corresponding sample moisture filtering coefficients based on detection data of a plurality of same family diesel filter elements of the target diesel filter element;
s320: according to the plurality of sample impurity filtering coefficients and the plurality of sample moisture filtering coefficients, carrying out impurity filtering grade evaluation to obtain a plurality of sample impurity filtering evaluation values;
s330: the impurity filtering evaluation model is constructed by adopting the plurality of sample impurity filtering coefficients, the plurality of sample moisture filtering coefficients and the plurality of sample impurity filtering evaluation values as construction data, wherein the impurity filtering evaluation model comprises an impurity filtering evaluation coordinate system, a plurality of sample coordinate points and corresponding sample impurity filtering evaluation values;
s340: inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into the impurity filtering evaluation model to obtain the impurity filtering evaluation values.
In the embodiment of the application, based on detection data of impurity content of diesel before and after diesel filtration in past time of a plurality of same family diesel filter elements of the target diesel filter element, a plurality of sample impurity filter coefficients and a plurality of corresponding sample moisture filter coefficients are obtained.
The same-family diesel filter element is a diesel filter element which has the same model as the target diesel filter element and is arranged in a diesel filter of the same model. The detection data of impurities in diesel oil before and after diesel oil filtration are collected through the same-family diesel oil filter element and are used as construction data for constructing an impurity filtration evaluation model.
The impurity filtering rating is performed according to the impurity filtering coefficients of the samples and the water filtering coefficients of the samples, and specifically, the impurity filtering rating can be performed based on the rating by a person skilled in the diesel oil filtering field, for example, impurities with the particle size of more than 25 μm and water filtering reach 99%, 1, 97%, 2 and the like, so that a plurality of sample impurity filtering rating values are obtained.
Using a plurality of sample impurity filtering coefficients, a plurality of sample water filtering coefficients and a plurality of sample impurity filtering evaluation values as construction data, constructing an impurity filtering evaluation model for analyzing and evaluating the diesel filtering effect of the diesel filter element,
step S340 in the method provided in the embodiment of the present application includes:
s331: taking the water filtering coefficient as characteristic data of a first coordinate axis, taking the sundry filtering coefficient as characteristic data of a second coordinate axis perpendicular to the first coordinate axis, and constructing the impurity filtering evaluation coordinate system;
s332: inputting the impurity filtering coefficients of the samples and the water filtering coefficients of the samples into the impurity filtering evaluation coordinate system to obtain the coordinate points of the samples;
s333: and correspondingly marking the plurality of sample coordinate points by adopting the plurality of sample impurity filtering evaluation values to obtain the impurity filtering evaluation model.
In the embodiment of the application, the moisture filtering coefficient is taken as the characteristic data of the first coordinate axis, specifically as the coordinate value, the sundry filtering coefficient is taken as the characteristic data of the second coordinate axis perpendicular to the first coordinate axis, and the impurity filtering evaluation coordinate system is constructed.
And combining the plurality of sample impurity filtering coefficients and the plurality of sample moisture filtering coefficients in the construction data in a one-to-one correspondence manner, and inputting the impurity filtering evaluation coordinate system to obtain a plurality of sample coordinate points.
And correspondingly marking a plurality of sample coordinate points by adopting a plurality of sample impurity filtering evaluation values obtained according to the plurality of sample impurity filtering coefficients and the plurality of sample water filtering coefficient evaluations, so as to obtain a constructed impurity filtering evaluation model.
The water filtering coefficient and the impurity filtering coefficient in the current impurity filtering coefficients are input into the impurity filtering evaluation model, so that a plurality of impurity filtering evaluation values are obtained.
Step S340 in the method provided in the embodiment of the present application includes:
s341: respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of target coordinate points;
s342: respectively acquiring K sample coordinate points nearest to the target coordinate points and corresponding K sample impurity filtering evaluation values to obtain a plurality of sample impurity filtering evaluation value sets, wherein K is an odd number;
s343: and respectively acquiring the sample impurity filtering evaluation values with highest occurrence frequency in the plurality of sample impurity filtering evaluation value sets as the plurality of impurity filtering evaluation values.
In the embodiment of the application, the moisture filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients are respectively input into the impurity filtering evaluation model, and corresponding coordinate values are obtained in the first coordinate axis and the second coordinate axis according to the moisture filtering coefficient and the impurity filtering coefficient in each impurity filtering coefficient, so that a plurality of target coordinate points are formed.
And respectively calculating the distances between the sample coordinate points near the plurality of target coordinate points and the target coordinate points, and acquiring K sample coordinate points nearest to the plurality of target coordinate points and K sample impurity filtering evaluation values corresponding to the K sample coordinate points according to the distances to obtain a plurality of sample impurity filtering evaluation value sets, wherein K is an odd number, preferably K is 5.
And respectively acquiring sample impurity filtering evaluation values with highest occurrence frequency in the plurality of sample impurity filtering evaluation value sets, and using the sample impurity filtering evaluation values as the plurality of impurity filtering evaluation values to finish analysis and evaluation of a plurality of current impurity filtering coefficients.
According to the embodiment of the application, the filtering detection data of the same-family diesel filter element in the past time are obtained, the impurity filtering evaluation model is built based on the thought of the KNN algorithm, the filtering effect of the diesel filter element is evaluated, the complex filtering working conditions of the diesel filter element can be combined, and the quality detection and evaluation under the filtering of different oil products and diesel are respectively carried out, so that the method is more accurate.
S400: weighting calculation is carried out on the impurity filtering evaluation values by adopting the oil weight coefficients to obtain a total impurity filtering evaluation value;
further, the plurality of oil weight coefficients are adopted to carry out weighted summation calculation on the plurality of impurity filtering evaluation values, so as to obtain a total impurity filtering evaluation value.
Exemplary, if the oil weight coefficient of a certain test diesel oil is W 1 The impurity filtering evaluation value of the test diesel oil after the filtering test is X, the part of the test diesel oil in the total impurity filtering evaluation value is W 1 And X, thus, calculating and obtaining the total impurity filtering evaluation value.
Through carrying out weighted summation calculation on a plurality of impurity filtering evaluation values according to a plurality of oil weight coefficients, the working condition of diesel filtering by the target diesel filter element can be synthesized to carry out filtering quality evaluation, and further the accuracy and the applicability of the quality detection evaluation of the diesel filter element are improved, and a reference is provided for the filtering quality of the diesel filter element.
S500: performing differential pressure detection on a diesel filter where the target diesel filter element is positioned based on various operation conditions of an engine operated cooperatively with the target diesel filter element to obtain a differential pressure detection result;
in the embodiment of the application, besides the filtering quality of the diesel filter element, the pressure difference of the target diesel filter element is detected, and the total impurity filtering evaluation value is synthesized to serve as the quality detection result of the target diesel filter element.
Step S500 in the method provided in the embodiment of the present application includes:
s510: acquiring a first operation condition, a second operation condition and a third operation condition of the engine;
s520: detecting the differential pressure of the diesel filter under the first operating condition, the second operating condition and the third operating condition respectively to obtain a first differential pressure detection result, a second differential pressure detection result and a third differential pressure detection result;
s530: according to the running time of the engine in the first running working condition, the second running working condition and the third running working condition, weight distribution is carried out, and a plurality of working condition weight coefficients are obtained;
s540: evaluating according to the first differential pressure detection result, the second differential pressure detection result and the third differential pressure detection result to obtain a first differential pressure score, a second differential pressure score and a third differential pressure score;
s550: and carrying out weighted calculation on the first differential pressure score, the second differential pressure score and the third differential pressure score by adopting the working condition weight coefficients to obtain the differential pressure detection result.
In the embodiment of the application, based on the fact that multiple operation conditions of the engine operated by the target diesel filter element include the conditions of the engine at different rotation speeds, three types of operation conditions including a torque point, an idle point and a power point are selected as the first operation condition, the second operation condition and the third operation condition; .
When the engine operates under a first operating condition, a second operating condition and a third operating condition respectively, the differential pressure of the diesel filter where the target diesel filter element is positioned is detected based on the differential pressure detection means of the fuel filter in the prior art, and a first differential pressure detection result, a second differential pressure detection result and a third differential pressure detection result are obtained.
And according to the running time of the engine in the first running working condition, the second running working condition and the third running working condition, weight distribution is carried out, and a plurality of working condition weight coefficients are obtained.
The method comprises the steps of acquiring running time of the engine in a first running condition, a second running condition and a third running condition in a preset time range in the past, distributing weights according to the running time, and specifically calculating the ratio of the running time of different working conditions to the total running time to obtain the working condition weight coefficients.
The running time of the engine under the first running condition, the second running condition and the third running condition can be obtained based on data such as engine running record logs.
The evaluation is performed according to the first differential pressure detection result, the second differential pressure detection result and the third differential pressure detection result, and the evaluation can be performed specifically based on a technician detecting the differential pressure of the fuel filter, the degree that the first differential pressure detection result is smaller than the standard differential pressure of the diesel filter is analyzed and judged, the score is higher as the differential pressure is smaller, the score threshold standard can be set according to the specific differential pressure, and the corresponding score is obtained when the differential pressure is within a certain threshold interval. Thus, a first differential pressure score, a second differential pressure score and a third differential pressure score are obtained
And weighting calculation is carried out on the first differential pressure score, the second differential pressure score and the third differential pressure score by adopting a plurality of working condition weight coefficients, so as to obtain a differential pressure detection result of differential pressure detection of the diesel filter.
According to the embodiment of the application, the pressure difference of the diesel filter under different working conditions of the engine is detected, the pressure difference is related to the quality of the diesel filter element, and weight distribution and weight calculation are carried out according to the running time of the engine under different working conditions, so that a comprehensive pressure difference detection result is obtained.
S600: and combining the total impurity filtering evaluation value and the differential pressure detection result to obtain a quality detection result of the target diesel filter element.
Based on the total impurity filtering evaluation value obtained by detecting the filtering quality of the target diesel filter element and the differential pressure detection result of differential pressure detection of the diesel filter, the quality detection result of the target diesel filter element is obtained, and data reference is provided for quality detection, replacement and the like of the diesel filter element.
In summary, the embodiments of the present application have at least the following technical effects:
according to the embodiment of the application, through the working condition of diesel filtering operation in the past time of the diesel filter element, various test diesel containing different content impurities and a plurality of corresponding oil weight coefficients are determined, filtering tests are carried out, the impurity filtering coefficients obtained through the tests are input into an impurity filtering evaluation model, a plurality of impurity filtering evaluation values are obtained, the plurality of oil weight coefficients are adopted, the impurity filtering evaluation values are subjected to weighted calculation, a total impurity filtering evaluation value is obtained, differential pressure detection of the diesel filter element is further carried out under different working conditions of the diesel engine, a differential pressure detection result is obtained, and a quality detection result is obtained through combination. According to the method, the device and the system, the impurity filtering effect is detected under different working conditions of the diesel filter element, the pressure difference is detected under different working conditions of the engine, the dimension of the quality detection of the diesel filter element can be improved, the quality detection of the impurity filtering is comprehensively carried out according to the running conditions of different diesel filter elements, the pressure difference of the diesel filter is detected under different working conditions of the engine, the quality detection dimension of the diesel filter element is improved, the quality detection is comprehensively carried out under the combination of different running conditions, and the technical effect of the quality detection effect is improved.
Example two
Based on the same inventive concept as the quality detection method of a diesel filter element in the foregoing embodiments, as shown in fig. 4, the present application provides a quality detection system of a diesel filter element, and the system and method embodiments in the embodiments of the present application are based on the same inventive concept. Wherein the system comprises:
the test diesel determining module 11 is used for obtaining various test diesel containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation condition of a target diesel filter element to be subjected to quality detection in a past preset time range;
the diesel filtering test module 12 is configured to perform a filtering test on the target diesel filter element by using the multiple test diesel, detect multiple test impurity content parameters of the filtered multiple test diesel, and calculate to obtain multiple impurity filtering coefficients, where each impurity filtering coefficient includes a moisture filtering coefficient and an impurity filtering coefficient;
a filtering evaluation module 13, configured to input the moisture filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
the weighting calculation module 14 is configured to perform weighting calculation on the impurity filtering evaluation values by using the plurality of oil weight coefficients to obtain a total impurity filtering evaluation value;
the differential pressure detection module 15 is used for detecting the differential pressure of the diesel filter where the target diesel filter element is positioned based on various operation conditions of the engine operated cooperatively by the target diesel filter element, so as to obtain a differential pressure detection result;
and the quality result output module 16 is used for combining the total impurity filtering evaluation value and the pressure difference detection result to obtain the quality detection result of the target diesel filter element.
Further, the test diesel fuel determination module 11 is also configured to perform the following functions:
collecting the operation conditions of the diesel filtering operation of the target diesel filter element in the past preset time range to obtain the various test diesel;
detecting contents of impurities and moisture in samples of the various test diesel oils to obtain a plurality of initial impurity content parameters and a plurality of initial moisture content parameters as the plurality of initial impurity content parameters;
and calculating and obtaining the plurality of oil weight coefficients according to the operation condition of the diesel filtering operation of the target diesel filter element in the past preset time range.
Wherein, according to the operation condition that the target diesel filter core carries out diesel filtering operation in the past preset time range, calculate and acquire a plurality of oil weight coefficients, include:
acquiring the operation amount of the target diesel filter element for filtering the plurality of test diesel in a past preset time range, and acquiring a plurality of diesel filtering amounts and total diesel filtering amount;
calculating the ratio of the plurality of diesel oil filtering amounts to the total diesel oil filtering amount, and carrying out weight distribution according to the calculation result to obtain the plurality of oil weight coefficients.
Further, the filter evaluation module 13 is further configured to implement the following functions:
acquiring a plurality of sample impurity filtering coefficients and a plurality of corresponding sample moisture filtering coefficients based on detection data of a plurality of same family diesel filter elements of the target diesel filter element;
according to the plurality of sample impurity filtering coefficients and the plurality of sample moisture filtering coefficients, carrying out impurity filtering grade evaluation to obtain a plurality of sample impurity filtering evaluation values;
the impurity filtering evaluation model is constructed by adopting the plurality of sample impurity filtering coefficients, the plurality of sample moisture filtering coefficients and the plurality of sample impurity filtering evaluation values as construction data, wherein the impurity filtering evaluation model comprises an impurity filtering evaluation coordinate system, a plurality of sample coordinate points and corresponding sample impurity filtering evaluation values;
inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into the impurity filtering evaluation model to obtain the impurity filtering evaluation values.
Wherein, adopt a plurality of sample debris filter coefficients, a plurality of sample moisture filter coefficients and a plurality of sample impurity filter evaluation values as the construction data, the construction of impurity filter evaluation model includes:
taking the water filtering coefficient as characteristic data of a first coordinate axis, taking the sundry filtering coefficient as characteristic data of a second coordinate axis perpendicular to the first coordinate axis, and constructing the impurity filtering evaluation coordinate system;
inputting the impurity filtering coefficients of the samples and the water filtering coefficients of the samples into the impurity filtering evaluation coordinate system to obtain the coordinate points of the samples;
and correspondingly marking the plurality of sample coordinate points by adopting the plurality of sample impurity filtering evaluation values to obtain the impurity filtering evaluation model.
Wherein inputting the moisture filter coefficients and the impurity filter coefficients in the plurality of impurity filter coefficients into the impurity filter evaluation model to obtain the plurality of impurity filter evaluation values, comprises:
respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of target coordinate points;
respectively acquiring K sample coordinate points nearest to the target coordinate points and corresponding K sample impurity filtering evaluation values to obtain a plurality of sample impurity filtering evaluation value sets, wherein K is an odd number;
and respectively acquiring the sample impurity filtering evaluation values with highest occurrence frequency in the plurality of sample impurity filtering evaluation value sets as the plurality of impurity filtering evaluation values.
Further, the differential pressure detection module 15 is further configured to perform the following functions:
acquiring a first operation condition, a second operation condition and a third operation condition of the engine;
detecting the differential pressure of the diesel filter under the first operating condition, the second operating condition and the third operating condition respectively to obtain a first differential pressure detection result, a second differential pressure detection result and a third differential pressure detection result;
according to the running time of the engine in the first running working condition, the second running working condition and the third running working condition, weight distribution is carried out, and a plurality of working condition weight coefficients are obtained;
evaluating according to the first differential pressure detection result, the second differential pressure detection result and the third differential pressure detection result to obtain a first differential pressure score, a second differential pressure score and a third differential pressure score;
and carrying out weighted calculation on the first differential pressure score, the second differential pressure score and the third differential pressure score by adopting the working condition weight coefficients to obtain the differential pressure detection result.
It should be noted that the sequence of the embodiments of the present application is merely for description, and does not represent the advantages and disadvantages of the embodiments. And the foregoing description has been directed to specific embodiments of this specification. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing description of the preferred embodiments of the present application is not intended to limit the invention to the particular embodiments of the present application, but to limit the scope of the invention to the particular embodiments of the present application.
The specification and drawings are merely exemplary of the application and are to be regarded as covering any and all modifications, variations, combinations, or equivalents that are within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (8)

1. A method for quality detection of a diesel fuel cartridge, the method comprising:
acquiring a plurality of test diesel oils containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation condition of a target diesel oil filter element to be subjected to quality detection within a past preset time range;
filtering the target diesel filter element by adopting the multiple test diesel, detecting and obtaining multiple test impurity content parameters of the filtered multiple test diesel, and calculating and obtaining multiple impurity filtering coefficients, wherein each impurity filtering coefficient comprises a water filtering coefficient and an impurity filtering coefficient;
respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
weighting calculation is carried out on the impurity filtering evaluation values by adopting the oil weight coefficients to obtain a total impurity filtering evaluation value;
performing differential pressure detection on a diesel filter where the target diesel filter element is positioned based on various operation conditions of an engine operated cooperatively with the target diesel filter element to obtain a differential pressure detection result;
and combining the total impurity filtering evaluation value and the differential pressure detection result to obtain a quality detection result of the target diesel filter element.
2. The method of claim 1, wherein obtaining a plurality of test diesel fuels containing impurities of a plurality of initial impurity content parameters and a corresponding plurality of oil weight coefficients according to an operating condition of a target diesel filter element to be subjected to quality detection within a past preset time range, comprises:
collecting the operation conditions of the diesel filtering operation of the target diesel filter element in the past preset time range to obtain the various test diesel;
detecting contents of impurities and moisture in samples of the various test diesel oils to obtain a plurality of initial impurity content parameters and a plurality of initial moisture content parameters as the plurality of initial impurity content parameters;
and calculating and obtaining the plurality of oil weight coefficients according to the operation condition of the diesel filtering operation of the target diesel filter element in the past preset time range.
3. The method of claim 2, wherein calculating the plurality of oil weighting coefficients based on an operating condition of the target diesel filter element for diesel filtering operation over a predetermined time range comprises:
acquiring the operation amount of the target diesel filter element for filtering the plurality of test diesel in a past preset time range, and acquiring a plurality of diesel filtering amounts and total diesel filtering amount;
calculating the ratio of the plurality of diesel oil filtering amounts to the total diesel oil filtering amount, and carrying out weight distribution according to the calculation result to obtain the plurality of oil weight coefficients.
4. The method according to claim 1, wherein inputting the moisture filter coefficient and the impurity filter coefficient among the plurality of impurity filter coefficients into the impurity filter evaluation model, respectively, to obtain a plurality of impurity filter evaluation values, comprises:
acquiring a plurality of sample impurity filtering coefficients and a plurality of corresponding sample moisture filtering coefficients based on detection data of a plurality of same family diesel filter elements of the target diesel filter element;
according to the plurality of sample impurity filtering coefficients and the plurality of sample moisture filtering coefficients, carrying out impurity filtering grade evaluation to obtain a plurality of sample impurity filtering evaluation values;
the impurity filtering evaluation model is constructed by adopting the plurality of sample impurity filtering coefficients, the plurality of sample moisture filtering coefficients and the plurality of sample impurity filtering evaluation values as construction data, wherein the impurity filtering evaluation model comprises an impurity filtering evaluation coordinate system, a plurality of sample coordinate points and corresponding sample impurity filtering evaluation values;
inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into the impurity filtering evaluation model to obtain the impurity filtering evaluation values.
5. The method of claim 4, wherein constructing the impurity filtering evaluation model using the plurality of sample impurity filtering coefficients, the plurality of sample moisture filtering coefficients, and the plurality of sample impurity filtering evaluation values as construction data comprises:
taking the water filtering coefficient as characteristic data of a first coordinate axis, taking the sundry filtering coefficient as characteristic data of a second coordinate axis perpendicular to the first coordinate axis, and constructing the impurity filtering evaluation coordinate system;
inputting the impurity filtering coefficients of the samples and the water filtering coefficients of the samples into the impurity filtering evaluation coordinate system to obtain the coordinate points of the samples;
and correspondingly marking the plurality of sample coordinate points by adopting the plurality of sample impurity filtering evaluation values to obtain the impurity filtering evaluation model.
6. The method according to claim 4, wherein inputting the moisture filter coefficients and the impurity filter coefficients among the plurality of impurity filter coefficients into the impurity filter evaluation model to obtain the plurality of impurity filter evaluation values, comprises:
respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of target coordinate points;
respectively acquiring K sample coordinate points nearest to the target coordinate points and corresponding K sample impurity filtering evaluation values to obtain a plurality of sample impurity filtering evaluation value sets, wherein K is an odd number;
and respectively acquiring the sample impurity filtering evaluation values with highest occurrence frequency in the plurality of sample impurity filtering evaluation value sets as the plurality of impurity filtering evaluation values.
7. The method of claim 1, wherein the differential pressure detection of the diesel filter in which the target diesel filter cartridge is located based on a plurality of operating conditions of an engine in which the target diesel filter cartridge operates in concert comprises:
acquiring a first operation condition, a second operation condition and a third operation condition of the engine;
detecting the differential pressure of the diesel filter under the first operating condition, the second operating condition and the third operating condition respectively to obtain a first differential pressure detection result, a second differential pressure detection result and a third differential pressure detection result;
according to the running time of the engine in the first running working condition, the second running working condition and the third running working condition, weight distribution is carried out, and a plurality of working condition weight coefficients are obtained;
evaluating according to the first differential pressure detection result, the second differential pressure detection result and the third differential pressure detection result to obtain a first differential pressure score, a second differential pressure score and a third differential pressure score;
and carrying out weighted calculation on the first differential pressure score, the second differential pressure score and the third differential pressure score by adopting the working condition weight coefficients to obtain the differential pressure detection result.
8. A quality detection system for a diesel cartridge, the system comprising:
the test diesel oil determining module is used for obtaining various test diesel oils containing impurities with a plurality of initial impurity content parameters and a plurality of corresponding oil weight coefficients according to the operation working conditions of a target diesel oil filter element to be subjected to quality detection within a past preset time range;
the diesel filtering test module is used for carrying out filtering test on the target diesel filter element by adopting the plurality of test diesel, detecting a plurality of test impurity content parameters of the filtered plurality of test diesel, and calculating to obtain a plurality of impurity filtering coefficients, wherein each impurity filtering coefficient comprises a moisture filtering coefficient and an impurity filtering coefficient;
the filtering evaluation module is used for respectively inputting the water filtering coefficient and the impurity filtering coefficient in the impurity filtering coefficients into an impurity filtering evaluation model to obtain a plurality of impurity filtering evaluation values;
the weighting calculation module is used for carrying out weighting calculation on the impurity filtering evaluation values by adopting the oil weight coefficients to obtain a total impurity filtering evaluation value;
the differential pressure detection module is used for detecting the differential pressure of the diesel filter where the target diesel filter element is positioned based on various operation conditions of the engine operated by the target diesel filter element in a matched mode, and obtaining a differential pressure detection result;
and the quality result output module is used for combining the total impurity filtering evaluation value and the pressure difference detection result to obtain the quality detection result of the target diesel filter element.
CN202310207959.1A 2023-03-07 2023-03-07 Quality detection method and system for diesel filter element Active CN116183462B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310207959.1A CN116183462B (en) 2023-03-07 2023-03-07 Quality detection method and system for diesel filter element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310207959.1A CN116183462B (en) 2023-03-07 2023-03-07 Quality detection method and system for diesel filter element

Publications (2)

Publication Number Publication Date
CN116183462A true CN116183462A (en) 2023-05-30
CN116183462B CN116183462B (en) 2024-03-08

Family

ID=86448611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310207959.1A Active CN116183462B (en) 2023-03-07 2023-03-07 Quality detection method and system for diesel filter element

Country Status (1)

Country Link
CN (1) CN116183462B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117701329A (en) * 2024-02-06 2024-03-15 青岛众屹科锐工程技术有限公司 Lubricating oil reduction and purification control method and system based on data analysis

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014733A (en) * 2017-04-26 2017-08-04 苏州达菲特过滤技术股份有限公司 A kind of test system and method for the cleaner filter efficiency for simulating vehicle-mounted operating mode
CN108007837A (en) * 2016-11-02 2018-05-08 财团法人车辆研究测试中心 Liquid cleaner exception detecting method and liquid cleaner abnormity detecting system
US20180161709A1 (en) * 2016-12-11 2018-06-14 Automotive Research & Testing Center Method for detecting abnormality of fluid filter and fluid filter abnormality detecting system
CN113236456A (en) * 2021-06-18 2021-08-10 潍柴动力股份有限公司 Method, device and equipment for detecting running state of filter and storage medium
CN113295596A (en) * 2021-06-09 2021-08-24 瑞安市力硕汽车部件有限公司 Diesel oil filter and method for detecting filter element filtering capacity and service life of diesel oil filter
CN214794354U (en) * 2020-12-21 2021-11-19 苏州道安自动化技术有限公司 Filtering performance detection device for automobile filter
CN115374657A (en) * 2022-10-25 2022-11-22 普瑞奇科技(北京)股份有限公司 Purification performance evaluation method and system for oil filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007837A (en) * 2016-11-02 2018-05-08 财团法人车辆研究测试中心 Liquid cleaner exception detecting method and liquid cleaner abnormity detecting system
US20180161709A1 (en) * 2016-12-11 2018-06-14 Automotive Research & Testing Center Method for detecting abnormality of fluid filter and fluid filter abnormality detecting system
CN107014733A (en) * 2017-04-26 2017-08-04 苏州达菲特过滤技术股份有限公司 A kind of test system and method for the cleaner filter efficiency for simulating vehicle-mounted operating mode
CN214794354U (en) * 2020-12-21 2021-11-19 苏州道安自动化技术有限公司 Filtering performance detection device for automobile filter
CN113295596A (en) * 2021-06-09 2021-08-24 瑞安市力硕汽车部件有限公司 Diesel oil filter and method for detecting filter element filtering capacity and service life of diesel oil filter
CN113236456A (en) * 2021-06-18 2021-08-10 潍柴动力股份有限公司 Method, device and equipment for detecting running state of filter and storage medium
CN115374657A (en) * 2022-10-25 2022-11-22 普瑞奇科技(北京)股份有限公司 Purification performance evaluation method and system for oil filter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
方奇术;: "核电厂柴油机油水分离器滤芯失效分析", 设备管理与维修, no. 11, 6 June 2020 (2020-06-06) *
郁海刚;: "国四排放标准的实施对燃油滤清器性能检测的影响", 南方农机, no. 04, 26 April 2015 (2015-04-26) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117701329A (en) * 2024-02-06 2024-03-15 青岛众屹科锐工程技术有限公司 Lubricating oil reduction and purification control method and system based on data analysis
CN117701329B (en) * 2024-02-06 2024-04-26 青岛众屹科锐工程技术有限公司 Lubricating oil reduction and purification control method and system based on data analysis

Also Published As

Publication number Publication date
CN116183462B (en) 2024-03-08

Similar Documents

Publication Publication Date Title
EP2376989B1 (en) Identification of defects in an aircraft engine
CN116183462B (en) Quality detection method and system for diesel filter element
CN111852630A (en) Carbon loading capacity detection method, equipment, storage medium and device
CN101299031B (en) Method for detecting automobile tail gas based on gas sensor array
Steffen et al. A comparison of data quality control protocols for atmospheric mercury speciation measurements
US10782280B2 (en) Method and system for evaluation of engine condition
CN104053890B (en) Method and control unit for determining a dead time of an exhaust gas sensor of an internal combustion engine
US6623975B1 (en) Method and system for vehicle emission testing
DE112017002798T5 (en) Monitoring device, method for monitoring target device and program
Brincker et al. Damage detection in an offshore structure
Borucka et al. Laboratory measurements of vehicle exhaust emissions in conditions reproducing real traffic
CN112967764B (en) Multi-technology coupled pollutant source analysis method and device
CN114462511A (en) PM based on XGboost algorithm2.5Data anomaly identification method
Larsen et al. REGIONAL SCALE TREND MONITORING OF INDICATORS OF TROPHIC CONDITION OF LAKES 1
US20060069521A1 (en) Methods and systems for analyzing structural test data
CN112685846B (en) Load spectrum acquisition test method and system
CN112329341A (en) Fault diagnosis system and method based on AR and random forest model
JPS58201047A (en) Discriminating method of fault diagnostic system
US20050027403A1 (en) Parameter identification-based filtering
CN107934712A (en) Elevator health degree detection method and device based on statistical models
RU2331893C1 (en) Method of discrete component separation in signal spectre and device for its implementation
JP2001209628A (en) Pattern matching method
CN116379043B (en) Fault detection method and system for spin-on oil filter
CN116702521B (en) Automatic driving scene consistency comparison method and device and electronic equipment
CN113112160B (en) Diagnostic data processing method, diagnostic data processing device and electronic equipment

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