A method, device and equipment for determining crude oil origin based on multi-scale analysis

Abstract

The present invention relates to a method for determining the origin of crude oil based on multi-scale analysis, comprising obtaining infrared absorption spectrum data of the crude oil to be identified, and obtaining infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database; using a multi-scale analysis method, calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database; obtaining the origin information of the crude oil to be identified based on the projection distance, wherein the crude oil infrared fingerprint database is a database established based on the infrared absorption spectrum data of multiple crude oil samples. The present invention uses the crude oil infrared fingerprint method to identify the source of crude oil, which has the advantages of high efficiency, wide application range, and high accuracy, and makes up for the technical gap in my country's difficulty in identifying the source of crude oil during crude oil supervision. The present invention also relates to a crude oil origin determination device and equipment based on multi-scale analysis.

Description

Technical Field

[0001] The present invention relates to the technical field of crude oil supervision, and in particular to a method, device and equipment for determining the origin of crude oil based on multi-scale analysis. Background Art

[0002] Crude oil is the world's most important energy consumer and chemical raw material. It is known as the "blood of industry" and plays an important role in modern economic life. As the world's second largest economy, China's demand for crude oil is growing, and domestic supply is in short supply. Importing crude oil from abroad is an important way to meet demand. At present, it is urgent to establish a fast, simple and accurate technical method to identify crude oil from different origins. It is of great significance and application value to ensure my country's energy security, understand the origin of crude oil, and ensure that imported crude oil is not adulterated. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a method, device and equipment for determining the origin of crude oil based on multi-scale analysis in view of the deficiencies in the prior art.

[0004] The technical solution of the present invention to solve the above technical problems is as follows:

[0005] A method for determining crude oil origin based on multi-scale analysis, the method comprising:

[0006] Acquire infrared absorption spectrum data of the crude oil to be identified, and obtain infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database;

[0007] Using a multi-scale analysis method, calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database;

[0008] The origin information of the crude oil to be identified is obtained according to the projection distance, wherein the crude oil infrared fingerprint database is a database established according to infrared absorption spectrum data of multiple crude oil samples.

[0009] The beneficial effects of the invention of this method are as follows: a method for determining the origin of crude oil based on multi-scale analysis is proposed, including obtaining infrared absorption spectrum data of the crude oil to be identified, and obtaining infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and the infrared fingerprint database of crude oil; using the multi-scale analysis method, calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the infrared fingerprint database of crude oil; obtaining the origin information of the crude oil to be identified based on the projection distance, wherein the infrared fingerprint database of crude oil is a database established based on the infrared absorption spectrum data of multiple crude oil samples. The invention adopts the infrared fingerprint method of crude oil to identify the source of crude oil, which has the advantages of high efficiency, wide application range, and high accuracy, and makes up for the technical gap in my country's difficulty in identifying the source of crude oil during crude oil supervision, and has practical value.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the multi-scale analysis method is used to calculate the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database, specifically including:

[0012] Performing similarity processing on the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database and the infrared fingerprint data of the crude oil to be identified to obtain a fingerprint similarity matrix;

[0013] Using a multi-scale analysis method MDS, the fingerprint similarity matrix is ​​projected to project the infrared fingerprint data into a two-dimensional plane coordinate system or a three-dimensional coordinate system, wherein each projection point represents infrared fingerprint data of a crude oil;

[0014] According to the two-dimensional plane coordinate system or the three-dimensional coordinate system, the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database is calculated.

[0015] Furthermore, the infrared fingerprint data of the crude oil to be identified is obtained according to the infrared absorption spectrum data of the crude oil to be identified and the crude oil infrared fingerprint database, specifically including:

[0016] Determining the characteristic absorption peak wave number used by the crude oil infrared fingerprint database according to the fingerprint feature used by the crude oil infrared fingerprint database;

[0017] The fingerprint characteristic value of the crude oil to be identified is determined according to the characteristic absorption peak wave number and the infrared absorption spectrum data of the crude oil to be identified.

[0018] Furthermore, the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database and the infrared fingerprint data of the crude oil to be identified are subjected to similarity processing to obtain a fingerprint similarity matrix, which specifically includes:

[0019] For each of the crude oil samples, based on the corresponding infrared fingerprint data and a given similarity calculation formula, determine the similarity value between the crude oil sample and other crude oil samples and the crude oil to be identified;

[0020] The similarity values ​​are arranged in a set order to obtain similarity vectors corresponding to the crude oil sample and the crude oil to be identified, and the similarity vectors are merged to form the fingerprint similarity matrix.

[0021] Furthermore, the use of the multi-scale analysis method MDS to project the fingerprint similarity matrix and project the infrared fingerprint data into a two-dimensional plane coordinate system or a three-dimensional coordinate system specifically includes:

[0022] Dimensionality reduction processing is performed on the fingerprint similarity matrix to obtain a dimension reduction matrix of a preset dimension;

[0023] Determine the crude oil sample or the crude oil to be identified associated with each column vector in the dimension reduction matrix, and use the vector value of each column vector as the coordinate information of the corresponding crude oil sample and the coordinate information of the crude oil to be identified;

[0024] The crude oil samples and the crude oil to be identified are displayed in a coordinate system based on the coordinate information.

[0025] Further, the projected distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database is calculated according to the two-dimensional plane coordinate system or the three-dimensional coordinate system, and the origin information of the crude oil to be identified is obtained according to the projection distance, which specifically includes:

[0026] Acquiring coordinate information of each of the crude oil samples and the crude oil to be identified, and calculating the coordinate distance between each of the crude oil samples and the crude oil to be identified according to the coordinate information;

[0027] generating a display image corresponding to each of the crude oil samples according to the coordinate distance, and displaying each of the display images according to the coordinate information;

[0028] Similar crude oil samples are determined according to the display results of the display images, and the origin information of the crude oil to be identified is obtained according to the origin information of the similar crude oil samples.

[0029] Another technical solution of the present invention to solve the above technical problems is as follows:

[0030] A crude oil origin determination device based on multi-scale analysis, the device comprising:

[0031] An acquisition module, used to acquire infrared absorption spectrum data of the crude oil to be identified, and obtain infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database;

[0032] An analysis module, used to calculate the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database by using a multi-scale analysis method;

[0033] The determination module is used to obtain the origin information of the crude oil to be identified according to the projection distance, wherein the crude oil infrared fingerprint database is a database established according to the infrared absorption spectrum data of multiple crude oil samples.

[0034] The present invention also provides a device, comprising: one or more processors; a memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the crude oil origin determination method based on multi-scale analysis as described in any of the above technical solutions.

[0035] In addition, the present invention also provides a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, it implements the method for determining the origin of crude oil based on multi-scale analysis as described in any of the above technical solutions.

[0036] Advantages of additional aspects of the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments of the present invention or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 A schematic diagram of a process of determining the origin of crude oil based on multi-scale analysis according to an embodiment of the present invention;

[0039] Figure 2 This is a module schematic diagram of a crude oil origin determination device based on multi-scale analysis according to an embodiment of the present invention;

[0040] Figure 3This is a schematic diagram of performing MDS analysis on a crude oil sample to be identified and data in a crude oil infrared fingerprint database according to an embodiment of the present invention. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0042] like Figure 1 As shown in the flowchart of a method for determining the origin of crude oil based on multi-scale analysis according to an embodiment of the present invention, the method for determining the origin of crude oil based on multi-scale analysis comprises the following steps:

[0043] 110. Acquire infrared absorption spectrum data of the crude oil to be identified, and obtain infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database.

[0044] 120. Calculate the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database by using a multi-scale analysis method.

[0045] 130. Obtain the origin information of the crude oil to be identified according to the projection distance, wherein the crude oil infrared fingerprint database is a database established based on infrared absorption spectrum data of multiple crude oil samples.

[0046] Based on the above embodiment, further, step 120 specifically includes:

[0047] 121. Perform similarity processing on the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database and the infrared fingerprint data of the crude oil to be identified to obtain a fingerprint similarity matrix.

[0048] 122. Use a multi-scale analysis method MDS to project the fingerprint similarity matrix, and project the infrared fingerprint data into a two-dimensional plane coordinate system or a three-dimensional coordinate system, wherein each projection point represents infrared fingerprint data of a crude oil.

[0049] 123. Calculate, according to the two-dimensional plane coordinate system or the three-dimensional coordinate system, a projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database.

[0050] Furthermore, step 110 specifically includes:

[0051] 111. Determine the characteristic absorption peak wave number used by the crude oil infrared fingerprint database according to the fingerprint feature used by the crude oil infrared fingerprint database.

[0052] 112. Determine a fingerprint characteristic value of the crude oil to be identified according to the characteristic absorption peak wave number and the infrared absorption spectrum data of the crude oil to be identified.

[0053] Furthermore, step 121 specifically includes:

[0054] 1211. For each of the crude oil samples, based on the corresponding infrared fingerprint data and a given similarity calculation formula, determine a similarity value between the crude oil sample and other crude oil samples and the crude oil to be identified.

[0055] 1212. Arrange the similarity values ​​in a set order to obtain similarity vectors corresponding to the crude oil sample and the crude oil to be identified, and merge the similarity vectors to form the fingerprint similarity matrix.

[0056] Furthermore, step 122 specifically includes:

[0057] 1221. Perform dimensionality reduction processing on the fingerprint similarity matrix to obtain a dimensionality reduction matrix of a preset dimension.

[0058] 1222. Determine the crude oil sample or the crude oil to be identified associated with each column vector in the dimensionality reduction matrix, and use the vector value of each column vector as the coordinate information of the corresponding crude oil sample and the coordinate information of the crude oil to be identified.

[0059] 1223. Display each of the crude oil samples and the crude oil to be identified in a coordinate system based on the coordinate information.

[0060] Furthermore, step 123 specifically includes:

[0061] 1231. Obtain coordinate information of each of the crude oil samples and the crude oil to be identified, and calculate the coordinate distance between each of the crude oil samples and the crude oil to be identified based on the coordinate information.

[0062] 1232. Generate a display image corresponding to each of the crude oil samples according to the coordinate distance, and display each of the display images according to the coordinate information.

[0063] 1233. Determine similar crude oil samples based on the display results of the display image, and obtain the origin information of the crude oil to be identified based on the origin information of the similar crude oil samples.

[0064] A method for determining the origin of crude oil based on multi-scale analysis proposed based on the above-mentioned embodiment includes obtaining infrared absorption spectrum data of the crude oil to be identified, and obtaining infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and the infrared fingerprint database of crude oil; using the multi-scale analysis method, calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the infrared fingerprint database of crude oil; according to the projection distance, obtaining the origin information of the crude oil to be identified, wherein the infrared fingerprint database of crude oil is a database established based on the infrared absorption spectrum data of multiple crude oil samples. The present invention uses the infrared fingerprint method of crude oil to identify the source of crude oil, which has the advantages of high efficiency, wide application range, and high accuracy, etc., which makes up for the technical gap in my country's difficulty in identifying the source of crude oil during crude oil supervision, and has practical value.

[0065] like Figure 3 As shown in the schematic diagram of MDS analysis of the crude oil sample to be identified and the data in the crude oil infrared fingerprint database according to the embodiment of the present invention, three crude oil samples were selected as blind samples as shown in Table 1 below. According to the crude oil infrared fingerprint database established in this study and the proposed measurement method, the blind samples were qualitatively judged to verify the applicability of the crude oil infrared fingerprint database and the measurement method.

[0066] The MDS analysis results show that Dar, Bayu_undan, Sakhalin Vityaz, May and Rang Dong are very different from other crude oils, while other types of crude oil are relatively concentrated. Among these five types of crude oil, except for Dar crude oil, which has a large difference in geological origin from other crude oils, Bayu_undan (produced in Oceania), Sakhalin Vityaz (produced in Sakhalin Island, Asia), May and Rang Dong (produced in Southeast Asia) are relatively independent in their origins compared with other crude oils.

[0067] Sample identification Actual species Unknown1 Arabian Heavy Unknow2 Merey Unknow3 Upper Zakum

[0068] Table 1

[0069] like Figure 2 As shown in the module structure diagram of a crude oil origin tracing device according to an embodiment of the present invention, a crude oil origin determination device based on multi-scale analysis includes:

[0070] An acquisition module, used to acquire infrared absorption spectrum data of the crude oil to be identified, and obtain infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database;

[0071] An analysis module, used to calculate the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database by using a multi-scale analysis method;

[0072] The determination module is used to obtain the origin information of the crude oil to be identified according to the projection distance, wherein the crude oil infrared fingerprint database is a database established according to the infrared absorption spectrum data of multiple crude oil samples.

[0073] The present invention also provides a device, comprising: one or more processors; a memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the crude oil origin determination method based on multi-scale analysis as described in any of the above technical solutions.

[0074] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0075] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0076] In the embodiments provided by the present invention, it should be understood that the disclosed devices / terminal equipment and methods can be implemented in other ways. For example, the device / terminal equipment embodiments described above are only schematic. For example, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0077] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0078] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0079] If the integrated module / unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.

[0080] Based on such understanding, the present invention implements all or part of the processes in the above-mentioned embodiment method, and can also be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium. When the computer program is executed by the processor, the steps of each of the above-mentioned method embodiments can be implemented. Among them, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, U disk, mobile hard disk, disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium. It should be noted that the content contained in the computer-readable medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media do not include electric carrier signals and telecommunication signals.

[0081] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

[0082] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A method for determining the origin of crude oil based on multi-scale analysis, characterized in that: The method comprises: acquiring infrared absorption spectrum data of the crude oil to be identified, and obtaining infrared fingerprint data of the crude oil to be identified according to the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database; Using a multi-scale analysis method, calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database; According to the projection distance, the origin information of the crude oil to be identified is obtained, wherein the crude oil infrared fingerprint database is a database established according to infrared absorption spectrum data of multiple crude oil samples; The method of calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database by using the multi-scale analysis method specifically includes: Performing similarity processing on the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database and the infrared fingerprint data of the crude oil to be identified to obtain a fingerprint similarity matrix; Using a multi-scale analysis method MDS, the fingerprint similarity matrix is ​​projected to project the infrared fingerprint data into a two-dimensional plane coordinate system or a three-dimensional coordinate system, wherein each projection point represents infrared fingerprint data of a crude oil; Calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database according to the two-dimensional plane coordinate system or the three-dimensional coordinate system; The step of obtaining the infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and the crude oil infrared fingerprint database specifically includes: Determining the characteristic absorption peak wave number used by the crude oil infrared fingerprint database according to the fingerprint feature used by the crude oil infrared fingerprint database; Determining a fingerprint characteristic value of the crude oil to be identified according to the characteristic absorption peak wave number and the infrared absorption spectrum data of the crude oil to be identified; The infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database and the infrared fingerprint data of the crude oil to be identified are processed for similarity to obtain a fingerprint similarity matrix, which specifically includes: For each of the crude oil samples, based on the corresponding infrared fingerprint data and a given similarity calculation formula, determine the similarity value between the crude oil sample and other crude oil samples and the crude oil to be identified; Arranging the similarity values ​​in a set order, obtaining similarity vectors corresponding to the crude oil sample and the crude oil to be identified, and merging the similarity vectors to form the fingerprint similarity matrix; The method of using the multi-scale analysis method MDS to project the fingerprint similarity matrix and project the infrared fingerprint data into a two-dimensional plane coordinate system or a three-dimensional coordinate system specifically includes: Dimensionality reduction processing is performed on the fingerprint similarity matrix to obtain a dimension reduction matrix of a preset dimension; Determine the crude oil sample or the crude oil to be identified associated with each column vector in the dimension reduction matrix, and use the vector value of each column vector as the coordinate information of the corresponding crude oil sample and the coordinate information of the crude oil to be identified; Displaying each of the crude oil samples and the crude oil to be identified in a coordinate system based on each of the coordinate information; The step of calculating the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each crude oil sample in the crude oil infrared fingerprint database according to the two-dimensional plane coordinate system or the three-dimensional coordinate system, and obtaining the origin information of the crude oil to be identified according to the projection distance specifically includes: Acquiring coordinate information of each of the crude oil samples and the crude oil to be identified, and calculating the coordinate distance between each of the crude oil samples and the crude oil to be identified according to the coordinate information; generating a display image corresponding to each of the crude oil samples according to the coordinate distance, and displaying each of the display images according to the coordinate information; Similar crude oil samples are determined according to the display results of the display images, and the origin information of the crude oil to be identified is obtained according to the origin information of the similar crude oil samples.

2. A crude oil origin determination device based on multi-scale analysis, applied to the determination method according to claim 1, characterized in that: include: An acquisition module, used to acquire infrared absorption spectrum data of the crude oil to be identified, and obtain infrared fingerprint data of the crude oil to be identified based on the infrared absorption spectrum data of the crude oil to be identified and a crude oil infrared fingerprint database; An analysis module, used to calculate the projection distance between the infrared fingerprint data of the crude oil to be identified and the infrared fingerprint data of each sample in the crude oil infrared fingerprint database by using a multi-scale analysis method; The determination module is used to obtain the origin information of the crude oil to be identified according to the projection distance, wherein the crude oil infrared fingerprint database is a database established according to the infrared absorption spectrum data of multiple crude oil samples.

3. A computer device, characterized in that: The device includes: one or more processors; a memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the crude oil origin determination method based on multi-scale analysis as described in claim 1.

4. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the method for determining the origin of crude oil based on multi-scale analysis as described in claim 1 is implemented.

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