WO2003095821A1 - Systeme et procede permettant de mesurer la baisse de consommation de carburant d'un vehicule - Google Patents
Systeme et procede permettant de mesurer la baisse de consommation de carburant d'un vehicule Download PDFInfo
- Publication number
- WO2003095821A1 WO2003095821A1 PCT/JP2003/005364 JP0305364W WO03095821A1 WO 2003095821 A1 WO2003095821 A1 WO 2003095821A1 JP 0305364 W JP0305364 W JP 0305364W WO 03095821 A1 WO03095821 A1 WO 03095821A1
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- WIPO (PCT)
- Prior art keywords
- evaluation
- driving
- fuel
- unit
- vehicle data
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0236—Circuits relating to the driving or the functioning of the vehicle for economical driving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0625—Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/84—Data processing systems or methods, management, administration
Definitions
- the present invention relates to a fuel-saving driving evaluation apparatus and method for evaluating whether a vehicle has been driven with good or low fuel efficiency in driving a vehicle.
- BACKGROUND ART The same vehicle has different fuel consumption depending on how it is driven. In other words, the expenses vary depending on how you drive.
- their fuel efficiency is reflected in transportation costs, so it is necessary to drive fuel-efficiently to reduce transportation costs.
- large commercial vehicles, such as large trucks consume a large amount of fuel and drive a long distance in many cases.Therefore, depending on the driving method, the amount of savings is large, and the cost of transportation is greatly reduced. Will contribute.
- a company that operates many large trucks every day whether each driver will drive with good fuel efficiency or drive with poor fuel efficiency will have a significant impact on transportation costs. It is a problem that affects.
- FIG. 6 is a diagram showing an example of a conventional fuel-efficient driving evaluation device.
- 1 is a vehicle
- 2 is a vehicle management center
- 3 is a vehicle data detection unit
- 4 is a recording unit
- 5 is an evaluation unit
- 6 is a general unit
- 10 is a memory card.
- the vehicle data detection unit 3 uses the data related to the evaluation of fuel-saving driving for each item (eg, vehicle speed, average engine speed at shift-up, idle time, (E.g., xel operation) is detected and recorded in the recording unit 4. This recording is performed, for example, on the memory card 10 inserted into the recording vehicle-mounted device.
- data related to the evaluation of fuel-saving driving for each item eg, vehicle speed, average engine speed at shift-up, idle time, (E.g., xel operation
- This recording is performed, for example, on the memory card 10 inserted into the recording vehicle-mounted device.
- the memory card # 0 When driving is completed, the memory card # 0 is pulled out, and the vehicle data recorded there is input to the evaluation unit 5 of the vehicle management center 2.
- the evaluation unit 5 is provided with evaluation criteria (thresholds, etc.) and processing procedures for each vehicle data in advance, and the evaluation is performed for each vehicle data according to them, and an evaluation point is assigned.
- Each evaluation score is sent to the synthesis unit 6, where the total score is calculated.
- the calculation method a method of summing up each evaluation point, a method of averaging each evaluation point, or an appropriate method is adopted.
- the input of the vehicle data to the evaluation unit 5 is performed directly from the vehicle 1 to the communication line without passing through the memory card # 0.
- the order in which different driving situations such as high-speed driving, general road driving, and idle driving appear will depend on the driving route, weather, day of the week, etc., and will also depend on the traffic congestion during driving. It changes every time you drive. Therefore, it is not possible to change the evaluation criteria or processing procedure every time you go on a run.
- the purpose of the present invention is based on the evaluation points given for each vehicle data (eg, vehicle speed, engine speed at shift-up, idle time, etc.) specified as fuel-saving driving evaluation items.
- the total point is calculated by taking into account the driving conditions (eg, high-speed driving, general road driving, idle driving), so that the evaluation of fuel-efficient driving is more appropriate.
- the correction factor calculation data (eg, fuel consumption, running time, and mileage) for calculating the correction factor are recorded for each driving situation.
- the evaluation points are corrected by correction factors (eg, fuel consumption rate, driving time rate, and mileage rate by driving condition). To correct.
- correction factors eg, fuel consumption rate, driving time rate, and mileage rate by driving condition.
- a vehicle data detecting unit for detecting data of a fuel-saving driving evaluation item, a recording unit for recording the vehicle data, and a recorded vehicle data are omitted.
- An evaluation unit that evaluates and evaluates from the viewpoint of fuel-efficient driving;
- a fuel-saving driving evaluation device comprising a total unit for obtaining a total score, wherein the recording unit, the evaluation unit, and the general unit correspond to first to N-th predetermined driving situations.
- An N-recording section, an evaluation section, and a general section, and a correction coefficient providing section that obtains a fuel consumption ratio from the fuel consumption for each of the first to N-th driving situations and provides it as a correction coefficient;
- Each of the total points obtained by the first to N-th integrated parts is corrected by the correction coefficient, and a corrected integrated part for obtaining a final total point is provided.
- the recording unit and the evaluation unit include first to N-th recording units and evaluation units corresponding to predetermined first to N-th driving situations, respectively. And a correction coefficient providing unit for calculating a fuel consumption ratio from the twisting amount consumption for each of the first to N-th driving situations and providing the same as a correction coefficient;
- a correction unit configured to include first to Nth correction units corresponding to the Nth driving situation, wherein the correction unit corrects an evaluation point of the evaluation unit with the correction coefficient; and the first to Nth correction units. It is also possible to have a comprehensive department that calculates the total score by integrating the obtained evaluation points ⁇ ⁇ o
- a time keeping unit for keeping time for each of the first to the second driving conditions is provided, the time is recorded in the recording unit, and the fuel consumption ratio is obtained by the correction coefficient providing unit. At this time, it can be obtained based on the time for each of the first to ⁇ ⁇ driving situations.
- the data of the fuel-saving driving evaluation item is detected and recorded, and an evaluation score is assigned to each of the vehicle data from the viewpoint of fuel-saving driving.
- the fuel-saving driving evaluation method for evaluating the degree of driving it is determined which of the first to second driving conditions the driving condition belongs to, and the detected vehicle data and the fuel consumption are compared with the first to fourth driving conditions.
- the evaluation points of the vehicle data recorded for each of the first to fifth driving situations are corrected based on the fuel consumption ratios for the first to second driving situations.
- FIG. 1 is a flowchart for explaining the operation of the first embodiment of the present invention.
- FIG. 2 is a diagram showing an apparatus according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing an apparatus according to a second embodiment of the present invention.
- FIG. 4 is a flowchart for explaining the operation of the third embodiment of the present invention.
- FIG. 5 is a diagram showing an apparatus according to a third embodiment of the present invention.
- FIG. 6 is a diagram showing an example of a conventional fuel-efficient driving evaluation device.
- FIG. 7 is a diagram showing an example of vehicle data, evaluation points and weights in each driving situation.
- FIG. 2 is a diagram showing an apparatus according to the first embodiment of the present invention.
- the reference numerals correspond to those in FIG. 6, where 41 is the first recording section, 42 is the second recording section, 4N is the Nth recording section, 51 is the first evaluation section, 52 is the second evaluation section, 5N is the Nth evaluation section, 61 is the first general section, 62 is the second general section, 6N is the Nth general section, R is the correction general section, and 11 is the correction coefficient providing section. 6 are the same as those in FIG. 6, and the description thereof is omitted.
- the vehicle data detection unit 3 of this embodiment also detects fuel consumption. The detection may be direct detection by a fuel gauge or detection based on other vehicle data.o Input of vehicle data from vehicle 1 to vehicle management center 2 may be performed by a communication line. Alternatively, a recording medium such as a memory card may be used.
- the driving conditions are classified into several driving conditions (first to Nth) in which the fuel efficiency can be more appropriately evaluated. Calculate the total score taking into account the vehicle data detected in the driving situation Confuse. Examples of the classification of driving conditions include “high-speed driving” and “general road driving”.
- the recording unit 4 includes a first recording unit 41 to an N-th recording unit 4N.
- the first recording unit 41 records vehicle data detected in a first traveling condition (eg, high-speed traveling).
- the Nth recording unit 4N is a part for recording vehicle data detected in the Nth driving situation (eg, idle driving).
- the evaluation unit 5 is composed of a first evaluation unit 51 to an Nth evaluation unit 5N, but the first evaluation unit 51 is a unit that evaluates vehicle data in the second driving situation.
- the N evaluation unit 5N is a unit that evaluates the vehicle data in the Nth running situation.
- Comprehensive section 6 is composed of 1st comprehensive section 6 1 to Nth comprehensive section 6 N, but 1st comprehensive section 61 is a section for integrating the evaluation points in the first driving situation.
- N Comprehensive Section 6 N is a section that integrates the evaluation points in the Nth driving situation.
- the correction coefficient providing unit 11 calculates the ratio of the fuel consumption in each traveling condition to the entire traveling based on the fuel consumption (G, to G N ) in each traveling condition recorded in the recording unit 4, It is provided to the correction generalization section as a correction coefficient.
- the correction general section corrects the total point in each driving situation to the correction coefficient provided by the correction coefficient providing section 11 first, and then sums them to obtain a final total point.
- first driving condition For example, three types of driving conditions are classified into first driving condition to third driving condition (eg, high-speed driving, general road driving, idle driving), and the ratio of fuel consumption in each driving condition. Is as follows.
- High-speed driving 60%
- a, 0. a 6
- a z 0. 3
- a 3 0. 1 or the like.
- the A the correction factor to provide the correction factor providing unit 1 1 Yo Li, and Alpha 2, A 3, corrected by multiplying them in respective total score, comprehensively those corrected. Therefore, the final overall score is as follows.
- the degree of influencing fuel consumption differs depending on the type of vehicle data (eg, idling time), and the degree may be considered by weighting. Specifically, a weight is determined in advance for each type of vehicle data for each driving situation, and the weight is multiplied by an evaluation point for each vehicle data and then summed.
- FIG. 8 is a diagram showing examples of fuel-saving driving evaluation items and evaluation points and weights in each driving situation.
- D, E, and F are evaluations ⁇
- K is a weight.
- the value of the weight can be determined in advance according to experimental data, etc., but it is determined to be 1 if the weights for each driving situation are added up. In other words, it is as follows.
- each total score beta in the case of ZuRyo, beta 2, beta 3 is ing as follows ⁇
- ⁇ , D, ⁇ ⁇ , + D 2 ⁇ ⁇ 2
- ⁇ 2 ,, KR, + ⁇ 2 K R2 + ⁇ 3 KR 3 + ⁇ 4 R4 + ⁇ 5 KR 5 + ⁇ 6 K R 6 B 3 ⁇ F 1 KI 1
- FIG. 1 is a flowchart for explaining the operation of the first embodiment of the present invention.
- Step... The running situation is determined. There are various ways to determine this. For example, if the vehicle speed is higher than a predetermined speed (eg, over O KmZh) for more than a predetermined time (eg, 5 minutes or more), the conditions are defined in advance for each driving condition, such as high-speed driving conditions. The determination may be made based on whether or not a condition is satisfied. Also, the determination may be made by receiving a signal such as ETC (ElectronicTolicon), position information from the outside of the vehicle such as force information, or the like by an in-vehicle device. Alternatively, a switch device for generating each traveling state determination signal may be provided, and the driver himself / herself may determine the traveling state and press the corresponding switch (generate a determination signal).
- ETC ElectronicTolicon
- Step 2 Select fuel-saving operation evaluation items in advance (eg, vehicle speed, engine speed at shift-up, idle time, accelerator operation, etc.) and detect those data. At the same time, the fuel consumption is detected (directly, or calculated from other vehicle data).
- advance eg, vehicle speed, engine speed at shift-up, idle time, accelerator operation, etc.
- Step 3 The detected value of the data of the fuel-saving driving evaluation item is recorded in the recording unit 4, but is recorded in the recording unit corresponding to the driving situation determined in Step 1. For example, if the driving condition determined in step 1 is the first driving condition, the value detected in step 2 is recorded in the first recording unit 41, which is a recording unit corresponding to the first driving condition. .
- Step 4 Check whether a signal to evaluate fuel-efficient driving has arrived. If not, return to step 1.
- the method of generating the command signal can be determined according to the time when the fuel efficiency is to be evaluated. For example, if you want to evaluate fuel consumption every time the vehicle stops, you can use the key switch off signal as a command signal, and you want to evaluate fuel consumption regularly (for example, on weekends or at the end of the month). In such a case, a command signal may be issued based on the clock information.
- Step 5 Evaluation section 5 of the vehicle management center 2 evaluates fuel-efficient driving for each driving situation Scores for the data of the items for use. For example, the data in the first driving situation is evaluated and scored by the first evaluation unit 51.
- Step 6 Input the evaluation score given by each evaluation section to the corresponding general section, and calculate the total score by an appropriate synthesis method.
- the evaluation score given by the first evaluation unit 51 is input to the corresponding first general unit 61, which is the corresponding general unit, and the total score is calculated here.
- a method of summation there is a method of simply summing, or a method of determining the contribution to fuel consumption as shown in Fig.
- Step 8 After multiplying each fuel consumption rate by the corresponding total score of each driving situation, determine the final total score by further integrating them.
- FIG. 3 is a diagram showing an apparatus according to a second embodiment of the present invention.
- the reference numerals correspond to those in FIGS. 2 and 6, reference numeral 81 denotes a first correction unit, reference numeral 82 denotes a second correction unit, and reference numeral 8N denotes an N-th correction unit.
- the difference from the first embodiment is that the evaluation points for each driving situation are corrected and then integrated.
- the evaluation points are integrated for each driving situation.
- the correction and the order of the total were reversed.
- the correction unit 8 was provided first after the evaluation unit 5, and then the general unit 6 was provided. Then, in the correction unit 8, a first correction unit 81 to an Nth correction unit 8N are provided corresponding to the first evaluation unit 51 to the Nth evaluation unit 5N of the evaluation unit 5.
- the correction coefficient used in the correction unit 8 is provided by the correction coefficient providing unit 11.
- FIG. 5 is a diagram showing an apparatus according to a third embodiment of the present invention.
- the sign is that of Fig. 3.
- 9 is a timing section.
- the fuel consumption rate for each driving condition is obtained by measuring the time of each driving condition, not by detecting the fuel consumption. It is like that.
- the timer section 9 is for measuring the time of each traveling situation, and the measured time of each traveling situation is separately recorded in the recording section 4 ( ⁇ , T N ).
- the time of the first driving situation is recorded in a first recording unit 41 which is a recording unit corresponding to the first traveling situation.
- the three types of driving conditions are divided into the first to third driving conditions (eg, high-speed driving, 'general road driving, idle driving). Suppose that it was as follows.
- This fuel consumption rate is used as a correction coefficient provided by the correction coefficient providing unit 11.
- the first correction unit 81 multiplies the evaluation points by ⁇ , C, and the second correction unit 82
- the correction is made by multiplying the valence point by T 2 C 2 .
- FIG. 4 is a flowchart illustrating the operation of the third exemplary embodiment of the present invention. Step 1: Determine the driving situation.
- Step 2 Detect fuel-efficient driving evaluation data and measure the duration of this driving situation (the driving situation certified in step 1).
- Step 3 Detected values and measurement times are recorded in the recording unit 4 separately for each traveling condition (T, ⁇ D.
- Step 4 Check whether the signal to evaluate the fuel economy luck 15 has arrived. If not, return to step 1.
- Step 5 In the case of evaluation, the evaluation section 5 of the vehicle management center 2 evaluates the recorded data for the fuel-saving / turn-over evaluation item for each driving situation and gives a score.
- Step 6 The correction coefficient providing unit 11 obtains the fuel consumption ratio based on the time for each driving situation, and uses this as a correction coefficient.
- Step 8 Comprehensive evaluation points obtained by the correction are integrated in the synthesis section 6 to determine the total score.
- the one shown in Fig. 3 with a timekeeping unit is shown, but the one in Fig. 2 is also provided with a timekeeping unit, and the fuel consumption ratio can be obtained by measuring the time. You can also.
- the fuel consumption ratio is obtained and corrected as a correction coefficient, and the accuracy of fuel evaluation is high.
- a device eg, fuel gauge
- the required time ratio of each driving situation is obtained, and this is used as a correction coefficient. It is to be corrected.
- the fourth embodiment is provided with a timing unit 9 as shown in FIG. 5 in FIG. 2, the correction coefficient G several provider 1 1 above, in which so as to provide a G 2, G 3 as a correction coefficient (correction coefficient in the first embodiment a, provided in place of the a 2, a 3).
- a timing unit 9 as shown in FIG. 5 in FIG. 2, the correction coefficient G several provider 1 1 above, in which so as to provide a G 2, G 3 as a correction coefficient (correction coefficient in the first embodiment a, provided in place of the a 2, a 3).
- the correction based on the ratio of the required time is performed. Therefore, the correction based on the required time ratio of the idle operation is corrected to be relatively large as compared with the case of traveling on a general road or traveling at high speed.
- the evaluation accuracy is reduced.
- the fifth embodiment is also one of the embodiments devised so that the accuracy is reduced but the cost is reduced, and the ratio of the traveling distance in each traveling condition is obtained, and the ratio is corrected as a correction coefficient. is there.
- Travel distance in each driving situation is as follows L, and assumed to be 3 ⁇ , the ratio of the travel distance in each driving situation, each following H,, is as Eta 2, H 3. Mileage in the first driving situation-L,
- FIG. 1 A similar application can be applied to FIG. This is a modification of the fifth embodiment.
- the third driving situation is an idle driving situation
- the correction accuracy using H,, ⁇ 2 , and H 3 improves the evaluation accuracy.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003235824A AU2003235824B2 (en) | 2002-05-10 | 2003-04-25 | System and method for evaluating fuel saving operation |
US10/513,411 US7274987B2 (en) | 2002-05-10 | 2003-04-25 | Fuel and method for evaluating fuel saving operation |
EP03723210A EP1515034B1 (en) | 2002-05-10 | 2003-04-25 | Fuel efficient driving evaluator and method of evaluating fuel efficient driving |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-134859 | 2002-05-10 | ||
JP2002134859A JP3915592B2 (ja) | 2002-05-10 | 2002-05-10 | 省燃費運転評価装置および方法 |
Publications (1)
Publication Number | Publication Date |
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WO2003095821A1 true WO2003095821A1 (fr) | 2003-11-20 |
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ID=29416726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/005364 WO2003095821A1 (fr) | 2002-05-10 | 2003-04-25 | Systeme et procede permettant de mesurer la baisse de consommation de carburant d'un vehicule |
Country Status (5)
Country | Link |
---|---|
US (1) | US7274987B2 (ja) |
EP (1) | EP1515034B1 (ja) |
JP (1) | JP3915592B2 (ja) |
CN (1) | CN100362224C (ja) |
WO (1) | WO2003095821A1 (ja) |
Cited By (1)
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EP3438622A4 (en) * | 2018-06-25 | 2019-11-20 | Komatsu Ltd. | SYSTEM AND METHOD FOR MEASURING THE FUEL CONSUMPTION OF A WORKING VEHICLE |
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Also Published As
Publication number | Publication date |
---|---|
JP3915592B2 (ja) | 2007-05-16 |
EP1515034A4 (en) | 2009-05-06 |
AU2003235824A1 (en) | 2003-11-11 |
CN1653255A (zh) | 2005-08-10 |
EP1515034A1 (en) | 2005-03-16 |
JP2003328845A (ja) | 2003-11-19 |
EP1515034B1 (en) | 2012-07-25 |
CN100362224C (zh) | 2008-01-16 |
US20050209771A1 (en) | 2005-09-22 |
US7274987B2 (en) | 2007-09-25 |
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