CN114742539A - Method and device for determining vehicle maintenance time, storage medium and electronic equipment - Google Patents
Method and device for determining vehicle maintenance time, storage medium and electronic equipment Download PDFInfo
- Publication number
- CN114742539A CN114742539A CN202210465984.5A CN202210465984A CN114742539A CN 114742539 A CN114742539 A CN 114742539A CN 202210465984 A CN202210465984 A CN 202210465984A CN 114742539 A CN114742539 A CN 114742539A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- maintenance
- maintenance time
- data
- time
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/109—Time management, e.g. calendars, reminders, meetings or time accounting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Human Resources & Organizations (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Theoretical Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Strategic Management (AREA)
- Operations Research (AREA)
- Marketing (AREA)
- Mathematical Analysis (AREA)
- General Business, Economics & Management (AREA)
- Quality & Reliability (AREA)
- Economics (AREA)
- Mathematical Physics (AREA)
- Tourism & Hospitality (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Evolutionary Biology (AREA)
- Probability & Statistics with Applications (AREA)
- Bioinformatics & Computational Biology (AREA)
- Algebra (AREA)
- Life Sciences & Earth Sciences (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention provides a method and a device for determining vehicle maintenance time, a storage medium and electronic equipment, wherein the determining method comprises the following steps: acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle; determining a first maintenance time of the vehicle according to the driving mileage data; determining a second maintenance time of the vehicle according to the historical maintenance data; and determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time. According to the technical scheme, the accuracy of the next maintenance time of the vehicle is ensured, so that a customer can maintain the vehicle in time, and the safety performance of the vehicle is improved. In addition, the 4S shop can accurately remind the customer according to the predicted next maintenance time of the vehicle, so that the customer is prevented from being harassed by calls, the 4S shop can attract the customer to perform vehicle maintenance at the most appropriate time, the success rate of attracting the customer by the 4S shop is improved, and the experience effect of the customer is improved.
Description
Technical Field
The invention relates to the technical field of vehicle maintenance, in particular to a method and a device for determining vehicle maintenance time, a storage medium and electronic equipment.
Background
In the prior art, the measurement and calculation of the next maintenance time of the vehicle are generally determined based on the maintenance history of the vehicle, and the following problems exist when the measurement and calculation are carried out in such a way: if the vehicle is not maintained in the 4S store, a large deviation occurs during measurement, so that a customer cannot maintain the vehicle in time, and the safety performance of the vehicle is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the present invention is directed to a method for determining a maintenance time of a vehicle.
A second aspect of the present invention is to provide a vehicle maintenance time determination apparatus.
A third aspect of the invention is directed to a readable storage medium.
A fourth aspect of the invention is directed to an electronic device.
In view of the above, according to one aspect of the present invention, there is provided a method for determining a vehicle maintenance time, the method including: acquiring mileage data of a vehicle and historical maintenance data of the vehicle; determining a first maintenance time of the vehicle according to the driving mileage data; determining a second maintenance time of the vehicle according to the historical maintenance data; and determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
In order to more clearly describe the method for determining a vehicle maintenance time provided by the present invention, the following technical solution is exemplarily described with an implementation subject of the method for determining a vehicle maintenance time as a device for determining a vehicle maintenance time.
In this technical solution, the determination device first acquires mileage data of the vehicle and historical maintenance data of the vehicle. Specifically, the determination device may obtain the mileage data by reading an odometer of the vehicle or by reading the computer data of the vehicle, and the determination device may obtain the historical maintenance data by reading the server data of the 4S store or by reading the computer data of the vehicle.
Further, the determination device calculates the first maintenance time of the vehicle according to the mileage data. Specifically, the traveled mileage data includes current mileage data and historical mileage data of the vehicle, the determining device is capable of calculating an average mileage increased by each preset time period of the vehicle by means of weighted calculation according to the historical mileage data, estimating a time required for the mileage of the vehicle to reach a maintenance-required mileage according to the average mileage and the current mileage data of the vehicle, and determining the first maintenance time according to the time.
Further, the determination device calculates a second maintenance time of the vehicle based on the historical maintenance data. Specifically, the last time of maintenance of the vehicle can be determined according to historical maintenance data of the vehicle, different components of the vehicle have fixed maintenance periods, and the second maintenance time can be estimated according to the last time of maintenance of the vehicle and the maintenance periods.
Further, the determining means calculates a next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time. Specifically, there may be a case where the vehicle is not maintained in the 4S store but is already maintained by another method, and in this case, there may be a large deviation in predicting the maintenance time of the vehicle based only on the historical maintenance data of the vehicle or the mileage data of the vehicle. Therefore, the determining means needs to determine the time for the next maintenance of the vehicle by integrating the first maintenance time determined from the vehicle mileage data and the second maintenance time determined from the historical maintenance data of the vehicle.
In this embodiment, the determining device first calculates a first maintenance time of the vehicle based on the mileage data of the vehicle, calculates a second maintenance time of the vehicle based on the historical maintenance data of the vehicle, and then determines a final predicted value of a next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time. In the technical scheme of the invention, the determining device determines the next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time, so that the accuracy of the determined next maintenance time of the vehicle is ensured, a customer can maintain the vehicle in time, and the safety performance of the vehicle is improved. In addition, the 4S shop can accurately remind the customer according to the predicted next maintenance time of the vehicle, so that the customer is prevented from being harassed by calls, the 4S shop can attract the customer to perform vehicle maintenance at the most appropriate time, the success rate of attracting the customer by the 4S shop is improved, and the experience effect of the customer is improved.
In the above technical solution, the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle, and the step of determining the first maintenance time of the vehicle according to the mileage data specifically includes: determining the maintenance interval mileage of the vehicle according to the current mileage data; determining implementation data of the vehicle according to historical mileage data; determining a first maintenance time according to the maintenance interval mileage and the implementation data; wherein the performance data is indicative of an average mileage of the vehicle increased per a preset time period during the historical driving.
In the technical scheme, the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle.
Specifically, the process of calculating the first maintenance time of the vehicle according to the mileage data by the determining means is: the determination device first calculates the mileage of the vehicle from the maintenance-required mileage (i.e., the maintenance interval mileage described above) based on the current mileage data. Specifically, the maintenance interval mileage is equal to a difference between the fixed maintenance mileage and the current mileage data.
Further, the determination means calculates, from the historical mileage data, performance data of the vehicle, specifically, the performance data indicating average mileage data that increases every preset time period during the historical driving of the vehicle.
Specifically, the determination means calculates, by means of a weighted calculation, an average mileage of the vehicle (i.e., performance data of the vehicle) that increases per a preset time period, in combination with historical mileage data of the vehicle. Specifically, the implementation data is calculated according to the historical mileage data of the vehicle through a weighting algorithm, so that the reference value of the determined implementation data is improved, and the accuracy of the first maintenance time determined according to the implementation data in the subsequent steps is improved.
Further, the determining means calculates the first maintenance time based on the maintenance interval mileage and the performance data. Specifically, the first maintenance time is equal to a ratio of the maintenance interval mileage to the performance data.
In this embodiment, the first maintenance time is obtained by the determination device by performing a comprehensive calculation of the maintenance interval mileage of the vehicle and the execution data of the vehicle calculated by the weighting algorithm. Therefore, the driving habits of the customers are considered, the accuracy of the first maintenance time determined in the subsequent steps is improved, and the accuracy of the predicted next maintenance time of the vehicle is further improved.
In the above technical solution, the step of determining the second maintenance time of the vehicle according to the historical maintenance data specifically includes: determining the last maintenance time of the vehicle according to historical maintenance data; and determining a second maintenance time according to the last maintenance time of the vehicle and the preset vehicle maintenance period.
In this aspect, the process of calculating the second maintenance time by the determination device based on the historical maintenance data of the vehicle is: the determining device determines the last maintenance time of the vehicle according to the historical maintenance data.
Further, the determining device calculates the second maintenance time according to the determined last vehicle maintenance time and a preset vehicle maintenance period. Specifically, the second maintenance time is equal to a difference between a time indicated by the preset vehicle maintenance period and a time of last maintenance of the vehicle.
In the technical scheme, the determining device can calculate the second maintenance time according to the historical maintenance data of the vehicle, so that the next more accurate maintenance time of the vehicle can be predicted by combining the second maintenance time in the subsequent step, a customer can timely maintain the vehicle according to the time, and the safety performance of the vehicle is improved.
In the above technical solution, the step of determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time specifically includes; acquiring a first weight and a second weight, wherein the first weight is used for indicating the weight of a first maintenance time, and the second weight is used for indicating the weight of a second maintenance time; and determining the next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time and the second maintenance time by adopting a weighting algorithm.
In the technical scheme, the first weight is used for indicating the weight occupied by the first maintenance time when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time; the second weight is used for indicating that the second maintenance time occupies the weight when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time.
Specifically, the process of determining the next maintenance time of the vehicle by the determining means based on the first maintenance time and the second maintenance time is: the determining means first acquires a first weight and a second weight. Specifically, the first weight and the second weight are set in advance according to the brand of the vehicle, the type of the vehicle, and the usage habit of the vehicle by the customer.
Further, the determining device calculates a final next maintenance time of the vehicle using a weighted algorithm based on the first weight, the second weight, the first maintenance time, and the second maintenance time. Specifically, the next maintenance time of the vehicle is equal to the sum of the product of the first weight and the first maintenance time and the product of the second weight and the second maintenance time.
In the technical scheme, the next maintenance time of the vehicle is calculated by the determining device according to the acquired first weight and second weight by adopting a weighting algorithm and combining the first maintenance time and the second maintenance time. Like this, guaranteed the accuracy of the next maintenance time of the vehicle of determining for the customer can be according to this time in time to the vehicle maintenance, improved the security performance of vehicle.
According to a second aspect of the present invention, there is provided a vehicle maintenance time determination device including: the acquisition module is used for acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle; the first processing module is used for determining first maintenance time of the vehicle according to the mileage data; the second processing module is used for determining a second maintenance time of the vehicle according to the historical maintenance data; and the third processing module determines the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
According to the technical scheme, the driving mileage data of the vehicle and the historical maintenance data of the vehicle are obtained through the obtaining module. Specifically, the obtaining module may obtain the mileage data by reading an odometer of the vehicle or by reading driving computer data of the vehicle through the information acquisition device, and the obtaining module may obtain the historical maintenance data by reading server data of the 4S store or by reading driving computer data of the vehicle.
Further, the first processing module calculates the first maintenance time of the vehicle according to the mileage data. Specifically, the traveled mileage data includes current mileage data and historical mileage data of the vehicle, the determining device may calculate an average mileage that is increased by every preset time period of the vehicle by means of weighted calculation according to the historical mileage data, may estimate a time required for the mileage of the vehicle to reach a mileage that needs maintenance according to the average mileage and the current mileage data of the vehicle, and may determine the first maintenance time according to the time.
Further, the second processing module calculates a second maintenance time of the vehicle according to the historical maintenance data. Specifically, the last time of maintenance of the vehicle can be determined according to historical maintenance data of the vehicle, different components of the vehicle have fixed maintenance periods, and the second maintenance time can be estimated according to the last time of maintenance of the vehicle and the maintenance periods.
Further, the third processing module integrates the first maintenance time and the second maintenance time to calculate the next maintenance time of the vehicle. Specifically, there may be a case where the vehicle is not maintained in the 4S store but is already maintained by another method, and in this case, there may be a large deviation in predicting the maintenance time of the vehicle based only on the historical maintenance data or the mileage data of the vehicle. Therefore, the determining means needs to determine the time for the next maintenance of the vehicle by integrating the first maintenance time determined from the vehicle mileage data and the second maintenance time determined from the historical maintenance data of the vehicle.
In the technical scheme, the first processing module can calculate first maintenance time of the vehicle according to the mileage data of the vehicle acquired by the acquisition module, the second processing module can calculate second maintenance time of the vehicle according to historical maintenance data of the vehicle acquired by the acquisition module, and the third processing module can determine a final predicted value of next maintenance time of the vehicle according to the first maintenance time and the second maintenance time. In the technical scheme of the invention, the third processing module is used for determining the next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time, so that the accuracy of the determined next maintenance time of the vehicle is ensured, a customer can maintain the vehicle in time, and the safety performance of the vehicle is improved. In addition, the 4S shop can accurately remind the customer according to the predicted next maintenance time of the vehicle, so that the customer is prevented from being harassed by calls, the 4S shop can attract the customer to perform vehicle maintenance at the most appropriate time, the success rate of attracting the customer by the 4S shop is improved, and the experience effect of the customer is improved.
In the technical scheme, the traveled mileage data comprises current mileage data of the vehicle and historical mileage data of the vehicle, and the first processing module is further used for determining maintenance interval mileage of the vehicle according to the current mileage data; the first processing module is also used for determining implementation data of the vehicle according to the historical mileage data; the first processing module is also used for determining first maintenance time according to the maintenance interval mileage and the implementation data; wherein the performance data is indicative of an average mileage of the vehicle increased per a preset time period during the historical driving.
In the technical scheme, the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle.
Specifically, the process that the first processing module calculates the first maintenance time of the vehicle according to the mileage data is as follows: the first processing module firstly calculates the mileage of the vehicle to the maintenance-required mileage (i.e. the maintenance interval mileage) according to the current mileage data. Specifically, the maintenance interval mileage is equal to a difference between the fixed maintenance mileage and the current mileage data.
Further, the first processing module calculates implementation data of the vehicle according to the historical mileage data, specifically, the implementation data is used for indicating average mileage data increased by the vehicle in the historical driving process within a preset time period.
Specifically, the first processing module calculates the average mileage of the vehicle (i.e. the performance data of the vehicle) increased per a preset time period by combining historical mileage data of the vehicle in a weighted calculation manner. Specifically, the implementation data is calculated according to the historical mileage data of the vehicle through a weighting algorithm, so that the reference value of the determined implementation data is improved, and the accuracy of the first maintenance time determined according to the implementation data in the subsequent steps is improved.
Further, the first processing module calculates the first maintenance time according to the maintenance interval mileage and the execution data. Specifically, the first maintenance time is equal to a ratio of the maintenance interval mileage to the performance data.
In the technical scheme, the first maintenance time is obtained by comprehensively calculating the implementation data of the vehicle and the maintenance interval mileage of the vehicle according to the weighting algorithm by the first processing module. Therefore, the driving habits of the customers are considered, the accuracy of the first maintenance time determined in the subsequent steps is improved, and the accuracy of the predicted next maintenance time of the vehicle is further improved.
In the technical scheme, the second processing module is further used for determining the last maintenance time of the vehicle according to historical maintenance data; the second processing module is further used for determining a second maintenance time according to the last maintenance time of the vehicle and the preset vehicle maintenance period.
In this technical solution, the process of the second processing module calculating the second maintenance time according to the historical maintenance data of the vehicle is as follows: the second processing module determines the last maintenance time of the vehicle according to the historical maintenance data.
Further, the second processing module calculates the second maintenance time according to the determined last vehicle maintenance time and a preset vehicle maintenance period. Specifically, the second maintenance time is equal to a difference between a time indicated by the preset vehicle maintenance period and a time of last maintenance of the vehicle.
In the technical scheme, the second processing module can calculate the second maintenance time according to the historical maintenance data of the vehicle, so that the next more accurate maintenance time of the vehicle can be predicted by combining the second maintenance time in the subsequent steps, a customer can timely maintain the vehicle according to the time, and the safety performance of the vehicle is improved.
In the above technical solution, the obtaining module is further configured to obtain a first weight and a second weight, where the first weight is used to indicate a weight of the first maintenance time, and the second weight is used to indicate a weight of the second maintenance time; the third processing module is further used for determining the next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time and the second maintenance time.
In the technical scheme, the first weight is used for indicating the weight occupied by the first maintenance time when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time; the second weight is used for indicating that the second maintenance time occupies the weight when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time.
Specifically, the process of determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time is as follows: first, a first weight and a second weight are obtained through an obtaining module. Specifically, the first weight and the second weight are set in advance according to the brand of the vehicle, the type of the vehicle, and the usage habit of the vehicle by the customer.
Further, the third processing module calculates a final next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time, and the second maintenance time by using a weighted algorithm. Specifically, the next maintenance time of the vehicle is equal to the sum of the product of the first weight and the first maintenance time and the product of the second weight and the second maintenance time.
In the technical scheme, the next maintenance time of the vehicle is calculated by the third processing module according to the first weight and the second weight obtained by the obtaining module, by adopting a weighting algorithm and combining the first maintenance time and the second maintenance time. Like this, guaranteed the accuracy of the next maintenance time of the vehicle of determining for the customer can be according to this time in time to the vehicle maintenance, improved the security performance of vehicle.
According to a third aspect of the present invention, a readable storage medium is provided, on which a program or instructions are stored, which when executed by a processor, implement the method for determining a vehicle service time according to the above aspect of the present invention. Therefore, the readable storage medium has all the advantages of the method for determining the vehicle maintenance time according to the technical solution of the present invention, and will not be described herein again.
According to a fourth aspect of the present invention, an electronic device is provided, which includes the device for determining the vehicle maintenance time according to the above-mentioned technical solution of the present invention, and/or the readable storage medium according to the above-mentioned technical solution of the present invention, and therefore, the electronic device has all the advantages of the device for determining the vehicle maintenance time according to the above-mentioned technical solution of the present invention and/or the readable storage medium according to the above-mentioned technical solution of the present invention, and will not be described again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates one of the flow diagrams of a method for vehicle maintenance time determination according to an embodiment of the present invention;
FIG. 2 is a second schematic flow chart of a method for determining vehicle maintenance time according to an embodiment of the present invention;
FIG. 3 is a third schematic flow chart diagram illustrating a method for determining vehicle maintenance time in accordance with an embodiment of the present invention;
FIG. 4 is a fourth flowchart illustrating a method for determining vehicle maintenance hours according to an embodiment of the present invention;
fig. 5 is a schematic block diagram showing a vehicle maintenance time determination apparatus according to an embodiment of the present invention;
FIG. 6 shows a schematic block diagram of an electronic device of an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The following describes in detail a method, an apparatus, a storage medium, and an electronic device for determining a vehicle maintenance time according to an embodiment of the present invention with reference to fig. 1 to 6 through specific embodiments and application scenarios thereof.
The first embodiment is as follows:
fig. 1 is a schematic flow chart illustrating a method for determining a vehicle maintenance time according to an embodiment of the present invention, wherein the method includes:
step S102, acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle;
step S104, determining first maintenance time of the vehicle according to the driving mileage data;
step S106, determining a second maintenance time of the vehicle according to the historical maintenance data;
and step S108, determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
In order to more clearly describe the method for determining a vehicle maintenance time provided by the present invention, the following embodiment will exemplarily describe the method for determining a vehicle maintenance time as an implementation subject.
In this embodiment, the determination means first acquires the mileage data of the vehicle and the historical maintenance data of the vehicle. Specifically, the determination device may obtain the mileage data by reading an odometer of the vehicle or by reading the computer data of the vehicle, and the determination device may obtain the historical maintenance data by reading the server data of the 4S store or by reading the computer data of the vehicle.
Further, the determination device calculates the first maintenance time of the vehicle according to the mileage data. Specifically, the traveled mileage data includes current mileage data and historical mileage data of the vehicle, the determining device is capable of calculating an average mileage increased by each preset time period of the vehicle by means of weighted calculation according to the historical mileage data, estimating a time required for the mileage of the vehicle to reach a maintenance-required mileage according to the average mileage and the current mileage data of the vehicle, and determining the first maintenance time according to the time.
Further, the determination device calculates a second maintenance time of the vehicle based on the historical maintenance data. Specifically, the last time of maintenance of the vehicle can be determined according to historical maintenance data of the vehicle, different components of the vehicle have fixed maintenance periods, and the second maintenance time can be estimated according to the last time of maintenance of the vehicle and the maintenance periods.
Further, the determining means calculates a next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time. Specifically, there may be a case where the vehicle is not maintained in the 4S store but is already maintained by another method, and in this case, there may be a large deviation in predicting the maintenance time of the vehicle based only on the historical maintenance data of the vehicle or the mileage data of the vehicle. Therefore, the determining means needs to determine the time for the next maintenance of the vehicle by integrating the first maintenance time determined from the vehicle mileage data and the second maintenance time determined from the historical maintenance data of the vehicle.
In this embodiment, the determining device first calculates a first maintenance time of the vehicle based on the mileage data of the vehicle, calculates a second maintenance time of the vehicle based on the historical maintenance data of the vehicle, and then determines a final predicted value of the next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time. In the embodiment of the invention, the determining device determines the next maintenance time of the vehicle by integrating the first maintenance time and the second maintenance time, so that the accuracy of the determined next maintenance time of the vehicle is ensured, a customer can maintain the vehicle in time, and the safety performance of the vehicle is improved. In addition, the 4S shop can accurately remind the customer according to the predicted next maintenance time of the vehicle, so that the customer is prevented from being harassed by calls, the 4S shop can attract the customer to perform vehicle maintenance at the most appropriate time, the success rate of attracting the customer by the 4S shop is improved, and the experience effect of the customer is improved.
Fig. 2 is a flowchart illustrating a method for determining a vehicle maintenance time according to an embodiment of the present invention, in which the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle, and the method for determining the vehicle maintenance time includes:
step S202, acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle, wherein the driving mileage data comprises the current mileage data of the vehicle and the historical mileage data of the vehicle;
step S204, determining the maintenance interval mileage of the vehicle according to the current mileage data;
step S206, determining implementation data of the vehicle according to historical mileage data;
step S208, determining first maintenance time according to the maintenance interval mileage and the implementation data;
step S210, determining a second maintenance time of the vehicle according to the historical maintenance data;
and step S212, determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
In this embodiment, the mileage data includes, in particular, current mileage data of the vehicle and historical mileage data of the vehicle.
Specifically, the process of calculating the first maintenance time of the vehicle according to the mileage data by the determining means is: the determination device first calculates the mileage of the vehicle from the maintenance-required mileage (i.e., the maintenance interval mileage described above) based on the current mileage data. Specifically, the maintenance interval mileage is equal to a difference between the fixed maintenance mileage and the current mileage data.
Further, the determination means calculates, from the historical mileage data, performance data of the vehicle, specifically, the performance data indicating average mileage data that increases every preset time period during the historical driving of the vehicle.
Specifically, the determination means calculates, by means of a weighted calculation, an average mileage of the vehicle (i.e., performance data of the vehicle) that increases per a preset time period, in combination with historical mileage data of the vehicle. Specifically, the implementation data is calculated according to the historical mileage data of the vehicle through a weighting algorithm, so that the reference value of the determined implementation data is improved, and the accuracy of the first maintenance time determined according to the implementation data in the subsequent steps is improved.
Further, the determining means calculates the first maintenance time based on the maintenance interval mileage and the performance data. Specifically, the first maintenance time is equal to a ratio of the maintenance interval mileage to the performance data.
In this embodiment, the first maintenance time is obtained by the determination means by integrating the performance data of the vehicle and the maintenance interval mileage of the vehicle calculated by the weighting algorithm. Therefore, the driving habits of the customers are considered, the accuracy of the first maintenance time determined in the subsequent steps is improved, and the accuracy of the predicted next maintenance time of the vehicle is further improved.
Fig. 3 is a flowchart illustrating a method for determining a vehicle maintenance time according to an embodiment of the present invention, wherein the method includes:
step S302, acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle;
step S304, determining first maintenance time of the vehicle according to the mileage data;
step S306, determining the last maintenance time of the vehicle according to historical maintenance data;
step S308, determining second maintenance time according to the last time of vehicle maintenance and a preset vehicle maintenance period;
and step S310, determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
In this embodiment, the process of calculating the second maintenance time by the determination device based on the historical maintenance data of the vehicle is: the determining device determines the last maintenance time of the vehicle according to the historical maintenance data.
Further, the determining device calculates the second maintenance time according to the determined last vehicle maintenance time and a preset vehicle maintenance period. Specifically, the second maintenance time is equal to a difference between a time indicated by the preset vehicle maintenance period and a time of last maintenance of the vehicle.
In this embodiment, the determining device can calculate the second maintenance time according to the historical maintenance data of the vehicle, so that the next maintenance time of the vehicle can be predicted more accurately in the subsequent step by combining the second maintenance time, so that the customer can maintain the vehicle in time according to the time, and the safety performance of the vehicle is improved.
Fig. 4 is a flowchart illustrating a method for determining a vehicle maintenance time according to an embodiment of the present invention, wherein the method includes:
step S402, acquiring the driving mileage data of the vehicle and the historical maintenance data of the vehicle;
step S404, determining first maintenance time of the vehicle according to the mileage data;
step S406, determining a second maintenance time of the vehicle according to the historical maintenance data;
step S408, acquiring a first weight and a second weight, wherein the first weight is used for indicating the weight of the first maintenance time, and the second weight is used for indicating the weight of the second maintenance time;
and step S410, determining the next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time and the second maintenance time by adopting a weighting algorithm.
In this embodiment, the first weight is used to indicate the weight occupied by the first maintenance time when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time; the second weight is used for indicating that the second maintenance time occupies the weight when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time.
Specifically, the process of determining the next maintenance time of the vehicle by the determining means based on the first maintenance time and the second maintenance time is: the determining means first acquires a first weight and a second weight. Specifically, the first weight and the second weight are set in advance according to the brand of the vehicle, the type of the vehicle, and the usage habit of the vehicle by the customer.
Further, the determining device calculates a final next maintenance time of the vehicle using a weighted algorithm based on the first weight, the second weight, the first maintenance time, and the second maintenance time. Specifically, the next maintenance time of the vehicle is equal to the sum of the product of the first weight and the first maintenance time and the product of the second weight and the second maintenance time.
In this embodiment, the next maintenance time of the vehicle is calculated by the determining means using a weighting algorithm based on the acquired first weight and second weight, and combining the first maintenance time and second maintenance time. Like this, guaranteed the accuracy of the next maintenance time of the vehicle of determining for the customer can be according to this time in time to the vehicle maintenance, improved the security performance of vehicle.
Example two:
fig. 5 is a schematic block diagram showing a vehicle maintenance time determination apparatus 500 according to an embodiment of the present invention, the vehicle maintenance time determination apparatus 500 including: an obtaining module 502, configured to obtain mileage data of a vehicle and historical maintenance data of the vehicle; a first processing module 504 for determining a first maintenance time of the vehicle according to the mileage data; a second processing module 506 for determining a second maintenance time for the vehicle based on the historical maintenance data; and the third processing module 508 determines the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
In this embodiment, the mileage data of the vehicle and the historical maintenance data of the vehicle are first acquired by the acquisition module 502. Specifically, the obtaining module 502 may obtain the mileage data by reading an odometer of the vehicle through the information collecting device or by reading the computer data of the vehicle, and the obtaining module 502 may obtain the historical maintenance data by reading the server data of the 4S store or by reading the computer data of the vehicle.
Further, the first processing module 504 calculates a first maintenance time of the vehicle according to the mileage data. Specifically, the traveled mileage data includes current mileage data and historical mileage data of the vehicle, the determining device is capable of calculating an average mileage increased by each preset time period of the vehicle by means of weighted calculation according to the historical mileage data, estimating a time required for the mileage of the vehicle to reach a maintenance-required mileage according to the average mileage and the current mileage data of the vehicle, and determining the first maintenance time according to the time.
Further, the second processing module 506 calculates a second maintenance time of the vehicle according to the historical maintenance data. Specifically, the last time of maintenance of the vehicle can be determined according to historical maintenance data of the vehicle, different components of the vehicle have fixed maintenance periods, and the second maintenance time can be estimated according to the last time of maintenance of the vehicle and the maintenance periods.
Further, the third processing module 508 integrates the first maintenance time and the second maintenance time to calculate a next maintenance time for the vehicle. Specifically, there may be a case where the vehicle is not maintained in the 4S store but is already maintained by another method, and in this case, there may be a large deviation in predicting the maintenance time of the vehicle based only on the historical maintenance data of the vehicle or the mileage data of the vehicle. Therefore, the determining means needs to determine the time for the next maintenance of the vehicle by integrating the first maintenance time determined from the vehicle mileage data and the second maintenance time determined from the historical maintenance data of the vehicle.
In this embodiment, the first processing module 504 can calculate a first maintenance time of the vehicle according to the mileage data of the vehicle acquired by the acquisition module 502, the second processing module 506 can calculate a second maintenance time of the vehicle according to the historical maintenance data of the vehicle acquired by the acquisition module 502, and the third processing module 508 can determine a final predicted value of the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time. In the embodiment of the present invention, the third processing module 508 integrates the first maintenance time and the second maintenance time to determine the next maintenance time of the vehicle, so as to ensure the accuracy of the determined next maintenance time of the vehicle, enable a customer to timely maintain the vehicle, and improve the safety performance of the vehicle. In addition, the 4S shop can accurately remind the customer according to the predicted next maintenance time of the vehicle, so that the customer is prevented from being harassed by calls, the 4S shop can attract the customer to perform vehicle maintenance at the most appropriate time, the success rate of attracting the customer by the 4S shop is improved, and the experience effect of the customer is improved.
In the above embodiment, the mileage data includes the current mileage data of the vehicle and the historical mileage data of the vehicle, and the first processing module 504 is further configured to determine the maintenance interval mileage of the vehicle according to the current mileage data; the first processing module 504 is further configured to determine fulfillment data for the vehicle based on the historical mileage data; the first processing module 504 is further configured to determine a first maintenance time based on the maintenance interval mileage and the fulfillment data; wherein the performance data is indicative of an average mileage of the vehicle increased per a preset time period during the historical driving.
In this embodiment, the mileage data includes, in particular, current mileage data of the vehicle and historical mileage data of the vehicle.
Specifically, the process of the first processing module 504 calculating the first maintenance time of the vehicle according to the mileage data is as follows: the first processing module 504 first calculates the mileage of the vehicle from the maintenance-required mileage (i.e., the maintenance interval mileage) according to the current mileage data. Specifically, the maintenance interval mileage is equal to a difference between the fixed maintenance mileage and the current mileage data.
Further, the first processing module 504 calculates fulfillment data of the vehicle based on the historical mileage data, and specifically, the fulfillment data indicates average mileage data of the vehicle that increases every preset time period during the historical driving.
Specifically, the first processing module 504 calculates an average mileage of the vehicle (i.e., the performance data of the vehicle) increased per a preset time period by using a weighted calculation in combination with historical mileage data of the vehicle. Specifically, the implementation data are calculated according to the historical mileage data of the vehicle through a weighting algorithm, the reference value of the determined implementation data is improved, and the accuracy of the first maintenance time determined according to the implementation data in the subsequent steps is improved.
Further, the first processing module 504 calculates the first maintenance time according to the maintenance interval mileage and the execution data. Specifically, the first maintenance time is equal to a ratio of the maintenance interval mileage to the performance data.
In this embodiment, the first maintenance time is calculated by the first processing module 504 based on the vehicle performance data calculated by the weighting algorithm and the maintenance interval mileage of the vehicle. Therefore, the driving habits of the customers are considered, the accuracy of the first maintenance time determined in the subsequent steps is improved, and the accuracy of the predicted next maintenance time of the vehicle is further improved.
In the above embodiment, the second processing module 506 is further configured to determine the last time of maintenance of the vehicle according to the historical maintenance data; the second processing module 506 is further configured to determine a second maintenance time according to the last time of the vehicle maintenance and a preset vehicle maintenance cycle.
In this embodiment, the process of the second processing module 506 calculating the second maintenance time according to the historical maintenance data of the vehicle is as follows: the second processing module 506 determines the last maintenance time of the vehicle based on the historical maintenance data.
Further, the second processing module 506 calculates the second maintenance time according to the determined last vehicle maintenance time and a preset vehicle maintenance cycle. Specifically, the second maintenance time is equal to a difference between a time indicated by the preset vehicle maintenance period and a time of last maintenance of the vehicle.
In this embodiment, the second processing module 506 can calculate the second maintenance time according to the historical maintenance data of the vehicle, so that the next maintenance time of the vehicle can be predicted more accurately in the subsequent step by combining the second maintenance time, so that the customer can maintain the vehicle in time according to the time, and the safety performance of the vehicle is improved.
In the above embodiment, the obtaining module 502 is further configured to obtain a first weight and a second weight, where the first weight is used for indicating the weight of the first maintenance time, and the second weight is used for indicating the weight of the second maintenance time; the third processing module 508 is further configured to determine a next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time, and the second maintenance time.
In this embodiment, the first weight is used to indicate the weight occupied by the first maintenance time when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time; the second weight is used for indicating that the second maintenance time occupies the weight when the next maintenance time of the vehicle is calculated according to the first maintenance time and the second maintenance time.
Specifically, the process of determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time is as follows: first the first weight and the second weight are obtained by the obtaining module 502. Specifically, the first weight and the second weight are set in advance according to the brand of the vehicle, the type of the vehicle, and the usage habit of the vehicle by the customer.
Further, the third processing module 508 calculates a final next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time, and the second maintenance time by using a weighting algorithm. Specifically, the next maintenance time of the vehicle is equal to the sum of the product of the first weight and the first maintenance time and the product of the second weight and the second maintenance time.
In this embodiment, the next maintenance time of the vehicle is calculated by the third processing module 508 according to the first weight and the second weight obtained by the obtaining module 502, by using a weighted algorithm, and combining the first maintenance time and the second maintenance time. Like this, guaranteed the accuracy of the next maintenance time of the vehicle of determining for the customer can be according to this time in time to the vehicle maintenance, improved the security performance of vehicle.
Example three:
according to a third embodiment of the present invention, a readable storage medium is provided, on which a program or instructions are stored, which when executed by a processor, implement the method for determining a vehicle service time as set forth in the above-mentioned embodiments. Therefore, the readable storage medium has all the advantages of the method for determining the vehicle maintenance time provided by the above embodiment, and details are not described herein again.
Example four:
fig. 6 shows a schematic block diagram of an electronic device 600 according to an embodiment of the present invention, where the electronic device 600 includes the apparatus 500 for determining a vehicle maintenance time according to the above-mentioned embodiment of the present invention, and/or the readable storage medium 602 according to the above-mentioned embodiment of the present invention, and therefore, the electronic device 600 has all the advantages of the apparatus 500 for determining a vehicle maintenance time according to the above-mentioned embodiment of the present invention and/or the readable storage medium 602 according to the above-mentioned embodiment of the present invention, and details thereof are not repeated herein.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for determining a vehicle service time, comprising:
acquiring mileage data of the vehicle and historical maintenance data of the vehicle;
determining a first maintenance time of the vehicle according to the mileage data;
determining a second maintenance time of the vehicle according to the historical maintenance data;
and determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
2. The method for determining a vehicle service time according to claim 1, wherein the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle, and the determining the first service time of the vehicle according to the mileage data includes:
determining maintenance interval mileage of the vehicle according to the current mileage data;
determining fulfillment data for the vehicle from the historical mileage data;
determining the first maintenance time according to the maintenance interval mileage and the implementation data;
wherein the performance data is indicative of an average mileage of the vehicle that increases per a preset period of time during the historical driving.
3. The method for determining a maintenance time of a vehicle according to claim 1, wherein the determining a second maintenance time of the vehicle according to the historical maintenance data specifically comprises:
determining the last maintenance time of the vehicle according to the historical maintenance data;
and determining the second maintenance time according to the last maintenance time of the vehicle and a preset vehicle maintenance period.
4. The method for determining the vehicle service time according to claim 1, wherein the determining the next service time of the vehicle according to the first service time and the second service time includes;
acquiring a first weight and a second weight, wherein the first weight is used for indicating the weight of the first maintenance time, and the second weight is used for indicating the weight of the second maintenance time;
and determining the next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time and the second maintenance time by adopting a weighting algorithm.
5. A vehicle maintenance time determination apparatus, comprising:
the acquisition module is used for acquiring the mileage data of the vehicle and the historical maintenance data of the vehicle;
the first processing module is used for determining first maintenance time of the vehicle according to the mileage data;
the second processing module is used for determining a second maintenance time of the vehicle according to the historical maintenance data;
and the third processing module is used for determining the next maintenance time of the vehicle according to the first maintenance time and the second maintenance time.
6. The vehicle maintenance time determination apparatus of claim 5, wherein the mileage data includes current mileage data of the vehicle and historical mileage data of the vehicle, the first processing module being further configured to determine a maintenance interval mileage of the vehicle based on the current mileage data;
the first processing module is further configured to determine fulfillment data for the vehicle based on the historical mileage data;
the first processing module is further used for determining the first maintenance time according to the maintenance interval mileage and the implementation data;
wherein the performance data is indicative of an average mileage of the vehicle that increases per a preset period of time during the historical driving.
7. The vehicle maintenance time determination apparatus according to claim 5, wherein the second processing module is further configured to determine a last time of maintenance of the vehicle according to the historical maintenance data;
the second processing module is further used for determining the second maintenance time according to the last time of vehicle maintenance and a preset vehicle maintenance period.
8. The vehicle maintenance time determination device according to claim 5, wherein the obtaining module is further configured to obtain a first weight and a second weight, the first weight is used for indicating the weight of the first maintenance time, and the second weight is used for indicating the weight of the second maintenance time;
the third processing module is further configured to determine a next maintenance time of the vehicle according to the first weight, the second weight, the first maintenance time, and the second maintenance time.
9. A readable storage medium, storing thereon a program or instructions which, when executed by a processor, carry out the steps of the method of vehicle maintenance time determination according to any one of claims 1 to 4.
10. An electronic device, comprising:
the vehicle maintenance time determination device according to any one of claims 5 to 8; and/or
The readable storage medium of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210465984.5A CN114742539A (en) | 2022-04-29 | 2022-04-29 | Method and device for determining vehicle maintenance time, storage medium and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210465984.5A CN114742539A (en) | 2022-04-29 | 2022-04-29 | Method and device for determining vehicle maintenance time, storage medium and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114742539A true CN114742539A (en) | 2022-07-12 |
Family
ID=82286042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210465984.5A Pending CN114742539A (en) | 2022-04-29 | 2022-04-29 | Method and device for determining vehicle maintenance time, storage medium and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114742539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116070787A (en) * | 2023-03-08 | 2023-05-05 | 中环洁集团股份有限公司 | Equipment maintenance period prediction method, system, equipment and readable storage medium |
-
2022
- 2022-04-29 CN CN202210465984.5A patent/CN114742539A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116070787A (en) * | 2023-03-08 | 2023-05-05 | 中环洁集团股份有限公司 | Equipment maintenance period prediction method, system, equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111098753B (en) | Electric vehicle driving mileage estimation method and device and electric vehicle | |
| US11774503B2 (en) | Battery life learning device, battery life prediction device, method and non-transitory computer readable medium | |
| JP3490364B2 (en) | System and method for determining oil change intervals | |
| CN111670340B (en) | Method for acquiring remaining driving mileage of vehicle, electronic equipment and vehicle | |
| US6553354B1 (en) | Method of probabilistically modeling variables | |
| TW201534513A (en) | Vehicle preventive maintenance system | |
| WO2015041093A1 (en) | Device and method for evaluating performance of storage cell | |
| CN111507883B (en) | Method for acquiring vehicle operation data in oiling process | |
| CN111060153B (en) | Method and device for detecting cargo state of truck and storage medium | |
| CN115884895A (en) | Method for predicting the remaining service life of a vehicle battery of a fleet of electric vehicles | |
| EP4008994A1 (en) | Road monitoring method and system | |
| CN114742539A (en) | Method and device for determining vehicle maintenance time, storage medium and electronic equipment | |
| CA2847305A1 (en) | System and method for estimating loss costs and propensity of an insured vehicle and providing driving information | |
| CN113815464B (en) | Charging pile recommendation method and device, vehicle and storage medium | |
| CN115384516A (en) | Tire wear mileage calculation method, device and equipment for transport vehicle | |
| CN109921955B (en) | Traffic monitoring method, system, computer device and storage medium | |
| CN108763374B (en) | Driving path display method, device and equipment | |
| CN111812306A (en) | Oil product monitoring method, electronic equipment and storage medium | |
| CN112268696B (en) | Clutch detection method, device, storage medium and device | |
| CN114043875B (en) | Residual mileage pre-estimated deviation analysis method and system based on big data | |
| KR101807210B1 (en) | Apparatus and method for managing vehicle expendable | |
| CN112208336A (en) | Vehicle use identification method and device | |
| JP2013221814A (en) | Energy consumption prediction apparatus | |
| CN113900861A (en) | Sensor data restoration method, device, equipment and storage medium | |
| CN115195527A (en) | Energy consumption control method and device for power battery |
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 |