WO2023274591A1 - Verfahren zum ausführen einer funktion eines fahrzeugs, computerlesbares medium, system, und fahrzeug - Google Patents
Verfahren zum ausführen einer funktion eines fahrzeugs, computerlesbares medium, system, und fahrzeug Download PDFInfo
- Publication number
- WO2023274591A1 WO2023274591A1 PCT/EP2022/058981 EP2022058981W WO2023274591A1 WO 2023274591 A1 WO2023274591 A1 WO 2023274591A1 EP 2022058981 W EP2022058981 W EP 2022058981W WO 2023274591 A1 WO2023274591 A1 WO 2023274591A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- function
- time window
- determined
- probability
- 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.)
- Ceased
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3492—Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/343—Calculating itineraries
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/40—Business processes related to the transportation industry
Definitions
- the invention relates to a method for performing a function of a vehicle.
- the invention further relates to a computer-readable medium for performing a function of a vehicle, a system for performing a function of a vehicle, and a vehicle comprising the system for performing a function of a vehicle.
- an object of the invention to efficiently improve performance of a function of the vehicle.
- an object of the invention is to efficiently improve predicting the start of a next trip with the vehicle and the execution of a function of the vehicle depending on the start of the next trip with the vehicle.
- the invention is distinguished by a method for executing a function of a vehicle.
- the method can be a computer-implemented method and/or a controller-implemented method.
- the function of the vehicle can be a customer function of the vehicle.
- a customer function of the vehicle can be a function of the vehicle that can be operated and/or experienced by a user of the vehicle.
- the vehicle can be an automobile.
- the method includes determining a current vehicle location of the vehicle.
- the method also includes determining a probability for the start of a next trip within a time window from a set of time windows as a function of the determined current vehicle location.
- the time window can be a time window with a fixed, predetermined time duration be. For example, the time window can be 30 minutes long and cover the time between 5:00 p.m. and 5:30 p.m.
- the method also includes predicting a departure time window for the start of the next trip, the departure time window for the start of the next trip being the time window for which the probability determined has the highest value.
- the method includes executing the function of the vehicle if the probability determined for the predicted departure time window exceeds a predefined threshold value.
- the method can efficiently predict a departure time window. Furthermore, the method can efficiently control a function of the vehicle depending on the predicted departure time window.
- the current vehicle location can be determined using a position of the vehicle and/or the position of the vehicle can be determined using a global satellite navigation system.
- the parameter k can reduce the probability of the start of the next journey.
- the parameter k can be determined user-specifically. Alternatively, the parameter k can be determined for all users of the vehicle. With this, the probability of the start of the next trip within a time window can be efficiently determined. According to a further advantageous embodiment of the invention, the parameter k can be determined using a cost function. With this, the parameter k can be determined efficiently.
- the parameter k can be determined using a parameter optimization method. With this, the parameter k can be determined efficiently.
- the cost function can be determined as a function of two parameters, and/or a first parameter can be representative of a proportion of all trips in which the determined probability exceeds the specified threshold value, and/or the second parameter be representative of a number of journeys for which the probability determined for the predicted departure time window exceeds the specified threshold value and the start of the journey lies within the specified time window, divided by a number of predicted departure time windows for which the probability exceeds the specified threshold value.
- the parameter k can be determined efficiently with the cost function.
- the function of the vehicle can be executed with a time delay, and/or the function of the vehicle can be executed with a time delay depending on the function and/or the predicted departure time window, and/or the function of the vehicle can be delayed in time be executed depending on a current traffic situation. This allows the execution of the function to be flexibly controlled.
- the function of the vehicle can include transmitting a message to a user of the vehicle and/or conditioning and/or preconditioning the vehicle for the next trip. This allows various vehicle functions to be controlled efficiently.
- the invention is characterized by a computer-readable medium for executing a function of a vehicle, the computer-readable medium comprising instructions which, when executed on a computer and/or a control unit of the vehicle, execute the method described above.
- the invention is distinguished by a system for carrying out a function of a vehicle, the system being designed to carry out the method described above.
- the invention is characterized by a vehicle comprising the system described above for executing a function of a vehicle.
- FIG. 1 schematically shows an exemplary method for performing a function of a vehicle
- FIG. 2 shows an exemplary curve of two parameters of a cost function
- FIG. 3 shows an exemplary curve of a dependency of a first parameter on a second parameter of a cost function.
- FIG. 1 shows an example method 100 for performing a function of a vehicle.
- a driving behavior of a user of a vehicle can only be predicted to a limited extent. For this reason, a function of a vehicle should only be executed if there is a high probability that it is relevant for the user of the vehicle. For example, a relevance can be quantified and/or evaluated with the parameters precision and hit frequency.
- the start of a next trip by the user of the vehicle can be predicted.
- the method 100 is preferably carried out when the vehicle is parked. Additionally or alternatively, the method 100 can be executed while the vehicle is stationary and/or while it is being parked at predetermined times and/or time intervals.
- the method 100 can be carried out on a control unit and/or be executed on a computer in the vehicle. Additionally or alternatively, the method can be executed on a vehicle-external server, for example a backend server.
- the method 100 can determine 102 a current vehicle location of the vehicle.
- the current vehicle location can be determined based on a vehicle position, for example a last vehicle position of a last trip with the vehicle.
- the vehicle position can be determined using a global satellite navigation system.
- Vehicle position may vary based on vehicle location.
- the vehicle position at the vehicle location may vary by 5m,..., 50m,..., 200m.
- the vehicle position at the vehicle location can vary due to different parking locations of the vehicle at the vehicle location and/or due to inaccuracy in determining the vehicle position.
- the current vehicle location can be determined by calculating clusters of vehicle positions for all past vehicle positions.
- clusters of vehicle positions can be calculated using a DBSCAN algorithm and/or agglomerative clustering, with each cluster representing a vehicle location. Using the vehicle's last vehicle position, the cluster of vehicle positions can be determined and thus also the current vehicle location.
- the method 100 can determine a probability of the start of a next trip within a time window from a set of time windows depending on the determined current vehicle location 104. As soon as the vehicle is parked, the method 100 can determine a probability of the start of a next trip within a Determine time window from a set of time windows depending on the determined current vehicle location using past trips by a user of the vehicle.
- the probability P for the start of the next trip within a time window F from a set of time windows can be determined as follows:
- P(start of the next trip in time window F, when the vehicle is at vehicle location A at time t) number of past events in which the vehicle was at vehicle location A at time t and the start of the trip took place in time window F / (number of past events , where the vehicle was at vehicle location A at time t and the start of the journey took place in time window F + parameter k), where the parameter k is a nonnegative real number.
- the parameter k can be adjusted depending on the number of events, in particular past events, of a user.
- a past event can be a past trip with the vehicle.
- the parameter k is preferably adjusted automatically by a cost function. For example, the parameter k can be increased if there are only a few events from the user. As a result, the probability of the start of the next journey in time window F can be reduced. For example, the parameter k can be decreased when there are many user events. As a result, the probability of the start of the next journey in time window F can be increased. The probability is compared against a predetermined threshold. By adapting the parameter k, exceeding or falling below the specified threshold value can be controlled.
- the number of past events can include all previous days of the week on which a trip with the vehicle took place. Alternatively, the number of past events can be limited to a current day of the week. Additionally or alternatively, the number of past events can be limited to weekdays Monday through Friday, public holidays, and/or days of a weekend.
- the set of time windows can be predetermined. For example, the set of time windows can include time windows of a predetermined period of time, for example a period of 24 hours after the vehicle is parked. An example time window may include a time period from 8:00 a.m. to 8:30 a.m. on a following day after the vehicle is parked.
- the method 100 can predict 106 a departure time window for the start of the next trip.
- the departure time window for the start of the next trip can be the time window for which the determined probability has the highest value.
- the departure time window can be predicted for a user, for example if a user-specific function of the vehicle is to be carried out.
- the departure time window can be predicted for all users of the vehicle if a vehicle function that is relevant for all users of the vehicle is to be carried out.
- Predicting 106 the departure time window can take place by using a time window with a fixed duration, for example 30 minutes, preferably within a prediction horizon. for example within a period of 24 hours, which has the highest probability for the start of the next journey.
- the departure time window can be determined using fixed time windows from the end of the last journey.
- the departure time window can be determined on the basis of time windows of fixed duration, which are shifted by small time increments, for example in 5-minute increments, at one end of the last trip. If there are several time windows within the prediction horizon for which the probability is above the specified threshold value, the time window with the highest probability can be predicted or all time windows determined can be predicted.
- the duration of the time window can be chosen depending on the function of the vehicle that is to be performed.
- a short-duration time window may more accurately predict a departure time, but the likelihood of the next trip beginning in the short-duration time window may be lower than in a longer-duration time window.
- an attempt can be made to determine a departure time within a time window of short duration and, if no departure time window was found with a probability that exceeds the specified threshold value, the time window can be gradually extended up to a specified maximum duration. For example, an initial time window of 30 minutes can first be extended to a time window of 60 minutes, then to a time window of 90 minutes, and finally to a time window of a maximum of 120 minutes.
- the prediction of the departure time window can be carried out again at regular time intervals when the vehicle is not moving.
- Departure slot probabilities may change over time. For example, if the vehicle was parked at 5:00 p.m. the day before and there is still a chance that another trip will occur in the evening, the next morning to work may be less likely.
- the vehicle would have to be woken up at a later point in time if the prediction were made again.
- This can be prevented by already performing the prediction of the departure time window for future points in time when the vehicle is parked, assuming that the vehicle will not move until the future point in time.
- Will the vehicle parked at 5:00 p.m., for example, the departure time window can be predicted for the future times 5:10 p.m., 5:20 p.m., ..., up to a maximum time horizon of, for example, 24 hours, each assuming that the vehicle has not been moved up to this point.
- Predicting the departure time slot can end as soon as a time slot is found with a probability above the threshold. If, contrary to the assumption, the vehicle is moved at an earlier point in time, execution of a function that is scheduled for a later point in time is discarded. This procedure can also take place analogously when the departure time window is predicted on a vehicle-external server.
- the method 100 can execute the function of the vehicle 108 if the determined probability of the predicted departure time window exceeds a predefined threshold value.
- the predefined threshold value can have a value of 0.6, 0.7, 0.8, or 0.9.
- the function of the vehicle is preferably only carried out when the probability of the predicted departure time window exceeds a predetermined threshold value. If the probability of the predicted departure time window is above the threshold value, the function can be executed at a later point in time, the later point in time being a point in time between a current point in time and the specific departure time window. Furthermore, the later point in time can depend on the function of the vehicle that is to be carried out. If the function is, for example, checking the traffic situation and/or conditioning the vehicle, the function can be carried out, for example, 30 minutes or 60 minutes before the predicted start of the journey.
- the parameter k can be determined by means of a parameter optimization.
- the parameters are preferably optimized using a cost function.
- different value assignments of the parameter k can be evaluated using two parameters.
- the parameter k is used in determining the probability P.
- the parameter optimization can use historical data, for example a departure location and/or a departure time of a trip by a user with the vehicle. The historical data can be used as test data for evaluating the parameter k with the cost function.
- the cost function is calculated for different value allocations of the parameter k. The value of the parameter k that maximizes the cost function is used.
- an algorithm for Parameter optimization such as grid search, random search or Bayesian optimization can be used.
- the parameter optimization can be further accelerated by using a representative sample of users, for example 1000 selected users.
- the hit frequency parameter is also referred to below as recall.
- the calculation can be done for the probability thresholds 0, 0.01, 0.02, ..., 1.
- the recall parameter can be defined as the proportion of all trips where the probability is above the specified threshold and the start of the trip is within the predicted time window.
- the precision parameter can be defined as follows: number of trips for which the probability is above the threshold and the start of a trip is within the predicted time window, divided by the number of predictions for which the probability is above the specified threshold. In other words, the precision indicates the probability that a journey will actually begin within a predicted departure time window.
- Fig. 2 shows an exemplary course 200 of the parameters recall 202 and precision 204 of the cost function as a function of the probability threshold 206.
- the precision 204 is above the diagonal 208 when the estimated probabilities agree with the actual accuracy.
- FIG. 3 shows a curve 300 of a dependency of a first parameter, the parameter recall 202, on a second parameter, the parameter precision 204, of the cost function.
- the following can be selected as cost functions, for example:
- a threshold value for a function can be specified for all users of the vehicle. Additionally or alternatively, a threshold value for a function can be specified for each user of the vehicle.
- the probability threshold value of the required precision preferably corresponds to the predefined threshold value for the execution of the function of the vehicle. In this way it can be achieved that the required precision will be achieved by all users of the vehicle in the future. If the cost function per user is optimized, an individual minimum threshold value for executing the function is obtained for each user.
- Variant 2) or 3) of the cost function can be used if, at the time of parameter optimization, it is not yet clear what level of precision will be required later.
- the precision can be set dynamically by a user.
- the assignment of threshold value to precision resulting from the calculation - i.e. which precision is achieved with which threshold value - can be used to dynamically change the threshold value and thus achieve a certain precision per user or across all users without having to readjust the parameter k to have to.
- Variant 1) of the cost function can achieve better results.
- Variants 2) and 3) of the cost function increase flexibility.
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/560,350 US20240230357A1 (en) | 2021-06-30 | 2022-04-05 | Method For Carrying Out a Function of a Vehicle, Computer-Readable Medium, System, and Vehicle |
| CN202280024753.9A CN117203650A (zh) | 2021-06-30 | 2022-04-05 | 用于执行车辆功能的方法、计算机可读介质、系统和车辆 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021116781.7A DE102021116781A1 (de) | 2021-06-30 | 2021-06-30 | Verfahren zum Ausführen einer Funktion eines Fahrzeugs, computerlesbares Medium, System, und Fahrzeug |
| DE102021116781.7 | 2021-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023274591A1 true WO2023274591A1 (de) | 2023-01-05 |
Family
ID=81580100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/058981 Ceased WO2023274591A1 (de) | 2021-06-30 | 2022-04-05 | Verfahren zum ausführen einer funktion eines fahrzeugs, computerlesbares medium, system, und fahrzeug |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240230357A1 (de) |
| CN (1) | CN117203650A (de) |
| DE (1) | DE102021116781A1 (de) |
| WO (1) | WO2023274591A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016102618A1 (de) * | 2015-02-20 | 2016-08-25 | Ford Global Technologies, Llc | Verfahren und Vorrichtung für voraussagende Fahrzeug-Vorkonditionierung |
| DE102017100398A1 (de) * | 2016-01-13 | 2017-07-13 | Ford Global Technologies, Llc | System zum identifizieren eines fahrers vor seiner annäherung an ein fahrzeug unter verwendung von drahtlosen kommunikationsprotokollen |
| CN112380906A (zh) * | 2020-10-19 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | 一种基于行车数据确定用户住址的方法 |
| DE112018007858T5 (de) * | 2018-07-27 | 2021-04-15 | Bayerische Motoren Werke Aktiengesellschaft | Computerimplementiertes Verfahren und Datenverarbeitungssystem zum Prädizieren der Rückkehr eines Benutzers zu einem Fahrzeug |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5897848B2 (ja) | 2011-08-31 | 2016-04-06 | トヨタ自動車株式会社 | 充放電支援装置 |
| DE102016215388A1 (de) | 2016-08-17 | 2018-02-22 | Bayerische Motoren Werke Aktiengesellschaft | Steuerung eines Ruhebetriebs eines Kraftfahrzeugs |
| US20190215378A1 (en) * | 2018-01-05 | 2019-07-11 | Cisco Technology, Inc. | Predicting vehicle dwell time to optimize v2i communication |
-
2021
- 2021-06-30 DE DE102021116781.7A patent/DE102021116781A1/de active Pending
-
2022
- 2022-04-05 US US18/560,350 patent/US20240230357A1/en active Pending
- 2022-04-05 CN CN202280024753.9A patent/CN117203650A/zh active Pending
- 2022-04-05 WO PCT/EP2022/058981 patent/WO2023274591A1/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016102618A1 (de) * | 2015-02-20 | 2016-08-25 | Ford Global Technologies, Llc | Verfahren und Vorrichtung für voraussagende Fahrzeug-Vorkonditionierung |
| DE102017100398A1 (de) * | 2016-01-13 | 2017-07-13 | Ford Global Technologies, Llc | System zum identifizieren eines fahrers vor seiner annäherung an ein fahrzeug unter verwendung von drahtlosen kommunikationsprotokollen |
| DE112018007858T5 (de) * | 2018-07-27 | 2021-04-15 | Bayerische Motoren Werke Aktiengesellschaft | Computerimplementiertes Verfahren und Datenverarbeitungssystem zum Prädizieren der Rückkehr eines Benutzers zu einem Fahrzeug |
| CN112380906A (zh) * | 2020-10-19 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | 一种基于行车数据确定用户住址的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117203650A (zh) | 2023-12-08 |
| DE102021116781A1 (de) | 2023-01-05 |
| US20240230357A1 (en) | 2024-07-11 |
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