WO2022037968A1 - Steuervorrichtung und verfahren zum prädiktiven betreiben eines energiebordnetzes - Google Patents
Steuervorrichtung und verfahren zum prädiktiven betreiben eines energiebordnetzes Download PDFInfo
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- WO2022037968A1 WO2022037968A1 PCT/EP2021/071966 EP2021071966W WO2022037968A1 WO 2022037968 A1 WO2022037968 A1 WO 2022037968A1 EP 2021071966 W EP2021071966 W EP 2021071966W WO 2022037968 A1 WO2022037968 A1 WO 2022037968A1
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Classifications
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- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/12—Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
- B60W20/14—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
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Definitions
- the invention relates to a control device and a method for operating an on-board power supply system of a motor vehicle.
- the invention also relates to a central database device that can communicate in particular with the control device.
- the operational actions required to continue operating the vehicle electrical system are determined solely as a function of the operating parameters of the vehicle itself.
- a control device for operating an on-board power supply system of a motor vehicle having in particular a hybrid drive with an electric machine and an internal combustion engine or at least one internal combustion engine and the ability for recuperation.
- the control device has an input unit that is set up to determine, in particular to detect, and, in particular, to determine operating parameters of the vehicle electrical system (ie, in particular, an operating state) of the motor vehicle and/or one or more environmental parameters of the vehicle (ie, in particular, an environmental state).
- an on-board network operating action to a processing unit of the control device.
- At least one environmental parameter is a probability of a third-vehicle operating action, wherein the third-vehicle operating action can be, for example, active recuperation of the electrical machine or an activated start-stop functionality (ie a temporarily switched-off internal combustion engine).
- This enables a better prediction of a future operating state of the vehicle electrical system, for example a better prediction of a charge quantity that is likely to be available for the vehicle electrical system in the near future (for example within a prediction horizon) - with a simultaneously small quantity of data to be provided or transmitted (to the input unit) and /or greater independence from other operating parameters of third-party vehicles.
- This also results in an improved possibility of optimally conditioning an energy store of the vehicle electrical system for an expected amount of charge, so that sufficient storage space is available and/or it can be filled at an optimal degree of charge.
- a probability for a specific operational action in other vehicles from a fleet such as third-party vehicles
- specific predictions - such as a recuperation prediction -
- a reliable metric for environmental conditions which, based on their properties, allows a deterministic-physical determination difficult to enable. This is the case, for example, with a recuperation prediction on level terrain, whereas on a steeply sloping road, a deterministic determination of an expected charge quantity is possible with a high level of quality depending on parameters such as vehicle weight and speed.
- control device also has a processing unit for implementing an operating strategy and an output unit for outputting corresponding control commands.
- control device is to be understood in particular as an on-board power supply control means that is professionally designed beyond all embodiments of the invention, in particular for a motor vehicle with a hybrid drive.
- control is to be understood broadly and can in particular also include “regulating”.
- “determine” can be understood to mean any possibility of making available or finding out a value of a parameter;
- “detection” can be understood in particular as making available a value of a parameter determined by means of a sensor device.
- operating state can be understood here as the totality of the characteristics (the terms characteristic and value can be used synonymously in the present case) of operating parameters that are relevant for a consideration.
- an on-board network operation action is to be understood in particular as an action of the on-board network which is aimed at a, in particular desired, change in the operating state of the motor vehicle.
- a method for operating an on-board energy supply system of a motor vehicle having at least the following steps, which can be carried out in the specified order or in any other order that makes sense for a person skilled in the art:
- (c) Determination of a vehicle electrical system operation action, in particular a possible one, as a function of the determined values, in particular of the determined probability of the third-vehicle operating action.
- the value of operating parameters of the vehicle electrical system and/or of one or more environmental parameters of the vehicle can be determined using the input unit of the control device.
- the determined values of the parameters are forwarded to the processing unit of the control device.
- the likelihood of a third party vehicle operational action is determined by
- the vehicle electrical system operating action is determined as a function of the ascertained probabilities of the third-vehicle operating action by (c1) considering all probability values that are above a relevance limit value and whose georeference points are within a prediction horizon, and/or
- (c_i) determines the vehicle electrical system operating action based on a learned operating strategy, in particular an adaptive unit of the processing unit of the control device of the motor vehicle, and/or
- (cji) checks the vehicle electrical system operation based on a predetermined checking strategy, in particular a reflex unit of the processing unit of the control device of the motor vehicle.
- a predetermined checking strategy in particular a reflex unit of the processing unit of the control device of the motor vehicle.
- an (environmental) probability-based prediction can contribute to faster and/or better learning of an efficient operating strategy for the vehicle electrical system, with effective control by the reflex unit also being able to be provided according to one embodiment.
- updated (i.e. current) probabilities can contribute to a continuous further development of the operating strategy, because with the security of the control of the proposed vehicle electrical system operating actions by the reflex unit, learning of the adaptive unit can also take place in regular customer operation.
- the processing unit has a learning unit that is set up to output a possible vehicle electrical system operating action based on a learned operating strategy.
- the processing unit has a reflex unit that is set up to check the possible operational action based on a predetermined strategy. Examples of such a processing unit and associated Reflex-Augmented Reinforcement Learning algorithms are shown in the publication "International Conference on Artificial Intelligence ICAI 18, pages 429-430, ISBN: 1-60132-480-4, published in CSREA Press", but also in DE 10 2017 214 384 A1.
- a central database device in particular a server with a database and a communication device for data exchange with the vehicle under consideration and all other vehicles in a vehicle fleet, is specified.
- the device is set up to
- each vehicle in the fleet can be provided with a value for a probability of a specific operational action for all or all relevant third vehicles that have passed the geo-reference point for each geo-reference point.
- all vehicle-related operating parameters of each vehicle of the fleet considered are stored in the database of the central database device for each geo-reference point of the considered map for the point in time in a geo-reference point data set.
- the georeference point data record contains in particular all environment-related parameters of the georeference point.
- certain operating parameters transmitted by the individual third-party vehicles can be used to calculate probabilities for the existence of an operating action, based on all or all of a specific parameter value -Combination of relevant third-party vehicles to be determined.
- the data transmissions take place on the one hand between each of the third-party vehicles and the central database device to store the values of the parameters for a georeference point and on the other hand between the central database device and the vehicle under consideration to retrieve the probability and, if necessary, the required parameter values by means of a data connection and /or a cellular network.
- Whether a third-party vehicle or a data record of a third-party vehicle is considered relevant for the requesting vehicle can be decided, for example, depending on the vehicle class and/or a time of day and/or a type of day etc.
- the probability in question is calculated using a ratio of the number of relevant third-party vehicles that have passed the queried geo-reference point and the number of those vehicles among the third-party vehicles taken into account for which the operational action for which the probability of existence is queried was present ( or at least to a relevant degree).
- the invention is based, among other things, on the idea that georeferenced probabilities for recuperation can be used to increase the efficiency of the control algorithms, in particular - but not only - in a method of artificial intelligence (e.g. Reinforcement Learning (RL) or Reflex-Augmented Reinforcement Learning (RARL)).
- RL Reinforcement Learning
- RARL Reflex-Augmented Reinforcement Learning
- a map with fleet data in which probabilities of recuperation (ie active recuperation of the electrical machine of the vehicle drive) are stored at georeference points along an expected route of the vehicle.
- probabilities for recuperation are stored at the reference points.
- the route information from the navigation device can be used to determine the georeference points that the vehicle will pass in the next few seconds (for example a prediction horizon of 10 or 30 seconds).
- characteristic charges that are to be expected in a vehicle type for the road type and for a given speed interval are determined according to one embodiment. For example, only reference points with a recuperation probability above a relevance limit (eg a threshold of 75%) are taken into account.
- the data is sent from the backend - i.e. the central database device - to the vehicle in real time or on a daily basis, or is stored there in a basic version.
- the characteristic charges can be calculated in accordance with an embodiment in the vehicle using physical models (for example kinetic energy, incline, etc.).
- the characteristic loads for the road type and the expected speed of the vehicle are added up so that a predicted load for the prediction horizon can be determined.
- the predicted loading of the prediction horizon is passed to the energy management algorithm (e.g. RARL).
- the energy management algorithm e.g. RARL
- RARL energy management algorithm
- the energy store can be preconditioned in order to be able to absorb all the energy from the predicted recuperation. Without preconditioning, it might not be possible to absorb all of the energy from recuperation, or only in a battery charging area with poor charge acceptance, which would lead to lower vehicle efficiency.
- the probability of a third-vehicle operational action is determined from a presence or absence or a degree of the third-vehicle operational action in a plurality of third-party vehicles.
- the vehicle under consideration can be enabled to make an improved prediction of its own vehicle electrical system operating actions. This applies in particular when the vehicle under consideration is in the situation (e.g. location, time, vehicle type, etc.) for which the probability of the third-party vehicle operating action was determined.
- a third-party vehicle operating action is to be understood in particular as an operating action (for example a drive, consumer and/or vehicle electrical system operating action) of another vehicle, in particular of the fleet.
- the probability is linked to a georeference, so that in particular the probability of the third-party vehicle operational action is determined for a specific georeference point.
- an operating state and/or an operating parameter can be predicted for specific locations—and thus in particular also for an expected route of the vehicle along a plurality of consecutive georeference points.
- the presence or absence or the degree of the third-party vehicle operational action is determined for each of the third-party vehicles at a geo-reference point or possibly in a geo-reference area around the point.
- a georeference point is to be understood in particular as a pair of coordinates (or another suitable definition of an area-free point) on a map, in particular of a navigation system, of the vehicle. Even if the geo-reference point is specified as a pair of coordinates, values of operational parameters or operational actions determined for this geo-reference point can relate to a geo-reference area that surrounds the geo-reference point. For example, two adjacent georeference points can have a georeference area that extends to the middle of the distance between the two georeference points.
- control device has a processing unit that is set up to, depending on the probability determined to determine on-board network operation action.
- the ascertained probability value for the third-party vehicle operating action can be included in the determination of the vehicle electrical system operating action to be selected.
- control device has an output unit that is set up to output a control command for the operation of the vehicle electrical system based on the specific vehicle electrical system operating action, in particular if the check by the reflex unit is positive.
- the processing unit is set up to determine the vehicle electrical system operating action as a function of a plurality of probabilities of the third-party vehicle operating action. As a result, the information quality of the probabilities used as an overall indicator for a prediction can be improved.
- the probabilities for different georeference points are determined, with each of the probabilities for a different georeference point being determined in particular.
- the probabilities for consecutive georeference points along an expected route of the motor vehicle are determined.
- the prediction of an operating state and/or an operating parameter can be related to situations that are similar in terms of the underlying location.
- the probability of the existence of a recuperation operational action in other vehicles at one or more georeference points can be used to decide for the vehicle under consideration whether conditioning its own energy storage device makes sense in the light of an expected charge quantity or not.
- an expected route can be understood in particular as the route currently provided by the navigation system and/or considered to be the most likely, in particular for the following near future in the order of magnitude of a few seconds to a few minutes.
- the plurality of probabilities in particular the plurality of consecutive geo-reference points for which the probability is determined in each case, is limited by a prediction horizon.
- the prediction - but in particular also the necessary data transfer - can be limited to that time window after which no meaningful reductions are possible anyway, because the probabilities of occurrence of a predicted scenario deviate from the predicted scenario due to the ever-increasing number of intervening factors , getting smaller.
- the prediction horizon is defined by an expected time delay until the associated georeference point is expected to be reached or by a number of consecutive georeference points.
- the vehicle electrical system operation action is determined, in particular only, on the basis of those geo-reference points whose ascertained probability value for the third-vehicle operation action corresponds to at least one relevance limit value, in particular 60% or 75% or 90%.
- the processing unit is set up to determine a charge quantity to be expected for each of the georeference points taken into account.
- the processing unit can be provided with a reliable basis for decision-making in the form of a parameter that enables an assessment of the size of the benefit to be expected (e.g. optimized charging) in relation to the disadvantage involved (e.g. preconditioning of the vehicle’s energy storage).
- Which georeference points are to be taken into account is determined in particular with a view to or as a function of the relevance limit value and/or the prediction horizon and/or the route to be expected of the vehicle.
- the charge quantity to be expected is determined in particular as a function of environmental parameters recorded for the geo-reference point and/or of at least one operating parameter of the third-party vehicles.
- An expected amount of charge is to be understood in particular as an amount of charge that results from the environmental parameters and the operating parameters of the vehicle at a specific georeference point or specific neighboring georeference points, taking into account the probability(s) determined.
- the processing unit is set up to determine the vehicle electrical system operating action on the basis of a characteristic indicator of the georeference point as a function of (I) the probability of the third-party vehicle operating action, or (II) one or more other environmental parameters known for the georeference point, to determine.
- the processing unit can use the characteristic indicator to decide whether a prediction based on physical relationships between the operating parameters and the environmental parameters of the vehicle is more promising, or a prediction based on the probability values for the operating action under consideration by the third-party vehicles, the better prediction basis can always be used for each georeference point to get voted.
- the physical connection can be used to determine the vehicle electrical system operating action to be selected.
- a characteristic indicator can assume the values "deterministic” or "probabilistic".
- the value "deterministic" can be assigned, for example, if a recuperation potential for a geo-reference point can be calculated quasi-deterministically as a function of the incline, the vehicle weight and the speed, or if the combustion engine has a start-stop shutdown a georeference point can be calculated quasi-deterministically as a function of the time of day or a day type (e.g. workday, public holiday, weekend day, travel day, vacation day on a commuter route, etc.).
- a day type e.g. workday, public holiday, weekend day, travel day, vacation day on a commuter route, etc.
- the value "probabilistic" can be assigned, for example, if there is a level road at the georeference point with different influences on the recuperation potential that do not follow a law, or if there is a start-stop shutdown of the combustion engine.
- control device in particular the input unit, is set up to obtain the values of the environmental parameters for the georeference points (i) online and/or currently from a central database device, and/or (ii) from a memory of the Control device, in particular the processing unit to relate.
- the reference from the central database device in particular a backend server, enables, among other things, a constant updating of the probability data.
- mixed operation in which a probability data record stored in the local memory of the control device is updated with data that has been updated in the meantime (update operation) not in real time but at regular or freely selectable or predetermined intervals. .
- the third-party vehicle operating action for which the probability is determined is at least one action from the following group: (1) a recuperation operation of the electric drive of the third-party vehicle, and/or (2) a temporary shutdown of the internal combustion engine of the Third-party vehicle with subsequent restart, and / or (3) a queried consumer power in the electrical system that is above a high-power limit or below a low-power limit.
- values for passing vehicles for various parameters can be determined/transmitted for each georeference point and stored in a, in particular central, database device, in particular:
- P re f (e.g. x-coordinate, y-coordinate, if necessary radius or similar. Description of a surrounding area
- Time of day (e.g. morning, daytime, evening, night)
- - Day type (e.g. working day, public holiday, weekend day, travel day, vacation day on commuter routes, etc.)
- Time of day (e.g. morning, daytime, evening, night)
- - Day type (e.g. working day, public holiday, weekend day, travel day, vacation day on commuter routes, etc.)
- the vehicle-related parameters are determined both by third-party vehicles and by the vehicle under consideration, used internally and, if appropriate (if a corresponding function is activated), transmitted to the central database device for each geo-reference point passed.
- FIG. 1 shows a diagram of the interaction of a control device according to an embodiment of the invention with a central database device according to an embodiment of the invention, and a fleet of third-party vehicles.
- FIG. 2 shows a schematic view of the control device from FIG. 1 when carrying out a method according to an embodiment of the invention.
- FIG. 3 shows a schematic view of a map with which the control device and the database device. 1 interact with a plurality of georeference points for which values for parameters are used when carrying out the method according to FIG.
- FIG. 4 shows a schematic view of the central database device from FIG. 1 when carrying out the method according to FIG. 6.
- FIG. 5 shows, in a schematic view, the determination of a probability of an operating action for relevant third-party vehicles as part of the implementation of the method according to FIG. 6.
- FIG. 6 shows a flowchart for carrying out a method according to an exemplary embodiment of the invention in an arrangement according to FIG. 1.
- FIG. 1 shows a diagram of the interaction of a control device 10 of a vehicle 1 according to an exemplary embodiment of the invention with a central database device 20 according to an exemplary embodiment of the invention and a third-party vehicle fleet 30 with a large number of third-party vehicles.
- the diagram also shows a map 2 whose underlying navigation datasets - and in particular the georeference points P re f specified on the map - are available both for the vehicle 1 and its control device 10 and for the central database device 20 .
- the vehicle 1 has a communication device 11 which is also connected to the control device 10 of the vehicle 1 and is set up to exchange data with a communication device 21 of the central database device 20 . In particular, this data exchange takes place via a mobile radio network 3 .
- the vehicle 1 supplies the central database device 20 in particular Values of the operating parameters present in the vehicle electrical system (i.e.
- an operating state BZ for each passed geo-reference point P re f and receives values for environmental parameters of geo-reference points P re f to be passed next and also values for the probabilities (in the exemplary embodiment at least one probability for a recuperation operation WREKU, possibly a probability of a start-stop operation WSSA) of certain third-vehicle operating actions, such as a recuperation operation REKU (possibly a start-stop operation SSA).
- the control device 10 has an input unit 12, a processing unit 13 and an output unit 14 and is set up to control an on-board network 15 of the motor vehicle 1 with this topology.
- the processing unit 13 is designed as a learning system, having a learning unit 16 for making decisions regarding possible vehicle electrical system operating actions B and a reflex unit 17 for checking the decision proposals of the learning unit 16.
- Each of the vehicles in the third-party vehicle fleet 30 also has a communication device, which is also used to transmit the current values of the operating parameters (in summary, the operating state) for each georeference point Pref passed to the central database device 20 and stored there in a database memory 22.
- the database device 20 has a computing server 23 which controls the database device 20 and manages the data inputs and data outputs when vehicles 1 make inquiries.
- each geo-reference point P re f there is a geo-reference point data record in the database memory 22, which, in addition to the values of the environmental parameters of the point (the environmental condition), also contains the large number of stored operating states of the third-party vehicles from the fleet 30 when they pass the respective geo-reference point, with each Operating state is defined by the totality of the values the individual operating parameters.
- each of the geo-reference point data records for the relevant point P ref contains a value for a probability of a specific vehicle electrical system operating action ( REKII and/or SSA in the exemplary embodiment) based on the operating states of the previously stored values, which is updated continuously or at predetermined intervals Passages of the various third-party vehicles at the georeference point.
- such a georeference point data set contains values for some or all of the parameters specified below:
- indicator for an atypical consumer performance of at least one consumer connected to the vehicle electrical system during the passage i i_
- FIG. 2 shows details of the information processing in the control device 10.
- FIG. 4 shows details of the information processing of the data supplied by the vehicles in fleet 30 in central database device 20.
- FIG. 6 shows an exemplary flowchart for important method steps of the exemplary method.
- FIG. 2 shows how the input unit 12 can use the communication device 11 of the control device 10 to determine the required parameter values for describing a current or future relevant operating state BZ and environmental state UZ.
- a higher-level vehicle controller (not shown) provides an expected route 4 (compare FIG. 3), which is defined by a track of consecutive georeference points Pref for the purposes of the exemplary embodiment of the invention.
- the environmental status UZ with the corresponding values of the respectively associated parameters relates in each case to a specific geo-reference point, which was determined as relevant using the left-hand data on map 2 in the navigation system (cf. Fig. 6, S110), normally because it is in lies on the expected Route 4 in the immediate future.
- the route 4 to be expected is marked by a trace of neighboring geo-reference points Prem to P re f,n+x.
- dotted lines indicate the georeference point P re f,n to which the information processing shown refers.
- this reference to the route 4 to be expected is entered symbolically in the map 2.
- the operating state BZ with the corresponding values of the associated parameters in each case relates to the current state of the vehicle 1 or its on-board network 15.
- the processing unit 13 can now access the current operating state BZ of the vehicle electrical system 15 and the vehicle 1 as well as the environmental state UZ of the geo-reference point P re f under consideration in order to make a decision about possible vehicle electrical system operating actions B.
- the latter contains in particular a value WREKU for the probability of the third-vehicle operating action REKU.
- a learning unit 16 of the processing unit 13 proposes a suitable operating action B, which corresponds to a predetermined operating strategy that may have been supplemented and/or replaced by previous learning processes.
- a reflex unit 17 of the processing unit 13 checks the proposed operational action B for suitability according to a predetermined strategy and transmits a reward or a punishment to the learning unit 16 depending on the result of the check. If the action B is rejected by the reflex unit 17, the reflex unit 17 can also forward a modified, permitted operational action B' to the output unit 14.
- the task of the output unit 14 is to trigger a decided (see FIG. 6, S160) operating action B (or B') in the vehicle electrical system 15.
- the resulting change in the operating state BZ can be reported back directly to the input unit 12 or in abstract form to the learning unit 16 in the form of a delayed reward/punishment.
- a typical possible vehicle electrical system operating action B is conditioning of the energy store E of the motor vehicle, in particular in the sense of an intentional discharge when the charge contribution is to be expected (indicator: high recuperation probability for the next georeference point or points) or in the sense of an intentional charge when Expected discharge contribution (indicator: high start-stop probability for the next georeference point or points).
- FIG. 3 shows what information is stored in database memory 22 as a function of an associated georeference point P ref , and on the basis of which logic this is queried by control device 10 of motor vehicle 1 .
- a route 4 to be expected is known for the control device 10, which route is defined by a track 5 of consecutively adjacent georeference points P ref .
- the control device 10 uses the communication device 11 to query the central database device 20 for the information stored about the corresponding points P ref . If necessary, these can be parameters of the operating status of third-party vehicles from the fleet 30, but are usually at least the parameters of the environmental status UZ. In the present case, in particular, there is also at least the probability of a recuperation operating action B for those third-party vehicles that have already passed the corresponding georeference point earlier and have left a data record for this in the central database device 20 .
- a data record is stored in the database memory 22 for each georeference point P ref on the map 2, which record contains the definition of the point and its environmental status UZ, as well as a large number of operating statuses of those vehicles in the fleet 30, which have already passed the Pref georeference point at an earlier point in time.
- FIG. 5 shows how a probability for the presence of a specific third-vehicle operational action, here a probability for the presence of a recuperation operational action REKU, can be determined from this data.
- This probability can either be determined by means of the computer server 23 of the database device 20 and transmitted in advance to the control device 10 of the vehicle 1, or the stored bases for the calculation are transferred to the control device 10 and the determination itself is carried out there. In both cases, the determination can be carried out as shown in Figure 5:
- the vehicle 1 uses its control device 10 (not shown in FIG. 5) to request the data records for the associated georeference point or points P ref , taking into account the route 4 to be expected.
- the respective data record stores how many vehicles have passed the corresponding georeference point in the past.
- ten vehicles are shown in a very simplified manner.
- the data set shows that the indicator IREKU for the presence of a recuperation operational action REKII is set for eight vehicles (icons with dark background), but not for two vehicles (icons with light background).
- seven relevant vehicles remain, six of which have set the IREKU indicator.
- This probability WREKU is also compared with a predetermined relevance limit value Wrei, which is 0.75 in the exemplary embodiment (compare FIG. 6, S130). Since the probability is higher than the relevance limit value, it is taken into account when deciding on possible vehicle electrical system operating actions B.
- the decision is made in particular on the basis of expected (discharge) charge amounts or (discharge) charge contributions, which are determined as a function of the probabilities WREKU and/or possibly WSSA that are determined and must be taken into account.
- expected (discharge) charge amounts or (discharge) charge contributions are determined as a function of the probabilities WREKU and/or possibly WSSA that are determined and must be taken into account.
- step S 110 the route 4 to be expected with the georeference points Pref located thereon along the track 5 is first determined.
- step S 120 it is determined--in particular according to FIG. 5--for all geo-reference points P ref on track 5 whether they lie within a prediction horizon HPR ⁇ D .
- the probability WREKU for a recuperation operational action and/or possibly WSSA for a start-stop operational action WSSA for the third-party vehicles in the fleet 30 considered is determined.
- step S 130 those georeference points P ref are identified for which the determined value for the probability WREKU (or WSSA) is above a relevance limit Wrei in order to identify those cases in which an improvement in the prediction - in particular compared to a physical determined determination of a (discharge) charge contribution - is at all possible.
- the charge contribution to be expected is then determined in step S 140 for all identified geo-reference points.
- a characteristic indicator IC is determined in step S 141, which can result, for example, from a road type S, a direction of travel R and/or in particular an incline G at the georeference point under consideration, and makes a statement about how reliable an expected charge contribution can be determined on the basis of the physical conditions surrounding the georeference point.
- Values for the characteristic indicator lc can, for example, be "deterministic” or “probabilistic”, depending on whether a specific operational action typically occurs for a specific georeference point, or whether such a clear statement is not possible.
- step S 150 the sum of the charge contributions of the individual geo-reference points to be taken into account along track 5 of expected route 4 is transmitted to input unit 12 (via communication device 11).
- step S 160 the processing unit 13 decides on possible operating actions B of the vehicle electrical system 15 on the basis of the sum transmitted.
- step S170 the operational action B is performed if the processing unit 13 has instructed the output unit 14 accordingly and the output unit 14 has output a corresponding control command.
- the operating action B is, for example, a conditioning of the energy store E of the vehicle 1 with regard to an expected (discharge) quantity of charge.
- the conditioning can include a targeted discharging of the energy store E if, on the basis of a probability WREKU, a larger amount of charge that will soon be available is to be expected.
- the conditioning can include a targeted charging of the energy storage device E if, on the basis of a probability WSSA, a larger amount of charge to be made available soon is to be expected.
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Abstract
Description
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US18/011,409 US20230303053A1 (en) | 2020-08-19 | 2021-08-06 | Control Device and Method for the Predictive Operation of an On-Board Power Supply System |
KR1020227043060A KR20230008194A (ko) | 2020-08-19 | 2021-08-06 | 온-보드 전원 공급 시스템을 예측적으로 작동시키기 위한 제어 장치 및 방법 |
CN202180044737.1A CN115776959A (zh) | 2020-08-19 | 2021-08-06 | 用于预测运行车载供能电网的控制装置和方法 |
JP2022580793A JP2023537820A (ja) | 2020-08-19 | 2021-08-06 | エネルギー車載電気システムを予測的に動作させる制御装置及び方法 |
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DE102020121696.3 | 2020-08-19 | ||
DE102020121696.3A DE102020121696A1 (de) | 2020-08-19 | 2020-08-19 | Steuervorrichtung und Verfahren zum prädiktiven Betreiben eines Energiebordnetzes |
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CN116663436B (zh) * | 2023-08-02 | 2023-10-27 | 中国人民解放军陆军装甲兵学院 | 一种基于智能优化算法的车载电源系统参数匹配方法 |
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DE102020121696A1 (de) | 2022-02-24 |
US20230303053A1 (en) | 2023-09-28 |
JP2023537820A (ja) | 2023-09-06 |
KR20230008194A (ko) | 2023-01-13 |
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