CN102248946A - Management method of reachable scope of vehicle with motor drive and apparatus thereof - Google Patents

Management method of reachable scope of vehicle with motor drive and apparatus thereof Download PDF

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Publication number
CN102248946A
CN102248946A CN2011100925070A CN201110092507A CN102248946A CN 102248946 A CN102248946 A CN 102248946A CN 2011100925070 A CN2011100925070 A CN 2011100925070A CN 201110092507 A CN201110092507 A CN 201110092507A CN 102248946 A CN102248946 A CN 102248946A
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China
Prior art keywords
destination
vehicle
point
attainability
chaufeur
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Granted
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CN2011100925070A
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Chinese (zh)
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CN102248946B (en
Inventor
F·科比拉
B·伦特尔
M·莱克
G·施蒂布纳
A·恩格斯伯格
W·珀克米勒
T·毛斯巴赫
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0097—Predicting future conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/60—Navigation input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle for navigation systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Abstract

The invention refers to a management method of a reachable scope of a vehicle with a motor drive, which is based on a vehicle energy consumption model, available energy quantity and a street database. The evaluation of a reachable scope of driving roads on which the vehicle can drive is realized; the output of the driving roads on which the vehicle can drive is realized based on a form of the destination reachability of a vehicle driver, wherein the evaluation of a reachable scope is performed through a guided system with the street database and a vehicle control device which changes information with the guided system such that the continuous reachability of a reference point after a destination is arrived.

Description

But the method and the device of management with coverage area of motor-driven vehicle
Technical field
The present invention relates to the energy consumption model based on vehicle, operational quantity of energy and street data bank, but be used to have the method for the coverage area management of motor-driven vehicle.In addition, but the present invention relates to be used to have the device of the coverage area management of motor-driven vehicle, have navigationsystem, controller of vehicle and the feedback unit of the chaufeur of vehicle.
Background technology
For having motor-driven vehicle, but be to compare obviously limited coverage area as the major limitation of the chaufeur of elec. vehicle, mixing or fuel-cell vehicle, but should coverage area be to have the distance that motor-driven vehicle can travel with traditional vehicle.When the vehicle that drives when (just being) motor ground stopped owing to energy shortage, such vehicle possessed the possibility of simple fuel up unlike the self-propelled vehicle with traditional combustion engine.Therefore, but coverage area management and inform that chaufeur is significant about the attainability of the destination of travelling.
Exist different being used to that but the method for the current coverage area of vehicle is shown, but comprising the alphanumeric expression of minimum or average coverage area, and in cartographic representation outstanding current accessible area of space.Similarly, the known attainability that in having the navigationsystem of digital street map, shows the navigation destination of being imported.But owing to have the less significantly coverage area and the current long charging duration of motor-driven vehicle, owing to worry stopping of vehicle, but can expect acceptance loss for chaufeur.From the chaufeur viewpoint, not only the attainability of current destination is important, and to go up follow-up attainability also be important battery-charging station or bunkering statian or time with place of the interface that is connected to the electric current coupling end.
DE 102006034408A1 discloses by means of the navigationsystem with digital street map, and the chaufeur that is used for having the vehicle of combustion engine guides to the method for the destination of travelling from the current location of vehicle.To this, can obtain being used for the fuel stock of the driving of vehicle, but wherein determine the coverage area of vehicle according to this fuel stock and consumption characteristics.But this navigationsystem determine within determined coverage area by the current location of vehicle route to the destination of travelling, this makes being complemented into for may of fuel stock.At this, navigationsystem guides to the destination of travelling with chaufeur, wherein determines consumption characteristics according to the distance section that is crossed with about the information of the amount of supplying of fuel.At this, but do not use the homing advice on the vehicle-mounted electrical system of vehicle and determine the coverage area of the remainder of vehicle according to vehicle and/or chaufeur.
Summary of the invention
But task of the present invention is to provide the method for improvement of management of the coverage area that is used to have motor-driven vehicle and the device of improvement, and information disappearance up to now, go up the attainability of battery-charging station after the current destination or the destination of travelling or bunkering statian about the time wherein should be provided for the chaufeur of vehicle.
But by the method for management of coverage area that is used to have motor-driven vehicle according to claim 1; According to the computer program of claim 9, in particular for the computer program of navigationsystem; But and solve task of the present invention according to the device of management of coverage area that is used to have a motor-driven vehicle of claim 10.Provide the favourable design plan of the present invention by separately dependent claims.
But according to the management-method of coverage area of the present invention based on the energy consumption model of vehicle, in vehicle the digital street data bank of operational quantity of energy and preferred digital street data bank, preferred navigationsystem or device.According to the present invention, but carry out the running section that vehicle can travel coverage area estimation and be the chaufeur that form is exported to vehicle with it with the sure, possible of destination and/or the attainability of negating.Navigationsystem by having the street data bank and with the controller of vehicle (Vehicle Control Unit) of its exchange message but combined action carry out the estimation of coverage area, wherein draw the attainability of the continuation of the R point after arriving the destination.At this, navigationsystem preferably the data line by electric or light and controller of vehicle communicates to connect or navigationsystem and controller of vehicle wirelessly by the radiocommunication swap data.
But comprise navigationsystem or device, controller of vehicle (Vehicle Control Unit) and to the feedback unit of the information of the chaufeur of vehicle according to coverage area management-device of the present invention.At this, but the estimation that this device draws the coverage area of the running section that vehicle can travel by means of the energy consumption model of street data bank, vehicle and operational quantity of energy, wherein feedback unit is the chaufeur that running section that form can be travelled is exported to vehicle with the attainability of sure, possible and/or the destination of negating.At this, navigationsystem is preferably by the data line of electric or light or by radiocommunication and controller of vehicle exchange message, but wherein can so carry out the estimation of coverage area, promptly can draw the attainability of the continuation of the R point after arriving the destination.Preferably can export the attainability of R point by means of feedback unit.
The present invention has reacted the demand of chaufeur, can always reach relevant charging or fuel up position, and make chaufeur not worry that vehicle stops, because chaufeur always is apprised of, whether it can find charging or fuel up position and where can find charging or fuel up position.According to the present invention, this especially can realize for the residence because in the residence can by means of economy recharge simply and easily to electric vehicle charging.But can in the management of the coverage area of already present vehicle, be implemented according to method of the present invention.In addition, but can also be with management according to the traditional coverage area of device of the present invention conversion.To set forth preferred form of implementation below, it need not to limit the interests of chaufeur, has just limited the required computing power of the navigationsystem that is used to calculate the attainability of travelling the sure, possible of destination and negating.Can preferably be converted to computer program or computer program according to method of the present invention, be particularly useful for the computer program or the computer program of navigationsystem, wherein computer program has program code, in order to carry out this method.This program code for example be stored in machine-or computer-readable carrier on.
Go up computing time of the present invention or according to the attainability of the R point of highway section after the destination of activating or one or more potential destination, these destinations are stored in the destination memory device of the preferably preferably separation in navigationsystem.R point can be clearly stated the place as next charging or fuel up process in vehicle.Foundation method of the present invention and foundation device of the present invention or foundation system of the present invention are used on estimated time or the attainability of the continuation of the R point after one or more destinations that limit on the place, and be used for feedback to chaufeur, wherein pass through the attainability of the continuation of energy consumption model estimation purpose ground and R point, energy consumption model is based on the expenditure of energy of vehicle, and based on navigationsystem with street data bank, and the street data bank is preferably to be form with the numerical map, replenishes the street data bank by additional information in case of necessity.At this, so navigationsystem is connected with controller of vehicle, so that data can be intercoursed in two unit.
Except one or more destinations, preferably each destination is limited unique R point.Yet it also is possible that each destination is limited two or more R points.At this, can use the following method that is used for determining R point, wherein can change the method for determining of R point by the user.R point for example is place or the R point of being imported clearly by chaufeur, for example work place or charging or the fuel up position as " family " or residence storage.In addition, before the beginning of travelling of ensuing stroke, the location information about the departure point of stroke of application memory in memory device is possible at least.At this, can calculate at vehicle and stopped last time and the time of vehicle between restarting.Under the enough short situation of the standing time of vehicle, ignore departure point, so that guarantee fault-tolerant for of short duration the stopping expectation or non-expectation (obstruction) during having a plurality of sections stroke.At this, in particular, standing time can be included the standing time that spends the night, and this has improved the probability of getting back to departure point after the restarting of vehicle once more.
If preferred R point is known, the relevant battery-charging station that it is especially nearest, for example predetermined in advance battery-charging station or recycle bin under the bad situation of vehicle condition or fuel up position.In addition, R point can be the R point of understanding systematicly, its for example in the past charging or the situation of fuel up process etc. under dot information epistemically.What day and time this process of cognition can consider, so that learn the behavior of driver habits, and the behavior of for example charging.Additionally, can predict the possible R point of next stroke, wherein chaufeur can change this R point certainly.In addition, preferably, R point is the R point in the place that can reach best in the tabulation of R point accordingly in case of necessity, and wherein this R point can be fed back to the user clearly.
Different R points can be stored in the distinctive R point memory device, and it preferably is set in the navigationsystem, wherein selects the current effective R point separately for stroke.The place that is stored in the memory device of destination can be used as the R point use, and wherein similarly, the destination memory device preferably is set in the navigationsystem.Under the situation of the destination navigation that activates, preferably (also) considers current destination always under the situation of the attainability of the continuation of the R point after arriving at the destination estimation.
In particular, chaufeur obtains the feedback visual or vision about the attainability of the R point after the destination, for example in navigation map, where necessary in the graph page of the navigationsystem of being arranged and/or in the gauge panel.Visual feedback can have the destination navigation of activation, also can not have the destination navigation of activation, wherein can select different separately demonstrations.Can be especially when no longer arriving at the destination reliably or during relevant R point, the visual of R point supported on sense of hearing ground.Do not carry out the calculating of the attainability of the one or more R points after the destination not continuous in timely, but with the interval of bigger rule, carry out the calculating of the attainability of the one or more R points after the destination by energizing signal, so that the little computation burden in the maintenance system with triggering.The differentiation time controllably triggers, and for example controllably triggers every 5 minutes and incident, for example for the activation of higher relatively electric flux consumption or forbid.The new calculating of attainability is carried out in the requirement that can also be by chaufeur or the change of traffic, and this is preferably similarly by corresponding energizing signal conversion.
If the R point after destination planning in advance or that limit is identified as and can not be reached, then can begin other action, the driver information about the being unreachable to property of R point is shown near the battery-charging station for example illustrating or bunkering statian or video ground and/or audio frequency.At this, in general-duty is represented, for example in navigation map, but preferably the illustrating with total coverage area radius of attainability of the destination of destination memory device combined.For when the slow system start-up, for example the length of the navigationsystem when vehicle launch the unloading phase in, also can be immediately provide information about the attainability of the continuation of destination and R point to chaufeur, that the attainability of continuation that can a plurality of destinations of preliminary evaluation in the memory device of destination and last time are activated or additionally determine, the attainability of the continuation of R point understanding or that limit for example, and it is stored in the nonvolatile memory, and when vehicle launch, it is read immediately and illustrates.If, then omitting the attainability that continues subsequently in particular corresponding to the destination of the destination navigation that activates, R point estimates.
Description of drawings
To further explain the present invention by means of embodiment according to appended accompanying drawing below.In the scheme drawing:
Fig. 1 shows the block scheme according to the form of implementation of method of the present invention, similarly will further explain the embodiment of foundation device of the present invention according to it;
But Fig. 2 shows the foundation coverage area of the present invention in the diagram of feedback unit, that realize with the general-duty classification of the attainability of destination or the estimation of attainability; And
Fig. 3 shows has the graphical output element that two arrows are used for feedback unit, and this arrow can differently be illustrated according to the attainability of destination or R point.
The specific embodiment
According to the present invention, referring to Fig. 1, but will so being extended to, the feedback of coverage area has motor-driven vehicle, the chaufeur of elec. vehicle, mixing or fuel-cell vehicle for example, that is, for example under the situation of the destination navigation that activates, getatability except the notice destination, or for example under the situation of no destination navigation, except the attainability of notifying a plurality of destinations, also the time of driver charging always or fuel up facility is gone up follow-up attainability.This information has improved chaufeur always can also be with the reliability of vehicle ' to charging or fuel up position after current destination.At this, should give so possibility of chaufeur, can be after the current destination of travelling, estimation is described to the attainability in such place of R point hereinafter.Thus, but make chaufeur in the estimation of coverage area, the backhaul of near R point to take into account, this backhaul is important under the situation that tangible diff-H is arranged between the departure point of stroke and the destination for example, because going journey different significantly mutually, or make it possible to reach another charging or the fuel up position that maybe can reach after the destination for chaufeur is given in current destination or travels with the expenditure of energy separately in the backhaul.
Preferably, for this reason, in the destination memory device that is provided with extraly, so-called R point memory device, the especially so-called R point memory device in homing advice, each destination in the memory device of destination is limited R point, at least one R point is defined as the destination of travelling of to be reached other after the destination.But subsequently this R point is carried out the estimation of coverage area, it draws the attainability of destination and the R point of following to be reached.That is, but unceasingly or sequentially carry out the estimation of coverage area, wherein calculate and the follow-up attainability of output destination and R point, it especially can visually be realized and can support realization by audio frequency ground in case of necessity.
Realize this output by feedback unit with the form of the visible feedback by navigationsystem or gauge panel in particular.But Fig. 2 shows the combination of attainability information with the expression of the general-duty coverage area of the form of the classification of attainability, does not wherein preferably realize target navigation by navigationsystem.As shown in Figure 3, in addition, in particular, similarly, the destination navigation that need not the activation by navigationsystem realizes that the feedback of separating of the attainability of destination and R point is possible, wherein, arrow correspondingly can be painted according to the attainability-left arrow of destination-and the attainability-right arrow of R point.Green is used for failure-free, and promptly sure reaches, and yellow is used for insecure, and promptly possible reaches, and redness is used to be unreachable to, and that promptly negates reaches.
In addition, similarly, under the situation that does not activate destination navigation, can realize the tabulation of the destination of destination memory device, after this destination, can (affirm) reliably, possibly or can not (negate) to reach R point.Activating under the situation of destination navigation, preferably, for example in the set graph page of navigationsystem, in gauge panel etc. output about the attainability of R point in the feedback of navigation map separation.
Subsequently, for travelling beginning and during travelling, automatically and with clocklike at interval and/or on the rational time point of determining, carry out the estimation of the attainability of destination and R point.In addition, preferably use the energy storage of vehicle or the current charge condition of battery (State of Charge).In addition, use from the current vehicles position to the memory device of destination and destination that in the R point memory device, limits and the operational route information of R point according to the street data bank of navigationsystem (with reference to hereinafter).According to the present invention, navigationsystem at least with interval calculation clocklike from the current vehicles position to the memory device of destination and the route of destination that in the memory device of reference, limits and R point, and be calculated to the destination of travelling by means of the energy consumption model of vehicle and current charge condition in addition and estimate energy needed consumption.
To this, navigationsystem is connected with the controller of vehicle of vehicle, and wherein two devices are intercoursed information.At this, preferably, navigationsystem and controller of vehicle or the electric or optical information of vehicle control apparatus exchange.At this, at least one unidirectional connection is set, it starts from controller of vehicle, informs the navigationsystem charge condition.Substitute charge condition, can use other values arbitrarily, but as long as the quantity of energy of its also operational coverage area of expression or vehicle.Under the situation of fuel-cell vehicle, it can fully be the amount of also available fuel or power fuel, and it can be converted into the performance mumber at the fuel cell of electrical energy of the electrical motor that is used for fuel-cell vehicle.
Because the attainability of constantly calculating a plurality of destinations in the networking, street and R point may cause the high computation burden of navigationsystem, so design plan of the present invention is so constructed, promptly carry out the new calculating of attainability with rational time gap.This can be by being used for new calculating the application of energizing signal realize.This can controllably realize the time, and for example, every 3 or 5 minutes, or incident controllably realized, for example for the activation of higher relatively electric flux consumption or forbid.The new calculating of attainability is carried out in the requirement that can also be by chaufeur or the change of traffic, and this is preferably similarly by corresponding energizing signal conversion.
Because when the system start-up of navigationsystem, can continue for some time, so get into smooth up to navigationsystem, but promptly can carry out the estimation of coverage area, under extreme case, continue time, in preferred form of implementation, under the situation that stops and/or leaving of vehicle greater than 1 minute, before the stopping of navigationsystem, carry out destination and R point attainability calculating and the result is stored in the nonvolatile memory, for example in flash memory, hard disk, SD card or the USB flash disk.
Subsequently, when the restarting of navigationsystem, the result of this last time can be used as the first information and feed back to chaufeur immediately.Yet if vehicle charges or fuel up during this period, this information should be suppressed.So make up form of implementation of the present invention, promptly after process of charging finishes, but similarly carry out the calculating of coverage area automatically and the result is stored in the nonvolatile memory, so that when vehicle launch, can use this result immediately.
The block scheme that will illustrate therein according to the further explanation of Fig. 1 below.Referring to Fig. 1 left side, carry out the input of automatic destination at first in case of necessity and/or in relevant destination memory device, change by the chaufeur of user or vehicle.This can for example be destination or the R point of importing extraly; The collection point; Destination and/or the most normal destination or the R point of travelling of travelling that travelled last time, in case of necessity selected.
Then, by means of operational (remaining) quantity of energy, but carry out relevant destination and distribute to the estimation of coverage area of its R point based on the energy consumption model of vehicle and street data bank.This to be clocklike carrying out at interval and/or according to energizing signal (participating in above), but wherein the results estimated of coverage area is offered feedback unit.
Preferably, feedback unit is the part of navigationsystem.Yet it also is possible that feedback unit is integrated in other devices of vehicle or the control desk.For example, it is favourable feedback unit being integrated in the gauge panel.Preferably, but in controller of vehicle, calculate the energy consumption model of the estimation be used for coverage area, subsequently this controller of vehicle with the mode that is fit to also operational (remainder) of vehicle but coverage area exports navigationsystem to.Subsequently, but navigationsystem finish coverage area and estimate and draw the attainability of destination and R point and export it to chaufeur with the form that is fit to by feedback unit.
Yet, but the estimation of only calculating coverage area in navigationsystem also is possible, wherein energy consumption model is implemented in the navigationsystem subsequently.This navigationsystem only needs following information subsequently, promptly also has how many operational electric energy and maybe can also need not to recharge or how many electric energy fuel up produces by fuel cell.In this form of implementation, the unidirectional connection from controller of vehicle to navigationsystem is enough subsequently, this navigation system chronically or with the time gap determined this information is provided.
In addition, according to the present invention, not only calculate and the attainability of output destination and R point is possible, but also can calculate and export, vehicle is to recharge during this period or whether fuel up can be sailed back departure point once more or drive towards other destinations of travelling.
The street data bank can be understood that it is numerical map at least, and it is provided for navigationsystem.The street data bank can not only comprise geography information in preferred mode of the present invention, but also comprises about the relevant street segments and the current status data of traffic.That is, the street data bank can comprise additional information, and as operational obstruction or traffic message, it is provided to navigationsystem or its map material by data channel.This can pass through traffic information, and for example TMC (Traffic Message Channel) message realizes.
In addition, the street data bank can comprise additional information, and it for example can for example obtain in the average ground speed from the statistical analysis of the data of the measured custom of travelling about vehicle or chaufeur.Additionally, can replenish the street data bank, promptly consider the custom of travelling (acceleration that chaufeur is specific and braking procedure, speed (in the urban district, outside the urban district, express highway) etc.) of chaufeur in the specific mode of chaufeur.In addition, the street segments of being travelled by relevant chaufeur can so be considered, promptly thinks the identical chaufeur identical street segments of travelling in a similar fashion.

Claims (10)

  1. But 1. be used to have the method for management of the coverage area of motor-driven vehicle, its energy consumption model, operational quantity of energy and street data bank based on described vehicle, wherein:
    But the estimation of the coverage area of the running section that realization can be travelled by described vehicle, and be the output that form realizes the described running section that travels with the attainability of the destination of the chaufeur of described vehicle, it is characterized in that:
    But the navigationsystem by having the street data bank and by so carrying out the estimation of described coverage area with the controller of vehicle of described navigationsystem exchange message promptly draws the attainability of the continuation of the R point after arriving described destination.
  2. 2. method according to claim 1 is characterized in that, described destination is by the destination of the current input of described chaufeur or the destination in the memory device of destination Already in, and
    One or more R points are distributed to each destination, but wherein the estimation of the coverage area by described continuation draws the attainability of a preferred destination and R point or the attainability of a plurality of destination and R point, wherein
    Preferably, manually, automatically and/or by telecommunications service automatically carry out of the distribution of described one or more R point to the destination by described street data map by described chaufeur.
  3. 3. according to any described method in the aforementioned claim, it is characterized in that, described R point be the place that is stored as the dwelling, by the place of described chaufeur input, the time on after the standing time of relatively growing of described vehicle stroke departure point, be arranged in the battery-charging station that is adjacent to the destination or bunkering statian, by the place of understanding systematicly and/or from the place to be reached of the best of the tabulation of R point, wherein
    Described R point is stored in the R point memory device that preferably belongs to described navigationsystem.
  4. 4. according to any described method in the aforementioned claim, it is characterized in that described chaufeur is visually informed the attainability of R point, wherein
    Under the situation of the destination navigation that does not activate described navigationsystem, in the described attainability of R point is in the general-duty classification of described attainability, as feedback of separating and/or the tabulation in described destination, come together to be notified to described chaufeur with affiliated R point in case of necessity, and/or
    Under the situation of the destination navigation that activates described navigationsystem, the described attainability of R point is notified to described chaufeur as the feedback of separating with the navigation map of described navigationsystem.
  5. 5. according to any described method in the aforementioned claim, it is characterized in that, trigger the attainability estimation that described continuation is carried out on ground by energizing signal, wherein
    Energizing signal preferably with clocklike, the time gap predesignated; Electrical load activate and/or the situation of forbidding under; Be output by the requirement of described chaufeur and/or the variation of traffic.
  6. 6. according to any described method in the aforementioned claim, it is characterized in that, under the situation of the attainability of negating of the R point of determining, notify accessible battery-charging station or bunkering statian near the described chaufeur, and/or described chaufeur by the vision ground and/or the sense of hearing inform the described negative attainability of described definite R point.
  7. 7. according to any described method in the aforementioned claim, it is characterized in that, after described vehicle stops or after charging or the fuel up process, carry out described method, the information that the attainability of wherein said continuation is estimated is stored in the nonvolatile memory, reads this memory device when the restarting of described vehicle.
  8. 8. according to any described method in the aforementioned claim, it is characterized in that, if described R point is not then carried out the attainability of described method or described continuation and estimated with identical by the described destination of the destination navigation of the activation of described navigationsystem.
  9. 9. the computer program that has program code, in particular for the computer program of navigationsystem, described program code is used for when described computer program is implemented on computers, carries out according to any described method in the claim 1 to 8.
  10. 10. but be used to have the device of the coverage area management of motor-driven vehicle, have navigationsystem, controller of vehicle and to the feedback unit of the chaufeur of described vehicle, wherein
    But carry out the estimation of the coverage area of the running section that described vehicle can travel according to the energy consumption model of street data bank, described vehicle and operational quantity of energy, and described feedback unit is exported the described running section that travels with the form of the attainability of destination to the described chaufeur of described vehicle, it is characterized in that
    Described navigationsystem and described controller of vehicle exchange message, and can so carry out the estimation of described attainability, promptly can draw the attainability of the continuation of the R point after arriving described destination, wherein can export the described attainability of described R point by means of described feedback unit.
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