CN102765387A - Method for selecting an operation mode of automobile - Google Patents

Method for selecting an operation mode of automobile Download PDF

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Publication number
CN102765387A
CN102765387A CN2012101357407A CN201210135740A CN102765387A CN 102765387 A CN102765387 A CN 102765387A CN 2012101357407 A CN2012101357407 A CN 2012101357407A CN 201210135740 A CN201210135740 A CN 201210135740A CN 102765387 A CN102765387 A CN 102765387A
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China
Prior art keywords
operation scheme
automobile
parameter
described method
perhaps
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Granted
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CN2012101357407A
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CN102765387B (en
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M.M.韦尔赫费尔
R.科恩哈斯
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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
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18018—Start-stop drive, e.g. in a traffic jam
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14—Adaptive cruise control
    • B60W30/143—Speed control
    • B60W30/146—Speed limiting
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • 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
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/082—Selecting or switching between different modes of propelling
    • 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
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • 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
    • B60W2050/0062—Adapting control system settings
    • B60W2050/007—Switching between manual and automatic parameter input, and vice versa
    • B60W2050/0072—Controller asks driver to take over
    • 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
    • B60W2050/0062—Adapting control system settings
    • B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0695—Inertia
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/1095—Inertia
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B60W2520/105—Longitudinal acceleration
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/12—Lateral speed
    • B60W2520/125—Lateral acceleration
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/14—Yaw
    • 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
    • B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
    • B60W2530/10—Weight
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope
    • 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
    • B60W2556/10—Historical data
    • 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
    • B60W2720/00—Output or target parameters relating to overall vehicle dynamics
    • B60W2720/10—Longitudinal speed
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84—Data processing systems or methods, management, administration

Abstract

The invention relates to a method for selecting one operation mode (B1-B3) of an automobile from a set of multiple operation modes (B1-B3). According to the invention, the value of a driving dynamic state parameter (Z) at one operation mode is detected whether it will exceed the specified range. One operation mode (B1-B3) is selected according to the detection result, and corresponding signals (S1-S3) are generated and indicate the driver to regulate the selected operation mode (B1-B3) or start and automatically change the operation mode (B1-B3).

Description

Be used to select the method for automotive operation mode
Technical field
The present invention relates to a kind of Setup and choice method for operating mode and corresponding device thereof of automobile of automobile.
Background technology
Prior art discloses a series of systems that are used for fuel saving.A kind of in these systems for example is a kind of so-called starting-stop operatorless device.When the running state of power-transfer clutch and operation drg when meeting certain regulation said operatorless device automatically closing automobile be in the combustion engine of the automobile in the halted state.Can reach a plurality of percentage points of fuel saving in this manner.Another has been disclosed to be used for energy-conservation system and for example to be switched to the higher gear that combustion engine can more fuel-efficient operation by arrow indication chaufeur.Through this measure driving engine high speed rotating no longer, but and also fuel saving of this system.Except described motoring condition, also have many other running statees, but in these running statees the operation scheme saving in energy through changing automotive fittings or reduce wearing and tearing.
Content of the present invention
Therefore task of the present invention provides a kind of method and apparatus that is used to select the operation scheme of automotive fittings, but in said operation scheme saving in energy or reduce the wearing and tearing of structure member.According to this task of the present invention through claim 1 and in claim 10 regulation characteristic be accomplished.Other scheme of the present invention is the theme of dependent claims.
Suggestion is different operation scheme according to the present invention, for example different driving engines-or the clutch state inspection, the numerical value of the dynamical state parameter of when carrying out this operation scheme, going, for example whether the numerical value of the speed of automobile surpasses the number range of regulation.Result based on inspection selects certain method of operation then, and produces corresponding signal, and said signal indication driver regulates the selected method of operation.This signal also can start automatic change operation scheme selectively.For example can reduce consumption of fuel in this manner widely or reduce brake wear.
When the result of the inspection of state parameter is, it can surpass the number range of regulation in future, then affiliated operation scheme preferably will not be adopted as not allowing.Otherwise this mode is handled preferably as the selection that can select.Use if there are a plurality of operation scheme to can be used as possible selection, then preferably select such operation scheme, promptly it can full out reach the purpose of regulation, for example minimum consumption of fuel, perhaps minimum wearing and tearing.
About " operation scheme " this notion according to the state that is interpreted as one or more automotive fittings on the principle of the present invention.For example power-transfer clutch, the perhaps state of driving engine.A kind of operation scheme for example can comprise clutch state, particularly " engages (eungeknppelt) " or " separately (ausgekuppelt) ".It for example also can comprise the running state of the driving engine that is used to drive automobile, " breaking off (the ausgeschaltet) " state of particularly " connecting (eimgeschatet) " perhaps.Another parameter of operation scheme also can be the operational mode of driving engine.When automobile has a combustion engine, for example have the inertia operation-this kind combustion engine in service provide drag torque-with the operation of going-be accelerated at this kind automobile in service-branch.If automobile has one or multiple electric motors, the branch of the generator operation and the operation of going is arranged correspondingly then.
Comprise at least two kinds of operation scheme in the following operation scheme according to one group of operation scheme of stipulating of a kind of special form of implementation of the present invention: a) combustion engine is moving, and driving device engages; B) combustion engine is moving, and driving device separates; C) combustion engine breaks off, and driving device separates.
In having the automobile of a plurality of driving engines, for example in hybrid vehicle, when inspection, can consider the different operation states of single driving engine and/or the different operational modes of driving engine with combustion engine and Vidacare corp.
According to a kind of method that is used at least two different operation scheme of a kind of simple especially form of implementation design of the present invention; Wherein, First kind of operation scheme for example is a kind of like this motoring condition, and promptly combustion engine is in operation in this motoring condition, and driving device engages; Second kind of operation scheme is a kind of like this state, and promptly combustion engine is in operation in this state, and driving device separates.As stated, every kind of operation scheme of these two kinds of operation scheme is checked, the numerical value of the dynamical state parameter of going of automobile, for example the numerical value of the speed of automobile is in the value region that does not surpass regulation in the future.When the result who checks goes the dynamical state parameter above perhaps surpassing number range in future, then corresponding operation scheme is got rid of as not allowing.This for example possibly be such a case, and promptly uphill/downhill goes automobile in the ramp, and the result of speed inspection is, when chaufeur with throw-out-of clutch, automobile can go quickly.Therefore with this " combustion engine is in operation, and transmission device is thrown off " operation scheme and class for not allowing.Select then or keep another kind of operation scheme (" driving engine the operation, and driving device engages ").What the result of dynamical state parameter testing was opposite if go is that it can not surpass the number range of regulation when disengaged condition, at this moment preferably select another operation scheme.System according to the present invention in this case produces a kind of signal, and this signal indication chaufeur is regulated selected operation scheme (" disengagement driving device ").Instead for example also can automatically regulate selected operation scheme by automatic driver.The result who checks when state parameter in the time of can keeping current operation scheme, then needn't generate signal.
The checked dynamic state parameter that goes for example can be speed, velocity variations, longitudinal acceleration, transverse acceleration or its variation, the functional relation that perhaps is made up of a plurality of state parameters.
Needing only check result is, says that in principle a plurality of operation scheme allow, and then preferably selects such operation scheme, and promptly this operation scheme can full out reach the target of regulation.For example minimum fuel consumption, or the minimum load of minimum brake wear or other structure member, perhaps the combination of these conditions can be defined as the target that should reach.In order to select the operation scheme of corresponding optimum, preferably obtain the numerical value of operational factor, the numerical value of consumption of fuel for example, perhaps brake wear numerical value with select such operation scheme, promptly it offers the best, for example minimum consumption of fuel.At this wherein, operational factor also can be the functional relation that is made up of a plurality of parameters.
Obtain the following curve of operational factor according to the present invention, perhaps at least one following numerical value of operational factor.This for example can accomplish by math modeling (algorithm Algorithmus).The curve of the operational factor when said math modeling can calculate different running method (for example engage and throw off) or following numerical value.Also can from characteristic curve, read following curve or numerical value.
Preferably said math modeling had both considered to add the influence of speed automobile, also considered the influence of braking vehicle, the gradient in track for example, the drag torque of the weight of automobile, rolling resistance, driving engine, air resistance, and/or rolling resistance.
Be chosen in consume or wearing and tearing aspect preferably also consider the charge condition of storage battery during the most favourable operation scheme.Combustion engine is not preferably closed when storage battery is little charge condition in the automobile that only has combustion engine.Its reason is, electric power required in different travel conditions maybe be very high, and is used to reset combustion engine and the storage battery energy that needed SFC saves through the combustion engine that stops that charging is wanted big.
After selecting optimum operating mode, just indicate chaufeur change operation scheme as long as should change operation scheme, and for example connection is thrown off perhaps, perhaps connects perhaps to kill engine.Also can during going, kill engine in this case.
For example can accomplish prompting by optics, acoustics or mechanical device to chaufeur.But mechanical device for example produces the another kind of signal that a kind of vibration or chaufeur tactile sensation arrive in one situation of back.
Preferably in controller, carry out single method step according to the method for the invention.In described controller, realize corresponding algorithm.
Description of drawings
Exemplarily the present invention is described in more details by accompanying drawing below.These accompanying drawings are:
Fig. 1: according to the method that is used to select the automotive operation mode of first form of implementation of the present invention;
Fig. 2: according to the method that is used to select the automotive operation mode of second form of implementation of the present invention.
Fig. 1 illustrates the method for the operation scheme of a kind of two possible operation scheme B1 that are used for selecting having the automobile of combustion engine, B2.What wherein, operation scheme B1 described is the state that a kind of combustion engine on and power-transfer clutch have engaged.What operation scheme B2 described is also on of combustion engine, however the state that power-transfer clutch has been thrown off.
Assumed vehicle goes downwards having on the slope of light grade in the present embodiment, and wherein, chaufeur leaves throttle, and the operation of combustion engine inertia.
For example automobile is in operation scheme B1.The inspection dynamical state parameter Z of going at first in step 1a, automobile driving speed for example, whether can surpass the number range of regulation, when automobile continues to continue when sailing at this operation scheme relaying if perhaps slowing down.Can inquire for this purpose, at the numerical value of the moment in future state parameter whether less than the threshold value Z of regulation 0
The gradient is so little in the motoring condition of supposition, and promptly automobile slows down under engagement state significantly, and correspondingly more and more slower.The variation of speed or the numeric ratio threshold value Z that slows down in this case 0Want big (situation is not), then this method jumps to step 3.In this step, select operation scheme B 1Perhaps B 2Needn't proceed in the described in front instance to calculate, because current operation scheme has not been got rid of as not allowing to be removed.Therefore select another operation scheme B 2, and in step 4, automatically produce corresponding signal S 2, said signal S 2The indication chaufeur is selected another operation scheme B 2, and press power-transfer clutch.
Be in another kind of operation scheme B when automobile is current 2When (combustion engine on, and power-transfer clutch is thrown off), execution in step 1b at first then, and checking again, whether future the go numerical value of dynamical state parameter can surpass the number range of regulation.If confirm (situation is not) like this, then this method jumps to step 3 again, and selects another operation scheme B 1, and automatically produce corresponding signal S 1, said signal S 1Another operation scheme of indication chaufeur sampling B 1, and engage.
Monitored state parameter for example can be a car speed, perhaps its variation, longitudinal acceleration, and perhaps its variation, transverse acceleration or its variation, perhaps the rate of sideslip or the rate of sailing partially change.
For the following curve that can obtain the dynamical state parameter of going preferably is provided with math modeling.The math modeling ginseng is considered and is quickened and the parameter of braking vehicle when monitored state parameter for example is speed or the longitudinal acceleration of automobile.This can be one or more parameter in the following parameter: the drag torque of the drag torque of the gradient of traveling lane, vehicle weight, rolling resistance, driving engine, air resistance and/or drive system.
When the inquiry of a step among step 1a or the 1b when being sure, also inquire another kind of operation scheme respectively.When two inquiries all are sure, that is to say that monitored state parameter remains within the specific time window in the value region inside of regulation ( step 1a and 1b are the situation of " being "), then in step 2a or 2b corresponding operation scheme B 1Perhaps B 2Calculate the numerical example such as the consumption of fuel of operational factor.Operational factor for example can be the load of consumption of fuel, brake wear or another structure member in this case, or the functional relation that is made up of a plurality of parameters.In step 2a and 2b, calculate respectively at corresponding operation scheme B 1Or B 2In the numerical value of operational factor.In step 3, select such operation scheme B then 1Or B 2, promptly operational factor in this operation scheme is minimum like for example consumption of fuel.
When the result in step 3 is, consumption of fuel or brake wear in another operation scheme (for example at B 2In) in than current operation scheme (B 1) in little, then produce signal S 2Otherwise, then keep current operation scheme.
Signal S 2For example can on instrument carrier panel, discharge a kind of demonstration, this demonstration tells chaufeur with the viewpoint of saving energy operated clutch preferably.In having the automobile of automatic driver, for example also can automatically regulate idle running.
Fig. 2 illustrates another form of implementation of the present invention.Can be in this form of implementation at three different operation scheme B 1-B 3The middle selection.At operation scheme B 1In, combustion engine is switched on, and driving device also engages.At operation scheme B 2Middle combustion engine is switched on, and driving device is thrown off.At operation scheme B 3Middle combustion engine is disconnected, and driving device is thrown off.
In step 1a-1c, check again, the state parameter of regulation, the speed of automobile for example, perhaps corresponding operation scheme B is being carried out in its deceleration 1-B 3The time whether can surpass the number range of regulation in future.Again can be according to priority or carry out single step 1a-1c abreast.When the dynamic of going did not allow ground strong variations (" not being " situation of step 1a-1c), this method jumped to step 3 respectively.Wherein, relevant operating mode is considered to unallowed, and therefore is excluded.Be arranged in (situation " is ") within the number range of permission as the state parameter Z that considers, then this method enters into step 2a, 2b or 2c.
In step 2a-2c respectively to the numerical value of operational factor, for example at the corresponding operation scheme B in future 1-B 3The middle consumption of fuel that produces calculates.
Then, the operation scheme from allowing in step 3, for example B 2And B 3A kind of like this operation scheme of middle selection, promptly its operational factor is minimum.So for example can select a kind of like this operation scheme, consumption of fuel in a kind of like this operation scheme, perhaps brake wear, perhaps the functional relation of a plurality of parameters is minimum.
According to selecting to produce corresponding signal S1, S2 or S3, said signal indication chaufeur is regulated corresponding operation scheme, and for example operated clutch perhaps kills engine then.In order to inform that chaufeur for example can be provided with device optics, acoustics or machinery.

Claims (10)

1. from one group of a plurality of operation scheme (B 1-B 3) the middle a kind of operation scheme (B that selects automobile 1-B 3) method, it is characterized in that having following step:
-be one or more operation scheme (B of said group 1-B 3) check that (1a-1c) carrying out the operation scheme (B that confirms 1-B 3) time the go numerical value of dynamic state parameter whether surpass the number range of regulation,
-calculating (2A-2C) one or more operation scheme (B 1-B 3) the numerical value of operational factor,
-select operation scheme (B according to the cross-check sum result calculated 1-B 3),
-generation signal (S 1-S 3), said signal indication chaufeur is regulated selected operation scheme (B 1-B 3), perhaps begin to change automatically operation scheme (B 1-B 3).
2. according to the described method of claim 1, it is characterized in that the dynamical state parameter of being checked of going is speed, velocity variations, transverse acceleration or its variation, the functional relation of rate of sideslip or its variation or a plurality of state parameters.
3. according to claim 1 or 2 described methods, it is characterized in that the operational factor that is calculated is a consumption figures, consumption of fuel particularly, wear value, particularly brake wear, or the load of another structure member, the perhaps functional relation of a plurality of operational factors.
4. according to each the described method in the aforementioned claim; It is characterized in that; Math modeling is set, but uses the following curve of said math modeling rated condition parameter, and whether can surpass the number range of regulation in future by said curve these state parameters of inspection (Z).
5. according to the described method of claim 4; It is characterized in that; Math modeling had both considered to add the parameter of speed automobile; Also consider the parameter of braking vehicle, one or more particularly following one group parameter: the air resistance of the drag torque of the gradient of traveling lane, vehicle weight, rolling resistance, car speed, driving engine, the resistance of driving system and/or automobile.
6. according to each the described method in the aforementioned claim, it is characterized in that, when inspection shows, when state parameter (Z) can surpass the number range of regulation with this operation scheme (B 1-B 3) classify as and do not allow, otherwise with this operation scheme (B 1-B 3) classify as and do not allow.
7. according to each the described method in the aforementioned claim, it is characterized in that possible operation scheme (B 1-B 3) comprise at least one element in the following element: clutch state (engage or separately), the running state (connecting or disconnecting) of actuating device and/or the range of operation (running under power or the operation of going) of actuating device.
8. according to each the described method in the aforementioned claim, it is characterized in that, in having the automobile of a plurality of actuating devices, consider the different operation states and/or the operation scheme of single actuating device.
9. according to each the described method in the aforementioned claim, it is characterized in that negative indication is driven, connect perhaps separately, connect or disconnect actuating device, perhaps select another kind of operation scheme.
10. controller, it comprises the device of arbitrary method of the method that is used for implementing aforementioned claim.
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