DE10310860A1 - Arrangement for controlling motor vehicle longitudinal dynamics has longitudinal dynamic regulator whose torque or acceleration demand output is varied depending on detected altitude information - Google Patents
Arrangement for controlling motor vehicle longitudinal dynamics has longitudinal dynamic regulator whose torque or acceleration demand output is varied depending on detected altitude information Download PDFInfo
- Publication number
- DE10310860A1 DE10310860A1 DE10310860A DE10310860A DE10310860A1 DE 10310860 A1 DE10310860 A1 DE 10310860A1 DE 10310860 A DE10310860 A DE 10310860A DE 10310860 A DE10310860 A DE 10310860A DE 10310860 A1 DE10310860 A1 DE 10310860A1
- Authority
- DE
- Germany
- Prior art keywords
- height
- vehicle
- longitudinal dynamics
- longitudinal
- sea level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/0008—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including means for detecting potential obstacles in vehicle path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/0058—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator responsive to externally generated signalling
-
- 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
- B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
- B60W2555/40—Altitude
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zur Steuerung der Längsdynamik eines Kraftfahrzeugs, die in Abhängigkeit des Abstands und der Geschwindigkeit eines vorausfahrenden Fahrzeugs mittels eines Radarsensors die Längsdynamik des Kraftfahrzeugs steuert. Dabei ist ein Höhenbestimmungsmittel vorgesehen, das die momentane Höhe des Fahrzeugs über dem Meeresspiegel bestimmt und dem Längsdynamikregler zuführt und dass die vom Längsdynamikregler ausgegebene Momentanforderung oder Beschleunigungsanforderung in Abhängigkeit der zugeführten Höheninformation verändert wird.The present invention relates to a method and a device for controlling the longitudinal dynamics of a motor vehicle that is dependent the distance and speed of a vehicle in front the longitudinal dynamics using a radar sensor controls the motor vehicle. A height determination means is provided that's the current altitude of the vehicle determined to sea level and the longitudinal dynamics controller and that from the longitudinal dynamics controller output torque request or acceleration request in dependence the supplied height information changed becomes.
Stand der TechnikState of technology
Aus der Veröffentlichung "Adaptive Cruise Control System, Aspects and Development Trends" von Winner, Witte, Uhler und Lichtenberg, veröffentlicht auf der SAE International Congress and Exposition, Detroit, 26.-29. Februar 1996 (SAE-Paper 961010) ist eine Sende- und Empfangseinrichtung für Radarstrahlung bekannt, die die Relativgeschwindigkeit und den Abstand eines zu einem ersten Fahrzeug vorausfahrenden zweiten Fahrzeug misst und in Abhängigkeit verschiedener Messwerte Stellsignale für ein leistungsbestimmendes Stellelement und die Verzögerungseinrichtungen des Fahrzeugs ausgibt. Hierbei werden die Beschleunigungseinrichtungen sowie die Verzögerungseinrichtungen des Fahrzeugs derart angesteuert, dass die Längsdynamikregelung des Fahrzeugs bei erkanntem vorherfahrendem Fahrzeug im Sinne einer Konstantabstandsregelung geregelt wird und bei Abwesenheit eines vorherfahrenden Fahrzeugs die Längsdynamikregelung des Fahrzeugs im Sinne einer Konstantgeschwindigkeitsregelung geregelt wird.From the publication "Adaptive Cruise Control System, Aspects and Development Trends "by Winner, Witte, Uhler and Lichtenberg, released at the SAE International Congress and Exposition, Detroit, 26.-29. February 1996 (SAE-Paper 961010) is a transmitting and receiving device for radar radiation known, the relative speed and the distance of one to a second vehicle in front of a first vehicle and in dependence various measured values control signals for a performance-determining Actuator and the delay devices of the vehicle. Here, the accelerators as well as the delay devices of the vehicle is controlled such that the longitudinal dynamics control of the vehicle when the preceding vehicle is detected in the sense of a constant distance control is regulated and in the absence of a preceding vehicle the longitudinal dynamics control of the Vehicle regulated in the sense of a constant speed control becomes.
Kern und Vorteile der ErfindungCore and advantages the invention
Der Kern der vorliegenden Erfindung ist es, die von der Vorrichtung zur Längsdynamikregelung ausgegebenen Stellsignale für ein leistungsbestimmendes Stellelement einer Brennkraftmaschine derart zu beeinflussen, dass störende und unkomfortable Regelzustände in Folge einer Verminderung der Brennkraftmaschinen-Ausgangsleistung durch eine dünnere Umgebungsluft verhindert werden. Erfindungsgemäß wird dieses durch die Merkmale der unabhängigen Ansprüche gelöst.The essence of the present invention it is the output from the device for longitudinal dynamics control Control signals for a power-determining control element of an internal combustion engine to influence in such a way that disturbing and uncomfortable control conditions as a result of a decrease in engine output through a thinner Ambient air can be prevented. According to the invention, this is due to the features the independent Expectations solved.
Vorteilhafte Weiterbildungen und Ausgestaltungen ergeben sich aus den Unteransprüchen.Advantageous further training and configurations result from the subclaims.
Vorteilhafterweise wird die Höheninformation mittels eines Navigationssystems bestimmt. Moderne Navigationssysteme verfügen über viele Zusatzinformationen, u.a. über Höheninformation der Straßenverläufe, so dass die momentane Höhe des Fahrzeugs über dem Meeresspiegel durch das Navigationssystem, das den eigenen Standpunkt ermittelt, bereitstellbar ist.The height information is advantageously obtained by means of a navigation system. Modern navigation systems have many Additional information, including about height information the course of the road, so that the current altitude of the vehicle the sea level through the navigation system that your own point of view determined, can be provided.
Weiterhin ist es vorteilhaft, dass die Höheninformation mittels eines Luftdruckmessers erfolgt. Hierzu kann beispielsweise ein elektronisches Barometer verwendet werden, das den Umgebungsluftdruck misst und daraus die momentane Höhe über dem Meeresspiegel ableitet. Die Verwendung eines Luftdruckmessers ist hierbei durch die Luftdruckschwankungen der Witterungslage beeinflusst. Dieses wirkt sich jedoch nicht nachteilig aus, da witterungsabhängige Veränderungen des Luftdrucks gering sind und ebenfalls Einfluss auf die Brennkraftmaschinenausgangsleistung haben.It is also advantageous that the height information by means of an air pressure meter. This can be done, for example An electronic barometer can be used that measures the ambient air pressure measures and from this the current height above the Derives sea level. The use of an air pressure gauge is influenced by the fluctuations in air pressure in the weather. However, this does not have a negative effect, since changes are dependent on the weather of the air pressure are low and also influence the engine output to have.
Vorteilhafter Weise geschieht die Veränderung der Momentenanforderung oder der Beschleunigungsanforderung der Brennkraftmaschinenausgangsleistung in Form eines Korrekturfaktors, der mit steigender Höhe über Meeresspiegel abnimmt.This happens advantageously change the torque request or the acceleration request of the Internal combustion engine output in the form of a correction factor, the one with increasing altitude above sea level decreases.
Besonders vorteilhaft ist es, dass dieser Korrekturfaktor mit steigender Höhe linear abnimmt. Ebenso ist es vorteilhaft, dass der Korrekturfaktor bei Meereshöhe 1,0 beträgt. Ebenso ist es vorteilhaft, dass der Faktor beispielsweise bei 4000 Meter über Meereshöhe 0,6 beträgt, was der Abnahme des Sauerstoffgehaltes in der Luft und somit auch der Drehmomentverringerung der Brennkraftmaschine entspricht.It is particularly advantageous that this correction factor decreases linearly with increasing height. Likewise it is advantageous that the correction factor at sea level is 1.0. As well it is advantageous that the factor is, for example, at 4000 meters above sea level, which the decrease in the oxygen content in the air and thus also the Torque reduction of the internal combustion engine corresponds.
Von besonderer Bedeutung ist die Realisierung des erfindungsgemäßen Verfahrens in der Form eines Steuerelements, das für ein Steuergerät einer adaptiven Abstands- bzw. Geschwindigkeitsregelung eines Kraftfahrzeugs vorgesehen ist. Dabei ist auf dem Steuerelement ein Programm gespeichert, das auf einem Rechengerät, insbesondere auf einem Mikroprozessor oder Signalprozessor, ablauffähig und zur Ausführung des erfindungsgemäßen Verfahrens geeignet ist. In diesem Fall wird also die Erfindung durch ein auf dem Steuerelement abgespeichertes Programm realisiert, so dass dieses mit dem Programm versehene Steuerelement in gleicher Weise die Erfindung darstellt, wie das Verfahren, zu dessen Ausführung das Programm geeignet ist. Als Steuerelement kann insbesondere ein elektrisches Speichermedium zur Anwendung kommen, beispielsweise ein Read-Only-Memory.The is of particular importance Realization of the method according to the invention in the form of a control element for an adaptive control unit Distance or speed control of a motor vehicle is provided is. A program that is stored on the control element a computing device, in particular on a microprocessor or signal processor, executable and for execution of the method according to the invention is. In this case, the invention is based on the control element saved program realized so that this with the program provided control element in the same way represents the invention, as the procedure the program is suitable for executing is. An electrical storage medium can in particular be used as the control element are used, for example a read-only memory.
Weitere Merkmale, Anwendungsmöglichkeiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung, die in den Figuren der Zeichnung dargestellt sind. Dabei bilden alle beschriebenen oder dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Patentansprüchen oder deren Rückbeziehung, sowie unabhängig von ihrer Formulierung bzw. Darstellung in der Beschreibung bzw. in den Zeichnungen.Other features, possible applications and advantages of the invention will become apparent from the following description of embodiments of the invention, which are illustrated in the figures of the drawing. All of the features described or shown form for themselves or in any combination the subject of the invention, regardless of their summary in the claims or their relationship, as well as independent from their formulation or representation in the description or in the drawings.
Zeichnungendrawings
Nachfolgend werden Ausführungsbeispiele der Endung anhand von Zeichnungen erläutert. Es zeigenExemplary embodiments of the Extension explained using drawings. Show it
Beschreibung von Ausführungsbeispielendescription of embodiments
In
In
Ebenfalls ist es möglich, die
Höhenkorrektureinrichtung
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10310860A DE10310860A1 (en) | 2003-03-11 | 2003-03-11 | Arrangement for controlling motor vehicle longitudinal dynamics has longitudinal dynamic regulator whose torque or acceleration demand output is varied depending on detected altitude information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE10310860A DE10310860A1 (en) | 2003-03-11 | 2003-03-11 | Arrangement for controlling motor vehicle longitudinal dynamics has longitudinal dynamic regulator whose torque or acceleration demand output is varied depending on detected altitude information |
Publications (1)
Publication Number | Publication Date |
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DE10310860A1 true DE10310860A1 (en) | 2004-09-23 |
Family
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Family Applications (1)
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DE10310860A Ceased DE10310860A1 (en) | 2003-03-11 | 2003-03-11 | Arrangement for controlling motor vehicle longitudinal dynamics has longitudinal dynamic regulator whose torque or acceleration demand output is varied depending on detected altitude information |
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DE (1) | DE10310860A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006042630A1 (en) * | 2004-10-20 | 2006-04-27 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal dynamics control system in motor vehicles |
-
2003
- 2003-03-11 DE DE10310860A patent/DE10310860A1/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006042630A1 (en) * | 2004-10-20 | 2006-04-27 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal dynamics control system in motor vehicles |
US7379808B2 (en) | 2004-10-20 | 2008-05-27 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal dynamics control system in motor vehicles |
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Date | Code | Title | Description |
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8110 | Request for examination paragraph 44 | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |
Effective date: 20120320 |