DE102011119845A1 - Method for simulation of driving characteristics of internal combustion engine in vehicle, involves predetermining drive speed of drive, and changing directly rotational torque of drive by supplementary control element formed as clutch - Google Patents

Method for simulation of driving characteristics of internal combustion engine in vehicle, involves predetermining drive speed of drive, and changing directly rotational torque of drive by supplementary control element formed as clutch Download PDF

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DE102011119845A1
DE102011119845A1 DE102011119845A DE102011119845A DE102011119845A1 DE 102011119845 A1 DE102011119845 A1 DE 102011119845A1 DE 102011119845 A DE102011119845 A DE 102011119845A DE 102011119845 A DE102011119845 A DE 102011119845A DE 102011119845 A1 DE102011119845 A1 DE 102011119845A1
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Prior art keywords
drive
clutch
pedal
torque
control element
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DE102011119845A
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German (de)
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Max Kellner
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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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/14—Clutch pedal position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • 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
    • Y02T10/64—Electric machine technologies 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
    • 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

Abstract

The method involves predetermining drive speed of an electric drive of a vehicle by a control element e.g. pedal, lever and rotary handle. rotational torque of the drive is changed directly by a supplementary control element formed as a clutch. A minimum rotational torque is initialized for simulating an idling process, where the minimum torque is reduced to zero by operation of the clutch. Displacement or rotational angle of the pedal or the handle is converted into a digital signal based on controller area networkstandard.

Description

Technisches GebietTechnical area

Die vorliegende Erfindung betrifft ein neuartiges Verfahren zur Simulation des Fahrverhaltens von Verbrennungsmotoren in Fahrzeugen, die mit einem Elektroantrieb ausgestattet sind.The present invention relates to a novel method for simulating the drivability of internal combustion engines in vehicles equipped with an electric drive.

Stand der TechnikState of the art

Fahrzeuge mit Elektromotorantrieb werden üblicherweise mit direktem Kraftschluss von Motor zum Antriebsstrang ausgeführt. Durch entsprechende Regelung des Motors mittels eines Stellelements in Form eines Pedals, Hebels oder Drehgriffs zur Regulierung der Drehzahl des Antriebs wird ein für den Fahrbetrieb angepasstes Drehmoment im Antriebsstrang erreicht, welches prinzipiell bereits bei Stillstand des Fahrzeugs und kleinen Drehzahlen (also beim Anfahren) maximal zur Verfügung steht und das bei weiter steigender Drehzahl entlang einer Hyperbel abfällt. Somit erübrigen sich prinzipiell sämtliche vom Verbrennungsmotor bekannten, durch den Fahrzeugführer zu betätigenden Bedienelemente wie Schaltung und Kupplung.Vehicles with electric motor drive are usually carried out with direct adhesion of the engine to the drive train. By appropriate control of the engine by means of an actuating element in the form of a pedal, lever or rotary handle to regulate the speed of the drive adapted for driving torque in the drive train is achieved, which in principle at standstill of the vehicle and low speeds (ie when starting) maximum Is available and which falls along with a further increase in speed along a hyperbola. Thus, in principle, all known from the engine, to be operated by the driver controls such as circuit and clutch unnecessary.

Der Nachteil bekannter elektrischer Antriebe besteht jedoch darin, dass durch den Fahrzeugführer keine manuelle Beeinflussung des Drehmoments vorgenommen werden kann. Speziell im Motorsport (bspw. bei Geschicklichkeitsprüfungen in schwerem Gelände, engl. Trials) ist jedoch ein extrem feinfühliger Krafteinsatz gefordert und kann mit der bei Elektromotoren üblichen indirekten Drehmomentregelung über den Gasgriff bzw. das Gaspedal im Wettbewerbseinsatz nicht erreicht werden.The disadvantage of known electric drives, however, is that no manual influence of the torque can be made by the driver. Especially in motorsport (eg in skill testing in difficult terrain, English Trials), however, an extremely sensitive use of force is required and can not be achieved with the customary in electric motors indirect torque control via the throttle or the accelerator pedal in competition use.

Darstellung der ErfindungPresentation of the invention

Ziel der Erfindung ist es, das jahrzehntelang bewährte Fahrverhalten der Verbrennungsmotoren in Fahrzeugen mit Elektroantrieb zu simulieren. Der vorliegenden Erfindung liegt daher die Aufgabe zu Grunde, dem Fahrzeugführer ein zusätzliches Stellelement zur direkten Beeinflussung des Drehmoments im Antriebsstrang zur Verfügung zu stellen.The aim of the invention is to simulate decades of proven driving behavior of internal combustion engines in electric vehicles. The present invention is therefore based on the object to provide the driver with an additional actuator for directly influencing the torque in the drive train.

Erfindungsgemäß wird die voranstehende Aufgabe mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens sind in Unteransprüchen angegeben.According to the invention the above object is achieved with the features of claim 1. Advantageous embodiments of the method according to the invention are specified in subclaims.

Danach ist ein Verfahren zur Simulation des Fahrverhaltens von Verbrennungsmotoren in Fahrzeugen mit Elektroantrieb der eingangs genannten Art dadurch gekennzeichnet, dass gleichzeitig über ein weiteres Stellelement in Form eines zusätzlichen Pedals, Hebels oder Drehgriffs (nachstehend als „Kupplung” bezeichnet) das Drehmoment des Antriebs direkt verändert werden kann.Thereafter, a method for simulating the driving behavior of internal combustion engines in vehicles with electric drive of the type mentioned above, characterized in that simultaneously via another actuator in the form of an additional pedal, lever or rotary handle (hereinafter referred to as "clutch") directly changes the torque of the drive can be.

Ein minimales Drehmoment des Antriebs kann hierbei vorgegeben werden, welches bereits in neutraler Stellung der Kupplung anliegt und nur durch Betätigung der Kupplung auf Null reduziert werden kann. Wird die Kupplung dagegen nicht verwendet, steht die volle Antriebsleistung zur Verfügung.A minimum torque of the drive can be specified here, which already rests in the neutral position of the clutch and can only be reduced to zero by actuating the clutch. If the clutch is not used, the full drive power is available.

In einer besonders vorteilhaften Ausführungsform der Erfindung weist die Kupplung ein elektrisches Widerstandsbauelement auf, dessen Widerstandswerte mechanisch (durch Drehen oder Verschieben) veränderbar sind (Potentiometer). Hierdurch lässt sich eine Veränderung des angelegten Antriebsmoments von 100% bis 0% einstellen. Hierzu wird ein stetig einstellbarer Spannungsteiler eingesetzt.In a particularly advantageous embodiment of the invention, the coupling has an electrical resistance component whose resistance values can be changed mechanically (by turning or shifting) (potentiometers). This makes it possible to set a change in the applied drive torque from 100% to 0%. For this purpose, a continuously adjustable voltage divider is used.

Darüber hinaus können aber ebenso andere Bauteile verwendet werden, die den Weg oder Drehwinkel des Pedals oder des Drehgriffs in ein digitales Signal umsetzen. Als besonders bevorzugt lassen sich bspw. digitale Stellglieder/Geber basierend auf dem CAN Standard verwenden, welche im automotiven Bereich eingesetzt werden. In dieser Ausführungsform könnte am Kontroller als Schnittstelle ein digitaler Eingang verwendet werden (bspw. der CAN-Bus).In addition, however, other components can be used, which convert the path or angle of rotation of the pedal or the rotary handle in a digital signal. For example, it is particularly preferable to use digital actuators / encoders based on the CAN standard, which are used in the automotive sector. In this embodiment, a digital input could be used as interface on the controller (for example the CAN bus).

Zur Simulierung eines Leerlaufs kann vorzugsweise immer ein minimales Drehmoment (z. B. 10%) voreingestellt sein.To simulate idling, preferably a minimum torque (eg 10%) may always be preset.

Kurzbeschreibung der ZeichnungenBrief description of the drawings

Weitere Ziele, Merkmale, Vorteile und Anwendungsmöglichkeiten des erfindungsgemäßen Verfahrens ergeben sich aus der nachfolgenden Beschreibung mehrerer Ausführungsbeispiele. Dabei bilden alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von der Zusammenfassung in einzelnen Ansprüchen oder deren Rückbeziehung.Other objects, features, advantages and applications of the method according to the invention will become apparent from the following description of several embodiments. All form described and / or illustrated features, alone or in any combination, the subject of the invention, regardless of the summary in individual claims or their dependency.

In der Zeichnung zeigtIn the drawing shows

1 eine beispielhafte Beschaltung eines handelsüblichen Drehzahlstellers. 1 an exemplary wiring of a commercially available speed controller.

Ausführung der ErfindungEmbodiment of the invention

1 zeigt die Beschaltung eines handelsüblichen Drehzahlstellers mit den beiden Eingängen A8, A9. Die dargestellten Potentiometer 8, 9 dienen üblicherweise zur Regulierung der Drehzahl- oder des Drehmoments (Gasgriff/Accelerator) und, meist optional, zur Regulierung eines veränderlichen Bremsmomenfs, das der Motor unterstützend zur mechanischen Bremse zur Verfügung stellen kann (Bremse/Footbrake). 1 shows the wiring of a commercial speed controller with the two inputs A8, A9. The illustrated potentiometers 8, 9 are usually used to regulate the speed or torque (throttle / accelerator) and, usually optional, to regulate a variable Bremsmomenf that can provide the engine supportive to the mechanical brake available (brake / Footbrake).

Auf den ersten Eingang A8 wird, wie üblich, ein Stellelement in Form eines Pedals, Hebels oder Drehgriffs mit Potentiometer angeschlossen. Eine zusätzlich montierte Kupplung in Form eines zusätzlichen Pedals, Hebels oder Drehgriffs mit eingebautem Potentiometer liefert am zweiten Eingang A4 eine Spannung (von bspw. 0–5 Volt) analog zur Stellung dieses Stellelements.As usual, an actuator in the form of a pedal, lever or rotary handle with potentiometer is connected to the first input A8. An additionally mounted clutch in the form of an additional pedal, lever or rotary handle with built-in potentiometer provides at the second input A4 a voltage (of eg. 0-5 volts) analogous to the position of this control element.

Deren Höhe gibt den Wunsch des Fahrers ober eine Veränderung des angelegten Antriebs- und besonders bevorzugt zusätzlich des Bremsmoments von 100% bis 0% vor.Their height is the desire of the driver above a change in the applied drive and particularly preferably additionally the braking torque of 100% to 0%.

Das Signal wird entsprechend der angehängten Spezifikation (RFC110601, Punkt 2 bis 3.2) verrechnet. Dies soll an nachfolgenden Beispielen verdeutlicht werden: Beispiel zur Limitierung der Antriebsleistung: Beschleunigung = 66% Kupplung = 100% Antriebsleistung = 66% Beschleunigung = 66% Kupplung = 80% Antriebsleistung = 52% Beschleunigung = 66% Kupplung = 40% Antriebsleistung = 26% Beschleunigung = 66% Kupplung = 20% Antriebsleistung = 13% Beispiel zur Limitierung der neutralen Bremsleistung (NBrake): NBrake = 35% Kupplung = 100% Bremsleistung = 35% NBrake = 35% Kupplung = 80% Bremsleistung = 28% NBrake = 35% Kupplung = 40% Bremsleistung = 14% NBrake = 35% Kupplung = 20% Bremsleistung = 7% The signal is calculated according to the attached specification (RFC110601, points 2 to 3.2). This should be clarified by the following examples: Example for limiting the drive power: Acceleration = 66% Clutch = 100% Drive power = 66% Acceleration = 66% Clutch = 80% Drive power = 52% Acceleration = 66% Clutch = 40% Drive power = 26% Acceleration = 66% Clutch = 20% Drive power = 13% Example for limiting the neutral braking power (NBrake): NBrake = 35% Clutch = 100% Braking power = 35% NBrake = 35% Clutch = 80% Braking power = 28% NBrake = 35% Clutch = 40% Braking power = 14% NBrake = 35% Clutch = 20% Braking power = 7%

Als Resultat steht bei gezogener Kupplung keine Antriebs- und Bremskraft durch den Motor zur Verfügung. Nicht betätigte Kupplung bewirkt hingegen die volle Leistungsabgabe in den Antriebsstrang mit entsprechender Vortriebs- und Bremswirkung.As a result, no drive and braking power is available through the engine when the clutch is pulled. Non-actuated clutch, however, causes the full power output in the drive train with appropriate propulsion and braking effect.

Liste der BezugsziffernList of reference numbers

  • A1A1
    Forward SwitchForward switch
    A2A2
    Reverse SwitchReverse switch
    A3A3
    Foot Switch/Belly SwitchFoot Switch / Belly Switch
    A4A4
    Seat/Tiller SwitchSeat / Tiller Switch
    A5A5
    Speed 1/Inch FwdSpeed 1 / Inch Fwd
    A6A6
    Speed 2/Inch RevSpeed 2 / Inch Rev
    A7A7
    Speed 3/Handbrake SwitchSpeed 3 / Handbrake Switch
    A8A8
    Accelertor/FootbrakeAccelertor / Foot Brake
    A9A9
    Accelertor/FootbrakeAccelertor / Foot Brake
    A10A10
    Keyswitchkeyswitch
    A11A11
    Contactor Coil SupplyContactor Coil Supply
    A12A12
    Line ContactorLine Contactor
    A13A13
    Electric Brake ContactorElectric Brake Contactor
    A14A14
    Power Steer ContactorPower Steer Contactor
    A15A15
    +12 V Supply+ 12V supply
    A16A16
    5 V Potentiometer Supply5V potentiometer supply
    B5B5
    CAN LCAN L
    B6B6
    CAN HCAN H
    B7B7
    +12 V Supply+ 12V supply
    B8B8
    0 V0V
    C1C1
    Speed EncoderSpeed encoder
    C2C2
    Direction EncoderDirection encoder
    C4C4
    Motor Thermistor/Steering Pot.Motor Thermistor / Steering Pot.
    C5C5
    +12 V Supply+ 12V supply
    C6C6
    0 V0V
    MM
    Motorengine
    FF
    FuseFuse
    PP
    Pre-chargePre-charge

Claims (7)

Verfahren zur Simulation des Fahrverhaltens von Verbrennungsmotoren in Fahrzeugen, welche mit einem Elektroantrieb ausgestattet sind, umfassend ein Stellelement in Form eines Pedals, Hebels oder Drehgriffs, mittels dem die Drehzahl des Antriebs vorgegeben wird, dadurch gekennzeichnet, dass gleichzeitig über ein weiteres Stellelement in Form eines zusätzlichen Pedals, Hebels oder Drehgriffs, welche nachstehend als Kupplung bezeichnet wird, das Drehmoment des Antriebs direkt verändert werden kann.Method for simulating the driving behavior of internal combustion engines in vehicles, which are equipped with an electric drive, comprising an actuating element in the form of a pedal, lever or rotary handle, by means of which the rotational speed of the drive is specified, characterized in that at the same time via a further adjusting element in the form of a additional pedal, lever or rotary handle, which is referred to as a clutch, the torque of the drive can be changed directly. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zur Simulierung eines Leerlaufs ein minimales Drehmoment voreingestellt ist, welche nur durch Betätigung der Kupplung auf Null reduziert werden kannA method according to claim 1, characterized in that for simulating an idling a minimum torque is preset, which can be reduced to zero only by operating the clutch Verfahren nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass bei Nicht-Betätigung der Kupplung die volle Antriebsleistung zur Verfügung steht.Method according to claims 1 and 2, characterized in that the non-actuation of the clutch, the full drive power is available. Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die Kupplung gleichzeitig zur Regulierung eines veränderlichen Bremsmoments vorgesehen ist, das der Motor unterstützend zur mechanischen Bremse zur Verfügung stellen kann.Method according to one of the preceding claims, characterized in that the coupling is provided at the same time for regulating a variable braking torque, which can make the engine supportive of the mechanical brake available. Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die Kupplung ein elektrisches Widerstandsbauelement aufweist, dessen Widerstandswerte mechanisch durch Drehen oder Verschieben veränderbar sind, mittels dem sich eine Veränderung des angelegten Antriebs- und/oder Bremsmoments von 100% bis 0% einstellen lässt.Method according to one of the preceding claims, characterized in that the coupling comprises an electrical resistance component whose resistance values are mechanically variable by turning or shifting, by means of which a change in the applied drive and / or braking torque of 100% to 0% can be set. Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die Beschaltung eines Drehzahlstellers mit den Eingängen A8, A9 in der Weise erfolgt, dass auf den ersten Eingang A9 ein Stellelement in Form eines Pedals, Hebels oder Drehgriffs mit Potentiometer angeschlossen wird und die zusätzlich montierte Kupplung mit eingebautem Potentiometer am zweiten Eingang A9 eine Spannung analog zur Stellung dieses Stellelements liefert.Method according to one of the preceding claims, characterized in that the connection of a speed controller with the inputs A8, A9 takes place in such a way that on the first input A9 an actuator in the form of a pedal, lever or knob with potentiometer is connected and additionally mounted Coupling with built-in potentiometer at the second input A9 supplies a voltage analogous to the position of this control element. Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die Kupplung digitale Stellglieder/Geber aufweist, die den Weg oder den Drehwinkel des Pedals oder des Drehgriffs in ein digitales Signal umsetzen, vorzugsweise basierend auf dem CAN Standard.Method according to one of the preceding claims, characterized in that the coupling comprises digital actuators / encoders, which convert the path or the angle of rotation of the pedal or the rotary handle into a digital signal, preferably based on the CAN standard.
DE102011119845A 2011-12-01 2011-12-01 Method for simulation of driving characteristics of internal combustion engine in vehicle, involves predetermining drive speed of drive, and changing directly rotational torque of drive by supplementary control element formed as clutch Ceased DE102011119845A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539650A (en) * 2019-09-19 2019-12-06 深圳市英威腾电动汽车驱动技术有限公司 Method, system and device for simulating idle speed jitter of manual fuel oil transmission vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842509C1 (en) * 1998-09-17 2000-07-06 Siemens Ag Control device for a vehicle that can be driven by an electric motor
DE602004003234T2 (en) * 2004-07-26 2007-09-06 Peugeot Citroën Automobiles S.A. Method and device for brake force distribution front / rear for a motor vehicle
US20080060861A1 (en) * 2006-09-12 2008-03-13 Andrew Baur Entertainment vehicle that simulates a vehicle with an internal combustion engine and multiple gear ratios

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842509C1 (en) * 1998-09-17 2000-07-06 Siemens Ag Control device for a vehicle that can be driven by an electric motor
DE602004003234T2 (en) * 2004-07-26 2007-09-06 Peugeot Citroën Automobiles S.A. Method and device for brake force distribution front / rear for a motor vehicle
US20080060861A1 (en) * 2006-09-12 2008-03-13 Andrew Baur Entertainment vehicle that simulates a vehicle with an internal combustion engine and multiple gear ratios

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539650A (en) * 2019-09-19 2019-12-06 深圳市英威腾电动汽车驱动技术有限公司 Method, system and device for simulating idle speed jitter of manual fuel oil transmission vehicle

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