EP1814012B1 - Method and device for steering override of a vehicle used in a driving school - Google Patents

Method and device for steering override of a vehicle used in a driving school Download PDF

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Publication number
EP1814012B1
EP1814012B1 EP20070001362 EP07001362A EP1814012B1 EP 1814012 B1 EP1814012 B1 EP 1814012B1 EP 20070001362 EP20070001362 EP 20070001362 EP 07001362 A EP07001362 A EP 07001362A EP 1814012 B1 EP1814012 B1 EP 1814012B1
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EP
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Prior art keywords
driver
signals
signal generator
override
steering
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EP20070001362
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German (de)
French (fr)
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EP1814012A3 (en
EP1814012A2 (en
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Harald Rieger
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Krauss Maffei Wegmann GmbH and Co KG
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Krauss Maffei Wegmann GmbH and Co KG
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/34—Double foot controls, e.g. for instruction vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque

Definitions

  • the invention relates to a method and a device for overriding in a vehicle in driving school operation.
  • Training vehicles are used for driver training on a vehicle. These must first be equipped with a special driving school facility. For this purpose, important controls, such as the steering, the accelerator pedal or the brake pedal for a passenger, that is usually installed for a driving instructor.
  • the driving school device may also comprise override units, which provide the override of important controls, so that the passenger can intervene in the vehicle control or take it over.
  • the invention finds particular application to vehicles which have an electromechanical accelerator pedal or other electromechanical operating elements (eg steering or brake pedal).
  • the electromechanical accelerator pedal for example, the movement of the pedal is not transmitted via a linkage or via mechanical cables, but electrically to a motor control which is connected to the motor.
  • the vehicle has a driver control element with a driver signal transmitter, which transmits electrical driver signals, and a passenger control element with a passenger signal transmitter, which transmits electrical passenger signals.
  • the signals of the two signal generators are supplied to a control element, in the example of gas override of the engine electronics of a drive motor, and provide the control of the control element.
  • the generic FR 2 779 103 A describes a driving school vehicle with a driver accelerator and a passenger accelerator.
  • an electrical signal generator whose signals are supplied to a common override unit, which, for example, makes an override of the passenger signals via the driver signals.
  • the signals are fed to an electronic engine control.
  • the override unit is located between the original driver of the accelerator pedal and the electronics, so that in the conversion process from a normal vehicle with only one accelerator pedal on a driving school vehicle with two accelerators for interposition of the override unit of the original signal from the original signal generator to the engine control -Electronics must be separated. This is disadvantageous because errors can occur during the conversion due to the separation.
  • the object of the invention is to overcome the disadvantages described. Another object is the conversion of a vehicle to a driving school vehicle, in which the disadvantages described do not occur.
  • an actuator is used to control an original signal generator.
  • This signal generator is connected directly to the driver control element in the vehicle not converted to the driving school mode.
  • the actuator thus assumes the mechanical function of the driver control element in the converted vehicle.
  • the original signal path is separated from the original signal generator to the control element.
  • the driver signals and passenger signals of an override unit which, if it receives passenger signals from the front passenger signal transmitter, provides an override of the passenger signals via the driver signals, so that in the case of override the passenger signals provide the control of the actuator.
  • the override unit has two A / D converters, a data selector, an evaluation logic and a D / A converter.
  • the two signal transmitters output analog signals, which are converted into digital signals by means of the A / D converters, which are supplied to the data selector.
  • the digitized passenger signal is also fed to the evaluation logic, which provides the control of the data selector.
  • the signal selected by the data selector is converted by means of the D / A converter into an analog signal, which performs the control of the actuator.
  • the signals analogized by the D / A converter can be amplified by means of an output amplifier.
  • the gain of the output amplifier can be made adjustable.
  • the device according to the invention is suitable for carrying out the method according to the invention.
  • the device has an actuator, in particular a servo motor, which assumes the mechanical function of the Fahverbedienelements in Faluschul horrin, and an override unit to which the signals of the signal generator are supplied, and which, if it receives signals from the front passenger signal generator, an override of the passenger Signals on the driver signals makes, so that in the case of oversteer, the passenger signals provide the control of the actuator.
  • the override unit comprises two A / D converters, a data selector, an evaluation logic and a D / A converter, wherein the A / D converters convert the analog signals sent by the two signal generators into digital signals which are supplied to the data selector wherein the evaluation logic to which the digitized passenger signal is applied provides control of the data selector, wherein the data selector selects a signal, and wherein the D / A converter converts the selected signal into an analog signal which provides control of the actuator ,
  • the override unit may comprise an output amplifier which amplifies the signals analogized by the D / A converter.
  • the passenger signal generator In the conversion of the vehicle to a driving school vehicle next to the installation of a passenger control element and an associated passenger signal transmitter between the driver's accelerator pedal and the original signal transmitter another signal transmitter interposed as a new signal generator and connected to this override unit, the passenger signal generator also connected to the override unit.
  • the original signal path from the particular original signal generator to the control element is not separated and thus remains. Furthermore, apart from the passenger control element that is necessarily to be installed, no mechanical installations are required and mechanical damage due to excessive oversteer forces is avoided. There are no matching problems in the electrical wiring and no problems at the time of switching.
  • FIG. 1 shows a schematic diagram of the device according to the invention. Shown is the driver accelerator pedal 1 as a driver control element, to which a potentiometer is connected as a driver signal generator 3. It is also shown a passenger accelerator pedal 2 as a passenger control element, to which a potentiometer is connected as a passenger signal generator 4.
  • the vehicle is already converted for driving school operation. (In the unconverted state, the original signal generator 17 is connected directly to the driver's accelerator pedal 1).
  • the signals of the original signal generator are fed to a control element, namely an engine electronics, not shown, of a drive motor.
  • an override unit 5 which has a first A / D converter 6 and a second A / D converter 7, a data selector 9, an evaluation logic 8 and a D / A converter 10.
  • driver signal generator 3 By actuating the driver's accelerator pedal 1, electrical, analog driver signals are generated by means of the driver signal generator 3, which signals are converted by the first A / D converter 6 into digital signals. These signals are supplied to the data selector 9.
  • the evaluation logic 8 receives co-driver signals, it sends a signal to the data selector 9 so that it selects and forwards the co-driver signals. Otherwise, the data selector 9 forwards the driver signals. There is thus at this point the override of the passenger signals via the driver signals.
  • the signals are forwarded to the D / A converter 10, which analogizes the digital signals. These analog signals are amplified by an output amplifier 11.
  • the gain is adjustable by the voltage adjustment 12. It is thus possible to use the override unit for various motors or other control elements.
  • the voltage adjustment 12 is realized by jumpers.
  • a voltage monitor 15 controls the operating voltage and only gives the electronics permission when a stable voltage, for example 5V, is applied. Thereafter, it continues to monitor the supply voltage and its level.
  • the signals are fed to a motor-specific adaptation 13, which is connected to the servomotor electronics 14 of a servomotor 16.
  • the servomotor 16 controls the original signal generator 17th
  • the original buzzer 17 is actuated in the manner as if it were directly connected to the driver's accelerator pedal 1, i. as in the unconverted state of the vehicle.
  • the override unit is encapsulated in an aluminum housing.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Steering Controls (AREA)

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Übersteuerung bei einem Fahrzeug im Fahrschulbetrieb.The invention relates to a method and a device for overriding in a vehicle in driving school operation.

Für die Fahrerausbildung an einem Fahrzeug werden Ausbildungsfahrzeuge eingesetzt. Diese müssen zuvor mit einer speziellen Fahrschuleinrichtung ausgestattet werden. Zu diesem Zweck werden wichtige Bedienelemente, wie beispielsweise die Lenkung, das Gaspedal oder das Bremspedal für einen Beifahrer, d.h. in der Regel für einen Fahrlehrer, eingebaut. Die Fahrschuleinrichtung kann ebenfalls Übersteuerungseinheiten umfassen, welche die Übersteuerung wichtiger Bedienelemente leisten, so dass der Beifahrer in die Fahrzeugsteuerung eingreifen oder diese übernehmen kann.Training vehicles are used for driver training on a vehicle. These must first be equipped with a special driving school facility. For this purpose, important controls, such as the steering, the accelerator pedal or the brake pedal for a passenger, that is usually installed for a driving instructor. The driving school device may also comprise override units, which provide the override of important controls, so that the passenger can intervene in the vehicle control or take it over.

Die Erfindung findet insbesondere Einsatz an Fahrzeugen, welche ein elektromechanisches Gaspedal oder andere elektromechanische Bedienelemente (z. B. Lenkung oder Bremspedal) aufweisen. Beim elektromechanischen Gaspedal wird beispielsweise die Bewegung des Pedals nicht über ein Gestänge oder über mechanische Züge, sondern elektrisch an eine Motorsteuerung übertragen, welche mit dem Motor verbunden ist. Das Fahrzeug weist zu diesem Zweck ein Fahrer-Bedienelement mit einen Fahrer-Signalgeber, welcher elektrische Fahrer-Signale sendet, und ein Beifahrer-Bedienelement mit einem Beifahrer-Signalgeber, welcher elektrische Beifahrer-Signale sendet, auf. Die Signale der beiden Signalgeber werden einem Steuerungselement zugeführt, im Beispiel der Gasübersteuerung der Motorelektronik eines Antriebsmotors, und leisten die Steuerung des Steuerungselements.The invention finds particular application to vehicles which have an electromechanical accelerator pedal or other electromechanical operating elements (eg steering or brake pedal). In the case of the electromechanical accelerator pedal, for example, the movement of the pedal is not transmitted via a linkage or via mechanical cables, but electrically to a motor control which is connected to the motor. For this purpose, the vehicle has a driver control element with a driver signal transmitter, which transmits electrical driver signals, and a passenger control element with a passenger signal transmitter, which transmits electrical passenger signals. The signals of the two signal generators are supplied to a control element, in the example of gas override of the engine electronics of a drive motor, and provide the control of the control element.

Die Übersteuerung wichtiger Bedienfunktionen an einem Fahrschulfahrzeug wird bisher durch mechanische, pneumatische oder hydraulische Vorrichtungen mit direktem Zugriff auf die Bedienelemente des Fahrschülers vorgenommen. Nachteilig hieran ist der mechanische Verschleiß sowie die hohen räumlichen Anforderungen. Ferner ist eine aufwändige Anpassung des Fahrzeuges notwendig und es tritt ein erhöhter Aufwand durch die Installation von Zusatzaggregaten auf. Des Weiteren müssen die Bedienelemente des Fahrschülers eine ausreichende mechanische Stabilität aufweisen und mechanische Schäden führen zu hohen Kraftaufwendungen an den Bedienteilen.The override of important operating functions on a driving school vehicle has been made by mechanical, pneumatic or hydraulic devices with direct access to the controls of the student. The disadvantage of this is the mechanical wear and the high spatial requirements. Furthermore, a complex adaptation of the vehicle is necessary and there is an increased effort through the installation of additional equipment. Furthermore, the operating elements of the driving pupil must have sufficient mechanical stability and mechanical damage leads to high force expenditures on the operating parts.

Elektrische Umschaltlösungen sehen eine Auftrennung der originalen Verbindungsleitungen zwischen dem originalen Fahrer-Signalgeber und dem Steuerungselement sowie ein Umschalten zwischen übersteuertem Fahrer-Signal und übersteuerndem Beifahrer-Signal vor. Hierbei treten allerdings Totzeiten und undefinierte Zustände während der Signalumschaltung auf. Des weiteren müssen die Leitungen von Rechnern überwacht werden, welche bei Signalfehlern in den Notbetrieb umschalten.Electrical switching solutions provide a separation of the original connecting lines between the original driver signal generator and the control element and a switchover between overdriven driver signal and oversteering passenger signal. In this case, however, dead times and undefined states occur during the signal switching. Furthermore, the lines must be monitored by computers, which switch to signal errors in emergency mode.

Bei der Umrüstung eines Fahrzeuges auf ein Fahrschulfahrzeug wird bei der elektrischen Umschaltlösung der originale Signalweg vom Signalgeber zum Steuerungselement aufgetrennt. Dies ist nachteilig, weil Montage-Fehler während der Umrüstung auftreten können.When converting a vehicle to a driving school vehicle, the original signal path is separated from the signal generator to the control element in the electrical switching solution. This is disadvantageous because assembly errors can occur during the conversion.

Die gattungsgebildende FR 2 779 103 A beschreibt ein Fahrschulfahrzeug mit einem Fahrer-Gaspedal und einem Beifahrer-Gaspedal. An jedes Gaspedal ist jeweils ein elektrischer Signalgeber angeschlossen, deren Signale einer gemeinsamen Übersteuerungseinheit zugeführt werden, welche beispielsweise eine Übersteuerung der Beifahrer-Signale über die Fahrer-Signale leistet. Von der Übersteuerungseinheit werden die Signale einer Elektronik zur Motorsteuerung zugeführt. Die Übersteuerungseinheit liegt zwischen dem Original-Signalgeber des Fahrer-Gaspedals und der Elektronik, so dass bei dem Umrüstvorgang von einem normalen Fahrzeug mit nur einem Gaspedal auf ein Fahrschulfahrzeug mit zwei Gaspedalen zur Zwischenschaltung der Übersteuerungseinheit der Original-Signalweg von dem Original-Signalgeber zur Motorsteuer-Elektronik aufgetrennt werden muss. Dies ist nachteilig, weil durch die Auftrennung Fehler während der Umrüstung auftreten können.The generic FR 2 779 103 A describes a driving school vehicle with a driver accelerator and a passenger accelerator. To each accelerator pedal is connected in each case an electrical signal generator whose signals are supplied to a common override unit, which, for example, makes an override of the passenger signals via the driver signals. From the override unit, the signals are fed to an electronic engine control. The override unit is located between the original driver of the accelerator pedal and the electronics, so that in the conversion process from a normal vehicle with only one accelerator pedal on a driving school vehicle with two accelerators for interposition of the override unit of the original signal from the original signal generator to the engine control -Electronics must be separated. This is disadvantageous because errors can occur during the conversion due to the separation.

Aufgabe der Erfindung ist, die beschriebenen Nachteile zu überwinden. Aufgabe ist ferner die Umrüstung eines Fahrzeug auf ein Fahrschulfahrzeug, bei welcher die beschriebenen Nachteile nicht auftreten.The object of the invention is to overcome the disadvantages described. Another object is the conversion of a vehicle to a driving school vehicle, in which the disadvantages described do not occur.

Die Erfindung löst die Aufgabe verfahrensmäßig mit den Merkmalen des Patentanspruchs 1 und vorrichtungsmäßig mit den Merkmalen des Patentanspruchs 6. Vorteilhafte Weiterbildungen sind in den abhängigen Ansprüchen beschrieben.The invention solves the problem procedurally with the features of claim 1 and device-wise with the features of claim 6. Advantageous further developments are described in the dependent claims.

Erfindungsgemäß wird ein Stellglied dazu verwendet, einen Original- Signalgeber zu steuern. Dieser Signalgeber ist im nicht auf den Fahrschulbetrieb umgerüsteten Fahrzeug direkt an das Fahrer-Bedienelement angeschlossen Das Stellglied übernimmt somit im umgerüsteten Fahrzeug die mechanische Funktion des Fahrer-Bedienelements. Bei dieser Ausführung kann insbesondere vermieden werden, dass der originale Signalweg vom originalen Signalgeber zum Steuerungselement aufgetrennt wird. Ferner werden die Fahrer-Signale und Beifahrer-Signale einer Übersteuerungseinheit zugeführt, welche, falls sie Beifahrer-Signale vom Beifahrer-Signalgeber empfängt, eine Übersteuerung der Beifahrer-Signale über die Fahrer-Signale leistet, so dass im Fall der Übersteuerung die Beifahrer-Signale die Steuerung des Stellglieds leisten.According to the invention, an actuator is used to control an original signal generator. This signal generator is connected directly to the driver control element in the vehicle not converted to the driving school mode. The actuator thus assumes the mechanical function of the driver control element in the converted vehicle. In this embodiment, it can be avoided, in particular, that the original signal path is separated from the original signal generator to the control element. Further, the driver signals and passenger signals of an override unit which, if it receives passenger signals from the front passenger signal transmitter, provides an override of the passenger signals via the driver signals, so that in the case of override the passenger signals provide the control of the actuator.

Vorteilhafterweise weist die Übersteuerungseinheit zwei A/D-Wandler, einen Datenselektor, eine Auswertelogik und einen D/A-Wandler auf. Die beiden Signalgeber geben analoge Signale aus, welche mittels der A/D-Wandler in digitale Signale gewandelt werden, welche dem Datenselektor zugeführt werden. Das digitalisierte Beifahrer-Signal wird zudem der Auswertelogik zugeführt, welche die Steuerung des Datenselektors leistet. Das vom Datenselektor ausgewählte Signal wird mittels des D/A-Wandler in ein analoges Signal gewandelt, welches die Steuerung des Stellglieds leistet.Advantageously, the override unit has two A / D converters, a data selector, an evaluation logic and a D / A converter. The two signal transmitters output analog signals, which are converted into digital signals by means of the A / D converters, which are supplied to the data selector. The digitized passenger signal is also fed to the evaluation logic, which provides the control of the data selector. The signal selected by the data selector is converted by means of the D / A converter into an analog signal, which performs the control of the actuator.

Die vom D/A-Wandler analogisierten Signale können mittels eines Ausgangsverstärkers verstärkt werden.The signals analogized by the D / A converter can be amplified by means of an output amplifier.

Damit die Übersteuerungseinheit für eine Vielzahl von unterschiedlichen Fahrzeugen und Motoren einsetzbar ist, kann der Verstärkungsgrad des Ausgangsverstärkers einstellbar ausgeführt ein.In order for the override unit to be used for a variety of different vehicles and engines, the gain of the output amplifier can be made adjustable.

Die erfindungsgemäße Vorrichtung ist zur Durchführung des erfindungsgemäßen Verfahrens geeignet. Die Vorrichtung weist ein Stellglied, insbesondere einen Stellmotor, welches im Faluschulbetrieb die mechanische Funktion des Fahverbedienelements übernimmt, und eine Übersteuerungseinheit auf, welcher die Signale der Signalgeber zugeführt werden, und welche, falls sie Signale vom Beifahrer-Signalgeber empfängt, eine Übersteuerung der Beifahrer-Signale über die Fahrer-Signale leistet, so dass im Fall der Übersteuerung die Beifahrer-Signale die Steuerung des Stellglieds leisten.The device according to the invention is suitable for carrying out the method according to the invention. The device has an actuator, in particular a servo motor, which assumes the mechanical function of the Fahverbedienelements in Faluschulbetrieb, and an override unit to which the signals of the signal generator are supplied, and which, if it receives signals from the front passenger signal generator, an override of the passenger Signals on the driver signals makes, so that in the case of oversteer, the passenger signals provide the control of the actuator.

Vorzugsweise weist die Übersteuerungseinheit zwei A/D-Wandler, einen Datenselektor, eine Auswertelogik und einen D/A-Wandler auf, wobei die A/D-Wandler die von den beiden Signalgebern gesendeten analogen Signale in digitale Signale wandeln, welche dem Datenselektor zugeführt werden, wobei die Auswertelogik, welcher das digitalisierte Beifahrer-Signal zugeführt wird, die Steuerung des Datenselektors leistet, wobei der Datenselektor ein Signal auswählt, und wobei der D/A-Wandler das ausgewählte Signal in ein analoges Signal wandelt, welches die Steuerung des Stellglieds leistet.Preferably, the override unit comprises two A / D converters, a data selector, an evaluation logic and a D / A converter, wherein the A / D converters convert the analog signals sent by the two signal generators into digital signals which are supplied to the data selector wherein the evaluation logic to which the digitized passenger signal is applied provides control of the data selector, wherein the data selector selects a signal, and wherein the D / A converter converts the selected signal into an analog signal which provides control of the actuator ,

Die Übersteuerungseinheit kann einen Ausgangsverstärker aufweisen, welcher die vom D/A-Wandler analogisierten Signale verstärkt.The override unit may comprise an output amplifier which amplifies the signals analogized by the D / A converter.

Bei der Umrüstung des Fahrzeugs auf ein Fahrschulfahrzeug werden neben dem Einbau eines Beifahrer-Bedienelements und eines zugehörigen Beifahrer-Signalgebers zwischen das Fahrer-Gaspedal und den originalen Signalgeber ein weiterer Signalgeber als neuer Signalgeber und eine an diesen angeschlossene Übersteuerungseinheit zwischengeschaltet, wobei der Beifahrer-Signalgeber ebenfalls an die Übersteuerungseinheit angeschlossen wird. Der originale Signalweg vom insbesondere originalen Signalgeber zum Steuerungselement wird nicht aufgetrennt und bleibt somit erhalten. Es werden ferner außer dem notwendigerweise zu installierenden Beifahrer-Bedienelement keine mechanischen Einbauten benötigt und mechanische Schäden durch zu hohe Übersteuerungskräfte werden vermieden. Es treten keine Anpassprobleme in der elektrischen Verdrahtung und keine Probleme zum Zeitpunkt eines Umschaltens auf.In the conversion of the vehicle to a driving school vehicle next to the installation of a passenger control element and an associated passenger signal transmitter between the driver's accelerator pedal and the original signal transmitter another signal transmitter interposed as a new signal generator and connected to this override unit, the passenger signal generator also connected to the override unit. The original signal path from the particular original signal generator to the control element is not separated and thus remains. Furthermore, apart from the passenger control element that is necessarily to be installed, no mechanical installations are required and mechanical damage due to excessive oversteer forces is avoided. There are no matching problems in the electrical wiring and no problems at the time of switching.

Im Folgenden wird ein Ausführungsbeispiel der Erfindung an Hand der beigefügten Zeichnung näher erläutert.In the following an embodiment of the invention will be explained in more detail with reference to the accompanying drawing.

Die Figur 1 zeigt ein Prinzipschaltbild der erfindungsgemäßen Vorrichtung. Dargestellt ist das Fahrer-Gaspedal 1 als Fahrer-Bedienelement, an welches ein Potentiometer als Fahrer-Signalgeber 3 angeschlossen ist. Es ist ferner ein Beifahrer-Gaspedal 2 als Beifahrer-Bedienelement dargestellt, an welches ein Potentiometer als Beifahrer-Signalgeber 4 angeschlossen ist. Das Fahrzeug ist bereits für den Fahrschulbetrieb umgerüstet. (Im nicht umgerüsteten Zustand ist an das Fahrer-Gaspedal 1 direkt der originale Signalgeber 17 angeschlossen). Die Signale des originalen Signalgebers werden einem Steuerungselement, nämlich einer nicht dargestellten Motorelektronik eines Antriebsmotors zugeführt.The FIG. 1 shows a schematic diagram of the device according to the invention. Shown is the driver accelerator pedal 1 as a driver control element, to which a potentiometer is connected as a driver signal generator 3. It is also shown a passenger accelerator pedal 2 as a passenger control element, to which a potentiometer is connected as a passenger signal generator 4. The vehicle is already converted for driving school operation. (In the unconverted state, the original signal generator 17 is connected directly to the driver's accelerator pedal 1). The signals of the original signal generator are fed to a control element, namely an engine electronics, not shown, of a drive motor.

Des Weiteren ist eine Übersteuerungseinheit 5 dargestellt, welche einen ersten A/D-Wandler 6 und einen zweiten A/D-Wandler 7, einen Datenselektor 9, eine Auswertelogik 8 und einen D/A-Wandler 10 aufweist.Furthermore, an override unit 5 is shown which has a first A / D converter 6 and a second A / D converter 7, a data selector 9, an evaluation logic 8 and a D / A converter 10.

Durch Betätigung des Fahrer-Gaspedals 1 werden mittels des Fahrer-Signalgebers 3 elektrische, analoge Fahrer-Signale erzeugt, welche von dem ersten A/D-Wandler 6 in digitale Signale gewandelt werden. Diese Signale werden dem Datenselektor 9 zugeführt.By actuating the driver's accelerator pedal 1, electrical, analog driver signals are generated by means of the driver signal generator 3, which signals are converted by the first A / D converter 6 into digital signals. These signals are supplied to the data selector 9.

Durch Betätigung des Beifahrer-Gaspedals 2 werden mittels des Beifahrer-Signalgebers 4 elektrische, analoge Beifahrer-Signale erzeugt, welche von dem zweiten A/D-Wandler 7 in digitale Signale gewandelt werden. Diese Signale werden ebenfalls dem Datenselektor 9 zugeführt. Ferner werden diese Signale der Auswertelogik 8 zugeführt, welche die Steuerung des Datenselektors 9 leistet.By operating the passenger accelerator pedal 2, electrical passenger co-driver signals are generated by means of the co-driver signal generator 4, which signals are converted by the second A / D converter 7 into digital signals. These signals are also supplied to the data selector 9. Furthermore, these signals are supplied to the evaluation logic 8, which performs the control of the data selector 9.

Sobald die Auswertelogik 8 Beifahrer-Signale empfängt, sendet sie ein Signal an den Datenselektor 9, so dass dieser die Beifahrer-Signale auswählt und weiterleitet. Ansonsten werden vom Datenselektor 9 die Fahrer-Signale weitergeleitet. Es erfolgt somit an dieser Stelle die Übersteuerung der Beifahrer-Signale über die Fahrer-Signale.As soon as the evaluation logic 8 receives co-driver signals, it sends a signal to the data selector 9 so that it selects and forwards the co-driver signals. Otherwise, the data selector 9 forwards the driver signals. There is thus at this point the override of the passenger signals via the driver signals.

Vom Datenselektor werden die Signale an den D/A-Wandler 10 weitergeleitet, welcher die digitalen Signale analogisiert. Diese analogen Signale werden von einem Ausgangsverstärker 11 verstärkt. Der Verstärkungsgrad ist durch die Spannungsanpassung 12 einstellbar. Es ist somit möglich, die Übersteuerungseinheit für verschiedene Motoren oder sonstige Steuerungselemente zu verwenden. Die Spannungsanpassung 12 ist durch Jumper realisiert.From the data selector, the signals are forwarded to the D / A converter 10, which analogizes the digital signals. These analog signals are amplified by an output amplifier 11. The gain is adjustable by the voltage adjustment 12. It is thus possible to use the override unit for various motors or other control elements. The voltage adjustment 12 is realized by jumpers.

Ein Spannungswächter 15 kontrolliert die Betriebsspannung und erteilt der Elektronik erst die Freigabe, wenn eine stabile Spannung, beispielsweise 5V, anliegt. Danach überwacht er weiterhin die Versorgungsspannung und deren Pegel.A voltage monitor 15 controls the operating voltage and only gives the electronics permission when a stable voltage, for example 5V, is applied. Thereafter, it continues to monitor the supply voltage and its level.

Die Signale werden einer motorspezifischen Adaption 13 zugeführt, welche mit der Stellmotorelektronik 14 eines Stellmotors 16 verbunden ist. Der Stellmotor 16 steuert den originalen Signalgeber 17.The signals are fed to a motor-specific adaptation 13, which is connected to the servomotor electronics 14 of a servomotor 16. The servomotor 16 controls the original signal generator 17th

Falls beispielsweise der Fahrer das Fahrer-Gaspedal 1 betätigt und der Beifahrer das Beifahrer-Gaspedal 2 nicht betätigt, so wird der originale Signalgeber 17 auf die Weise angesteuert, als wenn er direkt am Fahrer-Gaspedal 1 angeschlossen wäre, d.h. wie im nicht umgerüsteten Zustand des Fahrzeugs.For example, if the driver operates the driver's accelerator pedal 1 and the passenger does not operate the passenger's accelerator pedal 2, the original buzzer 17 is actuated in the manner as if it were directly connected to the driver's accelerator pedal 1, i. as in the unconverted state of the vehicle.

Die Übersteuerungseinheit ist gekapselt in einem Aluminiumgehäuse ausgeführt.The override unit is encapsulated in an aluminum housing.

Claims (10)

  1. Process for steering override in a vehicle that has been set up for driving-school operation, the vehicle exhibiting a driver operating element, in particular a driver accelerator pedal (1), with a driver signal generator (3) which transmits electrical driver signals, and a co-driver operating element, in particular a co-driver accelerator pedal (2), with a co-driver signal generator (4) which transmits electrical co-driver signals,
    characterised
    in that the signals of the two signal generators (3, 4) achieve the control of an actuating member (16), which in driving-school operation undertakes the mechanical function of the driver operating element, for the control of an original signal generator (17), in that the signals of the driver signal generator and co-driver signal generator (3, 4) are supplied to a steering-override unit (5), and in that the steering-override unit (5), if it receives co-driver signals from the co-driver signal generator (4), achieves a steering override of the co-driver signals over the driver signals, so that in the case of steering override the co-driver signals achieve the control of the actuating member (16).
  2. Process according to Claim 1, characterised in that the two signal generators (3, 4) output analogue signals, in that the steering-override unit (5) exhibits two A/D converters (6, 7), a data selector (9), an evaluating logic unit (8) and a D/A converter (10), in that by means of the A/D converters (6, 7) the signals are converted into digital signals which are supplied to the data selector (9), in that the digitised co-driver signal is, in addition, supplied to the evaluating logic unit (8) which achieves the control of the data selector (9), and in that the signal selected by the data selector (9) is converted by means of the D/A converter (10) into an analogue signal which achieves the control of the actuating member (16).
  3. Process according to Claim 2, characterised in that the signals analogised by the D/A converter (10) are amplified by means of an output amplifier (11).
  4. Process according to Claim 3, characterised in that the output amplifier (11) amplifies the analogised signals in such a manner that they correspond to the signals of the corresponding signal generator (3, 4).
  5. Process according to Claim 3, characterised in that the gain of the output amplifier (11) is adjustable.
  6. Apparatus for implementing the process according to Claim 1 for the purpose of steering override in a vehicle that has been set up for driving-school operation, said vehicle exhibiting a driver operating element, in particular a driver accelerator pedal (1), with a driver signal generator (3) which transmits electrical driver signals, and a co-driver operating element, in particular a co-driver accelerator pedal (2), with a co-driver signal generator (4) which transmits electrical co-driver signals,
    characterised
    in that the signals of the two signal generators (3, 4) achieve the control of an actuating member (16), which in driving-school operation undertakes the mechanical function of the driver operating element, for the control of an original signal generator (17), in that the apparatus exhibits a steering-override unit (5), to which the signals of the driver signal generator and co-driver signal generator (3, 4) are supplied, and which, if it receives signals from the co-driver signal generator (4), achieves a steering override of the co-driver signals over the driver signals, so that in the case of steering override the co-driver signals achieve the control of the actuating member (16).
  7. Apparatus according to Claim 6, characterised in that the steering-override unit (5) exhibits two A/D converters (6, 7), a data selector (9), an evaluating logic unit (8) and a D/A converter (10), whereby the A/D converters (6, 7) convert the analogue signals transmitted by the two signal generators (3, 4) into digital signals which are supplied to the data selector (9), whereby the evaluating logic unit (8), to which the digitised co-driver signal is supplied, achieves the control of the data selector (9), whereby the data selector (9) selects a signal, and whereby the D/A converter converts the selected signal into an analogue signal which achieves the control of the actuating member (16).
  8. Apparatus according to Claim 7, characterised in that the steering-override unit (5) exhibits an output amplifier (11) which amplifies the signals analogised by the D/A converter (10).
  9. Apparatus according to one of Claims 6 to 8, characterised in that the actuating member includes a servomotor (16).
  10. Apparatus according to Claim 10, characterised in that the actuating member includes servomotor electronics (14).
EP20070001362 2006-01-27 2007-01-23 Method and device for steering override of a vehicle used in a driving school Active EP1814012B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610003977 DE102006003977A1 (en) 2006-01-27 2006-01-27 Method and device for overriding a vehicle in driving school operation

Publications (3)

Publication Number Publication Date
EP1814012A2 EP1814012A2 (en) 2007-08-01
EP1814012A3 EP1814012A3 (en) 2009-01-21
EP1814012B1 true EP1814012B1 (en) 2013-02-20

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ID=38027210

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Application Number Title Priority Date Filing Date
EP20070001362 Active EP1814012B1 (en) 2006-01-27 2007-01-23 Method and device for steering override of a vehicle used in a driving school

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EP (1) EP1814012B1 (en)
DE (1) DE102006003977A1 (en)
ES (1) ES2401710T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3080355B1 (en) 2013-12-11 2019-05-15 Prinoth Ltd. Seat system for a snow groomer
FR3044118A1 (en) * 2015-11-23 2017-05-26 Peugeot Citroen Automobiles Sa METHOD AND DEVICE FOR CHECKING THE ACCELERATION OF A DUAL-CONTROLLED VEHICLE BASED ON ENCOUNTERS

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190442A (en) * 1983-04-11 1984-10-29 Nissan Motor Co Ltd Accelerator controller for vehicle
DE3510176A1 (en) * 1984-08-16 1986-02-27 Robert Bosch Gmbh, 7000 Stuttgart ELECTRONIC DRIVE PEDAL FOR A MOTOR VEHICLE
DE3628535A1 (en) * 1986-08-22 1988-03-03 Vdo Schindling ARRANGEMENT FOR ACTUATING AN ACTUATOR
DE4029334A1 (en) * 1990-09-15 1992-03-19 Teves Gmbh Alfred PEDAL UNIT FOR A MOTOR VEHICLE
FR2722466B1 (en) * 1994-07-13 1996-10-11 Henri Bonnard DUAL CONTROL DEVICE ACTING ON DEMAND ON THE BRAKING AND / OR ON THE CLUTCH AND / OR ON THE ACCELERATOR OF A SCHOOL VEHICLE
FR2779103A1 (en) * 1998-05-29 1999-12-03 Sofedit Twin clutch and acceleration or brake control device for driving school vehicles.
DE50114557D1 (en) * 2000-02-02 2009-01-22 Bernafon Ag Circuit and method for adaptive noise cancellation
FR2840419B1 (en) * 2002-06-04 2004-08-27 Peugeot Citroen Automobiles Sa AUTOMOTIVE VEHICLE WITH DOUBLE CONTROLS, ESPECIALLY FOR DRIVING SCHOOLS, WITH ELECTRIC ACCELERATION PEDALS

Also Published As

Publication number Publication date
ES2401710T3 (en) 2013-04-23
DE102006003977A1 (en) 2007-08-09
EP1814012A3 (en) 2009-01-21
EP1814012A2 (en) 2007-08-01

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