DE19912425A1 - Combination motor vehicle braking arrangement for vehicle with starter-generator - Google Patents

Combination motor vehicle braking arrangement for vehicle with starter-generator

Info

Publication number
DE19912425A1
DE19912425A1 DE19912425A DE19912425A DE19912425A1 DE 19912425 A1 DE19912425 A1 DE 19912425A1 DE 19912425 A DE19912425 A DE 19912425A DE 19912425 A DE19912425 A DE 19912425A DE 19912425 A1 DE19912425 A1 DE 19912425A1
Authority
DE
Germany
Prior art keywords
brake
motor vehicle
vehicle braking
braking device
generator
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
Application number
DE19912425A
Other languages
German (de)
Inventor
Ernst Niedermeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19912425A priority Critical patent/DE19912425A1/en
Publication of DE19912425A1 publication Critical patent/DE19912425A1/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/003—Dynamic electric braking by short circuiting the motor
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/10—Indicating wheel slip ; Correction of wheel slip
    • B60L3/106—Indicating wheel slip ; Correction of wheel slip for maintaining or recovering the adhesion of the drive wheels
    • B60L3/108—Indicating wheel slip ; Correction of wheel slip for maintaining or recovering the adhesion of the drive wheels whilst braking, i.e. ABS
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/12—Dynamic electric regenerative braking for vehicles propelled by dc motors
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
    • B60L7/26—Controlling the braking effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/585—Combined or convertible systems comprising friction brakes and retarders
    • B60T13/586—Combined or convertible systems comprising friction brakes and retarders the retarders being of the electric type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/748—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on electro-magnetic brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/46—Drive Train control parameters related to wheels
    • B60L2240/461—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/26—Driver interactions by pedal actuation
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Regulating Braking Force (AREA)

Abstract

The arrangement has a frictional brake (BR1-BR4) pref. for each wheel (R1-R4) and an electrical machine brake (BE3;BE4) pref. acting only on each driven wheel, especially in the form of a starter-generator (SG), an actuator for the braking arrangement, esp. a foot brake pedal (P), and a controller (ST) for distributing the braking load between the frictional brakes and the electrical machine brakes. The brake force distribution is dependent on the displacement of the actuator.

Description

Die Erfindung bezieht sich auf eine kombinierte Kraftfahr­ zeug-Bremsvorrichtung gemäß Patentanspruch 1.The invention relates to a combined motor vehicle Tool braking device according to claim 1.

Durch die DE 196 31 384 C1 ist eine elektrische Maschine mit einem Stator und einem im Antriebsstrang einer Verbrennungs­ maschine, z. B. auf deren Kurbelwelle, angeordneten Rotor be­ kannt; eine solche elektrische Maschine übernimmt als Star­ ter-Generator sowohl die Funktion einer generatorischen Fahr­ zeugbremse als auch einer Antriebshilfe. Als Maschinen-Typ sind Drehfeldmaschinen in Asynchron- oder Synchronbauweise vorgesehen, wobei der Rotor als Kurzschlußläufer oder auch mit ausgeprägten Magnetpolen ausgebildet sein kann.An electrical machine is included in DE 196 31 384 C1 a stator and one in the drivetrain of a combustion machine, e.g. B. on the crankshaft, arranged rotor be knows; such an electrical machine takes over as a star ter generator both function as a generator driving brake as well as a drive aid. As a machine type are three-phase machines in asynchronous or synchronous design provided, the rotor as a squirrel-cage rotor or can be formed with pronounced magnetic poles.

Bei Fahrzeugen der vorgenannten Art stehen also zwei Bremssy­ steme, nämlich zum einen die üblicherweise auf sämtliche Rä­ der wirkende bekannte Reibmittel-Bremse und zum anderen die, in der Regel nur auf die angetriebenen Räder wirkende, elek­ trische Maschinen-Bremse, insbesondere in Form eines Starter- Generators, im Antriebsstrang zwischen dem Getriebe und der Verbrennungsmaschine des Fahrzeuges zur Verfügung.In vehicles of the aforementioned type there are two brake systems steme, namely the one that usually applies to all rooms the effective known friction brake and on the other hand the usually only on the driven wheels, elec trical machine brake, especially in the form of a starter Generator, in the driveline between the transmission and the Internal combustion engine of the vehicle available.

Gemäß Aufgabe vorliegender Erfindung soll ausgehend von einer üblichen Bremsbetätigung durch ein Brems-Betätigungsorgan, insbesondere in Form eines Fuß-Bremspedals, bei einer kombi­ nierten Kraftfahrzeug-Bremsvorrichtung mit einer Reibmittel- Bremse und mit einer elektrischen Maschinen-Bremse jederzeit eine betriebsoptimale Bremsung gewährleistet werden können.According to the object of the present invention, starting from a usual brake actuation by a brake actuator, especially in the form of a foot brake pedal, in a combi motor vehicle braking device with a friction Brake and with an electric machine brake at any time optimal braking can be guaranteed.

Die Lösung dieser Aufgabe gelingt durch die Lehre des An­ spruchs 1; vorteilhafte Ausgestaltungen der Erfindung sind jeweils Gegenstand der Unteransprüche. This task can be solved by teaching the An saying 1; are advantageous embodiments of the invention each subject of the subclaims.  

Die erfindungsgemäße kombinierte Kraftfahrzeug-Bremsvorrich­ tung erlaubt ohne zusätzliche Bedienmaßnahmen des Fahrzeug­ führers, d. h. unter Beibehaltung des vertrauten User-Inter­ face, jeweils durch übliche Betätigung des Brems-Betätigungs­ organs, insbesondere des Fuß-Bremspedals, die Entlastung der Reibmittel-Bremse durch die elektrische Maschinen-Bremse mit gleichzeitiger Rückgewinnung elektrischer Energie zur Ladung der Fahrzeugbatterie aus der kinetischen Energie des abzu­ bremsenden Fahrzeuges; dabei kann auf besondere Betriebsver­ hältnisse durch Erfassung von entsprechenden Meßgrößen in der Steuerung und von dieser, z. B. aufgrund abgespeicherter Para­ meter, geänderter Verteilung zwischen den beiden Bremssyste­ men selbsttätig reagiert werden kann.The combined motor vehicle brake device according to the invention device allows without additional operating measures of the vehicle leader, d. H. while maintaining the familiar user inter face, in each case by the usual actuation of the brake actuation organs, especially the foot brake pedal, the relief of Friction brake with the electric machine brake simultaneous recovery of electrical energy for charging the vehicle battery from the kinetic energy of the ab braking vehicle; it can refer to special Betriebsver ratios by capturing appropriate measurements in the Control and from this, e.g. B. due to stored para meter, changed distribution between the two brake systems men can react automatically.

Als eine die Bremsverteilung beeinflussende Meßgröße ist nach einer Ausgestaltung der Erfindung die jeweils, z. B. nach Ge­ schwindigkeit und Beladung des Fahrzeugs unterschiedliche, notwendige Bremsenergie bzw. Bremskraft vorgesehen, die vor­ teilhaft durch den Hubweg des Brems-Betätigungsorgans bzw. des Fuß-Bremspedals erfaßbar ist. Je nach absoluter Größe der erforderlichen Bremsleistung hat die elektrische Bremsmaschi­ ne einen unterschiedlichen Anteil an der Gesamtbremsleistung; da ihre Bremsleistung relativ klein ist, wird ihr Anteil mit steigender Gesamtbremsleistung zurückgehen.As a measured variable influencing the brake distribution, an embodiment of the invention, each, for. B. Ge speed and loading of the vehicle differ, necessary braking energy or braking force provided that before partly through the stroke of the brake actuator or of the foot brake pedal is detectable. Depending on the absolute size of the the electric braking machine has the required braking power ne a different proportion of the total braking power; since their braking power is relatively small, their share with increasing total braking power decrease.

Als weitere Meßgröße ist nach einer Ausgestaltung der Erfin­ dung der jeweilige Ladezustand der Batterie berücksichtigt worden, der vorteilhaft durch die Batteriespannung erfaßbar ist.According to one embodiment, the Erfin the current state of charge of the battery is taken into account been, which can be advantageously detected by the battery voltage is.

Um in jedem Fall eine sichere ABS-Funktion zu gewährleisten, ist nach einer weiteren Ausgestaltung vorgesehen, daß in Ab­ hängigkeit eines Radschlupfes von der Steuerung die elektri­ sche Maschinen-Bremsung soweit zurückgenommen wird, daß die Reibmittel-Bremse unbeschränkt die ABS-Funktion erfüllen kann. In order to ensure a safe ABS function in any case, is provided according to a further embodiment that in Ab dependence of a wheel slip from the control the electri cal machine braking is withdrawn so far that the The friction brake fulfills the ABS function without restriction can.  

Zweckmäßigerweise wird eine an sich bereits vorhandene Steuerelektronik zur radindividuellen Bremsung der Räder bzw. zur Regelung der elektrischen Maschinen-Bremse zur Steuerung der erfindungsgemäßen Bremslastverteilung bei Betätigung des Fuß-Bremspedals mitbenutzt, so daß auf entsprechende zusätz­ liche Hardware verzichtet werden kann.It is expedient to use an existing one Control electronics for wheel-specific braking of the wheels or for regulating the electrical machine brake for control the brake load distribution according to the invention when the Foot brake pedal used, so that on corresponding additional hardware can be dispensed with.

Die Erfindung wird im folgenden anhand eines schematisch dar­ gestellten Funktionbildes eines Ausführungsbeispiels näher erläutert.The invention is illustrated schematically below with reference to a provided functional picture of an embodiment explained.

Die Figur zeigt ein durch zwei Vorder-Räder R1; R2 und zwei Hinter-Räder R3; R4 angedeutetes Fahrzeug; in einem auf die Hinter-Räder R3; R4 wirkenden Antriebsstrang ist zwischen ei­ ner Verbrennungsmaschine VM und einem Getriebe GE ein Star­ ter-Generator SG mit zur Kurbelwelle der Verbrennungsmaschine VM konzentrischem Rotor bzw. Stator angeordnet.The figure shows a by two front wheels R 1 ; R 2 and two rear wheels R 3 ; R 4 indicated vehicle; in one on the rear wheels R 3 ; R 4 acting drive train is arranged between egg ner internal combustion engine VM and a gearbox GE a starter generator SG with the crankshaft of the internal combustion engine VM concentric rotor or stator.

Bei Generator-Betrieb des Starter-Generators SG kann von die­ sem eine Fahrzeug-Batterie B geladen und gleichzeitig eine Bremskraft BE3 bzw. BE4 auf die Hinter-Räder R3; R4 im Antriebs­ strang ausgeübt werden. Zusätzlich bzw. alternativ sind in üblicher Weise sämtliche Räder R1-R4 durch je eine Bremskraft BR1-BR4 einer Reibmittel-Bremse abbremsbar. Die Bremskraft der Reibmittel-Bremse kann über eine hier nicht dargestellte elektronische Steuerung, insbesondere bei vorhandener ABS- Bremsvorrichtung, individuell ansteuerbar sein; in ähnlicher Weise kann eine nicht dargestellte elektronische Steuerung für den Starter-Generator SG vorgesehen sein.During generator operation of the starter generator SG, a vehicle battery B can be charged by the sem and at the same time a braking force BE 3 or BE 4 on the rear wheels R 3 ; R 4 can be exercised in the drive train. Additionally or alternatively, all the wheels R 1- R 4 can be braked in the usual way by a braking force BR 1- BR 4 of a friction brake. The braking force of the friction brake can be individually controllable via an electronic control, not shown here, in particular if there is an ABS braking device; Similarly, an electronic control, not shown, can be provided for the starter generator SG.

Erfindungsgemäß ist die Bremsverteilung zwischen der durch den Starter-Generator SG repräsentierten elektrischen Ma­ schinen-Bremse einerseits und der Reibmittel-Bremse anderer­ seits selbsttätig in Abhängigkeit von gegebenenfalls mehreren betriebsmäßig veränderlichen bzw. vorgegebenen Meßgrößen über eine Steuerung ST im Sinne optimaler Betriebs- bzw. Bremsver­ hältnisse einstellbar, die dem eigentlichen Brems-Betäti­ gungsorgan in Form eines Fuß-Bremspedals P derart nachge­ schaltet ist, daß dem Fahrzeugführer trotz der gegegebenen­ falls veränderlichen Bremsverteilung das vertraute User- Interface erhalten wird.According to the brake distribution between the through the electrical generator represented the starter generator SG machine brake on the one hand and the friction brake on the other on the one hand, depending on possibly several operationally variable or predetermined measured variables via a control ST in the sense of optimal operating or braking Ratios adjustable, the actual brake actuation  supply organ in the form of a foot brake pedal P so nachge is switched that the vehicle driver despite the given if the brake distribution changes, the familiar user Interface is obtained.

Als Einflußgröße für die Steuerung ST sind nach einer Ausge­ staltung der Erfindung zum einen der über z. B. die Spannung UB feststellbarer Ladezustand der Batterie B sowie die, z. B. über den Pedal-Hubweg HP des Fuß-Bremspedals P feststellbare, jeweilige Bremskraft bzw. Bremsenergiebedarf vorgesehen.As an influencing variable for the control ST are after a configuration of the invention on the one hand, the z. B. the voltage U B detectable state of charge of the battery B and the z. B. via the pedal stroke distance H P of the foot brake pedal P ascertainable, respective braking force or braking energy requirement is provided.

Zur Gewährleistung einer sicheren ABS-Funktion ist nach einer weiteren Ausgestaltung der Erfindung vorgesehen, bei Einset­ zen einer ABS-Bremsung aufgrund eines über die Drehzahlen n1-n4 der Räder R1-R4 feststellbaren Radschlupfes ΔnR1-ΔnR4 den Anteil der elektrischen Maschinen-Bremse gegenüber der Reibmittel-Bremse entsprechend zurückzunehmen.To ensure a safe ABS function is provided according to a further embodiment of the invention, when inserting an ABS braking due to a detectable via the speeds n1-n4 of the wheels R 1- R 4 wheel slip Δn R1 -Δn R4, the proportion of electrical machines - Take the brake back accordingly compared to the friction brake.

Claims (5)

1. Kombinierte Kraftfahrzeug-Bremsvorrichtung
  • - mit einer, vorzugsweise auf sämtliche Räder (R1-R4) wir­ kenden, Reibmittel-Bremse (BR1-BR4),
  • - mit einer, vorzugsweise nur auf die angetriebenen Räder (R3; R4), wirkenden elektrischen Maschinen-Bremse (BE3; BE4), insbesondere in Form eines Starter-Generators (SG),
  • - mit einem die Bremsvorrichtung betätigenden Brems-Betäti­ gungsorgan, insbesondere einem Fuß-Bremspedal (P),
  • - mit einer dem Brems-Betätigungsorgan, insbesondere dem Fuß-Bremspedal (P), nachgeschalteten Steuerung (ST) zur Verteilung der jeweiligen Bremslast zwischen der Reibmit­ tel-Bremse und der elektrischen Maschinen-Bremse.
1. Combined motor vehicle braking device
  • - With one, preferably on all wheels (R 1- R 4 ) we end, friction brake (BR 1- BR 4 ),
  • - with a, preferably only to the driven wheels (R 3 R 4), acting electrical machinery brake (BE 3; BE 4), in particular in the form of a starter generator (SG),
  • - With a brake actuator actuating brake actuator, in particular a foot brake pedal (P),
  • - With a brake actuator, in particular the foot brake pedal (P), downstream control (ST) for distributing the respective brake load between the Reibmit tel brake and the electrical machine brake.
2. Kombinierte Kraftfahrzeug-Bremsvorrichtung nach Anspruch 1
  • - mit einer Bremslast-Verteilung zwischen der elektrischen Maschinen-Bremse und der Reibmittel-Bremse in Abhängigkeit von dem Verstellweg des Brems-Betätigungsorgans, insbeson­ dere von dem Pedal-Hubweg (HP) des Fuß-Bremspedals (P).
2. Combined motor vehicle braking device according to claim 1
  • - With a brake load distribution between the electric machine brake and the friction brake depending on the adjustment of the brake actuator, in particular the pedal stroke (H P ) of the foot brake pedal (P).
3. Kombinierte Kraftfahrzeug-Bremsvorrichtung nach Anspruch 1 und/oder 2
  • - mit einer durch die elektrische Maschinen-Bremse, insbe­ sondere den Starter-Generator (SG), in deren Generatorbe­ trieb speisbaren Fahrzeug-Batterie (B),
  • - mit einer Bremslast-Verteilung zwischen der elektrischen Maschinen-Bremse und der Reibmittel-Bremse in Abhängigkeit von dem Ladezustand (UB) der Fahrzeug-Batterie (B).
3. Combined motor vehicle braking device according to claim 1 and / or 2
  • - With a through the electric machine brake, in particular special the starter generator (SG), in their generator operated vehicle battery (B),
  • - With a brake load distribution between the electric machine brake and the friction brake depending on the state of charge (U B ) of the vehicle battery (B).
4. Kombinierte Kraftfahrzeug-Bremsvorrichtung nach zumindest einem der Ansprüche 1-3
  • - mit einer Bremslast-Verteilung zwischen der elektrischen Maschinen-Bremse und der Reibmittel-Bremse in Abhängigkeit von einer ABS-Bremsaktivierung aufgrund eines Radschlupfes (ΔnR1-∆nR4) der Räder (R1-R4) des Fahrzeuges.
4. Combined motor vehicle braking device according to at least one of claims 1-3
  • - With a brake load distribution between the electric machine brake and the friction brake depending on an ABS brake activation due to wheel slip (Δn R1 -Δn R4 ) of the wheels (R 1 -R 4 ) of the vehicle.
5. Kombinierte Kraftfahrzeug-Bremsvorrichtung nach zumindest einem der Ansprüche 1-4
  • - mit einer Mitbenutzung einer Steuerelektronik für die elektrische Maschinen-Bremse bzw. für die Reibmittel-Brem­ se zur Bremslast-Verteilung zwischen der elektrischen Ma­ schinen-Bremse und der Reibmittel-Bremse.
5. Combined motor vehicle braking device according to at least one of claims 1-4
  • - With a shared use of control electronics for the electrical machine brake or for the Reibmittel-Brem se for brake load distribution between the electrical machine brake and the friction brake.
DE19912425A 1999-03-19 1999-03-19 Combination motor vehicle braking arrangement for vehicle with starter-generator Ceased DE19912425A1 (en)

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Cited By (5)

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WO2003066398A1 (en) * 2002-02-05 2003-08-14 Continental Teves Ag & Co. Ohg Co-ordination method for a regenerative and anti-skid braking system
DE10208511A1 (en) * 2002-02-27 2003-09-11 Daimler Chrysler Ag Device for supplying energy to an electrically assisted braking system
DE10259878A1 (en) * 2002-12-20 2004-07-01 Zf Friedrichshafen Ag Brake system and method for operating a brake system for electrically powered vehicles
DE102008010278A1 (en) * 2008-02-21 2009-08-27 Bayerische Motoren Werke Aktiengesellschaft Braking action controlling and/or regulating system for motor vehicle, allows electrical machine to periodically generate braking torque, where braking torque applied by brake system at axle of vehicle is minimized to predetermined measure
US8548707B2 (en) 2006-09-28 2013-10-01 Volkswagen Ag Braking system and method for braking a vehicle having a hybrid drive

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US5511859A (en) * 1995-08-25 1996-04-30 General Motors Corporation Regenerative and friction brake blend control
DE19615742C1 (en) * 1996-04-20 1997-05-07 Daimler Benz Ag Motor vehicle drive train with electric machine providing compensatory torque during gear changes
DE19631384C1 (en) * 1996-08-02 1997-10-16 Clouth Gummiwerke Ag Electric machine with rotor in drive train e.g. of motor vehicle

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DE4124496A1 (en) * 1991-07-24 1993-01-28 Teves Gmbh Alfred BRAKE SYSTEM FOR MOTOR VEHICLES WITH ELECTRIC DRIVE
US5511859A (en) * 1995-08-25 1996-04-30 General Motors Corporation Regenerative and friction brake blend control
DE19615742C1 (en) * 1996-04-20 1997-05-07 Daimler Benz Ag Motor vehicle drive train with electric machine providing compensatory torque during gear changes
DE19631384C1 (en) * 1996-08-02 1997-10-16 Clouth Gummiwerke Ag Electric machine with rotor in drive train e.g. of motor vehicle
EP0916040A1 (en) * 1996-08-02 1999-05-19 ISAD Electronic Systems GmbH & Co.KG Electric machine in a driving train, for example of a motor vehicle, and process for driving the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003066398A1 (en) * 2002-02-05 2003-08-14 Continental Teves Ag & Co. Ohg Co-ordination method for a regenerative and anti-skid braking system
US7152934B2 (en) 2002-02-05 2006-12-26 Continental Teves Ag & Co. Ohg Co-ordination method for a regenerative and anti-skid braking system
DE10208511A1 (en) * 2002-02-27 2003-09-11 Daimler Chrysler Ag Device for supplying energy to an electrically assisted braking system
DE10259878A1 (en) * 2002-12-20 2004-07-01 Zf Friedrichshafen Ag Brake system and method for operating a brake system for electrically powered vehicles
US8548707B2 (en) 2006-09-28 2013-10-01 Volkswagen Ag Braking system and method for braking a vehicle having a hybrid drive
DE102006046093B4 (en) 2006-09-28 2022-11-03 Volkswagen Ag Braking system and method for braking a vehicle with a hybrid drive
DE102008010278A1 (en) * 2008-02-21 2009-08-27 Bayerische Motoren Werke Aktiengesellschaft Braking action controlling and/or regulating system for motor vehicle, allows electrical machine to periodically generate braking torque, where braking torque applied by brake system at axle of vehicle is minimized to predetermined measure
DE102008010278B4 (en) 2008-02-21 2023-09-21 Bayerische Motoren Werke Aktiengesellschaft System for controlling and/or regulating the braking of a motor vehicle

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