WO2004103785A1 - Verfahren und vorrichtung zur deaktivierung einer hillholderfunktion - Google Patents
Verfahren und vorrichtung zur deaktivierung einer hillholderfunktion Download PDFInfo
- Publication number
- WO2004103785A1 WO2004103785A1 PCT/DE2004/000965 DE2004000965W WO2004103785A1 WO 2004103785 A1 WO2004103785 A1 WO 2004103785A1 DE 2004000965 W DE2004000965 W DE 2004000965W WO 2004103785 A1 WO2004103785 A1 WO 2004103785A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yaw rate
- braking force
- vehicle
- transverse
- present
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 10
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/122—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger for locking of reverse movement
-
- 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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/06—Hill holder; Start aid systems on inclined road
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/12—Lateral speed
- B60W2520/125—Lateral acceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/14—Yaw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18118—Hill holding
Definitions
- the invention relates to a method and a device for deactivating a hill holder function in a motor vehicle.
- DE 199 50 034 AI discloses a method and a device for controlling a brake system.
- braking force is held on at least one wheel of the vehicle in at least one operating state with the brake pedal actuated, regardless of the extent of the pedal actuation.
- Various conditions are provided jointly or alternatively for the activation or deactivation of the function.
- the invention relates to a method for controlling the brake system of a motor vehicle, in which, to prevent the vehicle from rolling away after a stopping process, a first braking force value on at least one wheel of the vehicle is set independently of the driver and is held for a predetermined, limited stopping time or is generally held until a dismantling condition is present.
- this is a so-called “hill holder”.
- the essence of the invention is that a transverse variable characterizing a transverse movement of the vehicle is determined and, depending on the transverse variable, the braking force is reduced even before the predetermined stopping time has elapsed Rotation of the vehicle of the hill holder can be deactivated, thereby achieving a safety gain for the vehicle and its occupants.
- An advantageous embodiment of the invention is characterized in that the degradation condition is the elapse of a holding time interval of a predetermined length.
- the start of the hold interval is marked by the initiation of the hill holder.
- An advantageous embodiment of the invention is characterized in that the yaw rate is included in the determination of the transverse variable.
- the yaw rate is a particularly clear measure of a rotational movement of the vehicle.
- the lateral acceleration determined, for example, by means of a lateral acceleration sensor can also be used for this.
- An advantageous embodiment of the invention is therefore also characterized in that the braking force is reduced before the predetermined stopping time has elapsed if the yaw rate or the lateral acceleration or a variable associated therewith exceeds a predetermined limit value.
- An advantageous embodiment of the invention is characterized in that after the holding process has been reached, the value of the yaw rate is determined and stored and that the braking force is reduced before the predetermined holding time has elapsed if the amount of the difference between the currently determined yaw rate and the stored yaw rate exceeds a predetermined limit value.
- An advantageous embodiment of the invention is characterized in that, depending on the transverse size, a slipping process of the motor vehicle is detected, and in the event of a detected slipping process, the braking force is reduced even before the predetermined stopping time has elapsed.
- the device for controlling the brake system of a motor vehicle contains
- Roll-off prevention means with which, in order to prevent the vehicle from rolling away after a stopping process, a first braking force value on at least one wheel of the vehicle is set independently of the driver and is held for a predetermined, limited stopping time.
- the device also contains
- Braking force reduction means by means of which, depending on the transverse size, the braking force is reduced even before the specified stopping time has expired.
- An advantageous embodiment of the invention is characterized in that the determination means is a yaw rate sensor.
- An advantageous embodiment of the invention is characterized in that the braking force reduction means are designed in such a way that the braking force is already reduced The predetermined holding time expires when the yaw rate exceeds a predetermined limit.
- An advantageous embodiment of the invention is characterized in that storage means are provided in which a value of the yaw rate determined after the stopping process has been stored and the braking force reduction means are designed such that the braking force is reduced before the specified stopping time has expired when the amount of Difference between the currently determined yaw rate and the yaw rate stored in the storage means exceeds a predetermined limit.
- FIG 1 shows the sequence of the method according to the invention on the basis of sensor signals.
- FIG 3 shows the structure of the device according to the invention.
- a hill holder function holds all the wheels during a time interval that can be predetermined (brake pressure is "locked in”). If the vehicle is on a Incline with a small coefficient of friction (eg icy road surface), then the vehicle can slip and the vehicle slides back with four locked wheels During this time, there is no way to steer the vehicle because no power can be transmitted via the wheels.
- the advantage of the invention is to detect a turning of the vehicle and thus an uncontrolled slipping and to end the hill holder function.
- Evaluable signals are used to determine whether the vehicle is turning during an active hill hold function. For this purpose, the evaluation of signals, which detect a transverse portion of the vehicle movement, is used to examine whether the vehicle is rotating.
- the course of the output signal of the yaw rate sensor or the yaw rate sensor is of particular interest, but the output signal of the lateral acceleration sensor can also be considered, for example.
- FIG. 1 Typical temporal courses of sensor signals or other quantities during the course of the method according to the invention are shown in FIG. 1.
- the vehicle comes to a standstill on an incline.
- the output signal ⁇ of the yaw rate sensor is saved.
- the change ⁇ der is determined by comparing the stored yaw rate with the current yaw rate. ⁇ is approximately zero.
- ⁇ increases slightly, but does not yet exceed a limit.
- Block 200 marks the start of the method. It is then checked in block 201 (HHC) whether the activation conditions for the hill holder are fulfilled (e.g. inclined road surface and vehicle standstill). If the result is no (marked “n” in FIG. 2), the process branches back to the start of the method. If the result is yes (marked "y” in FIG. 2), the size ⁇ is determined in block 202 , Subsequently, a query is made in block 203 as to whether ⁇ exceeds a limit value ⁇ O, i.e. ⁇ > ⁇ O. If the answer is no, then the size ⁇ is determined again in block 202. If the answer is yes, then the brake pressure pR in the wheel brake cylinders is deactivated prematurely in block 204.
- HHC the activation conditions for the hill holder are fulfilled
- Block 300 contains the roll-off prevention means, which in turn control the determination means 301.
- the braking force reduction means 302 are activated, which in turn deactivate the roll-off prevention means 300 prematurely.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006529592A JP4644200B2 (ja) | 2003-05-16 | 2004-05-08 | 自動車ブレーキ装置の制御方法および装置 |
DE502004005086T DE502004005086D1 (de) | 2003-05-16 | 2004-05-08 | Verfahren und vorrichtung zur deaktivierung einer hillholderfunktion |
EP04738493A EP1638824B1 (de) | 2003-05-16 | 2004-05-08 | Verfahren und vorrichtung zur deaktivierung einer hillholderfunktion |
US10/557,212 US7641291B2 (en) | 2003-05-16 | 2004-05-08 | Method and apparatus for deactivating a hillholder function |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10322125.5 | 2003-05-16 | ||
DE2003122125 DE10322125A1 (de) | 2003-05-16 | 2003-05-16 | Verfahren und Vorrichtung zur Deaktivierung einer Hillholderfunktion |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004103785A1 true WO2004103785A1 (de) | 2004-12-02 |
Family
ID=33394677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/000965 WO2004103785A1 (de) | 2003-05-16 | 2004-05-08 | Verfahren und vorrichtung zur deaktivierung einer hillholderfunktion |
Country Status (5)
Country | Link |
---|---|
US (1) | US7641291B2 (de) |
EP (1) | EP1638824B1 (de) |
JP (1) | JP4644200B2 (de) |
DE (2) | DE10322125A1 (de) |
WO (1) | WO2004103785A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007112294A (ja) * | 2005-10-20 | 2007-05-10 | Advics:Kk | 車両の制動力保持装置、及び車両の制動力保持方法 |
WO2008139090A2 (fr) | 2007-04-19 | 2008-11-20 | Renault S.A.S. | Procede d'assistance aux manoeuvres en cote pour un vehicule |
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DE102005015062B4 (de) * | 2004-03-31 | 2020-09-03 | Continental Teves Ag & Co. Ohg | Verfahren zum Ermitteln eines Fahrzeugstillstands und Vorrichtung zum Unterstützen des Anfahrens eines Fahrzeugs bergaufwarts sowie Anfahrassistent |
DE102005014801B4 (de) * | 2005-03-31 | 2022-04-21 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtung zur Steuerung einer Bremsanlage eines Kraftfahrzeuges |
DE102005052160B4 (de) | 2005-11-02 | 2020-03-26 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betreiben eines Bremssystems eines Kraftfahrzeugs |
DE102006002777A1 (de) * | 2006-01-20 | 2007-07-26 | Bayerische Motoren Werke Ag | Verfahren zum Betreiben einer Bremsanlage eines Fahrzeugs |
DE102006002775B4 (de) * | 2006-01-20 | 2015-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betreiben einer Bremskraftanlage eines Fahrzeugs |
DE102006002776B4 (de) * | 2006-01-20 | 2018-12-27 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betreiben einer Bremsanlage eines Fahrzeugs |
JP4725379B2 (ja) * | 2006-03-20 | 2011-07-13 | 株式会社アドヴィックス | 車両の制動力保持装置、及び車両の制動力保持状態の解除方法 |
DE102006024362A1 (de) * | 2006-05-24 | 2007-11-29 | Robert Bosch Gmbh | Hillhold-Bremsfunktion mit integriertem Rutschtest |
DE102007036578B4 (de) * | 2006-08-10 | 2023-05-25 | Continental Automotive Technologies GmbH | Verfahren und Vorrichtung zur robusteren Rutscherkennung von Fahrzeugen |
DE102006040740B4 (de) * | 2006-08-31 | 2020-10-22 | Robert Bosch Gmbh | Verfahren zur Rutscherkennung bei Kraftfahrzeugen |
JP4376882B2 (ja) * | 2006-09-01 | 2009-12-02 | トヨタ自動車株式会社 | 車両の制御装置 |
DE102007021631B4 (de) | 2007-05-09 | 2021-01-28 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betreiben eines Kraftfahrzeugs |
DE102007023929A1 (de) | 2007-05-23 | 2008-11-27 | Lucas Automotive Gmbh | Technik zum Anfahren eines Kraftfahrzeugs auf einer geneigten Fahrstrecke |
JP2012076702A (ja) * | 2010-10-05 | 2012-04-19 | Toyota Motor Corp | 車両用情報処理装置および車両制御装置 |
DE102011080775A1 (de) * | 2011-08-10 | 2013-02-14 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum automatischen Halten eines Kraftfahrzeugs im Stillstand |
JP5752668B2 (ja) * | 2012-11-16 | 2015-07-22 | 日信工業株式会社 | 車両用ブレーキ液圧制御装置 |
US9896071B2 (en) | 2014-10-30 | 2018-02-20 | Ford Global Technologies, Llc | Automatic brake hold with low speed maneuverability |
DE102015015128A1 (de) | 2015-11-21 | 2016-05-12 | Daimler Ag | Verfahren zur Stabilisierung eines Fahrzeuges |
DE102015223273A1 (de) | 2015-11-25 | 2017-06-01 | Continental Teves Ag & Co. Ohg | Verfahren zur Erkennung eines Rutschvorgangs eines Kraftfahrzeugs und Steuergerät |
US9821778B2 (en) | 2016-02-23 | 2017-11-21 | Honda Motor Co., Ltd. | Vehicle control system |
US9809207B2 (en) | 2016-02-23 | 2017-11-07 | Honda Motor Co., Ltd. | Vehicle control system |
CA3021051C (en) * | 2016-04-15 | 2019-08-06 | Nissan Motor Co., Ltd. | Braking force control method and braking force control device |
DE102016220281A1 (de) * | 2016-10-17 | 2018-04-19 | Zf Friedrichshafen Ag | Verfahren zum Betreiben eines Fahrzeuges mit einem eine Antriebsmaschine, ein Getriebe und einen Abtrieb umfassenden Fahrzeugantriebsstrang |
US11407388B2 (en) | 2019-06-11 | 2022-08-09 | Fca Us Llc | Electromechanical park brake strategy for transmission park pawl engagement |
US20230311824A1 (en) * | 2020-06-30 | 2023-10-05 | Hitachi Astemo Ueda, Ltd. | Vehicle brake fluid pressure control device |
JP7370940B2 (ja) | 2020-06-30 | 2023-10-30 | 日立Astemo上田株式会社 | 車両用ブレーキ液圧制御装置 |
JP2022119332A (ja) * | 2021-02-04 | 2022-08-17 | 株式会社Subaru | 制動制御装置 |
DE102021107389A1 (de) | 2021-03-24 | 2022-09-29 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Vermeiden des Rollens entgegen der Fahrtrichtung einer eingelegten Fahrstufe für ein ein elektrisches Antriebssystem mit einer elektrischen Antriebsmaschine umfassendes Kraftfahrzeug auf einer geneigten Fläche |
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DE19950028A1 (de) * | 1999-10-09 | 2001-04-12 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung eines Fahrzeugs |
DE10009504A1 (de) * | 2000-02-29 | 2001-08-30 | Mannesmann Sachs Ag | Verfahren zum Ansteuern eines Antriebssystems, Antriebssystem |
DE10058071A1 (de) * | 2000-11-23 | 2002-06-06 | Lucas Varity Gmbh | Verfahren und Vorrichtung zum Erkennen eines Stillstandzustandes eines Kraftfahrzeuges |
DE10063062A1 (de) * | 2000-12-18 | 2002-06-20 | Lucas Varity Gmbh | Verfahren und Vorrichtung zum Steuern einer Bremsausrüstung eines Kraftfahrzeuges |
WO2004056632A2 (de) * | 2002-12-19 | 2004-07-08 | Continental Teves Ag & Co. Ohg | Verfahren und vorrichtung zur erfassung einer fahrzeuglängs- und -querbeschleunigung |
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DE19950034B4 (de) | 1999-10-16 | 2019-09-26 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung einer Bremsanlage |
JP3999448B2 (ja) * | 2000-07-17 | 2007-10-31 | トヨタ自動車株式会社 | 車輌用トラクション制御装置 |
DE10063063A1 (de) * | 2000-12-18 | 2002-06-20 | Lucas Varity Gmbh | Verfahren und System zur Steuerung einer im Stillstand eines Kraftfahrzeuges aktivierbaren Bremsausrüstung |
EP1593566A1 (de) * | 2004-05-03 | 2005-11-09 | Delphi Technologies, Inc. | Funktion zur Anfahrunterstützung eines an einer Steigung stehenden Fahrzeuges |
-
2003
- 2003-05-16 DE DE2003122125 patent/DE10322125A1/de not_active Withdrawn
-
2004
- 2004-05-08 US US10/557,212 patent/US7641291B2/en not_active Expired - Fee Related
- 2004-05-08 DE DE502004005086T patent/DE502004005086D1/de not_active Expired - Lifetime
- 2004-05-08 JP JP2006529592A patent/JP4644200B2/ja not_active Expired - Fee Related
- 2004-05-08 WO PCT/DE2004/000965 patent/WO2004103785A1/de active IP Right Grant
- 2004-05-08 EP EP04738493A patent/EP1638824B1/de not_active Expired - Fee Related
Patent Citations (5)
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DE19950028A1 (de) * | 1999-10-09 | 2001-04-12 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung eines Fahrzeugs |
DE10009504A1 (de) * | 2000-02-29 | 2001-08-30 | Mannesmann Sachs Ag | Verfahren zum Ansteuern eines Antriebssystems, Antriebssystem |
DE10058071A1 (de) * | 2000-11-23 | 2002-06-06 | Lucas Varity Gmbh | Verfahren und Vorrichtung zum Erkennen eines Stillstandzustandes eines Kraftfahrzeuges |
DE10063062A1 (de) * | 2000-12-18 | 2002-06-20 | Lucas Varity Gmbh | Verfahren und Vorrichtung zum Steuern einer Bremsausrüstung eines Kraftfahrzeuges |
WO2004056632A2 (de) * | 2002-12-19 | 2004-07-08 | Continental Teves Ag & Co. Ohg | Verfahren und vorrichtung zur erfassung einer fahrzeuglängs- und -querbeschleunigung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007112294A (ja) * | 2005-10-20 | 2007-05-10 | Advics:Kk | 車両の制動力保持装置、及び車両の制動力保持方法 |
US7950750B2 (en) * | 2005-10-20 | 2011-05-31 | Advics Co., Ltd. | Apparatus and method for maintaining braking force of vehicle |
JP4728085B2 (ja) * | 2005-10-20 | 2011-07-20 | 株式会社アドヴィックス | 車両の制動力保持装置、及び車両の制動力保持方法 |
WO2008139090A2 (fr) | 2007-04-19 | 2008-11-20 | Renault S.A.S. | Procede d'assistance aux manoeuvres en cote pour un vehicule |
Also Published As
Publication number | Publication date |
---|---|
DE10322125A1 (de) | 2004-12-02 |
DE502004005086D1 (de) | 2007-11-08 |
EP1638824B1 (de) | 2007-09-26 |
JP4644200B2 (ja) | 2011-03-02 |
US7641291B2 (en) | 2010-01-05 |
JP2006528579A (ja) | 2006-12-21 |
EP1638824A1 (de) | 2006-03-29 |
US20070164608A1 (en) | 2007-07-19 |
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