EP2473730B1 - Verfahren und vorrichtung zum steuern eines stopp-start systems - Google Patents

Verfahren und vorrichtung zum steuern eines stopp-start systems Download PDF

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Publication number
EP2473730B1
EP2473730B1 EP10747206.0A EP10747206A EP2473730B1 EP 2473730 B1 EP2473730 B1 EP 2473730B1 EP 10747206 A EP10747206 A EP 10747206A EP 2473730 B1 EP2473730 B1 EP 2473730B1
Authority
EP
European Patent Office
Prior art keywords
starter
energization
energizing
rotational speed
energization period
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.)
Not-in-force
Application number
EP10747206.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2473730A1 (de
Inventor
Falco Sengebusch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2473730A1 publication Critical patent/EP2473730A1/de
Application granted granted Critical
Publication of EP2473730B1 publication Critical patent/EP2473730B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/041—Starter speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/043—Starter voltage

Definitions

  • the present invention relates to the field of starter systems in motor vehicles.
  • vehicle drives which usually have an electric motor for driving the internal combustion engine.
  • the internal combustion engine is started by means of a starter with an electric motor and a starter pinion, which is meshed into a ring gear of the internal combustion engine.
  • a starter pinion which is meshed into a ring gear of the internal combustion engine.
  • belt starters, integrated starters, hybrid drives with a switchable coupling between the electric motor and the internal combustion engine.
  • the pinion is first synchronized with the speed of the expiring internal combustion engine.
  • the pinion is meshed with the rotating sprocket to achieve a quick restart when the internal combustion engine is stopped.
  • the most accurate synchronization is important to minimize noise and wear.
  • the publication DE 10 2006 039 112 A1 describes a method for determining the rotational speed of a starter for starting internal combustion engines.
  • the publication DE 10 2006 011 644 A1 discloses a device with a first transmission part for meshing in a second transmission part, in particular Starting device with a pinion for meshing in a ring gear of a Brennkraftmaschjne and method for operating such a device.
  • the publication DE 10 2005 021 227 A1 deals with a starting device for internal combustion engines in motor vehicles.
  • This publication seeks to control the starter relay in a start-stop system such that at the beginning of a stop phase, the noise during Einspurvorgang greatly reduced and closed at the beginning of the start phase of the switching contact of the relay to turn on the starter motor with sufficient contact pressure becomes.
  • the invention is based on the knowledge that there is a specific relationship between the speed of the starter and the turn-on duration or energization duration, and that a voltage induced at the end of the start-up of the starter at which its speed is increased to the current starter speed of the starter can be closed.
  • the above explained relationship between the starting duration and the speed can be determined by different measurements of the acceleration speed in relation to the energization time of the starter under standard conditions.
  • the determined standard conditions or reference data are preferably stored in a lookup table.
  • the standard conditions are based on the currently measured induced voltage or on the current starter speed calculated using the measured induced voltage correct.
  • Parameters that can cause these deviations are the internal resistance and the voltage of the battery, the resistances due to the wiring to the starter and the resistances in the starter itself. This can lead to a not inconsiderable deviation of the actual starter speed from the speed stored in the look-up table come.
  • the standard conditions in particular the stored energization duration, can be adjusted as a function of the currently measured induced voltage.
  • noise, wear and even damage to pinion and ring gear can be minimized or prevented.
  • Another advantage is that the voltage measurement is usually much more accurate than a current measurement. Thus, a calculation error, which could result from the tolerance-related current measurement, be compensated advantageously.
  • a method for adjusting a Bestromungsdauer for energizing a starter of a starter system which comprises the steps of energizing the starter when a starter pinion of the starter in a leaking engine for a certain energizing time, the Switching off the energizing when reaching the determined Bestromungsdauer and thereby measuring an induced voltage and the comparison of the measured induced voltage with a reference voltage and the dependent adjustment of the energization duration comprises.
  • setting the energization duration includes correcting the energization duration for the next time.
  • a computer program product which causes the execution of the method according to the invention for setting a current supply duration for energizing a starter of a starter system on a program-controlled device.
  • a computer program product such as a computer program means can be provided or supplied, for example, as a storage medium, such as a memory card, USB stick, floppy, CD-ROM, DVD or even in the form of a downloadable file from a server in a network. This can be done, for example, in a wireless communication network by the transmission of a corresponding file with the computer program product or the computer program means.
  • a device for setting a Bestromungsdauer for energizing a starter of a starter system such as a start-stop system.
  • the device has an energizing means for energizing the starter when a starter pinion of the starter is traced into an outgoing motor for a certain energizing duration, a switch-off means for switching off the energizing when the determined energizing time is reached, a measuring means for measuring a voltage induced when the energizing is switched off, a comparison means for comparing the measured induced voltage and a reference voltage and a setting means for adjusting the energization duration as a function of the comparison.
  • the respective means in particular the lighting means, the shut-off means, the measuring means, the comparison means and the setting means, can be implemented by hardware or software technology.
  • the respective means may be designed as a device, for example as a computer or microprocessor, as a device or as part of a system, for example as a computer system.
  • the respective means may be designed as a computer program product, as a function, as a routine, as part of a program code or as an executable object.
  • a starter system which has a device according to the invention as described above for setting a Bestromungsdauer for energizing a starter of the starter system, for example, a start-stop system, a vehicle drive.
  • a vehicle is a passenger car, a truck or a commercial vehicle or a motorcycle.
  • a rotational speed of the starter is determined as a function of the measured induced voltage.
  • the determined rotational speed is compared with a reference rotational speed and depending on this, the energization duration is set.
  • the respective energization duration can be adjusted adaptively.
  • the meshing in the outgoing engine is stopped if the determined speed is greater than an upper speed threshold.
  • the starter can actually be faster after applying the amount of power applied and thus selected in the look-up table.
  • factors include, for example, a low-resistance vehicle electrical system, a low-impedance battery or low-resistance brush and copper resistors in the starter. If the starter is then actually faster than expected, it also induces a higher voltage after the end of the energization or after switching off the energizing. Depending on the speed surplus, the energizing time can be reduced during the next energization.
  • the starter pinion is later vorgespurt the next startup, if the determined speed is less than a lower speed threshold.
  • the starter pinion may advantageously be pre-spoked somewhat later than originally planned according to the look-up table to be synchronized with a correspondingly lower engine speed.
  • a look-up table is provided, in which an assignment of the reference speed of the starter to the energization time is stored.
  • the example of the look-up table is the simplest way to store the respective reference speed and the corresponding Bestromumgsdauer in an associated manner. This results in a quick comparison during operation.
  • the respective energization duration assigned to the corresponding reference rotational speed is set as a function of the comparison between the determined rotational speed and the corresponding reference rotational speed.
  • a method for energizing a starter of a starter system such as a start-stop system is proposed.
  • the method has the steps of setting a Bestromungsdauer for energizing the starter of the starter system according to the above-described method and energizing the starter for the set Bestromungsdauer.
  • a starter system which has a starter and the above-explained arrangement for energizing the starter.
  • Fig. 1 is a schematic flow diagram of a first embodiment of the inventive method for setting a Bestromungsdauer for energizing a starter of a starter system shown.
  • the first embodiment according to Fig. 1 has the method steps 101 to 103.
  • the starter is energized when a starter pinion of the starter is fed into an outgoing motor for a certain energization duration.
  • the energizing is achieved when the switched off certain energization and thereby the induced voltage is measured. In particular, the induced voltage at the terminal 45 of the starter is measured.
  • Fig. 2 shows a schematic flow diagram of a second embodiment for setting a Bestromungsdauer for energizing a starter of a starter system with the steps 201 to 204.
  • the starter is energized when a starter pinion of the starter is fed into an outgoing motor for a certain energization duration.
  • the current is switched off when the determined energization time is reached and the induced voltage is measured.
  • a speed of the starter is determined as a function of the measured induced voltage.
  • the determined rotational speed is compared with a reference rotational speed and, depending on this, the energization duration in the reference table is corrected.
  • a look-up table (LUT) is provided, in which an assignment of the reference speed of the starter is stored to the energization duration.
  • the respective, the corresponding reference speed associated Bestromungsdauer is set in dependence of the comparison between the determined speed and the corresponding reference speed.
  • Fig. 3 is a schematic flow diagram of a third embodiment of the method according to the invention for adjusting a Bestromungsdauer for energizing a Starters of a starter system shown, comprising the steps 301 to 307.
  • the method steps 301 to 303 correspond to FIG Fig. 3 the process steps 201 to 203 of Fig. 2 , which are not explained again to avoid repetition here.
  • the determined rotational speed is compared with reference rotational speeds, in particular with an upper rotational speed threshold value and with a lower rotational speed threshold value.
  • the meshing in the outgoing engine is aborted in method step 305.
  • the turn-on time will be corrected for the next time.
  • the correction is preferably stored in the lookup table.
  • the lookup table is optionally corrected in method step 306.
  • step 307 the starter pinion is pre-tracked later than planned to be synchronized with a correspondingly lower engine speed.
  • the turn-on time will be corrected for the next time.
  • the correction is preferably stored in the lookup table.
  • Fig. 4 shows a schematic flow diagram of a method for energizing a starter of a starter system having the method steps 401 and 402.
  • step 401 the energization time for energizing the starter of the starter system, for example, as in one embodiment of the Fig. 1-3 set.
  • the starter is energized for the energization duration set according to method step 401.
  • FIG. 5 An example of the operation of the invention is in the Fig. 5 shown. It shows the Fig. 5 a schematic tD diagram showing the changes of a reference line 501 in a fast-starting starter and a slow-starting starter.
  • Fig. 5 t is the time in ms
  • D is the speed of the starter in 10 3 / min
  • 501 is the reference line stored in the look-up table
  • 508 is the target speed.
  • curves 502 and 503 show examples of a fast-starting starter.
  • the arrow 504 illustrates here the bending of the reference line 501 in the case of a currently fast-running starter towards the D-axis.
  • curves 505 and 506 show examples of a slow-starting starter.
  • the arrow 507 illustrates the bending of the reference line 501 in the case of a currently slowly starting starter up to the t-axis.
  • the parameters or controller parameters stored in the look-up table are selected differently in particular.
  • it is particularly attempted to change the cranking duration or the energizing duration for the next energizing process directly in such a way that the desired target rotational speed in accordance with FIG Fig. 5 is reached.
  • This makes large changes possible from time to time and the susceptibility to amplification of inaccuracies in the evaluation of the induced voltage can be very large.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Motor And Converter Starters (AREA)
EP10747206.0A 2009-09-04 2010-08-26 Verfahren und vorrichtung zum steuern eines stopp-start systems Not-in-force EP2473730B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009029210A DE102009029210A1 (de) 2009-09-04 2009-09-04 Verfahren und Vorrichtung zum Einstellen einer Bestromungsdauer eines Starters eines Startersystems
PCT/EP2010/062425 WO2011026773A1 (de) 2009-09-04 2010-08-26 Verfahren und vorrichtung zum steuern eines stopp-start systems

Publications (2)

Publication Number Publication Date
EP2473730A1 EP2473730A1 (de) 2012-07-11
EP2473730B1 true EP2473730B1 (de) 2014-01-29

Family

ID=43086883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10747206.0A Not-in-force EP2473730B1 (de) 2009-09-04 2010-08-26 Verfahren und vorrichtung zum steuern eines stopp-start systems

Country Status (5)

Country Link
US (1) US8800522B2 (zh)
EP (1) EP2473730B1 (zh)
CN (1) CN102483024B (zh)
DE (1) DE102009029210A1 (zh)
WO (1) WO2011026773A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5496157B2 (ja) 2011-08-23 2014-05-21 日立オートモティブシステムズ株式会社 エンジン制御装置
US8857138B2 (en) 2011-11-04 2014-10-14 Briggs & Stratton Corporation Starter system for an engine
US8733072B2 (en) * 2011-11-04 2014-05-27 Briggs & Stratton Corporation Starter system for an engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5557659A (en) * 1978-10-25 1980-04-28 Automob Antipollut & Saf Res Center Diagnosis system for inspecting automotive
FR2745336B1 (fr) * 1996-02-28 1998-05-07 Valeo Equip Electr Moteur Procede et dispositif pour la coupure d'un demarreur de vehicule automobile apres demarrage de son moteur thermique
FR2746450B1 (fr) * 1996-03-21 1998-06-12 Valeo Equip Electr Moteur Coupure d'un demarreur de vehicule automobile
DE10056970A1 (de) * 2000-11-17 2002-05-23 Bosch Gmbh Robert Verfahren und Anordnung zur Ermittlung der Startfähigkeit einer Starterbatterie eines Verbrennungsmotors
DE102005021227A1 (de) * 2005-05-09 2006-11-16 Robert Bosch Gmbh Startvorrichtung für Brennkraftmaschinen in Kraftfahrzeugen
JP2006322362A (ja) * 2005-05-18 2006-11-30 Fujitsu Ten Ltd エンジン自動停止始動制御装置
DE102006011644A1 (de) * 2006-03-06 2007-09-13 Robert Bosch Gmbh Vorrichtung mit einem ersten Getriebeteil zum Einspuren in ein zweites Getriebeteil, insbesondere Startvorrichtung mit einem Ritzel zum Einspuren in einen Zahnkranz einer Brennkraftmaschine sowie Verfahren zum Betrieb einer derartigen Vorrichtung
DE102006039112A1 (de) * 2006-08-21 2008-02-28 Robert Bosch Gmbh Verfahren zum Ermitteln der Drehzahl eines Starters

Also Published As

Publication number Publication date
US8800522B2 (en) 2014-08-12
DE102009029210A1 (de) 2011-04-07
CN102483024B (zh) 2014-08-27
CN102483024A (zh) 2012-05-30
WO2011026773A1 (de) 2011-03-10
EP2473730A1 (de) 2012-07-11
US20120216769A1 (en) 2012-08-30

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