EP3583333A1 - Verfahren zum ansteuern eines aktuators für ein fahrzeug, steuergerät und parksperreneinrichtung für ein fahrzeug - Google Patents
Verfahren zum ansteuern eines aktuators für ein fahrzeug, steuergerät und parksperreneinrichtung für ein fahrzeugInfo
- Publication number
- EP3583333A1 EP3583333A1 EP18702114.2A EP18702114A EP3583333A1 EP 3583333 A1 EP3583333 A1 EP 3583333A1 EP 18702114 A EP18702114 A EP 18702114A EP 3583333 A1 EP3583333 A1 EP 3583333A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- sensor
- drive
- gear
- vehicle
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004590 computer program Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/48—Signals to a parking brake or parking lock; Control of parking locks or brakes being part of the transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/283—Adjustment or calibration of actuator positions, e.g. neutral position
Definitions
- the present invention relates to a method for driving an actuator for a vehicle, to a corresponding control device, to a corresponding computer program and to a parking brake device for a vehicle.
- DE 600 06 666 T2 describes a position controller for a motor which performs position control based on a load position signal from a position sensor mounted on a load driven by the motor.
- the present invention provides an improved method for driving an actuator for a vehicle, an improved control device, and an improved parking brake device for a vehicle according to the main claims.
- Advantageous embodiments will become apparent from the dependent claims and the description below.
- the invention relates to a method for driving an actuator for a vehicle, wherein the actuator is coupled or coupleable to a drive unit for driving the actuator and via a sensor gear to a sensor for detecting a position and / or position change of the sensor gear, the method comprising the following steps having:
- An actuator can be understood, for example, as a cable pull or another component for mechanical actuation.
- the actuator component of a gearbox for example, an automatic transmission, be.
- the actuator may be designed, for example, to activate a parking lock of the vehicle, for example by engaging a specific gear stage of the gearbox or by detecting a brake of the vehicle.
- a drive unit for example, an electric motor can be understood.
- a sensor gear may be understood to mean a gear which converts a movement of the actuator into a movement of a pulse generator detectable by the sensor in accordance with a predetermined gear ratio.
- a sensor gear can be used for simple and unambiguous detection of a position or position change of an actuator in a vehicle, for example a parking lock actuator in the form of a cable pull.
- a detection offers the advantage that the position or position change of the actuator can be calculated directly from a position or position change of the sensor operation.
- an additional evaluation of a sensor signal waveform for position determination can be dispensed with.
- the sensor signal in the step of determining, may be converted directly to the position of the actuator using the gear ratio of the sensor operation to obtain the actuator information. This makes it possible to determine the position of the actuator particularly quickly and efficiently.
- a rotational speed of the drive unit may be determined using the actuator information. Accordingly, in the step of generating, the driving signal can be generated by using the rotational speed. As a result, a reliable determination of the rotational speed of the drive unit is made possible.
- the actuator can be coupled via a drive gear with the drive unit or coupled. In the step of generating, the drive signal may accordingly be generated using a gear ratio of the drive gear. This allows precise control of the actuator when using a drive gear.
- step of generating the drive signal is generated to set a desired speed for moving the actuator into a desired position. This allows the actuator to be moved at different speeds.
- an analog signal in the step of reading an analog signal can be read as the sensor signal. This allows easy processing of the sensor signal.
- control unit which is designed to execute, to control or to implement the steps of a variant of a method presented here in corresponding devices. Also by this embodiment of the invention in the form of a control device, the object underlying the invention can be achieved quickly and efficiently.
- control unit can have at least one arithmetic unit for processing signals or data, at least one memory unit for storing signals or data, at least one interface to a sensor or an actuator for reading sensor signals from the sensor or for outputting control signals to the actuator and / or or at least a communication interface for reading or outputting data embedded in a communication protocol.
- the arithmetic unit may be, for example, a signal processor, a microcontroller or the like, wherein the memory unit may be a flash memory, an EPROM or a magnetic memory unit.
- the communication interface can be designed to read in or output data wirelessly and / or by line, wherein a communication interface, the line-bound Read in or output data, this data, for example, electrically or optically read from a corresponding data transmission line or can output to a corresponding data transmission line.
- a control device can be understood as meaning an electrical device which processes sensor signals and outputs control and / or data signals in dependence thereon.
- the control unit may have an interface, which may be formed in hardware and / or software.
- the interfaces can be part of a so-called system ASIC, for example, which contains various functions of the control unit.
- the interfaces are their own integrated circuits or at least partially consist of discrete components.
- the interfaces may be software modules that are present, for example, on a microcontroller in addition to other software modules.
- control unit is used to control the vehicle.
- control unit can access, for example, sensor signals such as acceleration, pressure, steering angle or environmental sensor signals.
- sensor signals such as acceleration, pressure, steering angle or environmental sensor signals.
- the control is effected via actuators such as brake or steering actuators or an engine control unit of the vehicle.
- the approach presented here also creates a parking brake device for a vehicle, wherein the parking brake device has the following features: an actuator for activating the parking brake; a drive unit for driving the actuator; a sensor gear; a sensor for detecting a position and / or position change of the sensor operation, wherein the actuator is coupled via the sensor gear with the sensor; and a control device according to a preceding embodiment.
- the parking lock device may be formed as part of an automated shift operation, wherein the automated shift operation is configured to perform a plurality of functions, such as the engagement of a reverse, forward and / or neutral gear.
- the actuator may be realized as a cable pull. As a result, a high load capacity of the actuator can be ensured with low weight and small footprint.
- a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory and for carrying out, implementing and / or controlling the steps of the method according to one of the embodiments described above is used, especially when the program product or program is executed on a computer or a device.
- Figure 1 is a schematic representation of a vehicle with a parking brake device according to an embodiment
- Figure 2 is a schematic representation of a parking brake device according to an embodiment
- Figure 3 is a schematic representation of a control device according to an embodiment.
- FIG. 4 shows a flow chart of a method according to an exemplary embodiment.
- the same or similar reference numerals are used for the elements shown in the various figures and similarly acting, wherein a repeated description of these elements is omitted.
- FIG. 1 shows a schematic representation of a vehicle 100 with a parking brake device 102 according to an exemplary embodiment.
- the parking brake device 102 includes an actuator 104 for activating a parking lock of the vehicle 100, by which it can be prevented that the vehicle 100 rolled away in the parked state, as indicated in Figure 1 by way of example.
- the actuator 104 is designed as a cable, such as the mechanical actuation of a gearbox, in particular an automatic transmission, or a brake system of the vehicle 100.
- the actuator 104 may be formed as any other mechanical actuator, such as in Shape of a lever or a rack.
- the actuator 104 is coupled to a suitable drive unit 106, for example in the form of a servomotor, for adjusting the actuator 104.
- the actuator 104 is coupled to a sensor gear 108, wherein the sensor gear 108 has a sensor 1 10 for detecting a position or position change of the sensor gear 108.
- Both the sensor 1 10 and the drive unit 106 are connected to a control unit 1 12 for controlling the drive unit 106.
- the control unit 12 is designed to read from the sensor 1 10 a sensor signal 1 14 representing the position or position change of the sensor gear 108 and to evaluate this taking into account a predetermined gear ratio of the sensor gear 108 to determine a position or position change of the actuator 104. Depending on the result of this evaluation, the control unit 1 12 generates a suitable drive signal 1 16 for driving the drive unit 106 as a function of the position or position change of the actuator 104 ascertained with the aid of the sensor operation.
- the position or position change of the actuator 104 can be due to the known transmission ratio of the actuator Sensor gear 108 here directly from the position or position change of the sensor operation 108, as detected by the sensor 1 10, are determined by the control unit 1 12.
- the use of the sensor gear 108 allows the simple implementation of a method for one-sided positioning of a cable in the vehicle 100 and for speed control of the change in position of the cable by means of the sensor 1 10th
- FIG. 2 shows a schematic representation of a parking brake device 102 according to an embodiment.
- the parking brake device 102 essentially corresponds to the parking brake device described above with reference to FIG. 1, with the difference that the drive unit 106 according to this exemplary embodiment is mechanically coupled to the actuator 104 via an optional drive gear 200. Accordingly, the drive of the drive unit 106 is additionally taking into account a predetermined transmission ratio of the drive gear 200, as described in more detail below.
- an entire working range of the actuator 104 in the measuring range of the sensor 110 is represented by the sensor gear 108.
- the unique position of the actuator 104 can be calculated.
- the rotational speed of the drive unit 106 due to the known gear ratio of the sensor gear 108 and the drive gear 200 can be controlled.
- the sensor 1 10 two functions can be realized.
- the sensor gear 108 is designed, for example, so that the measurement accuracy is increased. As a result, the unique assignment is lost and reference points are required, for example if the working range of the actuator 104 corresponds to more than one sensor rotation.
- the approach presented here now allows the one-to-one positioning of the actuator 100 in the vehicle, in particular a cable, and a speed control of the position change with the aid of the sensor 110.
- an actual position x of the actuator 104 and a speed dx / dt of the actuator 104 determined.
- the sensor 110 is moved via the sensor gear 108 in such a way that an unambiguous position determination of the actuator 104 on the basis of a measurement signal y, also called sensor signal, is possible at any time.
- a measuring range Y of the sensor 110 includes an entire position range X of the actuator 104.
- the measurement signal y is converted directly to the actual position x based on the transmission ratio of the sensor operation. Due to the change in position of the sensor 110 over time (dy / dt), a rotational speed of the drive unit 106 is determined directly. On the basis of the transmission ratio of the drive gear 200 thus the speed dx dt of the actuator 104 is controlled.
- the measurement signal y is, for example, an analog signal.
- control of a cable comprises the following steps.
- the cable pull position is determined on the basis of the measurement signal y, d. H. based on an actual position of the sensor, and the sensor gear ratio detected.
- the control of a desired speed dx dt of the cable is based on the sensor signal change dy / dt and the sensor and drive gear ratio.
- FIG. 3 shows a schematic representation of a control device 1 12 according to an exemplary embodiment, for example a control device described above with reference to FIG.
- the control unit 1 12 comprises a read-in unit 310 for reading in the sensor signal 1 14, wherein the read-in unit 310 is connected to a determination unit 320 for determining an actuator information 322 representing the position or position change of the actuator using the sensor signal 1 14 and the transmission ratio of the sensor operation.
- the determination unit 320 transfers the actuator information 322 to a generation unit 330, which is designed to generate the drive signal 16 for driving the drive unit using the actuator information 322.
- FIG. 4 shows a flow diagram of a method 400 according to one exemplary embodiment.
- the method 400 for driving an actuator for a vehicle may, for example, be carried out using a control device as described above with reference to FIGS. 1 to 3.
- the sensor signal provided by the sensor of the sensor operation is read in and used in a step 420 in combination with the known transmission ratio of the sensor operation in order to determine the actuator information.
- the drive signal for driving the drive unit is generated using the actuator information.
- an exemplary embodiment comprises a "and / or" link between a first feature and a second feature
- this can be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment, either only the first Feature or only the second feature.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017202647.2A DE102017202647A1 (de) | 2017-02-20 | 2017-02-20 | Verfahren zum Ansteuern eines Aktuators für ein Fahrzeug, Steuergerät und Parksperreneinrichtung für ein Fahrzeug |
| PCT/EP2018/050824 WO2018149573A1 (de) | 2017-02-20 | 2018-01-15 | Verfahren zum ansteuern eines aktuators für ein fahrzeug, steuergerät und parksperreneinrichtung für ein fahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3583333A1 true EP3583333A1 (de) | 2019-12-25 |
Family
ID=61094428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18702114.2A Withdrawn EP3583333A1 (de) | 2017-02-20 | 2018-01-15 | Verfahren zum ansteuern eines aktuators für ein fahrzeug, steuergerät und parksperreneinrichtung für ein fahrzeug |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200003304A1 (de) |
| EP (1) | EP3583333A1 (de) |
| CN (1) | CN110291312A (de) |
| DE (1) | DE102017202647A1 (de) |
| WO (1) | WO2018149573A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412280A (zh) * | 2020-03-27 | 2020-07-14 | 广州小鹏汽车科技有限公司 | 电动汽车及其p挡控制方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074211A (ja) * | 1998-08-31 | 2000-03-14 | Mitsubishi Motors Corp | 自動変速機のパーキング装置 |
| US20060185459A1 (en) * | 2005-02-18 | 2006-08-24 | Hitachi, Ltd. | Controller, control method and control system for controlling a motor vehicle gear-type transmission |
| US20070283735A1 (en) * | 2006-05-12 | 2007-12-13 | Getrag Getriebe-Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Transmission lock |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820577A1 (de) | 1997-05-28 | 1998-12-03 | Mannesmann Sachs Ag | Stelleinrichtung für automatisierte Betätigung eines Schaltgetriebes |
| EP1184766B1 (de) | 1999-06-04 | 2003-11-19 | Kabushiki Kaisha Yaskawa Denki Seisakusho | Positionsregelung fuer einen motor |
| DE10326118B4 (de) | 2003-06-06 | 2005-04-14 | ZF Lemförder Metallwaren AG | Schaltvorrichtung zur mechanisch kopplungsfreien Übertragung von Schaltbefehlen an ein automatisches Kraftfahrzeuggetriebe |
| JP4320648B2 (ja) | 2005-06-06 | 2009-08-26 | 株式会社デンソー | シフトレンジ切替装置 |
| JP2008039112A (ja) * | 2006-08-08 | 2008-02-21 | Toyota Motor Corp | 自動変速機のシフト切換装置 |
| JP4410784B2 (ja) | 2006-10-27 | 2010-02-03 | トヨタ自動車株式会社 | シフト切換機構の制御装置および制御方法 |
| JP2010223355A (ja) * | 2009-03-24 | 2010-10-07 | Aisin Aw Co Ltd | シフトバイワイヤ装置 |
| DE102009053873A1 (de) | 2009-11-20 | 2011-06-09 | Ecs Engineered Control Systems Ag | Vorrichtung zum Erfassen der Position eines Schalt- und/oder Wählhebels für ein Getriebe und Schaltvorrichtung für das Getriebe eines Kraftfahrzeuges |
| KR20120062560A (ko) * | 2010-12-06 | 2012-06-14 | 현대자동차주식회사 | 파킹 릴리이즈 액추에이터 |
| JP2013100858A (ja) | 2011-11-08 | 2013-05-23 | Jtekt Corp | 電動アクチュエータ |
| JP6173875B2 (ja) * | 2013-10-24 | 2017-08-02 | 日立オートモティブシステムズ株式会社 | 自動変速機のレンジ切換装置 |
| JP2015090197A (ja) * | 2013-11-06 | 2015-05-11 | 日産自動車株式会社 | パーキングアクチュエータの制御装置 |
| DE112015001788A5 (de) | 2014-04-11 | 2016-12-29 | Schaeffler Technologies AG & Co. KG | Getriebeaktor für ein Kraftfahrzeuggetriebe sowie Steuerung zur Ansteuerung eines Getriebeaktors |
| JP2016014435A (ja) * | 2014-07-02 | 2016-01-28 | 株式会社デンソー | シフトレンジ切換制御装置 |
| DE102015226594A1 (de) | 2015-07-03 | 2017-01-05 | Zf Friedrichshafen Ag | Parksperrgetriebe und Verfahren zum Betreiben eines Parksperrgetriebes eines Fahrzeugs |
| DE102015218411B3 (de) | 2015-09-24 | 2017-02-02 | Siemens Aktiengesellschaft | Positionsbestimmungsverfahren für eine Parksperre |
-
2017
- 2017-02-20 DE DE102017202647.2A patent/DE102017202647A1/de not_active Withdrawn
-
2018
- 2018-01-15 CN CN201880011605.7A patent/CN110291312A/zh active Pending
- 2018-01-15 EP EP18702114.2A patent/EP3583333A1/de not_active Withdrawn
- 2018-01-15 WO PCT/EP2018/050824 patent/WO2018149573A1/de not_active Ceased
- 2018-01-15 US US16/484,935 patent/US20200003304A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074211A (ja) * | 1998-08-31 | 2000-03-14 | Mitsubishi Motors Corp | 自動変速機のパーキング装置 |
| US20060185459A1 (en) * | 2005-02-18 | 2006-08-24 | Hitachi, Ltd. | Controller, control method and control system for controlling a motor vehicle gear-type transmission |
| US20070283735A1 (en) * | 2006-05-12 | 2007-12-13 | Getrag Getriebe-Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Transmission lock |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2018149573A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018149573A1 (de) | 2018-08-23 |
| DE102017202647A1 (de) | 2018-08-23 |
| US20200003304A1 (en) | 2020-01-02 |
| CN110291312A (zh) | 2019-09-27 |
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Effective date: 20210614 |