WO2011127890A1 - Vorrichtung zur betätigung von kraftfahrzeugkomponenten - Google Patents
Vorrichtung zur betätigung von kraftfahrzeugkomponenten Download PDFInfo
- Publication number
- WO2011127890A1 WO2011127890A1 PCT/DE2011/000331 DE2011000331W WO2011127890A1 WO 2011127890 A1 WO2011127890 A1 WO 2011127890A1 DE 2011000331 W DE2011000331 W DE 2011000331W WO 2011127890 A1 WO2011127890 A1 WO 2011127890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- actuator
- control unit
- unit
- bus system
- central control
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- 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
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0006—Electronic control units for transmission control, e.g. connectors, casings or circuit boards
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
-
- 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
- F16H61/32—Electric motors , actuators or related electrical control means therefor
-
- 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
- F16H61/68—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 specially adapted for stepped gearings
- F16H61/684—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 specially adapted for stepped gearings without interruption of drive
- F16H61/688—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 specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/126—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is the controller
- F16H2061/1268—Electric parts of the controller, e.g. a defect solenoid, wiring or microprocessor
Definitions
- the invention relates to a device for actuating motor vehicle components, in particular in a drive train of the motor vehicle, having a central control device communicating with further vehicle components by means of a first bus system and at least one actuator unit in signal communication with a mechanical actuator comprising at least one electric motor, a sub-control device with a the actuator operating power electronics and a controlling this logic device.
- Devices for actuating motor vehicle components for actuating at least one friction clutch, for example a dual clutch of a dual-clutch transmission consisting of two friction clutches and / or actuator units for actuating a transmission such as a dual-clutch transmission with a selection actuator unit for selecting a gear to be actuated and a shift actuator unit for switching a selected gear are known for example from DE 10 2005 055 221 A1.
- the actuator units are each used locally and provided by means of a local electronics, which acts on the actuators, consisting of an electric motor and an adapted to the application actuation mechanism, with a supply voltage and makes the position control of the actuator.
- the individual actuator units are supplied separately with the operating voltage and are connected via so-called bus lines with a central control unit in signal connection.
- ASIL-C Automatic Safety Integrity Level
- ASIL-C Automatic Safety Integrity Level
- An operation of at least one actuator unit for a friction clutch must therefore be intrinsically safe, self-protecting, adapted to harsh ambient conditions such as high temperatures, for example up to 125 ° C, and can be done independently of another actuator unit or the central control unit.
- the object of the invention is the advantageous development of known devices for
- a device for actuating motor vehicle components in particular in a drive train of the motor vehicle having a plurality of control devices, namely a central control device communicating with further vehicle components by means of a first bus system and at least one actuator unit in signal communication with a mechanical actuator comprising at least one electric motor , an understeer device having a power electronics operating the actuator and a logic device controlling this, the actuator unit being supplied directly with an operating voltage whose operating state is controlled by a control line and connected to a control device by means of a second bus system operated separately from the first bus system.
- the stability and safety of the device is substantially increased.
- an actuator unit can operate independently with a corresponding operating state given by the control line, even if the central control unit or the bus connection to it has failed.
- the second bus system is stabilized by operating independently of the first bus system, for example CAN (Car Area Network), so that disturbances of the first bus system do not affect the second bus system, for example a separate (private) operated CAN, via the actuator-specific data between the central control unit and the actuator units or between the actuator units are exchanged, affect.
- the second bus system is therefore imperceptible to the first bus system, transmission units such as modems of the two bus systems are operated independently of each other by a corresponding driver software of the central control unit, an interface can only be created via the driver software or management software of the central control unit, so that data of the actuator units on the first bus system and present on the first bus system data for controlling the actuator units can be kept on the second bus system.
- CAN Car Area Network
- the groups of actuator units may comprise different functional units, for example, in each case one of two double clutches forming friction clutches so that the friction clutches can communicate securely via independently provided bus systems with the central control unit and other actuator units (via the central control unit).
- the central control unit can be integrated in one of a plurality of actuator units.
- Such an actuator unit may contain one or more actuators in the same housing, for example the switching and / or dialing actuator. These are completed by the corresponding, provided in the housing control and logic devices to the actuator units.
- Further actuator units are communicatively coupled via one or more second bus systems to the central control unit with the integrated actuator units and optionally communicatively with them.
- two decoupled actuator units for the actuation of a respective friction clutch of a dual clutch may be provided and communicatively connected via a common or separate bus system to the central control unit.
- actuator units integrated control unit can be provided that at least one of the two actuators physically separated from the housing and by means of a supply line with the Power electronics placed in the housing and connected by means of a control line to the logic device of the at least one actuator unit placed in the housing.
- a separation of integrated into the common housing with the central control unit actuator units in a control and logic part and the separated actuators may be particularly advantageous if there is too little space for the housing for the entire training locally, for example, in the transmission or at this arranged gear actuators.
- the actuators remote from the housing are preferably actuators which, for example, have to meet a lower safety standard or can be arranged in close proximity to the housing, so that the preferably pulsed operating voltage for the supply and position control of the Electric motors of the actuators without great risk can be transmitted via lines between the housing and actuators.
- at least one actuator unit in the sense of the invention is communicatively connected to the central control unit by means of a second bus system, supplied separately with operating voltage and controlled with respect to its operating state by means of the control line.
- the central control unit as a higher-level control unit can take over the entire motor vehicle control and control tasks and therefore with a variety of other intermediate control devices that exert control influences on other functional areas such as engine control, steering, brake system, closure system, lighting, air conditioning and the like of the motor vehicle, over first bus system in connection.
- the central control unit for longitudinal control of the motor vehicle and / or for controlling a hybrid drive may include a plurality of subordinate controls, for example, a combined clutch and transmission control unit.
- actuator units provided for this purpose can be arranged communicatively directly via the second bus system to the central control unit.
- a suitable interface results between the central control unit provided by the manufacturer and the actuator units provided by the supplier.
- an intermediate control device can be provided in particular for simplifying the central control unit between the central control unit and the at least one actuator unit, wherein the central control unit communicates with the intermediate control unit and the intermediate control unit by means of the first bus system with the actuator units by means of at least one second bus system.
- the intermediate control unit takes the place of the central control unit via the second bus system and can communicate with further intermediate control units controlling other functional areas of the motor vehicle and / or with the higher-level central control unit by means of the first bus system as provided Exchange data.
- an advantageous interface between the manufacturer of the motor vehicle and a supplier of the at least one actuator unit is preferably provided between the central control unit and the intermediate control unit.
- the proposed actuator units can form assemblies with the components to be actuated, such as friction clutches or their surrounding housing components, or be flanged to them. Furthermore, actuator units can be flanged to a transmission or be integrated in this. In this case, an actuator unit can exercise a selection function and an actuator unit a switching function of the transmission.
- FIG. 1 shows a block diagram of a device for actuating a dual clutch and a dual-clutch transmission with four independent actuator units and a central control unit
- FIG. 2 shows a block diagram of a device similar to the device of FIG. 1 with four independent actuator units, a central control unit and an intermediate control unit connected downstream of it and in signal communication with the actuator units,
- FIG. 3 shows a block diagram of a device similar to the device of FIGS. 1 and 2 with two actuator units integrated in an intermediate control unit,
- Figure 4 is a schematic diagram of a device according to Figure 4, in which, in contrast to this, the actuators are decoupled from the housing
- Figure 5 is a schematic diagram of a similar to the previous devices
- Figure 1 shows the device 1 for actuating a dual clutch with two friction clutches and for actuating, for example, a selection function and a switching function of a dual clutch transmission by means of the actuator units 2, 3, 4, 5, each consisting of an actuator 6, 7, 8, 9 with a Electric motor and adapted to the application situation actuation system are formed.
- the actuators 6, 7, 8, 9 are controlled by sub-controllers 10, 11, 12, 13. These are supplied with operating voltage by the supply lines 14 and 16, which are each protected by their own fuse 15A to 15D, and are operated depending on the control line 17, for example, depending on an ignition signal or startup signal of the motor vehicle.
- the actuator units 2, 3, 4, 5 form two mixed groups for actuating a friction clutch and a transmission actuating element, wherein the group with the actuator units 2, 3 the switching actuator unit and a clutch actuator unit and the actuator units 4, 5 form the selection actuator and a clutch actuator.
- the central control unit 18 is connected via the first bus system 19 in connection with other - not shown control devices in connection and exchanges relevant data.
- the central processing unit 20 contains the control and monitoring software and communicates with the signal detection device 21 for detecting various sensor signals.
- the supply of operating voltage via the supply lines 14, 16 analogous to the actuator units 2, 3, 4, 5 with a corresponding activation and shutdown via the control line 17. From the arithmetic unit 20 of the safety monitor 22 is further controlled.
- a second bus system 23, 24 is active between the actuator units 2, 3 or 4, 5, respectively, which exchanges data between the arithmetic units 20 of the central control unit 18 and the arithmetic units 25.
- the central processing unit 20 can serve as a communicative interface between the bus systems 19, 23, 24, wherein a direct communication between the bus systems 19, 23, 24 is not provided.
- the sub-controllers 10, 11, 12, 13 are formed substantially identical to the bus system 23 or 24, the arithmetic units 25 with the integrated logic device 26, the power electronics 27, the filter device 28 and the safety monitor 29.
- FIG. 2 shows, in contrast to the device 1 of FIG. 1, the device 1a with the superordinate central control device 18a and the intermediate control device 30, which are unspecific with respect to the device 1 and which have the specific functions with respect to the actuator units 2a, 3a, 4a, 5a corresponding to the central control device 18 of Figure 1 depicts.
- the intermediate control device is connected to the central control unit 18a by means of the first bus system 19a. Accordingly, the second bus systems 23a, 24a between the actuator units 2a, 3a and 4a, 5a and the intermediate control device 30 are effective.
- the device 1b of Figure 3 is provided with the intermediate control device 30a, which receives the actuator units 2b, 4b for controlling the transmission in a single unit, so that the second bus system 24b only between the two intrinsically safe actuator units 3b, 5b and the intermediate control device 30a is provided.
- the actuator units 3b, 5b are each used for the safety-critical control of a friction clutch of a dual clutch.
- the power electronics 27b and logic device Device 26b of the two actuator units 2b, 4b is integrated in the intermediate control device 30a, which is communicatively connected to the central control device 18b via the first bus system 19b.
- FIG. 4 shows in the device 1c a variant of the device 1b of FIG. 3 with the difference that the actuators 6c, 8c of the actuator units 2c, 4c are spatially separated from the intermediate control device 30b.
- the operating voltage of the actuators 6c, 8c with the displacement sensor 31 as Hall sensors of the electric motors contained in these commutation and position control of the actuating mechanism is transmitted from the power electronics 27c via the lines 32 to the electric motors.
- FIG. 5 shows the device 1d formed with respect to the devices 1b and 1c of FIGS. 3 and 4 without an intermediate control device, in which the power electronics 27d of the actuator units 2d, 4d are arranged in the central control device 18d.
- the actuators 6d, 8d are deposited according to the actuators 6c, 8c of Figure 4 of the housing of the central control unit 18d and connected by means of the lines 32 each with the associated power electronics 27d.
- the actuator units 3d, 5d which are intrinsically safe and communicatively connected to the central control unit by means of the second bus system 24d, are designed in accordance with the actuator units 3, 5 of FIG.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011101301T DE112011101301A5 (de) | 2010-04-13 | 2011-03-28 | Vorrichtung zur Betätigung von Kraftfahrzeugkomponenten |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010014851 | 2010-04-13 | ||
DE102010014851.2 | 2010-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011127890A1 true WO2011127890A1 (de) | 2011-10-20 |
Family
ID=44486952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/000331 WO2011127890A1 (de) | 2010-04-13 | 2011-03-28 | Vorrichtung zur betätigung von kraftfahrzeugkomponenten |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE112011101301A5 (de) |
WO (1) | WO2011127890A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014079434A1 (de) * | 2012-11-22 | 2014-05-30 | Schaeffler Technologies AG & Co. KG | Verfahren zum steuern einer drehmomentübertragungseinrichtung |
DE102014213680B4 (de) * | 2014-07-15 | 2022-01-27 | Vitesco Technologies Germany Gmbh | Getriebeanordnung |
CN107820550A (zh) * | 2015-06-30 | 2018-03-20 | 舍弗勒技术股份两合公司 | 用于交通运输工具的执行单元 |
DE102015226351A1 (de) | 2015-12-21 | 2017-06-22 | Volkswagen Aktiengesellschaft | Smart Aktor System für ein Kraftfahrzeug und Antriebseinheit mit einem solchen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000016060A1 (en) * | 1998-09-10 | 2000-03-23 | Mecel Ab | Method and system for diagnosing complex distributed systems, preferably implemented in vehicles |
DE19960334A1 (de) * | 1999-01-08 | 2000-07-13 | Luk Lamellen & Kupplungsbau | Kraftfahrzeug |
US6281649B1 (en) * | 1997-01-03 | 2001-08-28 | Mccord Winn Textron Inc. | Windshield wiper system |
DE102005055221A1 (de) | 2004-12-18 | 2006-06-22 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Betätigungsvorrichtung für Kraftfahrzeugkomponenten |
DE102008061564A1 (de) * | 2008-01-02 | 2009-07-09 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Kupplungsaktor und Verfahren zu dessen Steuerung |
-
2011
- 2011-03-28 WO PCT/DE2011/000331 patent/WO2011127890A1/de active Application Filing
- 2011-03-28 DE DE112011101301T patent/DE112011101301A5/de not_active Ceased
- 2011-03-28 DE DE201110015273 patent/DE102011015273A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6281649B1 (en) * | 1997-01-03 | 2001-08-28 | Mccord Winn Textron Inc. | Windshield wiper system |
WO2000016060A1 (en) * | 1998-09-10 | 2000-03-23 | Mecel Ab | Method and system for diagnosing complex distributed systems, preferably implemented in vehicles |
DE19960334A1 (de) * | 1999-01-08 | 2000-07-13 | Luk Lamellen & Kupplungsbau | Kraftfahrzeug |
DE102005055221A1 (de) | 2004-12-18 | 2006-06-22 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Betätigungsvorrichtung für Kraftfahrzeugkomponenten |
DE102008061564A1 (de) * | 2008-01-02 | 2009-07-09 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Kupplungsaktor und Verfahren zu dessen Steuerung |
Also Published As
Publication number | Publication date |
---|---|
DE102011015273A1 (de) | 2011-10-13 |
DE112011101301A5 (de) | 2013-01-31 |
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