WO2014206408A1 - Steuergerät mit detektion der unterbrechung einer stromführenden leitung - Google Patents
Steuergerät mit detektion der unterbrechung einer stromführenden leitung Download PDFInfo
- Publication number
- WO2014206408A1 WO2014206408A1 PCT/DE2014/200259 DE2014200259W WO2014206408A1 WO 2014206408 A1 WO2014206408 A1 WO 2014206408A1 DE 2014200259 W DE2014200259 W DE 2014200259W WO 2014206408 A1 WO2014206408 A1 WO 2014206408A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current
- control unit
- control device
- actuator
- carrying line
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of 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
- F16H61/12—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
- F16H2061/1292—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 power supply, e.g. the electric power supply
Definitions
- the invention relates to a control device having the features according to the preamble of claim 1.
- the invention thus relates to a control device which is connected to an external power supply by means of a first current-carrying line and parallel to the first current-carrying line, a second current-carrying line between the power supply and the control unit is connected, which automatically switched on interruption of the first current-carrying line or is automatically usable.
- a control unit can be used for example in an automated manual transmission in a motor vehicle.
- the automated manual transmission may be a parallel-shift transmission (PSG) - also referred to as dual-clutch transmission - with two sub-drive trains, each with a partial transmission with multiple, switchable by one or more gear actuators gears, each sub-drive train is assigned a friction clutch, the is actuated by a clutch actuator.
- PSG parallel-shift transmission
- clutch actuators are controlled by one or more of the control devices according to the invention.
- control devices are also provided for fail-safe control of other electrically operated actuators, for example for controlling clutch and / or transmission actuators in automated clutch systems, for example in EKM systems (electronic clutch management), clutch-by-wire systems and all types of automated manual transmissions ( ASG, PSG).
- these control units for fail-safe operation of the actuators of disconnect couplings in hybrid vehicles and for operating parking brake actuators in motor vehicles and for controlling other actuators in motor vehicles, such as actuators for actuating switching elements in the drive train of a vehicle such as jaw clutches provided.
- a parallel shift transmission is known.
- Such parallel gearboxes are used in drive trains of motor vehicles and have two sub-drive trains, each associated with a friction clutch.
- the friction clutches are actuated independently of one another by an actuator.
- the actuation is controlled by a control unit by means of a control and driver unit.
- the control unit will powered by an external power source by means of a first current-carrying line with electrical energy.
- a second current-carrying line is present parallel to the first current-carrying line, which is automatically switched on when the first line is interrupted.
- the second current-carrying line is interrupted by means of a relay actively switched by a transistor. If a voltage comparison between the first and the second line indicates an interruption of the first line, the microprocessor executes an interrupt, which leads to a shutdown of the relay.
- the invention is based on the object, provides a reliable function of the control unit in case of disturbances in the supply voltage.
- the object is thus achieved by a control device in that in the first current-carrying line for supplying power to the control device, a first current testing unit is arranged, by means of which the interruption of the first current-carrying line can be detected.
- the current testing unit can be easily determined whether the first live line is interrupted. That is, if the first current-carrying line fails due to a cable break, a drop of the plug or a defect of the fuse, the second current-carrying line ensures the voltage supply of the control unit without delay.
- a second current testing unit is arranged in the second current-carrying line.
- both the first and the second current-carrying line can be independently monitored for a defect.
- the first and the second current-carrying line by means
- each current testing unit is arranged behind an input of the control unit, in which the respective plug connection engages.
- the control unit must be retrofitted with only two or four (including the review of the ground lines) Stromprüföen behind the input of the control unit for safe monitoring of the power supply, which is a particularly cost-effective option.
- each current testing unit as a current measuring unit comprises a shunt resistor.
- a shunt resistor is a very cost-effective component, which can be easily integrated into the control unit.
- each Stromprüfache comprises as a current measuring element a reverse polarity protection.
- a polarity reversal protection which is present in the control unit, so that it is connected both in the first and the second energy supply path, but a voltage interruption can also be reliably detected in this case.
- each voltage test unit contains a comparator which compares the voltages occurring before and after the current measuring element and whose output is connected to a microprocessor of the control device which activates the actuator.
- the microprocessor receives information about which of the current-carrying lines possibly has an interruption.
- An interruption is characterized in that the comparator detects a difference signal which is smaller in the case of a defect than in the case of a correct voltage supply. If there is a defect in the current-carrying line, the comparator outputs a switching signal to the microprocessor.
- a corresponding control routine may, for example, a limited gear selection and in the case of a parallel transmission circuits with interruption of traction, and generally provide a limitation of the dynamics of the actuator, limiting the current of the actuator and / or the like.
- the driver is warned by, for example, a maintenance notice is output visually and / or acoustically and / or haptically.
- a suitably initiated emergency mode via an information network, such as a CAN bus, other control devices be communicated so that they too, if necessary, respond to the emergency mode by, for example, a moment intervention is made in the internal combustion engine to limit the moment.
- the actuator is controlled by the control unit such that the power consumption of the actuator is limited, for example, by limiting the electrical power provided to the actuator, so that a line failure of second live line is very unlikely.
- the control unit also does not initiate safety-critical measures such as overlapping circuits in the case of a dual-clutch transmission.
- Fig. 1 an embodiment of a control device according to the invention with a redundant power supply by way of example in a parallel transmission.
- the control unit 1 operates an actuator 2 with two electric motors 3 for actuating a double clutch of a parallel gearbox, which contains two friction clutches.
- the actuator 2 is formed from two individual components, each comprising an electric motor 3. The components and lines for controlling and powering the actuator 2 are omitted for clarity. Only a driver 4 and an output stage 5 are shown schematically.
- the control unit 1 is connected to the on-board network of the motor vehicle by means of a first current-carrying line 7, in particular the so-called “terminal 30" (input battery plus.)
- the ground line 8 belonging to the first line 7 is connected to the so-called “terminal 31" (return line) Battery negative or ground) connected.
- the control unit 1 is supplied with energy.
- the line 7 is secured by means of a fuse F1. Prior to the fuse F1 branches off a second current-carrying line 9, which is secured by a fuse F2.
- a second ground line 10 is connected to "terminal 31".
- the first and the second current-carrying line 7 and 9 and the ground lines 8 and 10 are connected via not shown separate connectors with the control unit 1.
- a shunt resistor 15, 16, 17, 18 is provided for each line 7, 8, 9, 10 respectively.
- the outputs of the shunt resistors 15, 17 of the first and second current-carrying lines 7, 9 lead to a polarity reversal protection 19, while the ground lines 8, 10 are guided behind the shunt resistor 16, 18 to ground.
- the respective shunt resistor 15, 17, 16, 18 of a respective comparator 20, 21, 22, 23 bridged.
- the comparator 20 measures the voltage which is applied in front of the shunt resistor 15 and which, after the shunt resistor 15, in the first current-carrying line 7.
- the comparator 20 will detect a difference> 0 in the voltages before and after the shunt resistor 15. But if a line break, a failure of the fuse F1 or a plug failure has occurred, the comparator 20 will detect no voltage difference from the voltages before and after the shunt resistor 15.
- the monitoring can only be carried out when the output stage 5 of the electric motors 3 is energized in order to set the detection threshold so that possible measuring tolerances have no decisive influence on the detection. Since the comparator 20 leads with its output to an input AnaJnO of the microprocessor 6, the microprocessor 6 can determine whether a defect of the first line 7 is present.
- Comparators 21, 22, 23 is applied to a separate input Ana_ln1 to Ana_ln3 of the microprocessor 6, which supports the microprocessor 6 in the distinction of the individual lines 7, 8, 9, 10.
- the secured by the fuse F3 line 24 is one of the position of the fuse F3 line 24
- Ignition switch dependent live line which activates the control unit 1 with the ignition switched on. If the control unit 1 operates according to "ignition on” during normal operation, then the control unit 1 is connected to the battery supply via two supply lines 7, 9 and associated two ground lines 8, 10. In the event of a fault, for example if the fuse F1 of the first line 7 burns out If the supply line breaks or the plug connection of the supply line drops, the voltage across the shunt resistor 15 also drops.
- the microprocessor 6 can diagnose at its inputs AnaJnO-3, which supply input of the Control unit 1 has failed and locks the power amplifier 5 or at least reduces the power, so that the control unit 1 is not overloaded. This has the consequence that no or only a reduced current flow to the electric motors 3 takes place.
- the supply of the control unit 1 can be made without delay. This makes it possible to avoid safety-critical conditions.
- the system can be brought into a state in order to enable the driver to drive in a limp home mode even without a redundant supply line in order to reach his destination in this case as well. This can be achieved if, for example, both clutches of the dual-clutch transmission are actuated sequentially, which corresponds to switching with traction interruption.
- the actuator is caused to be controlled by the control unit such that the power consumption of the actuator is limited by limiting the electrical power provided to the actuator, so that a line failure of the second live line 9 is very unlikely.
- the control unit also does not initiate safety-critical measures such as overlapping circuits in the case of a dual-clutch transmission.
- control unit 1 is unintentionally de-energized.
- An active control unit can recognize a critical situation via the functional software and resolve or prevent it by taking suitable measures.
- Such an inventive control device can not only advantageous in parallel transmission (PSG) but also in other automated transmissions (ASG) and / or automated clutch systems (EKM, clutch-by-wire, starting clutches) with controlled by the control unit gear actuators and / or clutch actuators be used in a motor vehicle.
- PSG parallel transmission
- ASG automated transmissions
- EKM clutch-by-wire, starting clutches
- control devices according to the invention can advantageously for fail-safe operation of the actuators of separating clutches in hybrid vehicles for the separation of internal combustion engine and electric motor, and for operating parking brake actuators in motor vehicles, as well as for controlling other actuators in motor vehicles that are to be operated as fail-safe such as actuators are used to actuate other switching elements in the drive train of a vehicle such as jaw clutches.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014003026.0T DE112014003026B4 (de) | 2013-06-26 | 2014-06-13 | Steuergerät |
JP2016522275A JP6388932B2 (ja) | 2013-06-26 | 2014-06-13 | 電源供給線の断線検出器を有する制御装置 |
CN201480036241.XA CN105339853B (zh) | 2013-06-26 | 2014-06-13 | 带引导电流的线路的中断的检测的控制设备 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013212172.5 | 2013-06-26 | ||
DE102013212172 | 2013-06-26 | ||
DE102013214065 | 2013-07-17 | ||
DE102013214065.7 | 2013-07-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014206408A1 true WO2014206408A1 (de) | 2014-12-31 |
Family
ID=51162402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2014/200259 WO2014206408A1 (de) | 2013-06-26 | 2014-06-13 | Steuergerät mit detektion der unterbrechung einer stromführenden leitung |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6388932B2 (de) |
CN (1) | CN105339853B (de) |
DE (2) | DE102014211355A1 (de) |
WO (1) | WO2014206408A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016223465A (ja) * | 2015-05-27 | 2016-12-28 | 株式会社デンソー | 変速制御装置 |
WO2018008360A1 (ja) * | 2016-07-07 | 2018-01-11 | 株式会社オートネットワーク技術研究所 | リレー装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018123118A1 (de) | 2017-09-20 | 2019-03-21 | Schaeffler Technologies AG & Co. KG | Detektionsvorrichtung für EC-Motoren mit je einer Spannungserfassungsstelle im Batteriepfad und im Zündungspfad sowie Detektionsverfahren |
EP3569143A1 (de) | 2018-05-15 | 2019-11-20 | Siemens Healthcare GmbH | Detektion von signalpfaddefekten bei der messung von bioelektrischen signalen |
DE102018117447A1 (de) * | 2018-07-19 | 2020-01-23 | WABCO GmbH IP/Intellectual Property | Elektrisches Steuergerät für ein Fahrzeug sowie System damit und Verfahren zum Betreiben eines Fahrzeugs |
JP7284935B2 (ja) | 2019-06-25 | 2023-06-01 | スズキ株式会社 | 電動車両のアース構造 |
JP7342804B2 (ja) * | 2020-06-19 | 2023-09-12 | 株式会社デンソー | 電子制御装置 |
DE102020212819A1 (de) | 2020-10-09 | 2022-04-14 | Volkswagen Aktiengesellschaft | Parksperrenaktor für eine Parksperre eines Getriebes und Verfahren zum Steuern und / oder Regeln eines Parksperrenaktors für eine Parksperre eines Getriebes |
Citations (4)
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DE4441070A1 (de) * | 1994-11-18 | 1996-05-30 | Leuze Electronic Gmbh & Co | Sicherheitsschalteranordnung |
DE19517492A1 (de) * | 1995-05-12 | 1996-11-14 | Rexroth Mannesmann Gmbh | Analoge Stromschnittstelle |
US20070185588A1 (en) * | 2006-02-08 | 2007-08-09 | Moore Industries International, Inc. | Redundant fieldbus system |
DE102008050289A1 (de) | 2007-10-22 | 2009-04-23 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Parallelschaltgetriebe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3478193B2 (ja) * | 1999-05-24 | 2003-12-15 | トヨタ自動車株式会社 | 電源監視装置 |
JP2002270383A (ja) * | 2001-03-08 | 2002-09-20 | Auto Network Gijutsu Kenkyusho:Kk | ランプ断線検出装置、ランプ断線検出方法およびプログラム |
DE10127363C1 (de) | 2001-06-06 | 2002-10-10 | Siemens Ag | Zündvorrichtung, Steuergerät und Zündanlage für eine Brennkraftmaschine |
FR2896354B1 (fr) * | 2006-01-19 | 2011-07-15 | Valeo Embrayages | Dispositif de commande adaptative d'un actionneur, en particulier d'embrayage ou de boite de vitesses |
DE102008008536A1 (de) * | 2008-02-11 | 2009-08-13 | Robert Bosch Gmbh | Verfahren für die Steuerung einer elektrischen Maschine und Steuereinrichtung |
CN102466032B (zh) * | 2010-11-08 | 2016-09-14 | 申水文 | 车辆自动变速箱控制装置 |
JP2012183951A (ja) * | 2011-03-07 | 2012-09-27 | Fuji Heavy Ind Ltd | 車両の電源供給装置 |
JP5640950B2 (ja) * | 2011-10-31 | 2014-12-17 | 株式会社デンソー | 車両用制御装置 |
-
2014
- 2014-06-13 CN CN201480036241.XA patent/CN105339853B/zh active Active
- 2014-06-13 DE DE102014211355.5A patent/DE102014211355A1/de not_active Withdrawn
- 2014-06-13 DE DE112014003026.0T patent/DE112014003026B4/de active Active
- 2014-06-13 WO PCT/DE2014/200259 patent/WO2014206408A1/de active Application Filing
- 2014-06-13 JP JP2016522275A patent/JP6388932B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4441070A1 (de) * | 1994-11-18 | 1996-05-30 | Leuze Electronic Gmbh & Co | Sicherheitsschalteranordnung |
DE19517492A1 (de) * | 1995-05-12 | 1996-11-14 | Rexroth Mannesmann Gmbh | Analoge Stromschnittstelle |
US20070185588A1 (en) * | 2006-02-08 | 2007-08-09 | Moore Industries International, Inc. | Redundant fieldbus system |
DE102008050289A1 (de) | 2007-10-22 | 2009-04-23 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Parallelschaltgetriebe |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016223465A (ja) * | 2015-05-27 | 2016-12-28 | 株式会社デンソー | 変速制御装置 |
WO2018008360A1 (ja) * | 2016-07-07 | 2018-01-11 | 株式会社オートネットワーク技術研究所 | リレー装置 |
JP2018006252A (ja) * | 2016-07-07 | 2018-01-11 | 株式会社オートネットワーク技術研究所 | リレー装置 |
CN108604516A (zh) * | 2016-07-07 | 2018-09-28 | 株式会社自动网络技术研究所 | 继电器装置 |
CN108604516B (zh) * | 2016-07-07 | 2020-03-13 | 株式会社自动网络技术研究所 | 继电器装置 |
DE112017000268B4 (de) | 2016-07-07 | 2024-03-21 | Autonetworks Technologies, Ltd. | Relaisvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE102014211355A1 (de) | 2014-12-31 |
JP6388932B2 (ja) | 2018-09-12 |
DE112014003026A5 (de) | 2016-03-31 |
CN105339853B (zh) | 2018-02-13 |
JP2016530492A (ja) | 2016-09-29 |
DE112014003026B4 (de) | 2024-01-04 |
CN105339853A (zh) | 2016-02-17 |
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