WO2016110352A1 - Procédé de surveillance d'un réseau de bord - Google Patents

Procédé de surveillance d'un réseau de bord Download PDF

Info

Publication number
WO2016110352A1
WO2016110352A1 PCT/EP2015/076396 EP2015076396W WO2016110352A1 WO 2016110352 A1 WO2016110352 A1 WO 2016110352A1 EP 2015076396 W EP2015076396 W EP 2015076396W WO 2016110352 A1 WO2016110352 A1 WO 2016110352A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical system
vehicle electrical
paths
vehicle
diagnosis
Prior art date
Application number
PCT/EP2015/076396
Other languages
German (de)
English (en)
Inventor
Matthias Horn
Christian Bohne
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
Priority to CN201580072861.3A priority Critical patent/CN107110896B/zh
Priority to EP15794894.4A priority patent/EP3243084A1/fr
Publication of WO2016110352A1 publication Critical patent/WO2016110352A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for

Definitions

  • the invention relates to a method for monitoring a vehicle electrical system and such a vehicle electrical system.
  • the electrical system is provided in particular for a motor vehicle.
  • highly automated driving should be permitted to a limited extent. A sensory, regulatory, mechanical and energetic fallback by the driver in this case is limited.
  • a highly automatic driving which is also referred to as highly automated driving, an intermediate step between an assisted driving in which the driver is assisted by assistance systems, and an autonomous driving in which the vehicle drives automatically and without the driver's intervention to understand.
  • the vehicle has its own intelligence that could plan ahead and take over the driving task, at least in most driving situations. Therefore, in a highly automatic driving the electrical supply has not previously known in the motor vehicle safety relevance.
  • On-board network topologies for increased reliability based on a 14 V on-board network are known, in which scalable and modular on-board network topologies for supplying safety-relevant electrical consumers are realized.
  • these consumers are divided into consumer groups with different security relevance, in principle, a two-channel electrical supply for redundant, security-relevant consumers and a fault-tolerant supply for simply existing security-relevant consumers are provided.
  • a vehicle electrical system for a vehicle with at least one safety-relevant consumer is known.
  • a simply existing security-relevant consumer is supplied redundantly from two subnetworks, a primary network and a secondary network.
  • vehicle electrical system that includes several sub-electrical systems, which are also referred to herein as vehicle electrical system paths.
  • Base board network be provided.
  • components such as, consumers, DC-DC converters, etc.
  • These components may be associated with one or more or even all of the vehicle electrical system paths. This means, for example, that the component is provided in several of the vehicle electrical system paths or couples them together.
  • safety-relevant consumers can be constructed redundantly, i. H. These are, for example, provided in duplicate, with both consumers being able to fulfill the assigned function alone. This means that a consumer is distributed over two channels or vehicle electrical system paths.
  • Consumers can also be arranged in the electrical system coupling elements, for example.
  • DC-DC converter are used, since these electrical system paths, between which they are arranged, can monitor. Is a
  • Coupling element connected between a vehicle electrical system path A and a vehicle electrical system B it is spoken herein that the coupling element is provided in both vehicle electrical system paths.
  • a superordinate diagnostic instance is present which determines the state of the
  • the diagnosis may, for example, show that a vehicle electrical system path has been impaired or even failed. Furthermore, unwanted galvanic couplings, for example. Between two electrical system paths, can be detected.
  • FIG. 1 shows an embodiment of a vehicle electrical system.
  • FIG. 2 shows a further embodiment of a vehicle electrical system.
  • Figure 3 shows a simplified representation of the structure of a consumer.
  • FIG. 4 shows an embodiment of a safety-relevant consumer in a simplified representation.
  • Figures 1 and 2 show examples and simplified topologies of electrical systems, such as those used, for example, in motor vehicles.
  • FIG. 1 shows a vehicle electrical system, which is designated overall by the reference numeral 10.
  • This comprises a base on-board network 12 with a starter 14, a generator 16, a battery 18 and a consumer R3 20.
  • a first coupling element 22, for example a DC-DC converter, a first battery 24 and a first consumer Rl 26 and a second coupling element 28th for example, a DC-DC converter, a second battery 30 and a second consumer 32 are provided.
  • the base on-board network 12 with the non-safety-relevant consumption R3 20 and additionally a first on-board power supply 34 and a second on-board power supply 36 are provided which are each coupled via their own coupling element 22 or 28 and via their own battery 24 or 30 or .
  • a first on-board power supply 34 and a second on-board power supply 36 are provided which are each coupled via their own coupling element 22 or 28 and via their own battery 24 or 30 or .
  • the consumers Rl 26 and R2 32 are provided to perform the same function.
  • FIG. 2 shows a vehicle electrical system, which is designated overall by the reference numeral 40.
  • This includes a baseboard network 42 with a starter 44, a generator 46, a battery 48 and a consumer 50. Furthermore, a coupling element 52, a first battery 54, a first consumer Rl 56 and a second consumer 58 are provided.
  • Figure 2 shows a variant of the embodiment of Figure 1 with a
  • safety-relevant vehicle electrical system 60 with the battery 54 and the first consumer 56 which may also represent a consumer group, which is decoupled via the coupling element 52 from the base vehicle 42 and thus is independent of this.
  • a second safety-related vehicle electrical system path 62 with the second consumer R2, which is possibly given by a consumer group, is connected directly to the base on-board network 42.
  • the recording of the on-board network status is distributed among the individual components.
  • the battery sensor of the consumer for example the ESP or the electric steering, measures the vehicle electrical system voltage.
  • the vehicle electrical system voltage there is no superordinate component that can detect the state of both channels, for example in the case of two-channel systems.
  • FIG. 3 An example of a safety-relevant redundant load can be seen in simplified form in FIG. 3, which is designated by the reference numeral 80.
  • the illustration shows a first signal electronics 82, a second signal electronics 84, a first main controller 86, a second main controller 88, a first output stage 90, a second output stage 92, a first motor 94 and a second motor 96.
  • a first communication 98, a second communication 100 and an internal communication line 102 illustrates. Arrows show a first port 104 to a first one
  • On-board electrical system and a second terminal 106 to a second electrical system path On-board electrical system and a second terminal 106 to a second electrical system path.
  • components of a controller 110 and a motor 112 are labeled with borders.
  • the consumer 80 shown in FIG. 3 could be a steering system or
  • Signal electronics 82 and 84, the main controller 86 and 88, the power amplifiers or power output stages 90 and 92 and the motor 112 is present twice. Also, the ports 104 and 106 to the electrical system paths and the communication 98 and 100 are provided in duplicate. Thus, in case of failure of a component or a vehicle electrical system or channel in one half, the other half redundant assume the function.
  • the boxes 84, 88, 92 and 96 shown below represent a consumer from the group R2.
  • the two parts 116, 118 are connected to each other via the internal communication line 102.
  • the two parts 116, 118 are thus parts 116, 118 of a component in the electrical system, in this case parts 116, 118 of the redundant consumer 80.
  • Onboard network paths or subnets are monitored by an on-board network component that is connected to several subnets.
  • an on-board network component that is connected to several subnets.
  • two basic embodiments are conceivable:
  • the coupling element can monitor and compare the state of the base on-board network and of the safety-relevant subnetwork.
  • the DC-DC converter can thus decouple the safety-relevant vehicle electrical system from the base on-board network with the consumer Rl.
  • the group of safety-relevant consumer Rl would be supplied from the memory Bl.
  • An advantage of the described method is that existing components in the electrical system are used for monitoring the subnetwork, in which they are functionally expanded. As a result, the integration effort in the wiring harness is reduced for the OEM (original equipment manufacturer) and the components have a multiple benefit or unique selling point feature.
  • Figure 4 shows the example of a consumer, which is designated by reference numeral 120, the necessary changes to the control unit.
  • the illustration shows a first signal electronics 122, a second
  • Signal electronics 124 a first main controller 126, a second
  • the input voltage of the respective electrical system paths is measured and read from the respective signal electronics 122 above and 124 below.
  • the voltage measurement can be done in a known manner. On the basis of various diagnostic methods it is evaluated whether the corresponding
  • the diagnosis result can be arranged via the centrally arranged
  • the channels may be galvanically connected due to an insulation fault.
  • Figure 1 can be detected only on the respective DC-DC converter
  • the galvanic coupling between the base on-board network and the safety-relevant subnet can be effected both via the DC-DC converter and via a redundant network
  • On-board network subscribers such as, for example, coupling elements, memory, sources, or the driver to be notified.
  • Draus other measures can be derived, for example, the opening of coupling elements, increasing the power of energy sources, the connection or disconnection of other electrical system loads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un réseau de bord comportant plusieurs chemins de réseau de bord , ainsi qu'un réseau de bord, conçu pour mettre ledit procédé en œuvre. A cet effet, un diagnostic est effectué au moyen d'un composant associé à plusieurs des chemins de réseau de bord.
PCT/EP2015/076396 2015-01-08 2015-11-12 Procédé de surveillance d'un réseau de bord WO2016110352A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580072861.3A CN107110896B (zh) 2015-01-08 2015-11-12 用于对车载电网进行监控的方法
EP15794894.4A EP3243084A1 (fr) 2015-01-08 2015-11-12 Procédé de surveillance d'un réseau de bord

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015200121.0 2015-01-08
DE102015200121.0A DE102015200121A1 (de) 2015-01-08 2015-01-08 Verfahren zum Überwachen eines Bordnetzes

Publications (1)

Publication Number Publication Date
WO2016110352A1 true WO2016110352A1 (fr) 2016-07-14

Family

ID=54545124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/076396 WO2016110352A1 (fr) 2015-01-08 2015-11-12 Procédé de surveillance d'un réseau de bord

Country Status (4)

Country Link
EP (1) EP3243084A1 (fr)
CN (1) CN107110896B (fr)
DE (1) DE102015200121A1 (fr)
WO (1) WO2016110352A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017118554A1 (fr) * 2016-01-07 2017-07-13 Robert Bosch Gmbh Réseau de bord

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015221729A1 (de) * 2015-11-05 2017-05-11 Robert Bosch Gmbh Verfahren zum Überwachen eines elektrischen Bordnetzes
FR3056709B1 (fr) * 2016-09-23 2020-01-17 Valeo Systemes Thermiques Pulseur d'air pour vehicule automobile alimente par deux reseaux d'alimentation electriques
FR3056875A1 (fr) * 2016-09-23 2018-03-30 Valeo Systemes Thermiques Dispositif de chauffage electrique pour vehicule automobile alimente par deux reseaux d'alimentation electriques
FR3056876B1 (fr) * 2016-09-23 2020-10-23 Valeo Systemes Thermiques Dispositif de chauffage electrique pour vehicule automobile alimente par deux reseaux d'alimentation electiques

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DE10320608A1 (de) * 2003-05-08 2004-12-02 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremsanlage für Fahrzeuge, insbesondere Nutzfahrzeuge mit mindestens zwei separaten elektronischen Bremssteuerkreisen
DE102005034161B3 (de) * 2005-07-21 2006-10-12 Siemens Ag Elektronische Vorrichtung
DE102006010713B4 (de) 2006-03-08 2010-04-01 Audi Ag Bordnetz für ein Fahrzeug und Verfahren zur Energieversorgung eines sicherheitsrelevanten Verbrauchers eines Bordnetzes
DE19855245B4 (de) 1997-12-02 2010-08-12 Robert Bosch Gmbh Redundante Spannungsversorgung für elektrische Verbraucher
US20140358346A1 (en) * 2013-06-04 2014-12-04 Trw Automotive U.S. Llc Optimized Power Supply Architecture

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DE19846319C1 (de) * 1998-10-08 2000-02-17 Daimler Chrysler Ag Energieversorgungsschaltung für ein Kraftfahrzeugbordnetz mit zwei Spannungsversorgungszweigen
DE10142085A1 (de) * 2001-08-30 2003-03-20 Volkswagen Ag Verfahren und Vorrichtung zur Bordnetzdiagnose eines Kraftfahrzeugbordnetzes
DE102005004330A1 (de) * 2005-01-31 2006-08-10 Robert Bosch Gmbh Bordnetz für sicherheitsrelevante Verbraucher
DE102007061729A1 (de) * 2007-12-20 2009-06-25 Robert Bosch Gmbh Verfahren zur Erkennung eines elektrischen Fehlers in einem elektrischen Netzwerk eines Kraftfahrzeugs
US20140009184A1 (en) * 2012-07-06 2014-01-09 Chen-Chung Chang Semiconductor chip test apparatus and method
KR101952713B1 (ko) * 2013-02-15 2019-02-27 콘티넨탈 오토모티브 시스템 주식회사 피크 앤 홀드 인젝션 신호에서의 단락 회로 진단 방법

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Publication number Priority date Publication date Assignee Title
DE19855245B4 (de) 1997-12-02 2010-08-12 Robert Bosch Gmbh Redundante Spannungsversorgung für elektrische Verbraucher
DE10320608A1 (de) * 2003-05-08 2004-12-02 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremsanlage für Fahrzeuge, insbesondere Nutzfahrzeuge mit mindestens zwei separaten elektronischen Bremssteuerkreisen
DE102005034161B3 (de) * 2005-07-21 2006-10-12 Siemens Ag Elektronische Vorrichtung
DE102006010713B4 (de) 2006-03-08 2010-04-01 Audi Ag Bordnetz für ein Fahrzeug und Verfahren zur Energieversorgung eines sicherheitsrelevanten Verbrauchers eines Bordnetzes
US20140358346A1 (en) * 2013-06-04 2014-12-04 Trw Automotive U.S. Llc Optimized Power Supply Architecture

Non-Patent Citations (1)

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Title
See also references of EP3243084A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017118554A1 (fr) * 2016-01-07 2017-07-13 Robert Bosch Gmbh Réseau de bord

Also Published As

Publication number Publication date
DE102015200121A1 (de) 2016-07-14
EP3243084A1 (fr) 2017-11-15
CN107110896B (zh) 2020-12-01
CN107110896A (zh) 2017-08-29

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