[go: up one dir, main page]

WO2016030120A1 - Système de communication pour véhicule automobile comportant un entraînement électrique - Google Patents

Système de communication pour véhicule automobile comportant un entraînement électrique Download PDF

Info

Publication number
WO2016030120A1
WO2016030120A1 PCT/EP2015/067470 EP2015067470W WO2016030120A1 WO 2016030120 A1 WO2016030120 A1 WO 2016030120A1 EP 2015067470 W EP2015067470 W EP 2015067470W WO 2016030120 A1 WO2016030120 A1 WO 2016030120A1
Authority
WO
WIPO (PCT)
Prior art keywords
data communication
submodules
control unit
submodule
interfaces
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.)
Ceased
Application number
PCT/EP2015/067470
Other languages
German (de)
English (en)
Inventor
Detlef Ludwig
Sebastian ROGGE
Edmund Schirmer
Jochen KOSZESCHA
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.)
Aumovio Microelectronic GmbH
Original Assignee
Conti Temic Microelectronic 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 Conti Temic Microelectronic GmbH filed Critical Conti Temic Microelectronic GmbH
Publication of WO2016030120A1 publication Critical patent/WO2016030120A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/12—Recording operating variables ; Monitoring of operating variables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present invention particularly relates to the technical field of motor vehicles, and more particularly to a system for controlling an electric machine in an electric motor vehicle.
  • availability is an important system feature of the vehicle.
  • control and control is centrally connected via a so-called control and communication ⁇ unit (control board) with the power section of the inverter.
  • a failure of this control structure inevitably leads to a system failure of the drive unit and thus to a non-ready vehicle.
  • Multilevelumrichtern said submodules (power units with control, logic unit ⁇ and data acquisition) via a star-shaped communication interface with the higher-order control device are connected to so-.
  • This star-shaped arrangement makes it possible to address each individual submodule directly from the control unit.
  • a short circuit in one of the data lines with a star-shaped structure can lead to the failure of the entire system (damage to the higher-level control and control unit). As a rule, however, only the affected submodule fails. In both cases, the vehicle is no longer ready to drive.
  • Control board can be read in and out.
  • the control of the input and output area takes place exclusively on the control board (master). It is an object of the present invention to provide an improved data communication system which is more robust and efficient over the known star structure.
  • a system for controlling an electric machine comprises: (a) a plurality of sub-modules, each sub-module configured for power transmission to or from a portion of the electrical machine having an interface for data communication, (b) a first data communication structure, and (c) a second data communication structure, wherein both the first and the second data communication structure with the
  • Interfaces of the plurality of submodules are connected in such a way that they each form a closed ring.
  • the electric machine is preferably provided for a motor vehicle, such as a traction machine or as a starter / generator.
  • the electric machine can be designed as a motor and / or generator.
  • Each submodule is designed to feed a part (approximately in one phase) of the electric machine and / or to receive power from the relevant part or phase.
  • the electrical machine may be a generator of a motor ⁇ plant such as a wind turbine.
  • the described system is based on the knowledge that a double ring structure is formed by the first data communication structure and the second data communication structure, which both form a separate closed ring.
  • Each closed ring allows direct data communication between the submodules, and should one of the closed rings are broken, for example due to a short circuit, the other closed ring remains ⁇ be and the submodules can continue to communicate with each other unrestricted.
  • a system is a device, in particular a circuit arrangement.
  • As part of the electrical machine for example, one of a plurality of phases or windings or phase windings is referred to.
  • the first data communication structure comprises a first data communication line ⁇ on
  • the second data communication structure includes a second data communication line and the interfaces of the sub-modules are connected in parallel with the first and second microkom ⁇ munikations effet.
  • each submodule is connected to both the first data communication line and the second data communication line.
  • each submodule has direct access to data transmitted on both data communication lines, and can also input its own data directly into both data communication lines to be forwarded to other submodules.
  • the first data communication structure comprises a first plurality of data communication lines representing a first serial connection between the interfaces of the submodules
  • the second data communication structure comprises a second plurality of data communication lines comprising a second serial connection between the interfaces of the submodules Submodule represents.
  • the submodules are connected in series by both the first data communication structure and the second data communication structure.
  • the first data communication structure has a first plurality of data communication lines, each data communication line providing a first connection between the interfaces of two adjacent submodules, so that all submodules are connected by a first closed ring.
  • each data communication ⁇ line providing a second connection between the interfaces of two adjacent sub-modules so that all sub ⁇ module are also connected by a second closed ring.
  • all submodules can communicate with one another directly via the two annular data communication structures.
  • each submodule can receive and use data from all other submodules, and it can communicate data to all other submodules.
  • the first and second data communication lines or the first and second plurality of data communication lines comprise electrical, optical or magnetic data communication lines.
  • Electrical data communication lines are, in particular, electrical cables of the conductor tracks with one or more signal lines, for example copper lines.
  • Optical data communication lines are in particular optical waveguides or fibers which are suitable for the transmission of optical signals.
  • Magnetic data communication lines are in particular line structures which are suitable for data transmission by means of magnetic effects.
  • the system further comprises a central control unit which is connected to the interfaces of two submodules.
  • the central control unit is responsible for the overall control of the submodules and has at least one pro cessor ⁇ , memory and suitable interfaces.
  • the central control unit may for example specify setpoints for the individual sub-modules, start the execution of certain functions or programs and exit, etc.
  • the central control unit may further be responsible ⁇ sible for monitoring the sub-modules to detect errors and correct them if necessary ,
  • the central control unit is connected to the interfaces of two submodules. Should the connection to one of the two submodules fail, the central control unit can thus still communicate with the other submodule and thus also with the other submodules via the first and second data communication structure. In other words, the connection secures two sub-modules also provide redundancy and thus a ver ⁇ improved robustness.
  • the central control unit is connected in each case via a first and a second main data communication line to the interface of each of the two submodules.
  • each of the two connections between the central control unit and one of the two sub-modules has two main data communication lines each. Should one of these
  • Main communication data lines in one of the connections suspend the connection between the central control unit and the affected submodule continues via the other main data communication line. Consequently, the two connections between the central control unit and the two submodules each contain two main kommunikations ⁇ lines and thus have a redundancy, which further improves the robustness.
  • the first main-data communication line is part of the first data communication structure and the second main-data communication line is part of the second data communication ⁇ structure.
  • the central control unit is incorporated in each of the two closed rings formed by the first and second data communication structures.
  • each submodule has a control unit configured to control and regulate the submodule based on data transmitted by the first and second data communication structures.
  • the control unit has at least one processor or an ASIC and a memory and is set up for data communication via the interface.
  • the control unit may control the submodule based on data or control signals from the central control unit and / or from other submodules.
  • the control unit can respond to data coming directly from another submodule, that is without the influence of the central control unit.
  • the control unit may also communicate data and control signals directly to other submodules to directly control the operation thereof.
  • each submodule has a sensor unit which is set up for acquiring measured data and for transmitting the acquired measured data by the first and second data communication structures.
  • the sensor unit may have, in particular temperature sensors, voltage sensors ⁇ tension and / or current sensors.
  • the motor control of this aspect is based on the same insight as the first aspect and represents an advantageous implementation of the invention in an electric motor vehicle, that is, an electric or hybrid vehicle.
  • control units can be determined both by means of a computer program, i. software, as well as by means of one or more special electrical circuits, i. in hardware or in any hybrid form, i. using software components and hardware components.
  • Figure 1 shows an embodiment of a system according to the invention, in which a plurality of submodules is connected in parallel via a double ring structure.
  • Figure 2 shows an embodiment of a system according to the invention, in which a plurality of submodules is connected in series via a double ring structure.
  • FIG. 3 shows a further exemplary embodiment of a system according to the invention, in which a plurality of submodules is connected in series via a double ring structure.
  • FIG. 1 shows an exemplary embodiment of a system 100 according to the invention, in which a plurality of submodules 110 are connected in parallel via a double ring structure 120, 121.
  • the system 100 has a plurality of submodules 110.
  • Each submodule 110 serves to feed a phase of the electric machine in a motor vehicle with electric drive, and has a power section 112 and a control unit 114.
  • the power part 112 has two switching elements (MOSFETs, IGBTs or the like), a driver 113 and a capacitor.
  • the driver 113 controls the switching elements and the capacitor stores and supplies an appropriate voltage to the corresponding winding or phase of the machine.
  • the power sections 113 are connected in series and thus share the voltage provided by a high-voltage battery 130.
  • each half of submodules 110 may be loaded to provide twice the sub-voltage for each submodule 110 as compared to simultaneously loading all submodules 110.
  • the control unit 114 in each submodule 110 has a Con troller ⁇ 116 and data communication interface 118 and the 119th
  • the interfaces 118 and 119 may be, for example, optical coupling elements. Alternatively, the interfaces may be electrical or magnetic coupling elements.
  • a first data communication line 120 passes through the interfaces 118 through the control unit 114 of each submodule 110 and forms a first closed ring.
  • a second data communication line 121 passes through the interfaces 118 through the control unit 114 of each submodule 110 and forms a second closed ring.
  • the two data communication lines 120, 121 thus form a double-ring structure.
  • the control unit 116 in each submodule 110 is connected to each of the data communication lines 120, 121.
  • All submodules 110 in this embodiment are coupled in parallel to the two data communication lines 120, 121.
  • Two submodules 110 (in the illustration submodule A and submodule X) are connected via interfaces 119 and main data communication lines 150, 151, 152, 153 to a central control unit 140.
  • the central control unit 140 has a controller 142 and interfaces 144, and serves to control and monitor the system 100.
  • the connection between the central control unit 140 and submodule A has a first main data communication line 150 and a second main data communication line 151
  • the connection between the central control unit 140 and submodule X has a first main data communication line 152 and a second main data communication line 153 .
  • Submodules 110 further include temperature sensors (not shown), current sensors, and voltage sensors. The corresponding measurement data from each submodule 110 are made available to all other submodules 110 and the central control unit 140 via the two data communication lines.
  • FIG. 2 shows an exemplary embodiment of a system 200 according to the invention, in which a plurality of submodules 210 are connected in series via a double ring structure 222, 223.
  • the system 200 is in many ways identical to the system 100 described above, and only the differences will be described below to avoid redundant repetition.
  • the system 200 differs from the system 100 by the
  • the submodules 210 in this embodiment are serially connected by the first data communication line 222 and the second data communication line 223.
  • FIG. 3 shows a further embodiment of an OF INVENTION ⁇ to the invention system 300 in which a plurality of sub-modules 310 via a double ring structure 324, 325 connected in series.
  • System 300 differs from system 200 only in that the central control unit 340 is coupled between A and submodule submodule X and thus directly in the double ring ⁇ structure 324, 325 is integrated with.
  • the control units 315 ⁇ of the submodules 310 consequently have no interface which corresponds to the interface 219 in the system 200.
  • the inventive systems 100, 200 and 300 presented above are flexible and robust communication systems that enable direct data communication between submodules 110, 210, 310 and provide high reliability or error robustness.
  • the system according to the invention can use the direct data communication between submodules to relieve the central control unit and to distribute various functions to the submodules.
  • the double ring structure ensures that the system can continue working even if a submodule or ring fails. Data integrity is maintained and all data (for example, setpoints and actual values) is available to all submodules and the central control unit simultaneously (in real time).
  • control unit 315 control unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un système (100) de commande d'un moteur électrique dans un véhicule automobile. Le système comprend : a) une pluralité de sous-modules (110) qui sont chacun mis au point pour alimenter une partie du moteur électrique et comprennent chacun une interface (118, 119) de communication de données; b) une première structure de communication de données; et (c) une deuxième structure de communication de données. Aussi bien la première que la deuxième structure de communication de données sont en liaison avec les interfaces (118, 119) de la pluralité de sous-modules (110) de manière telle qu'elles forment chacune une boucle fermée. L'invention concerne en outre une commande de moteur.
PCT/EP2015/067470 2014-08-26 2015-07-30 Système de communication pour véhicule automobile comportant un entraînement électrique Ceased WO2016030120A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014216993.3 2014-08-26
DE102014216993.3A DE102014216993A1 (de) 2014-08-26 2014-08-26 Kommunikationssystem für Kraftfahrzeug mit Elektroantrieb

Publications (1)

Publication Number Publication Date
WO2016030120A1 true WO2016030120A1 (fr) 2016-03-03

Family

ID=53800964

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/067470 Ceased WO2016030120A1 (fr) 2014-08-26 2015-07-30 Système de communication pour véhicule automobile comportant un entraînement électrique

Country Status (2)

Country Link
DE (1) DE102014216993A1 (fr)
WO (1) WO2016030120A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019122109A1 (de) * 2019-08-16 2021-02-18 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Verfahren für den Betrieb eines Kraftfahrzeugschließsystems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011083473A1 (de) * 2011-09-27 2013-03-28 Robert Bosch Gmbh Kommunikationsschnittstelle zur Systemüberwachung der Energieversorgung in Elektro- und Hybridfahrzeugen
WO2013186154A1 (fr) * 2012-06-14 2013-12-19 Continental Automotive Gmbh Réseau en anneau pour véhicule
WO2014089613A1 (fr) * 2012-12-10 2014-06-19 Axiflux Holdings Pty Ltd Moteur électrique/génératrice avec un différentiel intégré

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011081720A1 (de) * 2011-08-29 2013-02-28 Robert Bosch Gmbh Wandlerschaltung und Verfahren zum Übertragen von elektrischer Energie
DE102012016654A1 (de) * 2012-08-24 2014-02-27 Haver & Boecker Ohg Füllmaschine und Verfahren zum Betreiben einer Füllmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011083473A1 (de) * 2011-09-27 2013-03-28 Robert Bosch Gmbh Kommunikationsschnittstelle zur Systemüberwachung der Energieversorgung in Elektro- und Hybridfahrzeugen
WO2013186154A1 (fr) * 2012-06-14 2013-12-19 Continental Automotive Gmbh Réseau en anneau pour véhicule
WO2014089613A1 (fr) * 2012-12-10 2014-06-19 Axiflux Holdings Pty Ltd Moteur électrique/génératrice avec un différentiel intégré

Also Published As

Publication number Publication date
DE102014216993A1 (de) 2016-03-03

Similar Documents

Publication Publication Date Title
DE102019201382A1 (de) Vorrichtung und verfahren zum steuern eines fahrzeugs auf dergrundlage von redundanter architektur
DE102012023350B4 (de) Systeme, Schaltungen und ein Verfahren zum Erzeugen einer konfigurierbaren Rückmeldung
EP0275992A2 (fr) Parc machine avec plusieurs mobiles
DE112017001344T5 (de) Motorsteuerungsvorrichtung
EP3249415B1 (fr) Dispositif de carte de points de mesure pour un banc d'essai incluant la localisation de défauts
EP3149710B1 (fr) Appareil pour diagnostiquer une véhicule et appareil de communication de données
DE112014002675T5 (de) Optimierte Spannungsversorgungsarchitektur
DE102010061566B4 (de) Universalschnittstellenkanal-Prüfschaltung und -system
DE102016220197A1 (de) Verfahren zum Verarbeiten von Daten für ein automatisiertes Fahrzeug
DE102018218103A1 (de) Elektrische servolenkvorrichtung mit erhöhter anzahl von sensorsignalen, um die sicherheit zu erhöhen
DE102013209142A1 (de) Verfahren zur Ermittlung eines Isolationswiderstands eines mehrere Teilnetze umfassenden Energieversorgungsnetzwerks eines Fahrzeugs
DE102017123615A1 (de) Konfigurierbares Sicherheitsmodul zur Erfassung digitaler oder analoger Eingangs- oder Ausgangssignale
DE112017008152T5 (de) Motorsteuerung
DE102018215296A1 (de) Verfahren und Vorrichtung für betriebssicheres elektrisches Servolenken
EP3109999A2 (fr) Procede et dispositif de determination d'une grandeur physique d'une machine synchrone multiphasee
DE102011117248A1 (de) Verfahren und Vorrichtung zur Überwachung von Komponenten eines Fahrzeugs
EP2786162B1 (fr) Procédé de détection d'une erreur dans des lignes de connexion entre une unité centrale et une multiplicité d'unités électroniques indépendantes l'une de l'autre
DE102020201807A1 (de) Emulatorvorrichtung für einen Prüfstand zur elektrischen Nachbildung eines Elektromotors
DE102012209144A1 (de) Verfahren zur Überführung eines elektrischen Antriebsystems in einen sicheren Zustand und Anordnung zur Durchführung des Verfahrens
DE10127054A1 (de) Verfahren zur Überwachung einer Spannungsversorgung eines Steuergeräts in einem Kraftfahrzeug
DE102016203974A1 (de) Verfahren und Vorrichtung zum Versorgen einer Einrichtung mit elektrischer Energie
WO2016030120A1 (fr) Système de communication pour véhicule automobile comportant un entraînement électrique
EP2237118B1 (fr) Système de sécurité destiné à sécuriser la commande protégée contre l'erreur d'installations électriques et commande de sécurité équipée de celui-ci
DE102017209991A1 (de) Elektronische kommutierte elektrische Maschine sowie Motorsystem
DE112017003178T5 (de) Elektronische Steuervorrichtung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15748210

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15748210

Country of ref document: EP

Kind code of ref document: A1