WO2017148719A1 - Système de direction électrique tolérant une seule erreur - Google Patents

Système de direction électrique tolérant une seule erreur Download PDF

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Publication number
WO2017148719A1
WO2017148719A1 PCT/EP2017/053726 EP2017053726W WO2017148719A1 WO 2017148719 A1 WO2017148719 A1 WO 2017148719A1 EP 2017053726 W EP2017053726 W EP 2017053726W WO 2017148719 A1 WO2017148719 A1 WO 2017148719A1
Authority
WO
WIPO (PCT)
Prior art keywords
phases
control
control module
fault
output stage
Prior art date
Application number
PCT/EP2017/053726
Other languages
German (de)
English (en)
Inventor
Markus Weber
Original Assignee
Robert Bosch Automotive Steering 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 Automotive Steering Gmbh filed Critical Robert Bosch Automotive Steering Gmbh
Publication of WO2017148719A1 publication Critical patent/WO2017148719A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/22—Multiple windings; Windings for more than three phases
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions

Definitions

  • the present invention relates to a device for controlling a
  • Electric motor of a steering system and a steering of a vehicle Electric motor of a steering system and a steering of a vehicle.
  • Highly automated driving means that a vehicle can be safely guided without a human driver.
  • the prerequisite for this is that even in an accident the vehicle can be safely guided or brought to a safe state.
  • An object is therefore to provide a device that allows a steering for a vehicle for highly automated driving, whereby the space required thereby can be kept small.
  • a device for controlling an electric motor of a steering system comprising: first phases and two phases, wherein the device comprises a first output stage and a first control block and a second output stage and a second control block, wherein the first output stage and the first control module for driving the first phases and the second output stage and the second control module for controlling the second phases are provided.
  • a steering system of a vehicle comprising a device according to one of the preceding claims.
  • a device comprising a first voltage supply and a second voltage supply, the first voltage supply for the first control module and the second voltage supply for the second control module being provided.
  • Redundant power supplies of the control blocks can further increase redundancy.
  • a device is provided, wherein the device has a first control channel for the transmission of control signals and a second control channel for the transmission of
  • the first control channel is provided for the first control block and the second control channel for the second control block.
  • Separate control channels for information transmission can increase the redundancy of the device according to the invention.
  • a device wherein the control device is a microcontroller or a microcomputer.
  • the device is provided, the device being suitable for highly automated driving.
  • a device wherein the electric motor has first phases and / or second phases and / or third phases and / or fourth phases and / or fifth phases and / or an arbitrary number of phases.
  • Fig. 2 is a control of a 6-phase electric motor of a steering system of a vehicle, which is suitable for highly automated driving, and
  • Fig. 3 shows an alternative embodiment of a control of a 6-phase
  • Electric motor of a steering system of a vehicle which is suitable for highly automated driving.
  • Fig. 1 shows a control of a 3-phase electric motor of a steering system with a microcontroller 1, through a channel 5 with electrical energy and
  • Control signals is supplied.
  • the microcontroller 1 generates control signals which are necessary for the proper functioning of the output stage 2. If a fault occurs, the phases U, V, W of the 3-phase motor 4 can be released by disconnector 3. As a result, a steering ability of the vehicle can be obtained. However, in this case, the vehicle must be steered without the steering assistance of the engine 4.
  • FIG. 2 shows the activation of a 6-phase electric motor 12.
  • 3 associated phases U1, VI, W1 and U2, V2, W2 can be activated by separate drive trains.
  • the first 3 phases Ul, VI, Wl of the motor 12 are driven by a first microcontroller 6 and a first output stage 8.
  • the engine 12 can be unlocked by a circuit breaker 10. If there is a fault in the first drive line, the first microcontroller 6 and the first output stage 8 can be disconnected from the motor 12 by the circuit breaker 10. So that a steering assistance can be provided by the engine 12 in case of failure, the engine 12 by a second
  • the MikrocontroUer 7 and a second output stage 9 driven.
  • the second phases U2, V2, W2 of the motor 12 can be enabled by the circuit breaker 11.
  • the MikrocontroUer 6 and 7 are powered by a common channel 13 with electrical energy and control signals.
  • the embodiment is suitable for highly automated driving, as a fault-tolerant behavior of the steering assistance is ensured due to the redundant training.
  • fault tolerant behavior can be achieved.
  • Important here is the redundant control of at least two triplets of phases of an electric motor. Occurs in a drive circuit or a group of three phases of a fault, this drive circuit can be enabled by a circuit breaker and another triplet of phases is controlled by a further drive circuit. A fault tolerant behavior is enabled, with a
  • Fig. 3 shows an alternative embodiment of the fault-tolerant steering assistance, wherein the MikrocontroUer 6 and 7 are supplied by separately shaped channels 14, 15 with electrical energy and control signals. Due to the redundant design of the control and / or power supply of MikrocontroUer 6, 7, the fault-tolerant behavior of the steering assistance can be further improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

L'invention concerne un dispositif de commande d'un moteur électrique (12) d'un système de direction comprenant : des premières phases (U1, V1, W1) et des deuxièmes phases (U2, V2, W2), le dispositif comportant un premier étage de sortie (8) et un premier module de commande (6) et un deuxième étage de sortie (9) et un deuxième module de commande (7). Le premier étage de sortie (8) et le premier module de commande (6) sont destinés à commander les premières phases (U1, V1, W1) et le deuxième étage de sortie (9) et le deuxième module de commande (7) sont destinés à commander les deuxièmes phases (U2, V2, W2).
PCT/EP2017/053726 2016-03-01 2017-02-20 Système de direction électrique tolérant une seule erreur WO2017148719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016103601.3A DE102016103601A1 (de) 2016-03-01 2016-03-01 Einzelfehlertolerantes elektrisches lenksystem
DE102016103601.3 2016-03-01

Publications (1)

Publication Number Publication Date
WO2017148719A1 true WO2017148719A1 (fr) 2017-09-08

Family

ID=58057149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/053726 WO2017148719A1 (fr) 2016-03-01 2017-02-20 Système de direction électrique tolérant une seule erreur

Country Status (2)

Country Link
DE (1) DE102016103601A1 (fr)
WO (1) WO2017148719A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017219816B4 (de) 2017-11-08 2022-12-08 Volkswagen Aktiengesellschaft Elektromechanisches Lenkantriebssystem zum Bereitstellen einer Lenkunterstützung für ein Lenksystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061528A1 (de) * 2009-12-25 2011-06-30 DENSO CORPORATION, Aichi-pref. Motorantriebsvorrichtung und dieselbe verwendende elektrische Servo-Lenkvorrichtung
US20140222292A1 (en) * 2013-02-06 2014-08-07 Steering Solutions Ip Holding Corporation Vehicle electric power steering control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101006A1 (de) * 2012-02-08 2013-08-08 Zf Lenksysteme Gmbh Elektromechanische servolenkung geeignet für notlaufbetrieb
JP5904181B2 (ja) * 2013-09-20 2016-04-13 株式会社デンソー モータ制御装置
JP2016032977A (ja) * 2014-07-31 2016-03-10 株式会社デンソー 電動パワーステアリングシステムおよび車両制御システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061528A1 (de) * 2009-12-25 2011-06-30 DENSO CORPORATION, Aichi-pref. Motorantriebsvorrichtung und dieselbe verwendende elektrische Servo-Lenkvorrichtung
US20140222292A1 (en) * 2013-02-06 2014-08-07 Steering Solutions Ip Holding Corporation Vehicle electric power steering control system

Also Published As

Publication number Publication date
DE102016103601A1 (de) 2017-09-07

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