WO2005105527A1 - Steuereinrichtung und verfahren zur steuerung von datenbuseinrichtungen - Google Patents
Steuereinrichtung und verfahren zur steuerung von datenbuseinrichtungen Download PDFInfo
- Publication number
- WO2005105527A1 WO2005105527A1 PCT/EP2005/050734 EP2005050734W WO2005105527A1 WO 2005105527 A1 WO2005105527 A1 WO 2005105527A1 EP 2005050734 W EP2005050734 W EP 2005050734W WO 2005105527 A1 WO2005105527 A1 WO 2005105527A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data bus
- devices
- control
- sgi
- operating state
- Prior art date
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]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
-
- 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]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
Definitions
- the invention relates to a method for controlling data bus devices in technical systems with distributed communication and or control devices which are coupled to one another via a data bus.
- the invention further relates to a control device for data bus devices in technical systems with distributed communication and / or control devices which are coupled to one another via a data bus.
- Data bus devices are well known, for example, as CAN buses in industrial plants or motor vehicles or the like.
- a problem in complex systems is the possibly high utilization of the data bus.
- JP 11163907 A it is known to reduce the bus occupancy rate of a data bus in motor vehicles by ascertaining changes in data and transmitting an update bit. It is an object of the invention to provide an improved control device and an improved driving method for controlling data bus directions with distributed communication and or control devices which are coupled to one another via a data bus.
- the tasks are solved with the generic ner driving according to the invention in that the occupancy of the data bus is determined by individual communication and / or control devices as a function of the operating state of the system.
- control device is designed to determine the occupancy of the data bus by individual communication and / or control devices depending on the operating state of the system.
- the solution according to the invention significantly reduces the data bus load, in particular in highly complex systems such as motor vehicles, without the safety of the system being impaired.
- the solution according to the invention can be used above all for data bus devices in motor vehicles, the data bus being assigned as a function of the operating state of the motor vehicle, such as the speed, for example.
- a control unit for a convertible top can be uncoupled from the message transmission as soon as the motor vehicle is moving. The operation of the convertible top is no longer permitted and it is locked. The message room that is released can then be used for other signal transmissions.
- communication and / or control devices not only load a data bus when they send out useful data. None do so regularly Inquiries via the data bus, for example to ensure whether a communication and / or control device can still be reached.
- Figure 1 sketch of a motor vehicle with a plurality of distributed communication and control devices which are coupled to one another via a data bus.
- FIG. 1 shows a sketch of a motor vehicle 1 with a large number of
- Communication and control devices SGi with i 1 ... N, which are connected to a data bus 2 and are networked with them.
- Communication and or control devices SGi are, for example, anti-lock braking systems controls, airbag controls, folding roof controls for convertibles etc.
- Such a data bus device can have a central control device. However, this can be implemented in the correction and / or control devices in SGi.
- the control device is designed, for example, by suitable programming of a microcontroller in such a way that it detects operating states of the motor vehicle 1, such as the speed, the number of occupants and occupancy of individual seats (e.g. for airbag control), etc., and as a function of them determined operating states the assignment of the data bus 2 by individual communication and / or control devices SGi.
Landscapes
- Small-Scale Networks (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410021301 DE102004021301A1 (de) | 2004-04-29 | 2004-04-29 | Steuereinrichtung und Verfahren zur Steuerung von Datenbuseinrichtungen |
DE102004021301.1 | 2004-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005105527A1 true WO2005105527A1 (de) | 2005-11-10 |
Family
ID=34960859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/050734 WO2005105527A1 (de) | 2004-04-29 | 2005-02-21 | Steuereinrichtung und verfahren zur steuerung von datenbuseinrichtungen |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004021301A1 (de) |
WO (1) | WO2005105527A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009013051A1 (de) | 2007-07-23 | 2009-01-29 | Robert Bosch Gmbh | Verfahren zur dynamischen anpassung des kommunikationsverhaltens einer kommunikationsinfrastruktur in einem kraftfahrzeug sowie system hierzu |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4654890A (en) * | 1984-09-05 | 1987-03-31 | Hitachi, Ltd. | Multiplex communication system |
US5343470A (en) * | 1990-09-13 | 1994-08-30 | Mazda Motor Corporation | Multiplex transmission system |
DE19757335A1 (de) * | 1997-12-22 | 1999-07-01 | Siemens Ag | Schaltungsanordnung und Verfahren zum Übertragen von Daten über Datenleitungen |
DE10118300A1 (de) * | 2001-04-12 | 2002-11-07 | Conti Temic Microelectronic | Verfahren zum Betreiben von elektronischen Steuereinrichtungen in einem Kraftfahrzeug |
-
2004
- 2004-04-29 DE DE200410021301 patent/DE102004021301A1/de not_active Withdrawn
-
2005
- 2005-02-21 WO PCT/EP2005/050734 patent/WO2005105527A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4654890A (en) * | 1984-09-05 | 1987-03-31 | Hitachi, Ltd. | Multiplex communication system |
US5343470A (en) * | 1990-09-13 | 1994-08-30 | Mazda Motor Corporation | Multiplex transmission system |
DE19757335A1 (de) * | 1997-12-22 | 1999-07-01 | Siemens Ag | Schaltungsanordnung und Verfahren zum Übertragen von Daten über Datenleitungen |
DE10118300A1 (de) * | 2001-04-12 | 2002-11-07 | Conti Temic Microelectronic | Verfahren zum Betreiben von elektronischen Steuereinrichtungen in einem Kraftfahrzeug |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009013051A1 (de) | 2007-07-23 | 2009-01-29 | Robert Bosch Gmbh | Verfahren zur dynamischen anpassung des kommunikationsverhaltens einer kommunikationsinfrastruktur in einem kraftfahrzeug sowie system hierzu |
Also Published As
Publication number | Publication date |
---|---|
DE102004021301A1 (de) | 2005-11-24 |
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