Robert Boschgmbh

Texas Instruments Corporation

Carsten Gebauer

Bernd Mueller

Florian Hartwich

Markus Schweizer

Thomas Heinz

Jochen Ulrich Haenger

Thomas Fuehrer

Robert Hugel

Dieter Thoss

Harald Tschentscher

Josef Berwanger

Anton Schedl

Ralf Belschner

Rakshith Amarnath

Christian Lasarczyk

Matthias Kuehlewein

Arthur Mutter

Ulrich Kersken

Christian Horst

Thomas Hogenmueller

Thorsten Huck

Volker Blaschke

Wolfgang Niem

Peter Sautter

Roland Schleser

Gotthilf Koerner

Armin Ruehle

Alexandre Pierre Palus

Klaus-Peter Mattern

Stefan Doehren

Benjamin Glas

Bernd Stoehr

Markus Ferch

Peter Lohrmann

Achim Schaefer

Manfred Spraul

Helmut Binder

Mikkel Liisberg

Berthold Fehrenbacher

Michael Ebert

Heinz Tilsner

Tuelin Baysal

Charles Ming-Fong Tsai

Axel Breitmaier

Claus Ritter

Hoi-Man Low

Venkata Kishore Gadde

Christine Rossa

Roy M Haley

Peter Wegner

Peter Lohrman

Thomas Kahnert

Andreas Frey

Stefan Kriso

Andreas Heyl

Christian Wenzel-Benner

An error detection test device for a subscriber station of a serial bus system. The error detection test device has an evaluation module for evaluating which bit of a signal must be interrupted so that the receivers of the resulting signal in which the at least one bit is interrupted can check the function of an error detection mechanism, the signal being processed by a protocol control unit while the subscriber station is in operation in order to be able to be transmitted as a frame onto a bus of the bus system or, after a frame has been received from the bus, to decode the signal from the frame, and an output terminal for outputting a switching signal to the protocol control unit to interrupt the at least one bit. The evaluation module generates the switching signal based on the at least one bit evaluated by the evaluation module.

Error detection test device for a subscriber station of a serial bus system and method for testing mechanisms for detecting errors in a communication in a serial bus system

A method for generating an output data stream from an input data stream, a processing unit receives a first input data stream including a first data set, and this processing unit receives, from a further processing unit, a second set of metadata, which describes a second data set of a second input data stream of this further processing unit, the processing unit outputs or does not output, as a function of the second set of metadata, an output data set of the output data stream generated from the first data set.

Method and device for generating an output data stream

A method for protecting data integrity through an embedded system having a main processor core and a security hardware module. The method includes the following: the main processor core generates transmit data, the security hardware module calculates a transmit message authentication code from the transmit data, the main processor core links the transmit data and the transmit message authentication code to form a transmit message, and the main processor core transmits the transmit message to a receiver.

Method and device for the protection of data integrity through an embedded system having a main processor core and a security hardware module

A method for the coexistence of software having different safety levels in a multicore processor which has at least two processor cores (). A memory range () is associated with each processor core () and a plurality of software (SW, SW) is processed on one of the processor cores () having a predefined safety level. The plurality of software (SW, SW) is processed having a predefined safety level only on the processor core () with which the same safety level is associated, in which during the processing of the plurality of software (SW, SW), the processor core () accesses only the protected memory range () which is permanently associated with this processor core ().

Method for the coexistence of software having different safety levels in a multicore processor system

A coupling device for coupling a software component, which transmits a setting command for setting an actuator on a control system of a motor vehicle, to the control system, the coupling device including a monitoring unit, which is designed to carry out an assessment for each setting command as to whether its implementation will transfer the motor vehicle into a dangerous state, the coupling device being further designed to transmit, as a function of this assessment, a monitored setting command corresponding to the setting command to an implementation unit, the implementation unit being designed to control the actuator.

Device for the reliable integration of a software component into a motor vehicle

A communication module for controlling a motor vehicle, which is configured for receiving vehicle-independent commands and converting these received commands into a target trajectory of the motor vehicle, and transmitting this target trajectory to an implementation module which is configured for associating a sequence of control commands for components of the motor vehicle with this transmitted target trajectory.

Device for controlling a motor vehicle

A system with a first computer unit and with a second computer unit, wherein the first computer unit comprises a first interface to enable connection to at least one sensor and to at least one actuator, wherein the second computer unit comprises a second interface to enable connection to at least one sensor and to at least one actuator, wherein the first and the second computer units can be connected to each other by means of a further interface, wherein the actuator comprises an interface, wherein depending on the first or on the second operating state the interface determines whether a control command for a driving function is adopted by the first or the second computer unit, so that in the first operating state only the first computer unit can activate the actuator and in a second operating state only the second computer unit can activate the actuator.

Fail-safe EE architecture for automated driving

A method is described for monitoring a data memory in which an error detection method is used to detect and/or correct incorrect data words stored in memory lines of the data memory, an address of the data memory at which a data word evaluated as incorrect by the error detection method is stored being written to an auxiliary memory and being made available to a checking program.

Method for monitoring a data memory

A memory protection unit includes at least a first access control unit and a second access control unit programmed for controlling an access to a memory device. Further a method to operate a processing system comprising multiple processing devices and multiple memory protection units associated to the multiple processing devices. The access to the memory by a processing device is approved if first access control unit and second access control unit of the memory protection associated to the processing device approves the access and access is rejected if first access control unit or second access control unit rejects the access. The first access control unit is programmable by the associated processing device alone and the programming of the second access control unit is readable by an additional processing device which is to be used in a system with multiple programming devices, not the associate processing device.

Memory protection unit and method for controlling an access to memory device

In a method for operating a communication system having a plurality of nodes which have access to a shared channel, a transmission process for transmitting a message via the channel is monitored for bit errors, and when a bit error occurs, a signaling message is transmitted via the channel in order to signal the bit error. In order to allow communications processes between the nodes to be controlled as a function of a bit error rate of the channel, a signaling rate of the signaling messages is measured and a bit error rate of the channel is determined as a function of the signaling rate.

Method for operating a communication system having a plurality of nodes, and a communication system therefor

A cyclical time-based communication system, for the transmission of data (DATA) between users, comprising a databus and users connected thereto. The data transmission occurs within cyclical repeating timeframes, each with at least two timeslots. Each timeslot is provided for the transmission of a message (Ni). A message (Ni) comprises at least part of the data (DATA) and each message (Ni) is provided with a code (ID). The bandwidth available for data transmission may be better utilized, if the code (ID) is placed within the message (Ni), each message (Ni) is additionally provided with time information concerning the timeslot which may be extracted from the code, and at least one of the timeslots may be used for transmission of various messages in various cycles. In a preferred embodiment the information relating to the current cycle comprises an ordinal number. In the simplest case the number has two values 0 and 1.

Cyclical time-based communication system, user in such a system and transmission method

In order to detect a faulty error correcting unit () in an embedded system, wherein the error correcting unit () receives output data from a data source () and determines, whether the received data are incorrect, and wherein if the received data are incorrect, the error correcting unit () is expected to correct at least one error within the received data, output the corrected data and manipulate an error vector (), a method and a system (Ia) are suggested that enable to compare the output data of the error correcting unit () with at least one reference data, wherein the at least one reference data originate at least indirectly from the data source (). Both, the error vector () and the result of the comparison are input to a plausibility test in order to decide, whether the error correcting unit () is faulty. According to the result of the plausibility test, a failure vector () is manipulated in order to indicate whether a failure in the error correcting unit () is detected.

Method and system for detecting a failure in an error correcting unit

A method for testing a memory and a control device having means for a memory test. A destination address of the memory is selected in the process, dependent addresses of the memory are determined from the destination address, and user data at the destination address and the dependent addresses are backed up. Furthermore, the destination address and the dependent addresses are described by test patterns, via which a signature is formed. The backed-up user data of the destination address and the dependent addresses are then restored. Finally, the determined signature is compared with the known setpoint value. In the event of a deviation between the signature and the setpoint value, suitable protective mechanisms are initiated.

Method for testing a memory device, as well as a control device having means for testing a memory

The invention relates to a cyclical time-based communication system, for the transmission of useful data (DATA) between users of the system, which comprises a databus and users connected thereto. The data transmission occurs within cyclical repeating timeframes, each with at least two timeslots. Each timeslot is provided for the transmission of a message (Ni). A message (Ni) comprises at least part of the useful data (DATA) and each message (Ni) is provided with a code (ID). The bandwidth available for data transmission may be better utilized, if the code (ID) is placed within the message (Ni) as a part thereof, each message (Ni) is additionally provided with time information concerning the timeslot which may be extracted from the code and at least one of the timeslots within the timeframes may be used for transmission of various messages in various cycles. In a preferred embodiment the information relating to the current cycle comprises an ordinal number for the cycle. In the simplest case the number has two values 0 and 1. Even and odd cycles can thus be differentiated. The ordinal number may be increased to differentiate more cycles from each other. The transmission method is preferably based on the FlexRay protocol.

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Boeblingen, Germany

Carsten Gebauer