摘要:
A device and method for switching over in a computer system having at least two execution units are provided, in which switchover units are included which are designed in such a way that they switch between at least two operating modes, a first operating mode corresponding to a comparison mode and a second operating mode corresponding to a performance mode. A programmable interrupt controller is assigned to each execution unit, and a storage element is included, in which information is stored that describes at least parts of a configuration of at least one of these interrupt controllers.
摘要:
A method for rebooting a system having a plurality of execution units in a safe operating mode; after receiving a request signal, the signals delivered by the execution units are compared with one another as a function of a comparison operation to detect a signal deviation.
摘要:
A method for error detection in a cache memory for storing data, the access to the data stored in the cache memory taking place by addresses assigned to them, wherein for the addresses assigned to the stored data, at least one first test signature made up of at least one first signature bit is generated and also stored in the cache memory.
摘要:
A method of and a device for operating a decentralized control system, at least two control units are provided to control at least one actuating element each. In this control, different operating modes are to be differentiated, the selection of the respective operating mode of the individual control unit is made by the at least two control units on the basis of at least one status signal.
摘要:
A system for controlling and/or regulating operational sequences in a motor vehicle having several equal-access control units for controlling and/or regulating certain functions in the motor vehicle. Control units each have a volatile memory, and a nonvolatile memory in which a loading routine is included. They are connected to one another via a time-controlled communications system. In order to create a safe and reliable activation of a system, it is proposed that at least one of the control units has a central memory, in which data required for the time-controlled communication are stored for all control units; one of the control units acts as temporary master control unit during an activating process of the system; during the activating process, the master control unit coordinates logging on of the remaining control units to the communications system, in particular transmission of the data from the central memory to the remaining control units via the communications system; and the master control unit ends the temporary master function upon the expiration of a predefinable time period or at termination of the activating process.
摘要:
An electrically controlled, decentralized control system in a vehicle includes at least two energy sources which are independent of one another and at least two control units. In addition, at least one high-current load is allocated to each control unit. The high-current load is permanently allocated to one of the energy sources, while the control units are selectively switchable to the one or the other energy source.
摘要:
The system includes a central memory, in which all programs necessary for controlling/regulating the operational sequences of a vehicle are stored. At the start of the system, the control units load the needed programs into their working memory via indirect memory access. The method provides that, after the system is switched on, the units first identify themselves. After that, by means of the loading programs, the programs are loaded from the central memory into the working memory of each control unit via indirect memory access.
摘要:
The invention describes an apparatus and method for determining at least one wheel slip of a vehicle and at least one of a pitch angle, a road angle, a roll angle for use in at least one vehicle control system. The method and apparatus are characterized in that at least three deflection displacements are determined, and then at least one wheel slip of the vehicle and at least one of the pitch angle, the road angle, the roll angle of the vehicle are determined based on the at least three deflection displacements. The wheel slip(s) of the vehicle and at least one of the pitch angle, the road angle, and the roll angle of the vehicle may be provided or otherwise made available to the at least one vehicle control system.
摘要:
A sensor device for a pedal which is set up to determine at least one actuating variable regarding an operation of the pedal by a user of a device which is actuable by means of the pedal, and to output information corresponding to the at least one determined actuating variable, the sensor device additionally being set up to determine as the at least one actuating variable, at least one variable regarding a position and/or a change in position of an input rod disposed on the pedal, which is able to be set into at least a rotary motion by operating the pedal, in relation to a specified spatial direction. Furthermore, a method for providing information regarding an operation of a pedal is described.
摘要:
A brake system includes: a brake actuating element; a first piston-cylinder unit having a first piston displaceable by the brake actuating element actuated by at least a predefined minimum actuation such that a first internal pressure in the first piston-cylinder unit is increased; at least one wheel brake cylinder having a brake pressure which is increased using the increased first internal pressure; a first brake booster; and a second piston-cylinder unit having a second piston displaceable by the first brake booster so that a second internal pressure in the second piston-cylinder unit is increased, and to which the at least one wheel brake cylinder is hydraulically connected such that the brake pressure of the at least one wheel brake cylinder is increased by the increased second internal pressure.