摘要:
A method for checking a microprocessor for correct operation, the microprocessor having a plurality of gates, each having a plurality of transistors, in which during the intended running of a computer program on the microprocessor a self-test is cyclically executed, and as part of the self-test, gates in the microprocessor are checked for correct operation. In order to check the microprocessor for correct operation in such a way that the functional check is able to detect at an early stage such errors which occur only during the intended operation of the microprocessor, and to the extent possible not to make use of models of the open-loop or closed-loop control algorithms, at least those gates of the microprocessor whose state has an impact on the intended running of the computer program on the microprocessor are checked during one run of the self-test.
摘要:
A method for checking a microprocessor for correct operation, the microprocessor having a plurality of gates, each having a plurality of transistors, in which during the intended running of a computer program on the microprocessor a self-test is cyclically executed, and as part of the self-test, gates in the microprocessor are checked for correct operation. In order to check the microprocessor for correct operation in such a way that the functional check is able to detect at an early stage such errors which occur only during the intended operation of the microprocessor, and to the extent possible not to make use of models of the open-loop or closed-loop control algorithms, at least those gates of the microprocessor whose state has an impact on the intended running of the computer program on the microprocessor are checked during one run of the self-test.
摘要:
A method providing assistance during the parking maneuver of a vehicle into a parking space situated laterally to the vehicle to be parked, an erroneous length of the parking space being detected with the aid of a sensor system of the vehicle while the vehicle drives past the parking space on a curved trajectory. To determine the actual length of the parking space, a trajectory of the vehicle differing from a straight trajectory of the vehicle is additionally detected while driving past the parking space, for example, on the basis of the steering angle of the vehicle, and a correction value for the detected length of the parking space is ascertained therefrom. The actual length of the parking space is determined with a high degree of accuracy without the need for other measured values to be detected, for example, the orientation of parked vehicles or the depth of the parking space.
摘要:
A method providing assistance during the parking maneuver of a vehicle into a parking space situated laterally to the vehicle to be parked, an erroneous length of the parking space being detected with the aid of a sensor system of the vehicle while the vehicle drives past the parking space on a curved trajectory. To determine the actual length of the parking space, a trajectory of the vehicle differing from a straight trajectory of the vehicle is additionally detected while driving past the parking space, for example, on the basis of the steering angle of the vehicle, and a correction value for the detected length of the parking space is ascertained therefrom. The actual length of the parking space is determined with a high degree of accuracy without the need for other measured values to be detected, for example, the orientation of parked vehicles or the depth of the parking space.
摘要:
A sensor transmitter device for transmitting the payload data of a sensor to a bus control device is described, the sensor transmitter device being connectable to a data bus of a vehicle, which is configured for simultaneous transmission of bus data packets between a plurality of sensor transmitter devices and a bus control device. The bus data packets should include at least one signaling field and one payload data field having a plurality of payload data blocks. The sensor transmitter device includes a sensor interface for receiving payload data which represent a physical variable and a memory which is configured for storing position information which identifies at least one payload data block from the payload data field, which is reserved exclusively for the transmission of payload data from the sensor transmitter device to the bus control device. The sensor transmitter device also includes a bus interface which is configured for placing, after receiving predetermined signaling data in the signaling field, at least part of the payload data received via the sensor interface in the payload data block specified by the position information.
摘要:
In a method for operating a parking aid system for a vehicle having a plurality of distance sensors each sensing the near range of the vehicle, and having at least one path sensor sensing a path traveled by the vehicle, the distance sensors are operable in a first mode for the parking space measurement, and the distance sensors are operable in at least one further mode in which they are used as parking aid in order to avoid collisions. The distance sensors are temporally activated using different transmit sequences in the two modes, a switchover between the different transmit sequences being implemented as a function of the movement of the vehicle.