Vitesco Technologies Gmbh

Continental Automotive Gmbh

Continental Automotive France

Yannick Leroy

Jacques Rocher

Benjamin Marconato

Thierry Bavois

A method for automatically detecting a sensor coupled to an electronic computer, including a second step, consisting of passing to a third step when the electronic computer is activated, the third step, consisting of comparing a voltage generated by the sensor coupled to the terminals of the electronic computer with a reference voltage, in the event that the result of the comparison is positive, then passing to a fourth step, and in the event that the result of the comparison is negative, passing to a fifth step, the fourth step, consisting of selecting an impedance matched to the coupling of the voltage-source sensor to the terminals of the electronic computer.

Device for automatically detecting coupling between electronic devices

A method for automatically detecting a sensor coupled to an electronic computer including steps of detecting the sensor and steps of configuring a hardware interface.

A diagnostic device for a sensor for measuring the position of a motor-vehicle drive shaft. The sensor includes a first wired communication link and a second wired communication link, via which wired communication links the sensor sends the signal, and being characterized by an average reference voltage. The diagnostic device for a sensor being intended to be electrically connected between the first wired communication link and the second wired communication link and being configured to: a) receive a first voltage value corresponding to the average voltage in the first wired communication link and a second voltage value corresponding to the average voltage in the second wired communication link; b) detect a short circuit on the first wired communication link; or c) detect a short circuit on the second wired communication link.

Diagnostic device for a sensor for a vehicle drive shaft

A method for automatically detecting a sensor coupled to an electronic computer including steps of detecting said sensor and steps of configuring a hardware interface.

A computer including a hardware interface wherein the hardware interface includes a first resistor with a first first resistor pin and a second first resistor pin, a second resistor with a first second resistor pin and a second second resistor pin, a transistor, a comparator; the first first resistor pin being coupled on the one hand to the first hardware interface pin and on the other hand to a first transistor pin.

Device for automatic detection of coupling between electronic devices

A current source sensor delivers detection information in the form of an intermediate signal by selectively applying a low-level or high-level current to a communication bus depending on the passage of a mobile target, the sensor including a sensitive portion detecting the passage of a of the mobile target, an electronic module controlling and shape signals coming from the sensitive portion, an embedded intelligence module designed, inter alia, to receive information from another sensor through a first signal present on the communication bus, the first signal being the sum of the abovementioned intermediate signal generated by the sensor and of another intermediate signal generated by the other sensor, wherein the embedded intelligence module is adapted to modify a first low level and a first high level of the intermediate signal, respectively, into a second low level and into a second high level depending on a the first signal.

Device and method for determining the state of rotation of a camshaft of an engine

Sensor delivering detection information in the form of a variation of a current, including a sensitive portion adapted to detecting the passage of a mobile target, an electronic module able to control and shape signals coming from the sensitive portion, an embedded intelligence module adapted, inter alia, to receive information from an electronic computer and to process and generate information intended for the electronic computer, characterized in that the sensor includes a random-number generation module able to generate a random number.

Synchronization of an internal combustion engine

The aim of the present invention is a method for synchronizing an engine comprising at least one movable piston of a four-stroke internal combustion engine, said method comprising a first step (e) involving initializing a second memory space, a second step (e) involving waiting for an edge on a fourth signal (CAM_TOT), a fourth step (e) involving testing the value of a counter (CPT), an eighth step (e) involving selecting the theoretical angular positions of the slots of the second signal (CAM_IN) relative to the edges of a first signal (CRK) and of the slots of a third signal (CAM_EX) relative to the edges of the first signal (CRK).

Method for synchronizing an internal combustion engine

A device for protecting an electronic computer against a short circuit. The electronic computer including a shunt resistor, a first computer pin and being coupled to at least one sensor comprising a first sensor pin and a second sensor pin. Furthermore including a transistor driving module having a first driving pin coupled to a first shunt pin, a second driving pin coupled to a positive power supply, a second shunt pin being coupled firstly to a first sensor pin and secondly to a first comparator pin of a comparator module and designed to no longer supply electric power to the sensor through the first sensor pin when a short circuit is detected at the sensor.

Device for protecting an electronic computer against a short circuit

A motor vehicle computer includes an input port connected to a crankshaft sensor and a module for processing signals received from the crankshaft sensor. The computer includes: a first adapting module, suited to making the signals, provided by a crankshaft sensor of a first type, conform to an input predefined format of the processing module; a second adapting module, suited to making the signals, provided by a crankshaft sensor of a second type, conform to the input format of the processing module; a routing unit suited to connecting the input port to the first or to the second adapting module; a unit for detecting the type of the crankshaft sensor connected to the input port; and a unit for commanding the routing unit according to the type of crankshaft sensor detected.

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Toulouse, France

Yannick Leroy