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.

A device for detecting and monitoring crank shaft rotary speed and position in a four stroke engine, wherein a first and a second sensor are arranged to sense passage of reference marks on a rotatable element or elements. The first sensor is a high precision sensor which is arranged to sense passage of reference marks on a crank shaft flywheel of the engine, and the second sensor is a low speed sensor which is arranged to sense passage of reference marks on the crank shaft flywheel or reference marks or a wheel being associated with a cam shaft of the engine. The invention also concerns a method and a vehicle.

A device for detecting and monitoring crank shaft rotary speed and position in a four stroke engine, wherein a first and a second sensor are arranged to sense passage of reference marks on a rotatable element or elements. The first sensor is a high precision sensor which is arranged to sense passage of reference marks on a crank shaft flywheel of the engine, and the second sensor is a low speed sensor which is arranged to sense passage of reference marks on the crank shaft flywheel or reference marks or a wheel being associated with a cam shaft of the engine. The invention also concerns a method and a vehicle.

There is provided a controller and a control method for an internal combustion engine capable of correcting a detection error of a crankshaft angle with high accuracy. The controller of the internal combustion engine is provided with an angle information detection unit that detects an angle interval and a time interval with a specific crank angle sensor, an angle information correction unit that corrects the angle interval or the time interval by the correction value, an angle information calculation unit that calculates a first crank angle acceleration based on the corrected values of first interval number and calculates a second crank angle acceleration based on the corrected values of second interval number which is larger number than the first interval number, and a correction value change unit that changes the correction value so that the first crank angle acceleration approaches the second crank angle acceleration.

There is provided a controller and a control method for an internal combustion engine capable of correcting a detection error of a crankshaft angle with high accuracy. The controller of the internal combustion engine is provided with an angle information detection unit that detects an angle interval and a time interval with a specific crank angle sensor, an angle information correction unit that corrects the angle interval or the time interval by the correction value, an angle information calculation unit that calculates a first crank angle acceleration based on the corrected values of first interval number and calculates a second crank angle acceleration based on the corrected values of second interval number which is larger number than the first interval number, and a correction value change unit that changes the correction value so that the first crank angle acceleration approaches the second crank angle acceleration.

Embodiments of the present disclosure relate to methods, system, and devices for synchronizing angular position information between a first and a second semiconductor chip used for engine management in an automobile is described. In accordance with one embodiment, a system for synchronizing angular position information between a first and a second semiconductor chip comprises the first and the second semiconductor chip and a digital real-time communication link connecting the first and the second semiconductor chip. The second semiconductor chip comprise a master angle estimation circuit, which is configured to estimate an angular position of the engine based on at least one angular position sensor signal. The first semiconductor chip comprise a slave angle estimation circuit, which is configured to estimate an angular position of the engine based on information concerning angular position received form the master angle estimation circuit via the communication link.

Embodiments of the present disclosure relate to methods, system, and devices for synchronizing angular position information between a first and a second semiconductor chip used for engine management in an automobile is described. In accordance with one embodiment, a system for synchronizing angular position information between a first and a second semiconductor chip comprises the first and the second semiconductor chip and a digital real-time communication link connecting the first and the second semiconductor chip. The second semiconductor chip comprise a master angle estimation circuit, which is configured to estimate an angular position of the engine based on at least one angular position sensor signal. The first semiconductor chip comprise a slave angle estimation circuit, which is configured to estimate an angular position of the engine based on information concerning angular position received form the master angle estimation circuit via the communication link.

Method to detect and control detonation phenomena in an internal combustion engine provided with a number of cylinders and with at least two detonation sensors. For each combustion cycle as a function of the cylinder and of the engine point that is being explored, the method comprises the steps of processing the signal coming from each detonation sensor so as to determine a detonation energy for each detonation sensor; calculating a detonation index for each detonation sensor and controlling the internal combustion engine as a function of a total detonation index through the algebraic sum of the detonation indexes for each detonation sensor.

A start-up method of a mild hybrid system determines whether start-up is attempted through an MHSG in accordance with a request for start-up from a driver, compares an engine rpm at the end of cranking with a reference rpm in start-up using the MHSG, determines whether an engine rpm immediately after start-up follows an idle target rpm when the engine rpm at the end of cranking exceeds the reference rpm, checks whether there is an error in a cam angle sensor when poor following in which the engine rpm immediately after start-up does not follow the idle target rpm is generated, forcibly changes an engine state into cranking when the cam angle sensor has an error, and executes an existing backup crank logic that decreases a target rpm of the MHSG and finds out a fuel injection time while performing test injection using a signal from an crank angle sensor.

A start-up method of a mild hybrid system determines whether start-up is attempted through an MHSG in accordance with a request for start-up from a driver, compares an engine rpm at the end of cranking with a reference rpm in start-up using the MHSG, determines whether an engine rpm immediately after start-up follows an idle target rpm when the engine rpm at the end of cranking exceeds the reference rpm, checks whether there is an error in a cam angle sensor when poor following in which the engine rpm immediately after start-up does not follow the idle target rpm is generated, forcibly changes an engine state into cranking when the cam angle sensor has an error, and executes an existing backup crank logic that decreases a target rpm of the MHSG and finds out a fuel injection time while performing test injection using a signal from an crank angle sensor.