A control system for fuel injection by predicting engine noise may include an engine noise predicting device configured to derive a predicted engine noise value in real time by a predicted engine noise coefficient which is pre-stored according to a currently measured combustion pressure value of an engine; and a combustion controller configured to determine a difference between the real-time predicted engine noise value derived by the engine noise predicting device and a target engine noise value for a current operation condition of the engine, and when the engine noise is determined as being degraded due to an abnormal combustion, configured to change the target engine noise value to control fuel injection according to the changed target engine noise value.

Provided is an engine control device capable of, when performing control of an in-cylinder oxygen concentration according to engine operation state, controlling an engine to accurately realize vehicle behavior intended by a driver, while suppressing generation of knock noises due to abnormal combustion. The engine control device comprises: a basic target torque-determining part (61) configured to determine a basic target torque based on a driving state of a vehicle including manipulation of an accelerator pedal; a torque reduction amount-determining part (63) configured to determine a torque reduction amount based on a driving state of the vehicle other than the manipulation of the accelerator pedal; a final target torque-determining part (65) configured to determine a final target torque based on the basic target torque and the torque reduction amount; and an engine control part (69) configured, based on a fuel injection parameter preliminarily set correspondingly to an operation state of an engine, to control a fuel injector to enable the engine to output the final target torque, and, when the final target torque changes correspondingly to a change in the torque reduction amount, to correct the fuel injection parameter.

A control system for carburation of an internal combustion engine in use conditions comprising following activities: starting the engine with a value of equals .sub.0=.sub.T; constructing a curve c.sub.i() of the ionization current as a function of the angular position a of the crank shaft; selecting, on this curve c.sub.i(), a number of points at intervals of the rotation angle a; calculating value z, equal to integral from 0 to 360 of the curve c.sub.i(), is done by summing products c.sub.i for all preselected points; interrupting supply of fuel for some cycles in order to externally modify factor .sub.0 and take it to value .sub.1; for value .sub.1 constructing curve c.sub.i() and calculating value z.sub.1; calculating difference .sub.z=z.sub.1z.sub.0, and if the difference is >.sub.zref in absolute value, intervening on carburation by increasing the quantity of fuel injected in a case of a positive difference (lean mixture) and by reducing the quantity of fuel injected in a case of a negative difference (rich mixture).

An internal combustion engine, as a drive engine for a vehicle, including an engine braking device having a throttle element which is associated with an exhaust gas section, for damming an exhaust gas which is emitted by a combustion device, and including a measuring device by means of which the exhaust gas pressure can be measured at a defined measuring region of the exhaust gas section upstream of the throttle element as seen in the exhaust gas flow direction. According to the disclosure, it is provided that at least one further measuring device is provided, by means of which the exhaust gas pressure can be measured at the defined measuring region, for realizing a redundant exhaust gas pressure measurement, and the measurement signals which are determined by means of the measuring devices can be transmitted to a controller for controlling the throttle element.

An authentication arrangement for a motor vehicle includes an immobilize transponder, a first reception device, a control device and, optionally, a transmission and reception device. The immobilize transponder is switchable at least between an active operating state, which causes deactivation of the engine immobilizer, and an inactive operating state. The control device is designed to respond to a prescribed control signal captured by the first reception device by outputting a switching signal for switching the operating state of the immobilize transponder to the active operating state. An authentication system and a use of the authentication system are also disclosed.

An authentication arrangement for a motor vehicle includes an immobilize transponder, a first reception device, a control device and, optionally, a transmission and reception device. The immobilize transponder is switchable at least between an active operating state, which causes deactivation of the engine immobilizer, and an inactive operating state. The control device is designed to respond to a prescribed control signal captured by the first reception device by outputting a switching signal for switching the operating state of the immobilize transponder to the active operating state. An authentication system and a use of the authentication system are also disclosed.

Apparatuses, systems, and methods are disclosed for emissions control. An emissions monitor module measures at least one pollutant level for an exhaust gas flow produced by a combustion source and treated by a pollution control device. The at least one pollutant level may be controllable based on at least one combustion source operating parameter and at least one pollution control device operating parameter. A control module controls the at least one combustion source operating parameter and the at least one pollution control device operating parameter based on the at least one measured pollutant level.

Provided is a compressor capable of calculating the correct time remaining before maintenance. The compressor is provided with: a compressor body that compresses fluid; a motor that drives the compressor body; a temperature sensor that detects the temperature of the compressor; a pressure sensor that detects the pressure of the compressed fluid outputted from the compressor body; and a calculation unit that calculates the time remaining before maintenance for the compressor body, using the temperature of the compressor and the pressure of the compressed fluid assigned with respective predetermined weights. The calculation unit changes the weighting of the temperature according to the pressure of the compressed fluid or the operation rate of the compressor body.

A blow-by gas treating device discharges blow-by gas into intake air. A controller selects and executes one of a fuel cutoff process and a fuel introduction process when stopping combustion in a cylinder under a situation in which a crankshaft of the internal combustion engine is rotating. An injection valve controlling section controls a fuel injection valve to regulate a fuel injection amount in a period in which the combustion in the cylinder is stopped under the situation in which the crankshaft is rotating. The injection valve controlling section decreases the fuel injection amount from the fuel injection valve as an oil temperature that is the temperature of engine oil increases.

A vehicle power output control method, apparatus and system are provided. The method includes: collecting an image of a road surface on which a vehicle drives currently, and recognizing, according to the image of the road surface, the type of the road surface on which the vehicle drives currently; starting, according to the current type of the road surface, a terrain mode corresponding to an all-terrain adaptive mode; determining, in the terrain mode, a power output strategy corresponding to the current terrain mode; and adjusting an output torque of an engine according to a power output curve corresponding to the current power output strategy, the power output curve being a function curve using a stepping depth of an accelerator pedal as a variable and the output torque of the engine as an output. The method facilitates outputting an adaptive power by an engine when a vehicle drives on different road surfaces.