Abstract: A method and a system generate a time-series signal indicative of a variation of the environment in vicinity of the vehicle with respect to a motion of the vehicle and submit the time-series signal to the neural network to produce a reference trajectory as a function of time that satisfies time and spatial constraints on a position of the vehicle. The neural network is trained in to transform time-series signals to reference trajectories of the vehicle. The motion trajectory tracking the reference trajectory while satisfying constraints on the motion of the vehicle is determined and the motion of the vehicle is controlled to follow the motion trajectory.

Abstract: A method and a device for the diagnosis of faulty light emitting diodes in a string (2) formed of at least two light emitting diodes. The light emitting diodes (3) are divided into at least two groups and an electrical measured variable is determined for each group with respective measurement units. Differences between the measured variable and a reference value are established per group and, by way of a diagnosis unit that is connected to the measurement units, a defect of a light emitting diode is identified on the basis of the ratio of the differences in the groups and signaled.

Abstract: A dongle that may be plugged into an On-Board Diagnostic (OBD) port of a vehicle and provide notification if a human or animal is left within a parked car. The dongle accesses a first sensor from the vehicle's communication system and a second sensor from within the dongle. If data from the first and second sensors exceeds predetermined threshold values programmed into the dongle's memory, then the dongle sends out a response signal. The response signal may be sent to an owner's cellular phone or to a 911 dispatch center. Additional sensors within the vehicle, or placed within the dongle, may also be used to verify the presence of a human or animal left within the parked vehicle.

Abstract: A system and method are disclosed for managing the execution of tasks. Each task in a first set of tasks included in a pipeline is queued for parallel execution. The execution of the tasks is monitored by a dispatching engine. When a particular task that specifies a next set of tasks in the pipeline to be executed has completed, the dispatching engine determines whether the next set of tasks can be executed before the remaining tasks in the first set of tasks have completed. When the next set of tasks can be executed before the remaining tasks have completed, the next set of tasks is queued for parallel execution. When the next set of tasks cannot be executed before the remaining tasks have completed, the next set of tasks is queued for parallel execution only after the remaining tasks have completed.

Abstract: There is provided an art of performing correction of a coefficient in a model calculation formula of an intake valve model that is applied to an internal combustion engine including a turbocharger, in a wide engine operation region. An amendment value ? of a map value a in a correction value calculating operation region is calculated (step 10), and a straight line expressing a relation of a turbocharging pressure Pcmp and a cylinder air filling rate KL is calculated (step S14). A point (Pcmpn, KLn) on the calculated straight line is specified (step S16), and correction of the map value a is performed (step S18). Thereby, a correction value a? of the map value a in an operation region that differs in the turbocharging pressure Pcmp from the correction value calculating operation region is calculated.

Abstract: A train speed profiling system for use in connection with a train management system that can generate a virtual profile of a predetermined route having an estimated time of arrival at a destination based on data specific to the route and the actual train that will travel on the route. The virtual profile may be adjusted for any acceleration and any deceleration required by the train, and then optimized for reduced fuel consumption by reducing braking effort and improving coasting opportunities over the route if the estimated time of arrival is earlier than a desired time of arrival. The virtual profile may further be conformed so that the estimate time of arrival matches the desired time of arrival within a narrow threshold.

Abstract: An information processing device includes a bridge unit that connects with one or a plurality of IO device groups via a network, a connection management unit that manages a connection of the bridge unit, an allocation priority instruction unit that stores an instruction or a fixed value that is a priority condition for allocating resources, a resource amount search unit that searches resources used by IO devices of an entire system that includes the IO devices, a remaining resource calculation unit that calculates a remaining resource amount, a reservation resource amount output unit that calculates and outputs a number of virtual PCI bridges and a reservation resource amount, and a virtual bridge resource setting unit that sets the bridge unit based on the number of virtual PCI bridges and the reservation resource amount.

Abstract: An autonomous vehicle may access portions of a map to maneuver a roadway. The map may be split into one or more levels that represent different regions in space. For example, an overpass may be represented by one level while the road below the overpass may be on a separate level. A vehicle traveling on a particular level may use map data that is associated with that level. Furthermore, if the vehicle travels through a warp zone, it may transition from the current level to a destination level and thus begin to use map data associated with the destination level.

Abstract: A control apparatus is provided for an internal combustion engine equipped with compression ratio variable and variable valve mechanisms and includes first and second sub control apparatuses and a main control apparatus. The first sub control apparatus has a first microcomputer controlling the compression ratio variable mechanism, the second sub control apparatus has a second microcomputer controlling the variable valve mechanism, and the main control apparatus has a third microcomputer that calculates a target value of a top dead center of a piston and a target value of a valve timing of an intake valve, and outputs the target values. The main control apparatus changes a variable range of the target valve of the top dead center of the piston according to the valve timing of the intake valve, and the first sub control apparatus changes a control range of the top dead center of the piston.

Abstract: A system according to the principles of the present disclosure includes a target turbocharger position module and a turbocharger control module. The target turbocharger position module determines a target position of a turbocharger based on a relationship between power generated by a compressor of the turbocharger, inertia of a shaft in a turbine of the turbocharger, and power generated by the turbine. The target turbocharger position includes at least one of a target vane position and a target wastegate position. The turbocharger control module controls the turbocharger based on the target turbocharger position.

Abstract: A vehicle includes an engine having a combustion chamber with an inlet and an outlet. Valves and valve actuators regulate open and closing of the inlet and the outlet. A plasma ignition source initiates ignition in the combustion chamber. A controller is in communication with the inlet valve actuator and outlet valve actuator. The controller is configured to detect a transition from a first combustion mode of the engine to a second combustion mode of the engine. The controller is also configured to change at least one of an opening time, a closing time, and an open duration of the first valve in response to detecting the transition.

Abstract: A system according to the principles of the present disclosure includes a switching period module and at least one of a valve lift control module and a start-stop control module. The switching period module determines a switching period that elapses as a valve lift actuator of an engine switches between a first valve lift position and a second valve lift position that is different than the first lift position. The switching period begins when a measured position of the valve lift actuator corresponds to the first lift position and the switching period ends when the measured position of the valve lift actuator corresponds to the second lift position. The valve lift control module controls the valve lift actuator based on the switching period. The start-stop control module determines whether to automatically stop the engine based on the switching period.

Abstract: Where performing a main injection, and a sub-injection that injects a minute amount of fuel in a short region of driving time, a check is conducted to determine whether or not the minute amount of fuel is injected accurately. In a specific cycle at a time of cold starting when catalyst warm-up control is performed, the main injection is omitted and a checking injection corresponding to a sub-injection is performed. Injection conditions of an in-cylinder injection valve are made uniform between the checking injection and the sub-injection. A fuel amount that is actually injected from the in-cylinder injection valve in the specific cycle is calculated based on an air-fuel ratio of exhaust gas discharged from an engine and an in-cylinder air amount, and is compared with a fuel amount that theoretically should be injected from the in-cylinder injection valve.

Abstract: Methods and systems are presented for improving performance of a vehicle operating in a cruise control mode where a controller adjusts torque output from a vehicle to maintain vehicle speed within a desired range. The methods and systems include adapting a vehicle dynamics model and a vehicle fuel consumption model that provide input to nonlinear model predictive controller.

Abstract: A fuel system includes an electronic control module (ECM), at least one injector coupled to the ECM, and a configurable output driver circuit coupled to the at least one injector. The configurable output driver circuit includes a channel that enables adaptation of ECM outputs. The configurable output driver circuit is configurable based on a value stored in a register circuit.

Abstract: A method for determining a level of spark plug fouling and providing an indication to change the spark plugs of an ignition system is provided. The method includes providing a dwell command on a control wire of an ignition system and generating an indication of a recommendation to change a spark plug of the ignition system based upon a current on the control wire.

Abstract: A method and a device for controlling an internal combustion engine, in particular of a motor vehicle, the internal combustion engine including components which are each operated in an operating mode established by an operating mode coordinator, and it being in particular provided that the operating mode coordinator carries out the aforementioned establishment of at least one operating mode based on further operating aspects of the components.

Abstract: Methods and systems are provided for accurately determining the composition of a knock control fluid using sensors already present in the engine system. An intake oxygen sensor is used to estimate the water and the alcohol content of a knock control fluid that is direct injected into an engine cylinder responsive to an indication of abnormal combustion. A change in the pumping current of the oxygen sensor due to the water content of the knock control fluid is distinguished from a change in the pumping current of the oxygen sensor due to the alcohol content of the knock control fluid, while compensating for interfering effects of intake air diluents on the change in pumping current.

Abstract: Various systems and methods are provided for a mass flow rate sensor. In one example, a mass flow rate sensor comprises a first signal input, a second signal input, an output for a mass flow rate signal, a first characteristic field, a second characteristic field, each of the first and second characteristic fields associating a mass flow rate value with a pair of values of a revolution rate value and an output pressure value, and a selection unit that comprises a first parameter input and a second parameter input, the selection unit configured to produce a selection signal depending on a pair of parameters respectively received via the first and second parameter inputs and to switch the mass flow rate value of either the first or the second characteristic field through to the output of the mass flow rate sensor depending on the selection signal.

Abstract: Disclosed are systems, methods, and algorithms for monitoring and indicating filter life. In particular, the disclosed systems, methods, and algorithms may be utilized for monitoring and indicating the useful life of a filter in an internal combustion engine.

Abstract: A control system is for a vehicle that includes an internal combustion engine. The control system includes an electronic control unit. The electronic control unit is configured to limit an output of the internal combustion engine when the electronic control unit determines that the vehicle runs in an unmanned state, such that the output of the internal combustion engine is lower the vehicle runs in the unmanned state than when the vehicle runs in a manned state.

Abstract: A power transmission device of a work vehicle includes a generator, a motor, and an energy storage unit. The energy storage unit stores electricity generated by the generator. A forward/backward travel switch operation device receives an instruction for forward or backward travel from an operator. A vehicle speed detection unit detects the speed of the vehicle. A control unit includes an energy management requirement determination unit. The energy management requirement determination unit determines, on the basis of the difference between a target electricity storage amount and a current electricity storage amount in the energy storage unit, the energy management required power required by the power transmission device for charging the energy storage unit. The energy management requirement determination unit increases the target electricity storage amount when a first travel direction according to the instruction and a second travel direction determined from the vehicle speed are different.

Abstract: Methods and systems are provided for using compression heating to heat a cylinder piston before cylinder combustion is resumed. Cylinder heating is achieved using combinations of slow unfueled engine rotation where the engine cylinders are heated via compression stroke heating, and slow compressor rotation where the cylinders are heated via compression heating. One or more intake or exhaust heaters may be concurrently operated to expedite cylinder heating.

Abstract: Methods and arrangements are described for controlling transitions between firing fractions during skip fire operation of an engine in order to help smooth the transitions. Generally, firing fractions transitions are implemented gradually, preferably in a manner that relatively closely tracks manifold filling dynamics. In some embodiments, the commanded firing fraction is altered each firing opportunity. Another approach contemplates altering the commanded firing fraction by substantially the same amount each firing opportunity for at least a portion of the transition. These approaches work particularly well when the commanded firing fraction is provided to a skip fire controller that includes an accumulator functionality that tracks the portion of a firing that has been requested, but not delivered, or vice versa.

Abstract: Apparatuses, methods and systems including dynamic estimations of vehicle mass and road grade estimation are disclosed. One exemplary embodiment is a method including operating a vehicle system to propel a vehicle, determining with a controller a vehicle mass estimate and an uncertainty of the vehicle mass estimate, evaluating with the controller the uncertainty of the vehicle mass estimate relative to at least one criterion, if the uncertainty of the vehicle mass estimate satisfies the criterion, determining with the controller a road grade estimate, and controlling with the controller utilizing the road grade estimate at least one of a vehicle speed and an engine output.

Abstract: Provided is a cylinder intake air amount estimation apparatus for an internal combustion engine, which is capable of highly precisely calculating a cylinder intake air amount based on an AFS intake air amount in a control system for an engine including a supercharger. A cylinder intake air amount calculation part calculates the cylinder intake air amount based on an intake opening intake air amount by using a physical model of an intake system derived based on a volume efficiency acquired by considering an intake manifold as a reference, which is a volume efficiency of air entering a cylinder from the intake manifold, a virtual intake manifold volume, and a stroke volume per cylinder, the physical model being adapted to the control system for an engine including a supercharger.

Abstract: A method of limiting a maximum speed of a vehicle comprises steps of changing a set speed of the vehicle; tuning a fuel injection map according to the change in the set speed; changing the amount of injected fuel to a predetermined percentage of the maximum amount of injected fuel based on the fuel injection map when the driving speed of the vehicle reaches the set speed level; and changing the speed of the vehicle according to a gradient of a road or whether the vehicle is loaded.

Abstract: Techniques for measuring cylinder pressure include receiving an analog cylinder pressure signal indicative of pressure in a cylinder of an engine and an angular position signal indicative of an angular position of the engine. The analog cylinder pressure signal is converted to a digital cylinder pressure signal by (i) windowing the analog cylinder pressure signal in the angle-domain using the angular position signal and (ii) sampling the windowed analog cylinder pressure signal in the time-domain, and the digital cylinder pressure signal is filtered in the time-domain to obtain a filtered digital cylinder pressure signal. A measured pressure in the angle domain is obtained by sampling the filtered digital cylinder pressure signal using the angular position signal, and operation of the engine is controlled using the measured cylinder pressure.

Abstract: A method and system for ensuring integrity of manipulatable critical data, including a processor configured to execute at least one restartable processing thread module, a shared memory communicatively coupled with the processor and having at least some manipulatable critical data wherein when request to restart the at least one restartable processing thread module is received, the at least one restartable processing thread module is restarted.

Abstract: A control apparatus for an internal combustion engine is provided. The internal combustion engine includes an exhaust catalyst and a fuel injection valve. The control apparatus includes: an electronic control unit. The electronic control unit is configured to: (a) acquire a cetane number of a fuel for the internal combustion engine; (b) acquire a target light-off temperature on the basis of the cetane number, the target light-off temperature being a light-off temperature of the exhaust catalyst; (c) acquire an exhaust gas temperature of the internal combustion engine; and (d) when the exhaust catalyst is heated, control additional injection on the basis of a difference between the exhaust gas temperature and the target light-off temperature, the additional injection being carried out after main injection of the fuel injection valve.

Abstract: A device and a method for determining an absolute angular position of a wheel of a vehicle. A wheel unit is mounted on the wheel side and configured to determine data which permit a reference limb of the wheel, and to wirelessly transmit the acquired data. A receiver unit is mounted on the vehicle side and receives the data of the wheel unit. A reference limb-determining device determines the reference limb of the wheel on the basis of the received data. A measuring device generates, in each case, one signal when the wheel rotates by a previously determined angle, and a counting device counts the signals generated by the measuring device. An angle-determining device determines an absolute angular position of the wheel on the basis of the signals counted by the counting device, and on the basis of the specific reference limb.

Abstract: A method of determining suitability of correction for a control logic of a selective catalytic reduction (SCR) catalyst, may include determining a suitability function of the correction based on a previous error and a current error when the correction has been performed, determining a suitability coefficient based on the suitability function of the correction, determining whether the correction may be suitable based on the number of corrections and the suitability coefficient, and resetting the control logic when the correction may be not suitable.

Abstract: A method, comprising: indicating a leak of a first diameter on a canister side of a fuel system following applying a vacuum to the fuel system with a fuel tank isolation valve closed; and indicating a leak of a second diameter on a fuel tank side of the fuel system, based on a vacuum decay in an isolated fuel tank following applying a vacuum to the fuel system with the fuel tank isolation valve open. In this way, an evaporative leak check module with a single reference orifice may be used to determine leaks of multiple sizes in multiple sectors of a fuel system. This may allow current production models to meet more stringent emissions regulations in the future.

Abstract: A control device for an engine provided with a turbocharger properly uses a parameter used for controlling a center-of-gravity position of a heat generation rate determined by a heat generation rate as the amount per unit crank angle of heat generated by combustion of fuel depending on operating situations of the engine and a vehicle in which the engine is mounted.

Abstract: A method for detecting a failure of a charge air cooler placed in an air supply circuit of an engine, the circuit including an air filter and a compressor. The method is performed continuously and repeatedly. The method includes: determining temperature Tair of the air between the filter and the compressor, the temperature of the air Tapc between the compressor and the cooler, and the temperature of the air Tsras between the cooler and the engine; calculating the Tapc-Tsras/Tapc-Tair ratio, which is a parameter indicative of effectiveness of the cooler; comparing the parameter against a predetermined threshold effectiveness value; and making a diagnosis as to whether the cooler is operating correctly or incorrectly, on the basis of the comparison.

Abstract: It is a task of the invention to make it possible to calculate a control target value of one actuator or control target values of a plurality of actuators regarding engine control at a high speed through the use of a multicore processor. With a view to accomplishing this task, a plurality of lattice points that are arranged on a two-dimensional orthogonal coordinate system having axes representing a first operating condition and a second operating condition respectively are associated respectively with at least one or some of a plurality of cores that are arranged in a latticed manner on the multicore processor on one-on-one level on a same line as on the two-dimensional orthogonal coordinate system, and a calculation program for calculating an optimal control value at the associated lattice point or calculation programs for calculating optimal control values at the associated lattice points are allocated respectively to at least one or some of the plurality of the cores.

Abstract: A fuel supply apparatus for an internal combustion engine includes: a feed pump capable of feeding a fuel of the internal combustion engine; a high pressure fuel pump that pressurizes the fuel fed from the feed pump; and a second injector that supplies the pressurized high-pressure fuel to the internal combustion engine selectively. An ECU of the fuel supply apparatus includes: a pulsation width detection unit that detects a pulsation width in a pressure of the fuel fed from the feed pump to the high pressure fuel pump; and a feeding condition determination unit that determines that a condition variation causing fuel vapor to form in the fuel fed to the high pressure fuel pump has occurred when the pulsation width detected by the pulsation width detection unit falls rapidly to a preset threshold variation width.

Abstract: Various methods and systems are provided for diagnosing an exhaust gas recirculation valve based on crankcase pressure. In one example, a method comprises indicating a condition of a valve disposed in a first exhaust passage downstream from a cylinder exhaust valve based at least in part on a crankcase pressure.

Abstract: Systems, methods, and apparatuses are described for updating navigational map data. A routing request is received for routing data. A version compatibility matrix may be accessed that corresponds to the routing request. An analysis is performed of a cache database, a main database, and the version compatibility matrix. A number of version conflicts between the cache database and main database are identified based on the analysis. Using these version conflicts, one or more routes based on the routing request are generated.

Abstract: Apparatus for detecting deterioration of an NOx selective reduction catalyst in an exhaust passage of an internal combustion engine with improved accuracy, includes an NOx purification rate calculation unit for calculating the NOx purification rate in the NOx selective reduction catalyst based on the NOx concentration in the exhaust gas flowing into and out of the NOx selective reduction catalyst. A determination as to whether the NOx selective reduction catalyst is deteriorated is made based on the NOx purification rate at a time when the temperature of the NOx selective reduction catalyst is equal to or higher than a temperature (Tc0) at which the NOx purification rate will start to decrease with a rise in the temperature of the NOx selective reduction catalyst if the degree of deterioration of the NOx selective reduction catalyst is at the upper limit of an allowable range.

Abstract: Testing apparatus, systems and methods are provided to obtain measurements pertaining to aircraft control surfaces mounted to stationary aircraft structures for displacements about a hinge axis. A support structure and an actuator carried by the support structure may be provided, the support structure including attachment assemblies for positionally fixing the testing apparatus to the stationary aircraft structure. The actuator carried by the support structure includes a rectilinearly movable actuator shaft which contacts the aircraft control surface when the support structure is positionally mounted to the stationary aircraft structure. Actuation of the actuator will thereby cause the actuator shaft to apply a load to the movable aircraft control surface to cause deflection thereof about the hinge axis.

Abstract: A fuel-saving and energy-saving car controller includes a power supercharge control box (51) electrically connected with a direct-current brushless motor (41) of a power supercharger (40). The power supercharge control box includes a communication module which reads data in the on-board diagnostics (8) and the car computer (7) so as to detect a rotation speed of the engine (20). Thus, the communication module transmits a signal to the single-chip control circuit (1) which drives the motor actuating circuit (42) which controls the direct-current brushless motor to regulate a rotation speed of the air inlet fan (44).

Abstract: The present invention concerns a method of and an apparatus for controlling a plurality of load elements in a motor vehicle, wherein corresponding load current pulses for the load elements are so produced that they overlap at least in the region of their rising and falling edges and wherein the configuration in respect of time of the load current pulses is controlled in such a way that a substantially constant overall current is also afforded from the total of the load current pulses of all load elements in the region of the rising and falling edges of the load current pulses.

Abstract: The invention relates to a control device applied to an engine including a controlled object and for controlling the operation state of the controlled object such that the controlled output from the controlled object corresponds to the target controlled output. In the invention, when the reference engine state parameter is maintained constant during the predetermined time period and it is predicted that the reference engine state parameter changes at the predetermined time period having elapsed, the primary or secondary predicted controlled output which satisfies the output control condition at the predetermined time period having elapsed assuming that the reference engine state parameter does not change during the predetermined time period is calculated as a look-ahead predicted controlled output and then, the target controlled output setting logic for performing the functions of the target controlled output setting architecture is corrected on the basis of the look-ahead predicted controlled output.

Abstract: A vehicle control system to prevent a vehicle stopped in the autonomous mode from being started undesirably is provided. The vehicle control system is configured to select an operating mode from an autonomous mode and a manual mode, and to select a drive range from a drivable range and a non-drivable range. A controller is configured to detect a fact that a door is opened, that a door lock is unlocked, or that a seatbelt is unfastened. If at least any of those facts is detected, the controller shifts the drive range to the non-drivable range or shifts the operating mode to the manual mode.

Abstract: An ECU has an output-value obtaining portion, a preignition estimating portion and a valve-opening-time controller. The output-value obtaining portion obtains the output value of the knock sensor, which corresponds to an intensity of an engine knocking. A preignition estimating portion estimates that a preignition will be generated in an internal combustion engine, when the obtained output value is greater than or equal to the specified threshold. When the preignition estimating portion estimates that a preignition will be generated, the exhaust-valve timing control mechanism advances the opening time of the exhaust valve to suppress the preignition.

Abstract: A system according to the principles of the present disclosure includes an engine air sensor, an engine air prediction module, and an engine actuator module. The engine air sensor measures an engine air parameter at a first rate. The engine air parameter includes at least one of a mass flow rate of air flowing into an intake manifold of an engine, a pressure within the intake manifold, and a mass of air within a cylinder of the engine. The engine air prediction module predicts the engine air parameter at a second rate that is greater than the first rate. The engine actuator module controls an actuator of the engine based on at least one of the measured engine air parameter and the predicted engine air parameter.

Abstract: A method and system for improving vacuum generation for a vehicle is described. In one example, engine speed and alternator load are adjusted in an alternating manner to increase and amount of vacuum provide by an engine to a vacuum reservoir.

Abstract: Systems, methods and apparatus are disclosed for disabling control of one or more outputs of an internal combustion engine system in response to an engine-out NOx sensor during a high frequency pressure pulsation associated with the exhaust gas at the engine-out NOx sensor. A high frequency pressure pulsation event may be determined in response to a pressure sensor measurement, or in response to operating parameters of one or more components of the system indicating high torque output conditions, and/or by a blade position of a turbine adjacent the NOx sensor indicating passage of the exhaust gas pressure pulsations to the NOx sensor.

Abstract: Provided are a controller and a control method for a homogeneous charge compression ignition engine, which are capable of obtaining a highly efficient and stable combustion state over a wide range of load condition. A correction factor computing section executes combustion control with an excess air ratio smaller than approximately 3 when a predetermined condition is satisfied and computes a correction factor for correcting deviations between execution values of valve-opening timings and valve-opening periods of an intake valve and an exhaust valve and basic valve-opening timings and basic valve-opening periods of the intake valve and the exhaust valve which are previously determined for each operation condition, based on a timing at which an ion current becomes maximum detected by a combustion-timing detection section, in the combustion control with the excess air ratio smaller than approximately 3.