Abstract: Systems and methods for monitoring the use of a shared vehicle are described. In various aspects, telematics data regarding operation of a shared vehicle is collected from one or more sensors, where the shared vehicle is associated with a shared vehicle operator and a shared vehicle stakeholder. One or more processors determine whether a driving event has occurred based upon the telematics data, where the driving event is indicative of improper usage of the shared vehicle by the shared vehicle operator. The one or more processors generate a notification regarding the driving event. The notification includes a driver rating determined from the telematics data regarding operation of the shared vehicle by the shared vehicle operator. The notification is transmitted, via a network, to the shared vehicle stakeholder for presentation to the shared vehicle stakeholder.

Abstract: Methods and systems are provided for monitoring a fuel injector of an internal combustion engine. In one embodiment, a method includes: receiving a set of feature data, the feature data sensed from a fuel injector during a fuel injection event; processing, by a processor, the set of feature data with a machine learning model to generate a prediction of a fault status; and selectively generating, by the processor, a notification signal based on the prediction.

Abstract: Methods and systems are provided for characterizing aged fuel, which loses volatility over time. In one example, a method may include estimating a fuel vapor pressure during an engine cold start using a pre-determined fuel distillation curve and adjusting one or more combustion parameters based on the estimated fuel vapor pressure. Because the fuel vapor pressure directly relates to the fuel volatility, adjusting the one or more combustion parameters based on the estimated fuel vapor pressure may reduce aged fuel-related engine performance degradation, such as hesitation and emissions during cold start.

Abstract: Methods and systems are provided for adjusting and troubleshooting an adjustable exhaust valve of a variable exhaust tuning system. In one example, a method may include comparing engine startup conditions to engine conditions of a last engine off event, adjusting a position of the adjustable exhaust valve, and providing a diagnostic summary to a vehicle operator based upon the results of the comparison and adjustment.

Abstract: Methods and systems are provided for reducing or avoiding engine hesitation and/or stall during engine idle conditions. In one example, a method may include inferring an engine idle condition, and in response, controlling a speed of an engine to a compensated engine idle speed that is a function of an extent to which a canister purge valve that regulates an amount of fluid flow to the engine from a fuel system and/or an evaporative emissions system, is degraded. In this way, an amount of fuel utilized to compensate for the degraded canister purge valve may be proportionate to the extent to which the canister purge valve is degraded.

Abstract: In a continuously variable transmission of an electric actuator system from which a hydraulic pressure generator such as an oil pump is excluded, it is necessary to cut off power supply to an actuator and turn a motor into an inoperative state similarly in a hydraulic actuator system in order to prevent unintended sudden acceleration or deceleration when a fail state is formed due to microcomputer failure of an electronic control device. As a result, a belt-slipping state occurs causing traveling failure. Thus, a master CPU (for control) and a slave CPU (for monitoring), which are configurations of an existing electronic control device are used. Both CPUs have monitoring functions configured to perform mutual monitoring. In addition, the existing electronic control device is also considered as a monitoring device via a network to provide a monitoring configuration among the three devices to accurately specify the failure part (CPU).

Abstract: A system can include an engine, an aftertreatment system with a particulate filter, and a controller. The controller is configured to compare a time value since a last delta pressure soot load estimate process to a predetermined time threshold. Responsive to the time value being greater than or equal to the predetermined time threshold, the controller decreases a flow threshold value to a lower flow threshold value. If the flow amount is greater than or equal to the lower flow threshold value, then the controller activates a delta pressure soot load estimation process. A combined soot load estimate is then calculated using a delta pressure soot load estimation of the delta pressure soot load estimate process responsive to the lower flow threshold value.

Abstract: An electronic control unit (ECU) obtains outside air humidity information from a sensor disposed outside a vehicle compartment and inside air humidity information from a sensor inside the vehicle compartment.

Abstract: A method for checking a measurement of pressure in a fuel tank, implemented in a vehicle having a fuel tank and a fuel vapor breather circuit including: a filter, a tank isolation valve interposed between the tank and the filter, and a purge line, connected to the filter, downstream thereof, a pressure sensor, and a purge valve. The method includes, when the purge valve is closed: measuring a value of the pressure in the tank when the isolation valve is closed, then measuring a temporal extreme value for the pressure in the purge line following an opening of the isolation valve, and determining, from the measured values, that there is an anomaly in the measured pressure in the tank.

Abstract: An exhaust leak detecting apparatus includes an exhaust pressure sensor to detect the exhaust pressure in a portion of an exhaust passage that allows exhaust gas discharged from an engine to flow therethrough, the portion being located at a position upstream of a catalyst for purifying exhaust gas, and an exhaust leak determining part to determine that exhaust gas is leaking or may leak from the exhaust passage upstream of the catalyst and generate a warning when the exhaust pressure detected by the exhaust pressure sensor falls outside a predetermined range.

Abstract: Various embodiments may include a method for operating an internal combustion engine having a wastegate turbocharger comprising: measuring an intake pipe pressure; determining a cylinder air mass from the pressure; injecting an amount of fuel into a cylinder of the internal combustion engine based on the air mass; determining and a plausible intake pipe pressure gradient for a current engine operating point; calculating a gradient of the measured intake pipe pressure during a full-load acceleration; comparing the stored plausible intake pipe pressure gradient to the calculated gradient; identifying manipulation of the intake pipe pressure sensor if the difference between the stored plausible intake pipe pressure gradient and the calculated gradient exceeds a selected threshold value; and limiting a power output of the engine if manipulation is identified.

Abstract: Various embodiments include a method comprising: moving a piston toward TDC in successive pump cycles; during the movement, closing an inlet valve by applying current to an electromagnet; generating a pressure signal downstream of the outlet; applying a measurement current to the electromagnet when the inlet valve is closed; while the piston moves away from TDC, detecting an opening position at which an opening movement of the inlet valve begins on the basis of a predetermined change with respect to time of the measurement current; checking whether a value sequence of the ascertained opening positions over multiple pump cycles satisfies a predetermined discrepancy criterion with regard to the sensor signal; and if the discrepancy criterion is satisfied, generating a fault signal relating to the pressure sensor.

Abstract: Embodiments for using virtual sensor models in an internet of things (IoT) environment by a processor. One or more virtual sensor models are automatically identified according to a semantic graph, having a knowledge domain that links and describes a relationship between observed variables associated with one or more sensors with unobserved variables associated with the IoT environment. The one or more virtual sensor models may be selected for deployment in the IoT environment according to one or more combinations of virtual sensor inputs.

Abstract: A control system comprising a feedback controller 1 for determining an operation amount u in a control-implemented system based on a command value r*, a detection value y of the control-implemented system and phase information ? for the control-implemented system, wherein the feedback controller 1 has a periodic disturbance suppression controller 4 for outputting a periodic disturbance compensation signal rpd* based on the detection value y and the phase information ?; and a resonance/disturbance suppression controller 3 for calculating the operation amount u based on the detection value y and a corrected command value r obtained by adding the periodic disturbance compensation signal rpd* to the command value r*. The periodic disturbance suppression controller 4 uses a generalized periodic disturbance observer. In the control system, resonance, non-periodic disturbances and periodic disturbances are all suppressed in order to raise the system control performance.

Abstract: A diagnosis facility and diagnostic method for monitoring the performance of a technical plant with an automation system. In the performance of a plant with step sequences that run repeatedly, deviations of the time response in a cycle of the step sequence that is to be checked from the time response for fault-free cycles are detected and displayed by evaluation of the data set, using the self-organizing map. To this end, the durations of the execution of each step in the step sequence that is to be checked are determined and evaluated using a predetermined self-organizing map that has been learned using fault-free cycles. This type of evaluation has the advantage that the self-organizing map can be learned automatically and consequently hardly any knowledge of the respective process that is running on the plant is required for the diagnosis.

Abstract: A gas sensor system (1) including a gas sensor (2) and a sensor control section (40) including detection circuits (41), (42) and (43) for detecting the terminal potentials V1, V2, and V3 of first to third terminal T1 through T3. The sensor control section (40) includes a circuit (44) for applying an examination potential Vex to the second terminal T2, a first circuit (45) which has a predetermined resistance R1c and disconnectably connects the first terminal T1 and the second terminal T2, a second circuit (46) which has a predetermined resistance R2c and disconnectably connects the second terminal T2 and the third terminal T3, and terminal potential detection means S5 for detecting the terminal potentials V1, V2, and V3 using the detection circuits in a state in which the examination potential Vex is applied to the second terminal T2 and switches SW1 and SW2 are turned on.

Abstract: In order to provide an exhaust gas measuring system capable of more accurately correcting errors in measurement results caused by response delays of exhaust gas measuring devices, and the like, the exhaust gas measuring system is adapted to include: a sampling pipe adapted to, from a lead-out port, lead out exhaust gas introduced from an introduction port; one or more types of exhaust gas measuring devices that are connected to the lead-out port and measure predetermined physical quantities related to the exhaust gas flowing through the sampling pipe; a correction device adapted to correct measurement results by the exhaust gas measuring devices; and a pressure sensor adapted to measure the pressure inside the sampling pipe, in which the correction device corrects errors in the measurement results, which are caused by response delays, with the measured pressure by the pressure sensor as a parameter.

Abstract: Disclosed are automated methods and systems for certifying the volatility of butane-enriched gasoline downstream of a butane blending operation. Such automated methods and systems provide significant advantages to comply with volatility requirements imposed by EPA or state regulations.

Abstract: In a test run, in order to easily provide a high-quality propulsion torque of a torque generator based on the partially low-quality measured variables available on the test bench, it is foreseen that an inner torque (Mi) of the torque generator (D) is measured and based on the measured inner torque (Mi), from an equation of motion, including the measured inner torque (Mi), a dynamic torque (Mdyn) and a shaft torque (Mw) measured on the output shaft of the torque generator (D), a correction torque ({circumflex over (M)}cor) is estimated, and from the estimated correction torque ({circumflex over (M)}cor) and the measured inner torque (Mi), the propulsion torque (Mv) according to the relation Mv={circumflex over (M)}cor+Mi is computed.

Abstract: An amount of reducing agent adsorbed on a NOx catalyst when a reducing agent supply device is normal and a corresponding detected value may be estimated. The corresponding detected value may be detected by a NOx sensor, and the detected value may correspond to an amount of reducing agent adsorbed on the NOx catalyst. When the estimated amount of adsorption is larger than or equal to a first amount and is smaller than or equal to a second amount, a diagnosis of the NOx catalyst based on the detected value of the NOx sensor may be prevented. The first amount may be an amount of adsorbed reducing agent corresponding to a minimum value of the corresponding detected value. The second amount may be an amount of adsorbed reducing agent corresponding to the corresponding detected value when the amount of adsorbed reducing agent is zero and larger than the first amount.

Abstract: The present disclosure describes a method for checking the signal of a temperature sensor in an exhaust-gas aftertreatment system for an internal combustion engine. The method may include: in an operating state which does not require heating of the reducing agent, activating the heating device for the purposes of checking the temperature sensor; determining whether the signal of the temperature sensor changes by a predefined expected value (?T) within a predefined time period (?t2); provisionally identifying the temperature sensor as fault-free if it does; deactivating the heating device; determining whether the signal of the temperature sensor reaches the start temperature (T0) again within a time period (?t3); and confirming the temperature sensor as fault-free if it does.

Abstract: A method for providing a model for a part of a vehicle includes selecting at least one operation state, selecting at least one possible fault type for the vehicle part, simulating vehicle part performance for the at least one operation state during the occurrence of the at least one possible fault type, for each simulation creating a representation of the vehicle part performance in which each representation is associated with at least one operating parameter value, and storing the at least one representation.

Abstract: An engine device of including: an intake manifold configured to supply air into a cylinder; a gas injector configured to mix fuel gas with air supplied from the intake manifold, and supply mixed gas to the cylinder; an igniter configured to ignite, in the cylinder, premixed fuel obtained by pre-mixing the fuel gas with the air; and a control unit configured to execute a combustion control of a premixed fuel based on the output signal indicative of an output from the engine device. When the air amount is determined to be insufficient and when the output signal is lost, the control unit estimates an output signal based on the fuel gas injection amount from the gas injector, and executes the combustion control based on the estimated output signal.

Abstract: Systems and methods for predictive reliability mining are provided that enable predicting of unexpected emerging failures in future without waiting for actual failures to start occurring in significant numbers. Sets of discriminative Diagnostic Trouble Codes (DTCs) from connected machines in a population are identified before failure of the associated parts. A temporal conditional dependence model based on the temporal dependence between the failure of the parts from past failure data and the identified sets of discriminative DTCs is generated. Future failures are predicted based on the generated temporal conditional dependence and root cause analysis of the predicted future failures is performed for predictive reliability mining. The probability of failure is computed based on both occurrence and non-occurrence of DTCs. The root cause analysis enables identifying a subset of the population when an early warning is generated and also when an early warning is not generated.

Abstract: A method includes identifying one of multiple regions in a range where an output (OP) value used to implement a manipulated variable is located. The manipulated variable is associated with an industrial process, and the OP value represents an output of a downstream controller. The method also includes calculating an achievable manipulated variable (MV) limit for the manipulated variable based on the region in which the OP value is located. For example, when the OP value is located in one region, the achievable MV limit could match a user-specified limit or be based on a gain between the OP value and a value of a process variable. When the OP value is located in another region, the achievable MV limit could track the value of the process variable with a gap.

Abstract: Provided is a dynamometer-system dynamo control device that can appropriately suppress the occurrence of resonance phenomena and can realize a no-load state, even in a case where an engine the inertia of which is unknown is connected. The dynamometer system comprises a dynamometer and a shaft torque meter. A dynamo control device 6 in the dynamometer system generates a torque current command signal on the basis of a torque detection signal and a torque command signal.

Abstract: A system for testing a particulate filter system includes a filter controller connected to the particulate filter system and a vehicular computer configured to determine at least one engine condition. The filter controller is configured to control a condition of a component of the particulate filter system and the vehicular computer is operatively connected to the filter controller to communicate therewith. The vehicular computer compares the condition of the component of the particulate filter system with the engine condition to determine whether the component of the particulate filter system is functioning properly.

Abstract: An engine diagnostic system includes an engine and a control system having a controller operatively connected to the engine. A monitoring system has a measurement device operatively connected to the engine. A diagnostic system is operatively connected to the engine. A communication system is configured to send and receive data from a remote location. The diagnostic system is configured to implement a non-starting engine diagnostic procedure, at least a portion of which is performed while the engine is cranking, and to transmit data generated during the engine diagnostic procedure to the remote location through the communication system.

Abstract: A fault diagnostic system of a vehicle includes a noise module that determines a noise value based on a plurality of differences between samples of a pressure signal generated by a pressure sensor located in a positive crankcase ventilation (PCV) system of an engine. A signal module determines a signal value based on the samples of the pressure signal generated by the pressure sensor located in the PCV system of the engine. A diagnostic value module determines a diagnostic value based on one of: (i) a product of the noise value and the signal value; and (ii) a sum based on the noise value and the signal value. A fault module selectively diagnoses a fault in the PCV system based on the diagnostic value and generates a malfunction indicator within a passenger cabin of the vehicle in response to the diagnosis of the fault in the PCV system.

Abstract: Methods and systems are provided for diagnosing a fault condition of an exhaust gas oxygen sensor downstream of a catalyst in an exhaust system of a vehicle. In one example, a method may include determining a ratio of a rate of change of a fractional oxidation state of the catalyst to a rate of change of an output voltage of the oxygen sensor. If the ratio is positive, a fault is diagnosed and subsequent adjustment of engine operation does not take into account feedback from the oxygen sensor.

Abstract: An audio system testing arrangement includes a controller coupled to a communication. bus of a motor vehicle. The controller runs test scripts via the communication bus. The test scripts are for testing features of an audio system within the vehicle. A fault of the audio system is determined dependent upon results of the test scripts, a display and/or speaker annunciates the determined fault of the audio system.

Abstract: A system according to the principles of the present disclosure includes a first model predictive control (MPC) module and an engine actuator module. The first MPC module generates predicted parameters based on a model of an engine and a set of possible target values and generates a cost for the set of possible target values based on the predicted parameters and a desired exhaust enthalpy. The first MPC module also selects the set of possible target values from multiple sets of possible target values based on the cost. The engine actuator module adjusts an actuator of the engine based on at least one of the target values.

Abstract: A device executes a power limiting process when the number of pressure sensors determined to be normal in a second determination process made by a second processing unit is smaller than or equal to one. When only one pressure sensor is determined to be normal through the second determination process, and when that pressure sensor and a pressure sensor connected to only a first processing unit are determined to be normal in a first determination process made by the first processing unit, a process associated with fuel injection based on a detected value of the pressure sensor determined to be normal in the second determination process is executed, and a degree of limiting engine power through the power limiting process is reduced as compared with when both the pressure sensors are determined to be abnormal in the first determination process.

Abstract: An engine assembly includes an internal combustion engine with an engine block having at least one cylinder and at least one piston moveable within the at least one cylinder. A crankshaft is moveable to define a plurality of crank angles (CA) from a bore axis defined by the cylinder to a crank axis defined by the crankshaft. A controller is operatively connected to the internal combustion engine and configured to receive a torque request (TR). The controller is programmed to determine a desired combustion phasing (CAd) for controlling a torque output of the internal combustion engine. The desired combustion phasing is based at least partially on the torque request (TR) and a pressure-volume (PV) diagram of the at least one cylinder.

Abstract: An exhaust gas retreatment system of an internal combustion engine includes a particle filter; and a sensor positioned, in a flow direction of the exhaust gas, downstream of the particle filter. The sensor is configured to measure the oxygen content and/or the NOx content in the exhaust gas downstream of the particle filter.

Abstract: An in-vehicle sensor (1) mounted on a vehicle VE and connected to a communication bus CAN including a bus connection connector (40) for connection to the CAN and external terminals (T3, T4) for communication, and one or a plurality of external terminals (T5, T6) for setting each brought into either of a first connection state not connected to any potential and a second connection state connected to a ground potential GND; a judgment section S1-S4, S5-S7 for setting whether the connection state is the first connection state or the second connection state; and an identifier setting section S8 which sets an identifier ID of the in-vehicle sensor (1) used on the communication bus CAN based on the judged connection state(s) for setting of the one or plurality of external terminals (T5, T6).

Abstract: A vehicle control system which can ensure high reliability, real-time processing, and expandability with a simplified ECU configuration and a low cost by backing up an error through coordination in the entire system without increasing a degree of redundancy of individual controllers beyond the least necessary level. The vehicle control system comprises a sensor controller for taking in sensor signals indicating a status variable of a vehicle and an operation amount applied from a driver, a command controller for generating a control target value based on the sensor signals taken in by the sensor controller, and an actuator controller for receiving the control target value from the command controller and operating an actuator to control the vehicle, those three controller being interconnected via a network.

Abstract: System for checking a combustion engine (1) coupled with an electric generator (2) of a hybrid terrestrial vehicle having at least a drive line (61, 62) driven by at least one electric motor (51, 52); the combustion engine (1) comprising at least one subsystem to be checked; the system further comprising first control means (3) configured to drive the combustion engine (1) at a predefined deterministic operation point, wherein the system comprises second control means able to perform a diagnostic test on the subsystem wherein the first control means (3) are configured to vary the operation conditions of the combustion engine (1) in order to allow the second control means (ECU) to perform the diagnostic test.

Abstract: An engine includes a control means that calculates a standard injection time based on the target number of revolutions of the engine and a standard injection amount being a fuel injection amount of the engine and corrects the standard injection time based on at least a correction amount, and a fuel injection control unit calculates a coolant correction amount based on the target number of revolutions, the standard injection amount, and a coolant temperature of the engine, and when the coolant temperature is less than a first predetermined temperature, the fuel injection control unit corrects the standard injection time only based on the coolant correction amount.

Abstract: A system, method, and computer-readable medium for enhancing troubleshoot log analysis. More specifically, in certain embodiments, a management suite error log analysis system enables users, including engineers and technical support personnel to quickly and effectively determine a root cause of an error and to suggest possible solutions to the error.

Abstract: Systems and methods for managing cold-crank events. In an embodiment, a method may include detecting a cold-crank event and setting a switching circuit to a non-conductive state, where the switching circuit is configured to couple a first regulator to a memory circuit such that setting the switching circuit to the non-conductive state de-couples the memory circuit from the first regulator. The method may also include setting the switching circuit to a conductive state in current limitation mode during a recovery period following the cold-crank event to re-couple the memory circuit to the first regulator. In another embodiment, an electronic device include a switching circuit, a first regulator coupled to a first terminal of the switching circuit, a second regulator coupled to a second terminal of the switching circuit, a logic circuit coupled to the switching circuit, and a memory circuit coupled to the second terminal of the switching circuit.

Abstract: Methods and systems for mapping repairs orders within a database are described. Mapping a repair order can include generating a searchable data record with multiple data record fields. Each data record field can include a term located on the repair order or a standard term associated with the term on the repair order. In order to retrieve repair orders from the database, the data records can be searched using search criteria that match standard terms storable in the data record fields. Although the repair orders can be searched to find repair orders with terms that match the search criteria, the search may be carried our more efficiently (e.g., quicker) by searching the data records instead of the repair orders. One or more repairs orders can be associated with real-fix tips. Phrases of the real-fix tips can be selected automatically based, for example, or RO terms recited on the repair orders.

Abstract: An air-fuel ratio sensor is provided in an exhaust passage of an internal combustion engine which can perform fuel cut control, and detects an air-fuel ratio of exhaust gas. The system calculates the response time of the air-fuel ratio sensor based on a changing output value of the air-fuel ratio sensor while performing or after fuel cut control, and compares the calculated response time and a threshold value to diagnose an abnormality. The abnormality diagnosis system is configured to correct the response time so that the response of the air-fuel ratio sensor is treated as becoming faster, the smaller the lean degree of the air-fuel ratio corresponding to the converged value of the air-fuel ratio sensor during fuel cut control; and diagnose an abnormality in the response of the air-fuel ratio sensor based on the corrected calculated response time and threshold value.

Abstract: In a watercraft, an engine rotational speed sensor detects a rotational speed of an engine. A determining section determines if a prescribed execution condition indicating that a hull body is moving is satisfied. A filter processing section applies a filter process to the engine rotational speed detected by the engine speed sensor to acquire a filtered engine rotational speed. A control section executes a maximum speed limiting control to limit a maximum speed of the watercraft when the prescribed execution condition is satisfied and the filtered engine rotational speed is larger than a prescribed rotational speed threshold value.

Abstract: A method for assessing a cold start emission reduction (CSER) strategy applied to an engine system is provided. The method determines a first accumulation value based on an estimated output signal that would result from applying a first control command to the engine system. The method determines a second accumulation value based on a measured output signal resulting from applying a second control command that implements the CSER strategy to the engine system. The method compares the first accumulation value and the second accumulation value. The method determines whether the applying the second command to the engine system achieved a performance threshold of the CSER strategy based on the comparing.

Abstract: An in-vehicle sensor (1) connected to a communication bus CAN includes a bus connection connector (40) including external communication terminals T3, T4, and external setting terminals T5, T6 each of which is brought into one of a plurality of connection states; judgment means S1-S7 for judging the connection states of the external terminals for setting T5, T6 when electric power is supplied in a state in which the bus connection connector (40) is connected to the communication bus CAN; identifier generation means S8 for generating an identifier ID of the in-vehicle sensor (1) based on the judged connection states; a nonvolatile storage section (11) for storing the identifier ID; communication means (10) for performing communications through the communication bus CAN using the stored identifier ID; and storing means S9 for storing a first generated initial identifier IDS in the storage section (11) as the identifier ID.

Abstract: A calibration fixture for use during a calibration procedure of a machine vision vehicle wheel alignment system. The calibration fixture consists of a pair of support legs, and a rotating transverse bar supported within an outer support tube secured between the support legs. The rotating transverse bar is supported within the outer support tube by a pair of annular bearings adjacent each end of the outer support tube, and is isolated from external influences which may result in deflection or distortion. A hub for receiving a sensor or optical target is secured to each end of the rotating transverse bar, such that optical targets mounted to each hub are maintained in axial alignment at opposite ends of the rotating transverse bar.

Abstract: A method is disclosed for determining, between an initiating device and at least one responding device, a reference time for the execution of at least one task on one of the devices. The method includes the initiating device prompting at least one responding device to provide a respective desired reference time. The method further includes at least one responding device providing a respective desired reference time, in response to the prompting. An actual reference time is determined based on any desired reference times provided. In one embodiment, the actual reference time is the latest of all desired reference times. A system including the initiating device and a responding device is also disclosed.

Abstract: A diagnostics method and system for a power plant including at least one low-pressure turbocompressor and at least one high-pressure turbocompressor, the turbocompressors being staged and supplying an internal combustion engine, the power plant being fitted to a motor vehicle. The method includes determining a mode of operation of the power plant, determining a power of the high-pressure turbine based on a first set of data and based on the mode of operation, determining the power of the high-pressure turbine based on a second set of data, determining a failure criterion as being the ratio between the power of the high-pressure turbine dependent on the first set of data and the power of the high-pressure turbine dependent on the second set of data, and comparing the failure criterion against stored values to determine whether there is a failure.

Abstract: A reset signal control apparatus outputs a reset signal to a microcomputer to restrict a malfunction of the microcomputer when the microcomputer is started. The reset signal control apparatus outputs the reset signal to the microcomputer at least until a clock signal provided by an oscillation circuit and based on which the microcomputer operates is stabilized. The reset signal control apparatus includes a power supply section, a measuring section, and an output ending section. The power supply section supplies a power to the oscillation circuit and the microcomputer. The measuring section measures a consumption current of the oscillation circuit and the microcomputer. The output ending section determines that the clock signal provided by the oscillation circuit is stabilized and ends an output of the reset signal to the microcomputer when the consumption current becomes equal to or higher than a predetermined threshold value.