A control system for an engine includes: a valve that adjusts an intake air filling amount for a cylinder according to an operation amount of an accelerator pedal; a sensor that outputs a measurement signal related to a temperature of an upper end of a cylinder head having an intake port and an…
An electronic throttle control method by which an electronic control unit (ECU) controls opening and closing of a throttle while providing a control signal on a basis of an input data signal may include calculating, via the ECU, i) an engine revolution speed deviation from a difference between an…
An engine control device includes that controls an air excess rate of each of N (an integer of 2 or more) cylinders by controlling an intake air amount and a fuel injection amount of each of the N cylinders; and a determination unit for determining whether or not there is a request to switch the…
Systems and methods are provided for providing redundant pulse-width modulation (PWM) throttle control. The system includes a manual throttle controller configured to generate a manual PWM throttle control signal, and an automated throttle control system. The automated throttle control system…
A method and a device for operating an internal combustion engine including a first air duct for supplying air to a cylinder and a second air duct for supplying air to a heater for heating an exhaust system. The first and second air ducts each have a control element for controlling the amount of…
Systems and methods are provided for providing redundant pulse-width modulation (PWM) throttle control. The system includes a manual throttle controller configured to generate a manual PWM throttle control signal, and an automated throttle control system. The automated throttle control system…
A throttle-controlled intake system is disclosed that provides a driver of a vehicle with greater control over engine functions and vehicle performance. The throttle-controlled intake system includes a control module that is coupled with an aircharger air intake. The control module processes input…
Disclosed is a method for controlling combustion in an internal combustion engine including, on the one hand, an air inlet pipe provided with an air flow regulator in the pipe and, on the other hand, a single cylinder associated with the regulator, and including the following steps: determining the…
A fugitive gas detection system is provided. The system includes a cloud service, a plurality of reach-based components, a plurality of wireless gas sensors. The reach-based components comprise backhauls and gateways. The wireless gas sensors are acted as nodes to acquire sensor data in a local…
A fugitive gas detection system is provided. The system includes a cloud service, a plurality of reach-based components, a plurality of wireless gas sensors. The reach-based components comprise backhauls and gateways. The wireless gas sensors are acted as nodes to acquire sensor data in a local…
Methods, systems and devices for evaluating incoming air to an engine, industrial controller including engine controls, valves and solenoids, for concentrations of explosive or combustible gases or vapors, and actuating process control including but not limited to shutting down an engine or other…
A throttle assembly for an engine may include a remote throttle lever, a sensor, and a terminal. The remote throttle lever may be coupled physically to a user input device and operable to be moved under control of the user input device. The sensor is configured to detect a position of the remote…
A method for operating an internal combustion engine based on a control of a supplied fresh air quantity, the method comprising the following steps: implementing an adjustment of a throttle valve for the control of the supplied fresh air quantity as a function of a setpoint mass flow via the…
Methods and systems for operating an engine during conditions where ambient humidity changes over time are presented. In one non-limiting example, an engine airflow is adjusted to increase engine airflow during high humidity conditions such that an engine may provide equivalent torque output during…
Methods and systems are provided for diagnosing an intake oxygen sensor. In one example, a method may include indicating degradation of an intake oxygen sensor based on a first time constant of an output of the intake oxygen sensor and a second time constant of an output of a throttle inlet…
A control device causes the engine to start with a throttle valve being set to a first throttle position when required power required in an engine is smaller than a first threshold value and a detected fuel pressure detected by a low-pressure fuel sensor is lower than a second threshold value. The…
A fresh air and exhaust gas control method and system for an engine air system with an air throttle and exhaust gas recirculation (EGR) valve. The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based…
Various methods and systems are provided for controlling exhaust gas recirculation in an engine 104. One embodiment for a system comprises an engine having first and second cylinder groups 105,107, and an exhaust gas recirculation (EGR) passage 162 coupled between the first cylinder group and an…
A saddle riding type vehicle driven by a straddling rider includes an engine having a combustion chamber, an inlet pipe for introducing a fuel-air mixture into the combustion chamber, an air throttle valve attached to the inlet pipe for adjusting quantity of the fuel-air mixture supplied to the…
A control device 100 of an internal combustion engine has a control unit that controls an amount of an intake-air, which is a gas before being taken into a combustion chamber 13 of an internal combustion engine 5, so that either when a specific component other than an oxygen is removed from the…
A method for stopping a thermal engine of a motor vehicle is described, wherein, when a stop request is issued while the engine is still running, the step of closing the EGR valve is carried out followed first by the step of closing air intake to the engine plenum and then by the step of cutting…
An object of the invention is to provide a feedback control system that calculates a P term and an I term on the basis of a deviation between a target value and a measured value of a control amount, and calculates a correction amount to be applied to an operation amount of a control subject on the…
System for calculating a volumetric filling coefficient ( · VOL ) of an internal combustion engine (IC), wherein the volumetric filling coefficient ( · VOL ) is calculated as a function of a pseudo-density (gD) of the engine intake gases and of an engine speed of rotation (rpm).
System for controlling an internal combustion engine having at least a cylinder and its respective piston and realizing at least an exhaust step of discharging the exhaust gases and a subsequent intake step of sucking substantially fresh gases, comprising a processing means configured to estimate a…
The invention relates to a control device of an internal combustion engine for calculating, on the basis of the air-fuel ratio difference a correction for the estimated fuel supply amount correction for correcting the estimated fuel supply amount to make the estimated and detected air-fuel ratios…
An ECU 70 is provided to an engine 50 including a TCV 57 that changes a tumble flow generated inside a cylinder and being configured to be capable of securing a cooling of a cylinder block 51 and suppressing an occurrence of a cooling loss in a cylinder head 52. The ECU 70 includes a control unit…
The internal combustion engine (1) has a throttle (23) for controlling an intake air amount and performs start-up through cranking. The starter switch (36) detects cranking initiation, and the crank angle sensor (33, 34) detects the number of revolutions of the engine. The controller (31) drives…
An engine includes a main passage in which a throttle valve is provided, and first and second bypass passages that bypass the throttle valve. The engine further includes a valve device capable of opening and closing the first and second bypass passages. Both of the first and second bypass passages…
An engine includes: an intake passage through which air is guided to a combustion chamber; a first valve disposed in the intake passage; and an ECU that controls the first valve. The ECU includes: a first control section that keeps an opening of the first valve at an opening equal to or smaller…
A four-stroke internal combustion engine includes: an intake passage through which air is guided to a combustion chamber; an intake valve that opens and closes communication between the combustion chamber and the intake passage; a fuel injection device through which a fuel is injected to the intake…