F02D41/0225

Control method for ISG of vehicle provided with manual transmission and vehicle of which the control method is applied

A control method of controlling an idle stop-and-go (ISG) function of a vehicle provided with a manual transmission includes: determining, by a controller, whether an ISG function activation condition is satisfied based on vehicle running state information of the vehicle; stopping an engine, by the controller, when the ISG activation condition is satisfied; determining, by the controller, whether a first starting condition in which a shift stage of the manual transmission is a neutral stage is satisfied; determining, by the controller, whether a second starting condition in which a shift stage of the manual transmission is a driving stage is satisfied; and restarting, by the controller, the engine when the first starting condition or the second starting condition is satisfied. The vehicle running state information includes: an operation information of the manual transmission and a clutch pedal, and current and recorded vehicle speeds of the vehicle.

METHOD FOR DIAGNOSING FAILURE OF COLD START EMISSION REDUCTION SYSTEM AND VEHICLE THEREOF
20220076507 · 2022-03-10 · ·

A method for diagnosing failure of a cold start E/M reduction system confirms the change in the torque reserve compared to the torque reserve confirmed for the ignition timing upon cold start by any one of an operation of an electric load device, an operation of an alternator, an operation of a purge valve, an operation of an air conditioner, a shift state of a transmission, and a coolant temperature state of an engine, and confirms the failure or normality of any one of the electric load device, the alternator, the purge valve, and the air conditioner is normal or failed using the change in the torque reserve to apply the confirmed result to determine whether the cold start E/M reduction system is abnormal, securing failure diagnosis accuracy for the components for the cold start E/M reduction.

APPARATUS FOR ACTIVE ENGINE IDLE CONTROL
20230392563 · 2023-12-07 ·

In an approach to active engine idle control, an apparatus comprises: an accelerator module interface; an engine control module (ECM) interface; a computer readable storage media; and a controller. The controller is configured to: determine an engine speed target for a vehicle engine in revolutions per minute (RPM) based on an electrical load on the vehicle; determine a voltage curve for one or more position sensors of an accelerator module in the vehicle; determine a voltage target for the ECM for each position sensor of the one or more position sensors; and responsive to a first signal that the apparatus is engaged and a second signal that the vehicle is stopped, set an input voltage to the ECM at the voltage target for each of the one or more position sensors.

Method for Operating an Internal Combustion Engine of a Motor Vehicle With an Automatic Transmission

In a method for operating an internal combustion engine of a motor vehicle having an automatic transmission, a torque generated by the internal combustion engine is reduced as a function of an operating state of a drive train of the motor vehicle. As a function of an excess of combustion air occurring when the torque is reduced and supplied to the internal combustion engine by an exhaust gas turbocharger, fuel combustion efficiency in at least one combustion chamber of the internal combustion engine, which is related to the torque generated by the combustion chamber, is reduced. The combustion efficiency is reduced by at least one late post-injection of fuel into the at least one combustion chamber of the internal combustion engine.

Vehicle

When controlling a driving source torque in order to accelerate a driving wheel, a driving source torque controller performs shock suppression control of controlling the driving source torque based on an acquired driving source torque so that at least one of (i) an absolute value of relative speed between power transmission members on a power transmission path decreases when backlash between the power transmission members decreases or (ii) a transmission torque which is transmitted between the power transmission members on the power transmission path decreases when the backlash between the power transmission members is eliminated.

VEHICLE CONTROL DEVICE
20210237719 · 2021-08-05 ·

A brake controller operates PTC when an obstacle sensor detects an obstacle ahead, a vehicle speed sensor detects a vehicle speed equal to or lower than a predetermined vehicle speed, and an operation of an accelerator pedal equal to or greater than a predetermined depression amount is detected. When detection of the obstacle ahead is lost while the PTC is operating and the PTC is to be cancelled, the brake controller operates a power limiting control if a depression operation of the accelerator pedal is detected. The power limiting control limits an engine power to cause acceleration to be lower than a requested acceleration corresponding to a depression amount of the accelerator pedal.

Throttle system

Disclosed is a throttle quadrant arrangement utilizing a single throttle lever. The single lever is independently mechanically connected to three Rotary Variable Differential Transformers (RVDTs). Failure points are engineered into the design such that when one of the mechanical jams, the mechanical connection to the other two RVDTs will not be compromised.

Control apparatus for vehicle

A control apparatus for a vehicle includes an input-rotation limiting portion configured, when the vehicle starts running and is accelerated, to calculate an estimated speed value that is a speed value of an input rotational speed of an automatic transmission upon elapse of a predetermined length of time, and to calculate an estimated force value that is a force value of a piston pressing force acting on a piston in a forward direction in a released engagement device upon the elapse of the predetermined length of time, based on a centrifugal hydraulic pressure in a pressure chamber of the released engagement device and the centrifugal hydraulic pressure in a canceller chamber of the released engagement device. When the estimated force value is not smaller than a predetermined threshold, the input-rotation limiting portion restrains an increase of the input rotational speed.

Systems and methods for utilizing cylinder deactivation when a vehicle is in a reverse operating mode

A controller for a vehicle includes at least one processor and at least one memory storing instructions that, when executed by the processor, cause the controller to perform various operations. The operations include determining that the vehicle is in reverse and in response, initiating a cylinder deactivation mode for an engine of the vehicle.

INFORMATION OUTPUT DEVICE, AND INFORMATION OUTPUT METHOD
20210201605 · 2021-07-01 ·

This information output device is provided with: a detecting unit for detecting a rotational speed of an engine mounted in a vehicle; a storage unit for storing historical information indicating the history of a state in which the rotational speed was less than the rotational speed of the engine when idling; a storage control unit for causing the storage unit to store the historical information; and an output unit for outputting the historical information being stored by the storage unit.