F02N2200/0807

ISG control system for construction machine and ISG control method for construction machine

The present disclosure relates to an ISG control system and an ISG control method for a construction machine capable of controlling ISG even in a working state of a construction machine, the ISG control system including: a surrounding environment determinator configured to determine surrounding environment of the construction machine; and a vehicle controller configured to determine whether the construction machine is in a working state or a traveling state based on a determination result from the surrounding environment determinator, wherein the vehicle controller controls an engine based on a preset work ISG condition when it is determined that the construction machine is in the working state, and wherein the vehicle controller controls the engine based on a preset travel ISG condition when it is determined that the construction machine is in the traveling state.

Prediction of driver's intention to stop for engine start/stop

A predictive driver intention to stop (DITS) system for a vehicle having an engine includes one or more sensors configured to measure a set of operating parameters of the vehicle including at least (i) vehicle speed and (ii) vehicle deceleration rate. A controller is configured to identify no-stop braking events and complete stop braking events, and reference a generated baseline probability table indicating a probability of a driver braking to bring the vehicle to a stop, based on at least the vehicle speed and vehicle deceleration rate measured during at least one of the identified no-stop braking events and complete stop braking events. The controller is further configured to predict a DITS event based on the generated baseline probability table, and control operation of the engine based on the predicted DITS event to facilitate reducing vehicle fuel consumption and/or tailpipe emissions.

IGNITION SYSTEM WITH SINGLE ACTION START FAULT CORRECTION
20170335818 · 2017-11-23 ·

A method of enabling operation of an ignition system for outdoor power equipment may include monitoring status of a plurality of switches associated with respective components of the equipment where at least one of the respective components corresponds to one or more binary start fault operators, and setting a start enabling status for the one or more 5 binary start fault operators responsive to actuation of a start fault clearance operator.

Brake control for stop/start vehicle

A vehicle includes an engine having auto-stop and auto-start conditions. The vehicle additionally includes a braking system having an auto-hold function. The auto-hold function is configured to, after braking the vehicle to a full stop, automatically apply braking torque independent of a brake pedal position. The vehicle further includes a controller configured to, in response to the engine being in the auto-stop condition, the auto-hold function automatically applying braking torque, and a gear shifter being moved out of a gear other than PARK, maintain the engine in the auto-stop condition.

ISG CONTROL SYSTEM FOR CONSTRUCTION MACHINE AND ISG CONTROL METHOD FOR CONSTRUCTION MACHINE
20210405645 · 2021-12-30 · ·

The present disclosure relates to an ISG control system and an ISG control method for a construction machine capable of controlling ISG even in a working state of a construction machine, the ISG control system including: a surrounding environment determinator configured to determine surrounding environment of the construction machine; and a vehicle controller configured to determine whether the construction machine is in a working state or a traveling state based on a determination result from the surrounding environment determinator, wherein the vehicle controller controls an engine based on a preset work ISG condition when it is determined that the construction machine is in the working state, and wherein the vehicle controller controls the engine based on a preset travel ISG condition when it is determined that the construction machine is in the traveling state.

Control system for a vehicle and method
11407416 · 2022-08-09 · ·

A motor vehicle stop/start control system for controlling at least a portion of a powertrain of a vehicle, the system being configured to: receive speed information indicative of vehicle speed; and receive brake information indicative that a braking system has been activated to apply brake torque; wherein the control system is further configured to cause an engine of the motor vehicle to be switched off when a first set of predetermined conditions are met, the first set of conditions including the conditions that the brake information indicates that the braking system is active and the speed information indicates that vehicle speed is a below a predetermined engine-off speed, the engine-off speed being determined by the control system at least in part by reference to information received by the control system.

Restarting method and restarting assembly for starting an internal combustion engine of a motor vehicle

The invention relates to a restarting method for automatically starting an internal combustion engine (2) of a motor vehicle (3) by means of a brake pedal actuation, comprising the following steps: detecting a brake pressure (p) by means of a brake pressure sensor (14); emitting a corresponding brake pressure signal sequence to a control device (13); determining a brake pressure profile (p.sub.pr) from the brake pressure signal sequence; determining a reference pressure value (p.sub.R) from the brake pressure profile; detecting a brake release status, wherein, with the release of a brake pedal, a brake pressure decrease (Δp) is detected based on the determined reference pressure value (p.sub.R), with said decrease exceeding a pressure decrease limit value (Δp.sub.G); emitting a starting signal (S.sub.WS) to a starter (15) for starting the internal combustion engine (2), if the brake release status has been detected. The invention also relates to a restarting assembly for a motor vehicle (1) for carrying out a method of this type.

CONTROL SYSTEM FOR A VEHICLE AND METHOD
20210245754 · 2021-08-12 ·

A motor vehicle stop/start control system for controlling at least a portion of a powertrain of a vehicle, the system being configured to: receive speed information indicative of vehicle speed; and receive brake information indicative that a braking system has been activated to apply brake torque; wherein the control system is further configured to cause an engine of the motor vehicle to be switched off when a first set of predetermined conditions are met, the first set of conditions including the conditions that the brake information indicates that the braking system is active and the speed information indicates that vehicle speed is a below a predetermined engine-off speed, the engine-off speed being determined by the control system at least in part by reference to information received by the control system.

SYSTEM AND METHOD FOR PREDICTING NEGATIVE PRESSURE OF BRAKE BOOSTER OF VEHICLE
20210197789 · 2021-07-01 ·

A system for predicting a negative pressure of a brake booster of a vehicle includes: a driving information detector configured to detect driving information according to driving of the vehicle; and a controller configured to calculate a negative pressure of an intake manifold based on a pressure of the intake manifold and an atmospheric pressure that is the driving information and including a booster negative pressure predictor configured to predict the negative pressure of the brake booster by integrating over time a change rate according to a charging rate and a discharging rate of the negative pressure calculated using a previous negative pressure of the brake booster calculated in a previous cycle according to a logic for predicting the negative pressure of the brake booster and the negative pressure of the intake manifold and a brake pedal force of a current cycle.

SYSTEM AND METHOD FOR PREDICTING NEGATIVE PRESSURE OF BRAKE BOOSTER OF VEHICLE

A system for predicting a negative pressure of a brake booster of a vehicle includes: a driving information detector detecting driving information related to driving of the vehicle; and a controller determining a negative pressure of an intake manifold based on a pressure of the intake manifold and an atmospheric pressure which is the driving information and including a booster negative pressure predictor predicting the negative pressure of the brake booster by integrating over time a change rate according to a charging rate and a discharging rate of the negative pressure determined using a negative pressure of the brake booster determined in a previous cycle according to a logic for predicting the negative pressure of the brake booster and the negative pressure of the intake manifold of a current cycle and an imitated brake pedal force signal of the current cycle imitating an acceleration of the vehicle.