A hybrid electric vehicle (HEV) includes an internal combustion engine, an electric traction motor, and a motor/generator configured to drive the internal combustion engine or be driven by the internal combustion engine to generate electricity to charge a high voltage battery and/or drive the…
A control apparatus for a vehicle that includes (i) drive wheels, (ii) an engine, (iii) a filter configured to collect particulate matters contained in exhaust gas of the engine, (iv) a fluid transmission device provided in a power transmission path between the engine and the drive wheels and (v) a…
An internal-combustion engine control device and a filter regeneration method according to the present invention are used for an internal-combustion engine fueled by gasoline and including a filter that traps particulate matter in exhaust gas. When regeneration of the filter is required, fuel cut…
A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive information comprising a temperature regarding a filter of the aftertreatment system; and responsive to determining that the temperature regarding the filter…
An engine having a throttle valve, a filter for collecting an exhaust particulate matter from the engine, and a control device are provided, and the control device includes an acquisition unit for acquiring a temperature of the engine, a regeneration control unit for increasing an opening degree of…
A filter regeneration control device includes a fuel supply controller configured to stop, when there is a forced regeneration request for burning particulate matter collected in a filter provided in an exhaust passage of an engine that is a traveling power source of a vehicle while the vehicle is…
A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive a particulate filter regeneration event trigger; receive information, the information comprising a temperature regarding the particulate filter; determine the…
A CPU is configured to executes a filter regeneration process, a firing process, and a stopping process. The CPU is configured to stop rotation of a crankshaft of an internal combustion engine mounted on a vehicle on the condition that the vehicle is decelerating after termination of the firing…
A controller for controlling regeneration in an aftertreatment system comprising a first leg and a second leg is configured to: determine whether regeneration is permitted by the engine based on engine operating parameters; in response to regeneration being permitted, determine whether regeneration…
Systems and methods for operating an engine that includes an exhaust system with a carbonaceous soot trap described. In one example, a carbonaceous soot load estimate for the carbonaceous soot trap is performed when a differential pressure sensor is degraded. The carbonaceous soot estimate may be…
A CPU prompts a user to drive a vehicle to a repair shop by operating a display when an amount of PM deposited in a GPF increases. When a regeneration request for the GPF is input from a shop-side terminal in the repair shop, the CPU performs a regeneration process in a state in which the vehicle…
When an amount of particulate matter (PM) collected by a gasoline particulate filter (GPF) reaches a predetermined amount, a central processing unit (CPU) executes a regeneration process for regenerating the GPF. That is, the CPU stops supply of fuel to any one of cylinders #1 to #4, while…
A method includes operating an engine system including a plurality of cylinders, a plurality of fuel injectors configured to provide fuel the plurality of cylinders, a compression braking system configured to selectably brake at least a first set of the plurality of cylinders, and an exhaust…
Provided is a diesel engine capable of regenerating a DPF even during no-load and/or light-load operation. In a DPF regeneration process, opening-degree reduction control S for an exhaust-air throttle valve is performed after a start condition S of the regeneration process of the DPF in which PM is…
Disclosed are methods and systems for monitoring a diesel generator system that includes a DPF filter in order to provide a highly efficient approach for monitoring the status of a DPF filter in order to determine if a regeneration is required. The methods and systems not only permit the ongoing…
A control system is provided for a diesel particulate filter (DPF) system of a diesel engine configured for operation in an off-highway vehicle. The control system includes a controller configured to receive a signal corresponding to a fill state of the DPF being at or above a first threshold. The…
A method for controlling a vehicle propulsion system. More particularly, the method estimates a future, upcoming driving condition and controls the vehicle propulsion system to operate the prime mover in a specific operation mode based on a determined regeneration level of a particle filter for the…
A control unit () calculates a temperature difference (ΔTg). The temperature difference (ΔTg) is a value obtained by subtracting the temperature (Tg) of a GPF () from a target GPF temperature (Tgt). If the temperature difference (ΔTg) is less than or equal to zero, the control unit () implements a…
An improved method for performing a conditioning process for a particulate filter, preferably adapted for an aftertreatment system arranged downstream of an internal combustion engine. The proposed method provides for conditioning of a filter under controlled conditions such that the filter may…
A controller is configured to control an internal combustion engine. The controller is configured to execute a catalyst temperature-increasing control of increasing a temperature of the three-way catalyst device by introducing air-fuel mixture, which contains the fuel injected by a fuel injection…
An internal combustion engine () is provided with an exhaust particulate filter () disposed in an exhaust passage (). When the particulate deposition amount and the temperature of the exhaust particulate filter () meet a predetermined excessive temperature rise condition, fuel cut during…
Methods and systems are provided for regenerating an aftertreatment device of a vehicle. In one example, a method may include adjusting conditions of the regeneration in response to a stickiness of the exhaust valve. Adjusting conditions may include adjusting an air/fuel ratio and/or a…
Various embodiments of monitoring systems and methods are disclosed herein to monitor particulate accumulation within a bake chamber configured to thermally treat substrates, and determine when the bake chamber requires cleaning. Embodiments of the disclosed monitoring system may generally include…
An engine control device that can suppress thermal degradation of a particulate filter is provided. The device executes a fuel injection control module that restricts the supply of fuel by an injector if a fuel cutting condition is satisfied, an accumulation estimation module that estimates the…
A method for heating a first exhaust gas purification device and a second exhaust gas purification device of an exhaust system of an internal combustion engine of a motor vehicle, has the following steps: determining a first actual temperature of the first exhaust gas purification device and a…
In a method for controlling a mobile work machine driven by a diesel engine (2) with a soot particle filter, with an engine control, with a vehicle control (8) and detection means for a fill level of the soot particle filter as well as the soot particle filter temperature, the vehicle control (8)…
A controlled engine shutdown method is disclosed that includes monitoring exhaust system temperature, monitoring operator shutdown commands, and delaying engine shutdown based on exhaust system temperature. The method can include inhibiting any process that affects exhaust temperatures, for example…
The method involves implementing a thermal engine to a regeneration idle speed that is greater than a standard idle speed to increase a temperature of exhaust fumes circulating inside an exhaust line upstream of a particle filter according to a flow direction of the exhaust fumes inside the exhaust…
A soot emission estimation method and arrangement for a diesel engine for estimating the amount of soot generated in a combustion chamber of the diesel engine. The method comprises the steps of: providing values for speed and load by measuring the engine speed and the fuel injection amount…
The method involves realizing a simple engine operating cycle comprising a main fuel injection step (PRINC) and not having a post-injection step (POST). A combined engine operating cycle comprising both the main fuel injection step and the post-injection step is realized. Total amount of fuel…