Abstract: An apparatus and a method for controlling vehicle suspension, which controls a variable damper in consideration of virtual tire damping, may include a variable damper which is installed between a vehicle body and a wheel, a first acceleration sensor which is installed at each corner of the vehicle body to measure a vehicle body corner vertical acceleration, a second acceleration sensor which is installed to each wheel to measure a wheel vertical acceleration, and a controller that estimates a road surface roughness based on the vehicle body corner vertical acceleration and the wheel vertical acceleration, determines a virtual tire damping required damping force based on the estimated road surface roughness, and adjusts a damping force of the variable damper based on the determined virtual tire damping required damping force.

Abstract: A gas turbine engine article includes a silicon-containing ceramic wall that has an external combustion gaspath side and an internal side that borders a cooling air cavity. The external combustion gaspath side has an associated combustion gas flow direction there along. An array of cooling holes extends through the silicon-containing ceramic wall and connects the internal side with the external combustion gaspath side. The cooling holes are oriented to discharge cooling air to the external gaspath side in a direction counter to the combustion gas flow direction.

Abstract: Methods and systems are provided for maintaining combustion stability in a multi-fuel engine. In one example, a system may include first and second fuel systems to deliver liquid and gaseous fuels, respectively, to at least one cylinder of the engine, and a controller. The controller may be configured to supply the gaseous fuel to the at least one cylinder, inject the liquid fuel to the at least one cylinder to compression ignite the liquid fuel and combust the gaseous fuel in the at least one cylinder, and retard an injection timing of the injection of the liquid fuel based on a measured parameter associated with auto-ignition of end gases subsequent to the compression-ignition of the liquid fuel. In some examples, the controller may further be configured to adjust an amount of the gaseous fuel relative to an amount of the liquid fuel based on the measured parameter.

Abstract: A damping control device includes a control force generating device and a controller. The controller is configured to acquire road surface displacement related values related to a plurality of road surface displacements in a predetermined sampling zone, acquire an amplitude index indicating a magnitude of an amplitude of the sampled values, determine an operation delay period of the control force generating device based on the magnitude of the amplitude indicated by the amplitude index, calculate target control force for reducing vibration of a vehicle body based on the road surface displacement related values at a predicted passing position where a wheel is predicted to pass after an elapse of the operation delay period from a current time, and transmit, to the control force generating device, a control command for causing the control force generating device to regulate the control force to agree with the target control force.

Abstract: An example hybrid power system includes a mobile platform comprising: a generator set comprising: a reciprocating engine configured to convert natural gas into rotational mechanical energy; and a generator configured to convert rotational mechanical energy sourced from the reciprocating engine into electrical energy; an electrical energy storage system (ESS) configured to store electrical energy; an electrical motor configured to convert electrical energy sourced from a combination of the generator set and the ESS into rotational mechanical energy; and a pump configured to operate using rotational mechanical energy sourced from the electrical motor.

Abstract: A computer includes a processor and a memory, and the memory stores instructions executable by the processor to receive sensor data indicating an obstacle, formulate a first control barrier function for a vehicle based on the sensor data, formulate a second control barrier function for a trailer hitched to the vehicle based on the sensor data, determine a control input based on the first and second control barrier functions, and actuate a component of the vehicle according to the control input.

Abstract: It is disclosed an electronic device to control an ignition coil of an internal combustion engine, comprising a high-voltage switch, a driving unit, a bias circuit and an integrating circuit. The high-voltage switch is connected in series with a primary winding of a coil. The driving unit is configured to control the closing and opening of the high-voltage switch. The integrating circuit is interposed between the bias circuit and a reference voltage. The integrating circuit comprises an integrating capacitor connected in series to the bias circuit and connected between the bias circuit and the reference voltage. The integrating capacitor is configured to maintain a substantially null charge during a phase of measurement of a ionization current as to measure a substantially null value of an integral of the ionization current, in the case of a misfire of the comburent-combustible mixture.

Abstract: A braking arrangement for a vehicle includes a source of compressed air, a drive axle for the vehicle, a brake associated with the drive axle and connected to the source of compressed air by an air line, an operator controlled valve in the air line between the source of compressed air and the brake, a proportioning valve in the air line between the operator controlled valve and the brake. A compressor is driven by the drive axle or a drive shaft of the vehicle and has an outlet connected to a control port of the proportioning valve.

Abstract: A fuel management system including a fuel pump and a flow meter to transfer and control remaining amounts fuel among fuel tanks mounted on a hull of a marine vessel includes first fuel flow channels corresponding to the fuel tanks to connect the fuel tanks to an upstream side of the fuel pump and the flow meter, and second fuel flow channels corresponding to the fuel tanks to connect the fuel tanks to a downstream side of the fuel pump and the flow meter.

Abstract: A condition monitoring system includes a monitoring terminal, an acceleration sensor, and a data processor. The data processor calculates a diagnostic parameter from data measured by the acceleration sensor, determines a degree of damage to a bearing or a gear included in a wind turbine generator based on the diagnostic parameter, and controls the monitoring terminal to show information indicating a degree of suppression of electric power generated by the wind turbine generator in accordance with the degree of damage to the bearing or the gear.

Abstract: An injection control device opens and closes a fuel injection valve by driving the fuel injection valve with a current to control fuel injection to an internal combustion engine. The injection control device includes: a booster circuit that boosts a battery voltage; a boosting control unit that performs boosting control on the booster circuit; and a charge control setting unit that sets charge permission or charge prohibition for the booster circuit to the boosting control unit.

Abstract: Methods and systems are provided for operating an engine having a plurality of cylinders that utilize oil for lubrication purposes. In one embodiment, a method for the engine may include determining if one or more conditions have been met for port heating based on one or more operating conditions of the engine, continuing current operation if the one or more conditions for port heating have not been met, and determining a souping level of the engine if the one or more conditions for port heating have been met and subsequently running port heating on a set of cylinders of the engine based on the souping level of the engine and/or the one or more conditions for port heating. The engine may be a non-EGR engine and/or a high speed diesel engine. Each cylinder of the set of cylinders may have at least one port.

Abstract: The present invention relates to a method of determining the wind speed in the plane of a rotor (PR) of a wind turbine (1), by measuring (MES2) the rotational speed of the rotor, the angle of the blades and the generated power. The method according to the invention uses a wind turbine model (MOD) constructed from wind speed measurements (LID), and by use of measurement clustering (GRO) and regressions (REG).

Abstract: Disclosed is an ammonia-hydrogen blended fuel control system based on reactivity regulation. The control system comprises a vehicle-mounted ammonia-hydrogen fuel supply system, an ammonia-hydrogen blended fuel premixed combustion engine and an ECU (Electronic Control Unit). The ECU is used for regulating the air injection amount and pressure value of ammonia fuel and hydrogen waiting to enter the ammonia-hydrogen blended fuel premixed combustion engine. The vehicle-mounted ammonia-hydrogen fuel supply system comprises a low-pressure liquid ammonia supply unit and a vehicle-mounted hydrogen production unit, and is used for providing the prepared low-pressure ammonia fuel and hydrogen for the ammonia-hydrogen blended fuel premixed combustion engine. The ammonia-hydrogen blended fuel premixed combustion engine comprises a turbulent jet ignition device provided with a pre-chamber. An ammonia injector and a first hydrogen injector which face the cylinder head are respectively arranged on the air inlet pipe.

Abstract: A start-up method of a mild hybrid system determines whether start-up is attempted through an MHSG in accordance with a request for start-up from a driver, compares an engine rpm at the end of cranking with a reference rpm in start-up using the MHSG, determines whether an engine rpm immediately after start-up follows an idle target rpm when the engine rpm at the end of cranking exceeds the reference rpm, checks whether there is an error in a cam angle sensor when poor following in which the engine rpm immediately after start-up does not follow the idle target rpm is generated, forcibly changes an engine state into cranking when the cam angle sensor has an error, and executes an existing backup crank logic that decreases a target rpm of the MHSG and finds out a fuel injection time while performing test injection using a signal from an crank angle sensor.

Abstract: A blower includes: a fan configured to generate a flow of air; a filter positioned upstream of the fan; a case covering a side surface of the filter and having a suction hole; a housing which is positioned opposite to the fan with respect to the filter, and to which the case is detachably coupled; a supporter coupled to one surface of the housing facing the filter and configured to support the filter; a light source disposed at the supporter and configured to provide light in an ultraviolet wavelength band to the fan; and a controller configured to control an operation of the light source, wherein the controller stops the operation of the light source when the case is separated from the housing or when the filter is separated from the supporter.

Abstract: Methods and systems are provided for estimation of a road roughness index (RRI) and adjusting vehicle operation based on the metric. In one example, a method may include estimating the RRI as a function of a pitch energy and a roll energy of the vehicle travelling on the road. In response to the RRI being higher than a threshold, engine operation such as EGR flow rate may be adjusted.

Abstract: An apparatus and a system are disclosed for preventing fuel starvation in an off-road vehicle that may be operated on a severely inclined surface. A vehicle having a fuel tank for a fuel delivery module disposed in the fuel tank. A fuel pump assembly is disposed in the fuel tank and a slip ring joint is assembled to the fuel delivery module. One or more tubes are assembled to the slip ring joint that extends and retracts relative to the slip ring joint toward and away from the walls of the fuel tank. A remote fuel pick-up is assembled to the tube so that when the vehicle is operated on an inclined surface, the remote fuel pick-up is extended and rotates inside the fuel tank to move toward and away from an inner surface of the fuel tank and follows the fuel contained in the fuel tank.

Abstract: An outboard motor includes an engine, a generator to generate power by driving of the engine, a driving force transmitter to transmit a driving force from the engine, a propeller shaft to rotate by being switched from a neutral state in which a clutch is disconnected from the driving force transmitter of the engine at idle to a non-neutral state in which the clutch is connected to the driving force transmitter, and a controller configured or programmed to perform a control to reduce a rotation speed of the engine by regeneration of the generator based on a user's switching operation on a shift operator to switch the outboard motor from the neutral state to the non-neutral state, and then connect the clutch to the driving force transmitter while rotating the engine.

Abstract: A method of making a wind turbine blade (10) having a shear web (20, 22) bonded between first and second half shells (16, 18) is described. The method involves providing a web locator (40) on an inner surface of a half shell. The web locator has a fixed portion (42) and a spring portion (44) extending from the fixed portion. The spring portion is moveable relative to the fixed portion between compressed and relaxed states.