Abstract: A method for controlling an internal combustion engine of a motor vehicle includes interrupting a fuel supply in an overrun mode of the motor vehicle above a switch-off rotational speed of the internal combustion engine. The fuel supply is switched on again when a starting rotational speed (n1) is reached or undershot. A brake pressure gradient of a brake system of the motor vehicle is detected and the starting rotational speed (n1) is varied as a function of the brake pressure gradient.

Abstract: A method for controlling deceleration of a motor vehicle having an internal combustion engine with an automated clutch, in which method, when a deceleration is present, a deceleration fuel cutoff is carried out in order to generate a drag torque as a drive torque if the engine speed is higher than a deceleration fuel cutoff threshold wherein when a braking request is present, the effect of the engine speed is evaluated, a comparison is carried out between the expected engine speed or the current engine speed and the deceleration fuel cutoff threshold, and the internal combustion engine is adjusted to a deceleration mode or a deceleration fuel mode is maintained only if the expected or current engine speed is higher than the deceleration fuel cutoff threshold.

Abstract: An engine controlling apparatus for a motorcycle for reducing the output power of the engine when necessary includes a second controller for deciding, if a brake operation is detected based on an opening value of an accelerator grip detected by a potentiometer for detecting an opening value of the accelerator grip that the accelerator grip is in an open state, whether it is necessary to reduce the output power of an engine and for carrying out output power reduction control of the engine. If a front wheel brake sensor detects a brake operation for the front wheel and in addition it is decided from the speed value detected by a vehicle speed sensor that the motorcycle is not being decelerated, then the second controller decides that there is the necessity to reduce the output power of the engine and carries out the output power reduction control of the engine.

Abstract: A method controls a friction clutch disposed between an internal combustion engine and a change speed transmission. The friction clutch is controlled in such a way that it transmits an average coupling torque of the internal combustion engine and does not transmit periodically occurring peak values of the coupling torque. In addition, a control unit is programmed to carry out the method.

Abstract: In deceleration control apparatus and method for an automotive vehicle, a deceleration control is performed in accordance with a turning travel situation of the vehicle; and an engine throttle opening angle is controlled gradually in a closure direction at a preset variation degree.

Abstract: In a method for controlling an engine braking device of an internal combustion engine of a motor vehicle during an up-shift process of a transmission device connected to the internal combustion engine which includes a first cylinder bank and a second cylinder bank, an engine braking device acting on individual cylinder banks, a fuel supply device acting on individual cylinder banks and a shiftable transmission device, which comprises shiftable gearwheels and an input shaft which can be coupled to a crankshaft of the internal combustion engine by means of a clutch are provided and used during up-shifting to manipulate braking and powering up the cylinder banks and disengaging and up-shifting the transmission for a fast and smooth gear change operations.

Abstract: A method of controlling fuel injection in an engine of a vehicle comprising of deactivating a fuel injector of the engine during a deceleration condition of the vehicle; and reactivating the fuel injector when a rate of change of a powertrain shaft deceleration is greater than a threshold.

Abstract: A method of controlling fuel injection in an engine of a vehicle comprises reactivating fuel injectors based on release or decrease of driver braking during deceleration fuel shut off operation. According to another aspect, a method of controlling fuel injection in an engine of a vehicle comprises reactivating fuel injectors based on release or decrease of driver braking during deceleration fuel shut off; and increasing air flow to a cylinder before reactivation of fuel injectors in response to said release or decrease of driver braking to enhance torque response. The methods allow an engine to exit DFSO earlier by making use the brake input and effort, which provides time to reactivate the fuel injection and stabilize torque control prior to tip-in.

Abstract: A system is provided for the throttle control of a multi-combination vehicle operable by a driver where said vehicle includes at least two engines each engine operable by an independent throttle. One of the throttles is controlled by a standard throttle pedal, the other by a hand-controlled throttle. Under conditions of severe braking the second throttle is caused to be disregarded by the second engine that is forced to an idle position. Further, the second throttle can only become operable when the second throttle has been manually reset to a pre-determined position, generally the idle position. The system is appropriate in cases where the driver may be forced to apply emergency braking and is not able to control the hand throttle to ensure that the second engine does not continue to drive the vehicle.

Abstract: The braking force control apparatus for a vehicle which has a function of applying a braking force to the vehicle by rotational resistance of the engine, by stopping the fuel supply to the engine during coasting of the vehicle and by controlling a torque capacity of a torque capacity control device that is provided between the engine and a wheel so that the torque capacity becomes equal to or higher than a predetermined value, and of decreasing the torque capacity of the torque capacity control device when a predetermined condition is satisfied, and has a function of applying the braking force to the vehicle by a function of an electric power generator which is coupled with the wheel such that power can be transmitted. The braking force control apparatus includes braking force control means which increases a braking force that is generated by the function of the electric power generator when the torque capacity of the torque capacity control device is decreased.

Abstract: A vehicle acceleration control and release device operatively connectable to a vehicle acceleration device, includes a device body; a lever operatively connected to the device body and pivotable about a first axis for controlling vehicle acceleration and pivotable about a second axis for releasing acceleration control, the first axis being perpendicular to the second axis.

Abstract: In a vehicle which has an automatic stop/restart device of the engine 1, the engine 1 is started rapidly only in cases where a quick start of the engine 1 is required such as when the vehicle is stationary on a rising slope, or cuts across the opposite lane for a left turn. For this purpose, excitation of an motor 2 is performed before startup of the motor 2 for restarting the engine 1 quickly. When automatic stop conditions are satisfied, the engine 1 stops, and when restart conditions are satisfied, the motor 2 is started to restart the engine 1. When the vehicle is on a rising slope and it is required to start the vehicle quickly, the motor 2 is energized first before the motor 2 is started. Also, when it is determined that the vehicle must start rapidly such as when the vehicle is trying to cut across the opposite lane for a left turn, the motor 2 is excited before it starts.

Abstract: A method for controlling an internal combustion engine provided on a vehicle and cooperating with the throttle hand lever and an accelerator pedal, whereby the amount of fuel is predetermined. The amount of fuel is predetermined by respective positions of the accelerator pedal and throttle hand lever and is corrected on the basis of a position of the vehicle brake pedal.

Abstract: Abrupt deceleration of a vehicle is detected based on a depression amount or a depression speed of a brake pedal. If abrupt deceleration of the vehicle has been detected during fuel-cut control, a command is issued to make forcible restoration of control out of the fuel-cut control. Then a lock-up clutch is disconnected and fuel injection for an engine is resumed so as to restore a rotational speed of the engine. As a result, the engine is prevented from stalling due to the undershooting of the engine rotational speed.

Abstract: An automatic engine-stop control apparatus for a vehicle includes a vehicle speed sensor and a brake pedal depression sensor which are coupled to a control unit. The control unit is programmed to decide that the vehicle speed detected by the vehicle speed sensor is smaller than or equal to a predetermined stop expected speed when the brake pedal depression sensor detects that the brake pedal is depressed, and to decide that the vehicle is stopped when a predetermined time period elapses from a moment that the vehicle speed becomes smaller than or equal to the predetermined stop expected speed and when the depression of the brake pedal is continued.

Abstract: An automatic control for operating an engine retarder, service brakes, and an automatic transmission associated with earth moving equipment is provided. The automatic control monitors engine speed and responsively produces control signals to maintain engine speed within predetermined limits.

Abstract: An apparatus for controlling the brake of a vehicle, which easily brings the vehicle to a halt, or starts it, only by the action of the accelerator without operating the brake pedal. Brakes (4,5) are applied when the vehicle speed detected by a speed detector (9) becomes a predetermined threshold value or less. The operation of the brakes (4,5) is turned off when a load detected by a load detector (10) becomes larger than a load operated by a load computer (11,14).

Abstract: An improved apparatus controls negative pressure in a combustion engine. The apparatus has a brake booster that is capable of increasing braking force of a vehicle by means of the negative pressure in the brake booster. A valve disposed in an air intake pressure generates the negative pressure that is supplied to the brake booster. An electric control unit controls the valve when pressure in the brake booster is in excess of a predetermined magnitude.

Abstract: An improved apparatus for controlling brake force of a vehicle is disclosed. A throttle valve is closed for generating the negative pressure that is supplied to a brake booster. The brake booster is actuated to increase brake force acting on the vehicle when a difference between air pressure and the negative pressure is smaller than a predetermined magnitude. An electric control unit (ECU) actuates the throttle valve to increase the absolute magnitude negative pressure when the ECU determines the differential pressure is smaller than the predetermined magnitude. The ECU corrects the magnitude of the negative pressure with a mapped value based on the computed magnitude.

Abstract: A vehicle safety system includes a tube engagement for tightly engaging with a shaft engagement, a rotatable shaft having a throttle valve, a tube for slidably receiving the rotatable shaft, and accelerator and brake pedals connected to the tube engagement and the tube, respectively, for correcting simultaneous actuation of the accelerator and brake pedals.