Abstract:
A CPU of an ECU calculates a rotation speed of an engine on the assumption that a clutch is in a connected state based on a speed of a vehicle detected by a vehicle speed sensor as a conditional engine rotation speed. Subsequently, the CPU acquires a target degree of opening of a throttle valve based on the calculated conditional engine rotation speed and a set target engine torque. Then, the CPU controls a throttle drive device such that an actual degree of opening of the throttle valve is the acquired degree of opening.
Abstract:
A speed-limit-enforcing system for enforcing speed limit on a vehicle hosting the system, and methods of using thereof. The system includes a speed-limit controller, a drivers' profile DB, a driver-identifier and a throttle controller. The speed-limit profile of each driver is predefined by a master user, wherein a driver may not alter his speed-limit profile. The driver-identifier identifies the current driver, wherein the drivers' profile DB includes a speed-limit profile of that current driver. The speed-limit controller, being a personal mobile device, derives a current speed limit from rules defined in the speed-limit profile of the current driver, wherein the speed-limit controller activates the throttle controller to limit the fuel supply to the engine of the vehicle, such that the current velocity of the vehicle, provided by an external source, does not exceed the current speed limit.
Abstract:
A wastegate control system and a method for the wastegate control system is disclosed. The wastegate control system includes an ambient pressure sensor, a throttle angle sensor, an ignition timing sensor, a knock sensor, an intake charge temperature sensor and an intake charge humidity sensor. A wastegate is controlled according to information received from these sensors.
Abstract:
PURPOSE: A method and a device for controlling engine RPM are provided to prevent an engine from stopping or over-operating by rapidly following the reference RPM even in the fluctuating load. CONSTITUTION: A device for controlling engine RPM comprises a RPM calculation unit(221), a RPM input unit, and a throttle valve control unit. The RPM calculation unit calculates the real RPM of a two-cycle engine from the output of a RPM sensor. The RPM input unit inputs a plurality of reference RPM values according to a load carrying capacity. The throttle valve control unit controls the throttle valve in order that the real RPM follows the reference RPM, which is variably set according to the load carrying capacity. The throttle valve control unit controls the throttle valve in order to follow the reference RPM by predicting the RPM from the difference between the real RPM and the reference RPM.