Abstract: A load detection device includes a piezoelectric body unit adapted to be deformed by receiving an electric voltage, the piezoelectric body unit generating an electric charge by receiving an external load, a drive portion applying the electric voltage to the piezoelectric body unit for vibrating thereof, a detection portion detecting the electric charge generated at the piezoelectric body unit, and an adjusting member adjusting a pressure applied to at least one pressure sensing surface provided at the piezoelectric body unit to restrain the vibration of the piezoelectric body unit.

Abstract: A load detection device includes a piezoelectric body unit adapted to be deformed by receiving an electric voltage, the piezoelectric body unit generating an electric charge by receiving an external load, a drive portion applying the electric voltage to the piezoelectric body unit for vibrating thereof, a detection portion detecting the electric charge generated at the piezoelectric body unit, and an adjusting member adjusting a pressure applied to at least one pressure sensing surface provided at the piezoelectric body unit to restrain the vibration of the piezoelectric body unit.

Abstract: In fuel injection control, an injection pattern is determined by reading, from memory, an injection pattern appropriate to a current engine speed, desired torque, and a common rail pressure. Therefore, it is possible to form “an injection pattern for obtaining an appropriate combustion state,” irrespective of response delay in the common rail pressure. Since the injection pattern appropriate to the current engine speed, the desired torque, and the common rail pressure is read from the memory, data to create “an injection pattern for obtaining an appropriate combustion state” is taken in a one-step process of “map read.” Therefore, it is possible to reduce the calculation load, which is necessary for the injection control.

Abstract: In fuel injection control, an injection pattern is determined by reading, from memory, an injection pattern appropriate to a current engine speed, desired torque, and a common rail pressure. Therefore, it is possible to form “an injection pattern for obtaining an appropriate combustion state,” irrespective of response delay in the common rail pressure. Since the injection pattern appropriate to the current engine speed, the desired torque, and the common rail pressure is read from the memory, data to create “an injection pattern for obtaining an appropriate combustion state” is taken in a one-step process of “map read.” Therefore, it is possible to reduce the calculation load, which is necessary for the injection control.