Controller with motor output torque limiter for hybrid vehicle

A controller for a hybrid vehicle in which the torque is output from an engine and/or an electric motor and is transmitted to drive wheels through a fluid torque converter and a transmission,

• a throttle opening angle detector for detecting an opening angle of a throttle,
• a turbine speed detector for detecting rotational speed of a turbine of the fluid torque converter,
• said controller including a motor output torque limiter to restrict the output torque from said electric motor such that the torque increased by said fluid torque converter does not exceed a permissible input torque which is acceptable for said transmission to receive when said electric motor in addition to said engine is driven,
• said motor output torque limiter including a basic output torque calculating section, an output torque reduce correction coefficient calculating section, and an output torque calculating section,
• wherein said basic output torque calculating section calculates a basic output torque of said electric motor that varies according to the throttle opening angle detected by the throttle opening angle detector,
• wherein said output torque reduce correction coefficient calculating section calculates a correction coefficient for output torque reduction so that the basic output torque is reduced until the turbine rotational speed is at a predetermined speed, based on the turbine rotational speed detected by the turbine speed detector of said fluid torque converter, and
• wherein said output torque calculating section calculates output torque by correcting said basic output torque by said correction coefficient for output torque reduction.