Drive control apparatus for electric vehicle

A drive control apparatus for an electric vehicle, the drive control apparatus being to be mounted on the electric vehicle, the electric vehicle including a driving wheel, an engine that is an internal combustion engine, a traveling motor configured to generate power for traveling, a transmission configured to shift motion transmitted from the engine, and an output clutch configured to cut a path of power transmission to the driving wheel, the electric vehicle being configured to output power from the engine and the traveling motor to the driving wheel via the transmission and the output clutch, the drive control apparatus comprising:

• a rotation angle sensor configured to detect a rotation angle of the traveling motor;
• and
• a controller configured to control the engine, the traveling motor, the transmission, and the output clutch, wherein
• the controller is configured to estimate the rotation angle by a first estimation method and control the traveling motor on a basis of the estimated rotation angle, the first estimation method being executable in a case where a rotation speed of the traveling motor is a threshold or higher, and
• the controller is configured to control, in a case where the rotation angle sensor is in an abnormal state and a specific driving state is present, one or more of the engine, the transmission, and the output clutch in a manner different from a manner under a control in a case where the rotation angle sensor is in a normal state, and thereby maintain the rotation speed of the traveling motor at the threshold or higher, the specific driving state being a state in which the rotation speed of the traveling motor is to be lower than the threshold under the control in the case where the rotation angle sensor is in the normal state.