Patent ID: 7769516
Filing Date: 2010-08-03
Classification: F16H

Abstract:
1. A control device for an automatic transmission that includes an engagement element engaged when a vehicle is started, said automatic transmission including a torque converter that includes a lockup clutch and a transmission mechanism, said control device comprising: a neutral control execution unit that controls said transmission mechanism to disengage said engagement element when said vehicle is in a forward travel position, satisfies a first predetermined condition, and accordingly stops; a neutral control return unit that controls said transmission mechanism to engage said engagement element when said vehicle satisfies a second predetermined condition; a start control unit that controls said lockup clutch to set said lockup clutch in a slip state when return is made from said neutral control, said engagement element is engaged, and said vehicle is started; a detection unit that detects a state of return from said neutral control; and a determination unit that determines, based on the state of return from said neutral control, whether to control said lockup clutch by said start control unit, wherein said determination unit determines to inhibit the control by said start control unit when the return from said neutral control is in an initial state.