The input element of the automatic transmission is fixedly connected to the second sun gear, the output element is fixedly connected to the third planetary carrier, the second planetary carrier is fixedly connected to the third gear ring, the first gear ring is fixedly connected to the third planetary carrier, and the third sun gear is stationary. The first brake is engaged to brake the first rear sun gear, the second brake is engaged to brake the first front sun gear, and the third brake is engaged to simultaneously brake the first planetary carrier and the second gear ring; the first rear sun gear is connected to the input element via the first clutch, the first planetary carrier is connected to the second sun gear via the second clutch, and the first planetary carrier is connected to the second gear ring via the third clutch.

The input element of the automatic transmission is fixedly connected to the second sun gear, the output element is fixedly connected to the third planetary carrier, the second planetary carrier is fixedly connected to the third gear ring, the first gear ring is fixedly connected to the third planetary carrier, and the third sun gear is stationary. The first brake is engaged to brake the first rear sun gear, the second brake is engaged to brake the first front sun gear, and the third brake is engaged to simultaneously brake the first planetary carrier and the second gear ring; the first rear sun gear is connected to the input element via the first clutch, the first planetary carrier is connected to the second sun gear via the second clutch, and the first planetary carrier is connected to the second gear ring via the third clutch.

A transmission control device is used in an automatic transmission device including a transmission gear having friction coupling portions that are changed between a coupled state and an uncoupled state, and configuring transmission stages corresponding to a combination of the coupled state and the uncoupled state, and a hydraulic control device. The device includes: a determination unit determining a change in the transmission stage; and an output unit setting a target value of the hydraulic pressure, and outputting the target value to the hydraulic control device. In a case where one transmission stage is changed to another, the output unit increases the target value to a first value for a first friction coupling portion in the uncoupled state in the one transmission stage, thereafter, to a second value smaller than the first value and maintaining the uncoupled state, and thereafter, to a third value greater than the second value.

A transmission control device is used in an automatic transmission device including a transmission gear having friction coupling portions that are changed between a coupled state and an uncoupled state, and configuring transmission stages corresponding to a combination of the coupled state and the uncoupled state, and a hydraulic control device. The device includes: a determination unit determining a change in the transmission stage; and an output unit setting a target value of the hydraulic pressure, and outputting the target value to the hydraulic control device. In a case where one transmission stage is changed to another, the output unit increases the target value to a first value for a first friction coupling portion in the uncoupled state in the one transmission stage, thereafter, to a second value smaller than the first value and maintaining the uncoupled state, and thereafter, to a third value greater than the second value.

A vehicle control apparatus calculates a target speed value of an engine rotational speed that is required to provide a required torque value of an engine brake torque, and controls shifting of an automatic transmission such that the engine rotational speed is approximated to the target speed value of the engine rotational speed. The vehicle control apparatus determines whether the target speed value exceeds a predetermined threshold value. When the target speed value exceeds the predetermined threshold value, the vehicle control apparatus controls the shifting of the automatic transmission such that the engine rotational speed is held not higher than the predetermined threshold value, and controls a throttle valve such that the throttle valve is opened.

A vehicle control apparatus calculates a target speed value of an engine rotational speed that is required to provide a required torque value of an engine brake torque, and controls shifting of an automatic transmission such that the engine rotational speed is approximated to the target speed value of the engine rotational speed. The vehicle control apparatus determines whether the target speed value exceeds a predetermined threshold value. When the target speed value exceeds the predetermined threshold value, the vehicle control apparatus controls the shifting of the automatic transmission such that the engine rotational speed is held not higher than the predetermined threshold value, and controls a throttle valve such that the throttle valve is opened.

A shift by wire-based transmission system and a method for controlling the same, may include a transmission lever, a main controller that determines a target gear stage and a current control delay time of an actuator based on a manipulation signal received from the transmission lever and controls driving of the actuator based on the determined target gear stage and the current control delay time to determine a gear stage position in a response to the driving of the actuator, and a transmission control unit that controls a hydraulic pressure based on the gear stage position determined by the main controller.

A vehicle control device is for a vehicle having a drive source, and an automatic transmission connected to the drive source, the automatic transmission having an engagement element for disconnecting/connecting transmission of a driving force and a variator placed further upstream than the engagement element. The vehicle control device includes first and second control units. The first control unit is configured to execute sailing stop control to stop the drive source and to put the automatic transmission into a neutral state when a sailing stop condition is established. The second control unit is configured to start the drive source and to implement downshifting of the variator when a size of a deceleration level is a prescribed value or greater when the sailing stop control is cancelled due to a prescribed sailing stop cancellation condition among sailing stop cancellation conditions being established, and to engage the engagement element after the downshifting.

A vehicle control device is for a vehicle having a drive source, and an automatic transmission connected to the drive source, the automatic transmission having an engagement element for disconnecting/connecting transmission of a driving force and a variator placed further upstream than the engagement element. The vehicle control device includes first and second control units. The first control unit is configured to execute sailing stop control to stop the drive source and to put the automatic transmission into a neutral state when a sailing stop condition is established. The second control unit is configured to start the drive source and to implement downshifting of the variator when a size of a deceleration level is a prescribed value or greater when the sailing stop control is cancelled due to a prescribed sailing stop cancellation condition among sailing stop cancellation conditions being established, and to engage the engagement element after the downshifting.

A method for controlling a transmission of a marine propulsion device powered by an engine is carried out by a control module and includes monitoring a requested gear state of the transmission and a requested throttle position of a throttle valve on the engine. In response to the requested gear state being a neutral state or in response to the requested throttle position decreasing by more than a predetermined amount within a predetermined period of time, the control module controlling at least one of a pressure in a forward clutch of the transmission and a pressure in a reverse clutch of the transmission in a manner that is contraindicated by the requested gear state.