JPH11299005A5

JPH11299005A5 -

Info

Publication number: JPH11299005A5
Application number: JP1998101579A
Authority: JP
Filing date: 1998-04-13
Publication date: 2005-09-02
Anticipated expiration: 2018-04-13

Description

【００１２】
【課題を解決するための手段】
請求項１に係る本発明は、電気エネルギにより回転すると共に発電し得るモータジェネレータ（２）と、プライマリシャフト（８）とセカンダリシャフト（１５）との間に配置されこれら両シャフト間のトルク比を無段に変速する無段変速装置（１１）と、前記無段変速装置のプライマリ側に連動する第１の回転要素（１９ｃ）、該無段変速装置のセカンダリ側に連動する第２の回転要素（１９ｓ）、前記第１の回転要素及び第２の回転要素の回転をトルク循環を生じる状態で合成して駆動車輪に出力する第３の回転要素（１９ｒ）を有するプラネタリギヤユニット（１９）と、を有し、前記無段変速装置を、前記第３の回転要素がニュートラル位置となるように自己収束するニュートラル制御と、該ニュートラル位置から無段に変速する変速制御とを行う無限変速機構（１８）と、を備え、
前記モータジェネレータ（２）及び／又は内燃エンジン（１）の出力を、前記無限変速機構を介して前記駆動車輪に伝達するハイブリット駆動装置において、前記駆動車輪の前進及び後退を指示しうるシフト手段（３３）を有し、
前記シフト手段が後退を指示した場合、前記モータジェネレータ（２）を、前進の場合とは逆方向に回転させるモータ制御手段（３６、３７）を設けたことを特徴とするハイブリッド駆動御装置にある。 [0012]
[Means for solving the problem]
The present invention according to claim 1 provides a motor generator (2) that can rotate using electric energy and generate electricity, a continuously variable transmission (11) that is disposed between a primary shaft (8) and a secondary shaft (15) and that infinitely changes the torque ratio between these two shafts, and a planetary gear unit (19) that has a first rotating element (19c) that is linked to the primary side of the continuously variable transmission, a second rotating element (19s) that is linked to the secondary side of the continuously variable transmission, and a third rotating element (19r) that combines the rotations of the first rotating element and the second rotating element in a state that generates torque circulation and outputs the result to drive wheels, and an infinitely variable transmission mechanism (18) that performs neutral control for self-converging the continuously variable transmission so that the third rotating element is in a neutral position, and speed change control for infinitely changing the speed from the neutral position,
A hybrid drive system that transmits the output of the motor generator (2) and/or the internal combustion engine (1) to the drive wheels via the infinitely variable transmission, the hybrid drive system having a shift means (33) that can instruct the drive wheels to move forward and backward,
The hybrid drive control device is characterized by being provided with motor control means (36, 37) for rotating the motor generator (2) in a direction opposite to that in the case of forward movement when the shift means commands reverse.

Claims

a motor generator that can rotate and generate electricity using electrical energy;
an infinitely variable transmission mechanism that performs neutral control for self-converging the continuously variable transmission so that the third rotating element is in a neutral position, and speed change control for continuously changing the speed from the neutral position; a planetary gear unit having a first rotating element that is linked to the primary side of the continuously variable transmission, a second rotating element that is linked to the secondary side of the continuously variable transmission, and a third rotating element that combines rotations of the first rotating element and the second rotating element in a state in which torque circulation occurs, and a speed change mechanism that performs neutral control for self-converging the continuously variable transmission so that the third rotating element is in a neutral position, and speed change control for continuously changing the speed from the neutral position;
In a hybrid drive system in which output of the motor generator and/or the internal combustion engine is transmitted to the drive wheels via the infinitely variable transmission,
a shift means for instructing the drive wheels to move forward and backward;
The vehicle is characterized in that a motor control means is provided for rotating the motor generator in a direction opposite to that in the case of forward movement when the shift means commands reverse movement.
Hybrid drive control device.

a clutch means is provided between the output shaft of the internal combustion engine and the rotor of the motor generator;
A clutch control means is provided to release the clutch means when the shift means commands reverse.
The hybrid drive control device according to claim 1.

The neutral position of the infinitely variable transmission mechanism is set to a position where the speed ratio of the continuously variable transmission device is in the most increasing direction.
3. The hybrid drive control device according to claim 1 or 2.

The vehicle is configured by providing a control means for controlling the infinitely variable transmission mechanism to have a gear ratio according to an accelerator opening and a vehicle speed when the shift means commands reverse.
The hybrid drive control device according to any one of claims 1 to 3.

When the shift means instructs reverse, the infinitely variable transmission mechanism performs a gear change operation up to a predetermined gear ratio, and when the gear ratio is reached, the infinitely variable transmission mechanism is configured to fix the gear ratio at the predetermined gear ratio.
The hybrid drive control device according to any one of claims 1 to 3.

an oil pump is connected to the rotor of the motor generator, and a flow path switching valve is connected to the oil pump to switch between an intake port and a discharge port of the oil pump; and a switching control means is provided to switch the flow path switching valve when the shift means commands reverse.
The hybrid drive control device according to any one of claims 1 to 5.