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Controller for drive system for vehicle

A technology for controlling equipment and driving systems, which is applied in the directions of engine-driven traction, engine control, transmission control, etc., and can solve problems such as poor fuel economy, achieve improved fuel economy, improve fuel economy, reduce The effect of conversion loss

Active Publication Date: 2007-10-24
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also note that a portion of the engine output is converted into electrical energy - which is then converted into mechanical energy to be transferred to the drive wheels, thereby improving the fuel economy of the vehicle in some driving conditions of the vehicle, for example, during high speed driving of the vehicle sex may be worse

Method used

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  • Controller for drive system for vehicle
  • Controller for drive system for vehicle
  • Controller for drive system for vehicle

Examples

Experimental program
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no. 1 example

[0043] Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0044] Referring to the schematic diagram of FIG. 1, there is shown a transmission mechanism 10 forming part of a drive system for a hybrid vehicle, the drive system being controlled by a control device according to an embodiment of the present invention. In FIG. 1 , a transmission mechanism 10 includes: an input rotary member in the form of an input shaft 14; a differential portion 11 connected to the input shaft 14 directly or indirectly via a pulsation absorbing damper (vibration damping device) not shown. A continuously variable transmission part in the form of; a stepped or multi-stage automatic transmission in the form of an automatic transmission part 20, which is arranged between the differential part 11 and the drive wheels 38 of the vehicle (shown in FIG. A transmission member 18 (power transmission shaft) is connected in series to the tran...

no. 2 example

[0152] 14 is a schematic diagram showing the arrangement of a transmission mechanism 70 according to another embodiment of the present invention, and FIG. 15 shows the gear positions of the transmission mechanism 70 and the engagement states of the hydraulically operated friction coupling devices for respectively establishing these gear positions. 16 is a collinear diagram for explaining the shift operation of the transmission mechanism 70.

[0153] The transmission mechanism 70 includes the differential portion 11 having the first electric machine M1, the power distribution mechanism 16, and the second electric machine M2, as in the previous embodiment. The transmission mechanism 70 also includes an automatic transmission portion 72 having three forward drive positions. The automatic transmission portion 72 is arranged between the differential portion 11 and the output shaft 22 , and is connected in series to the differential portion 11 and the output shaft 22 via the power t...

no. 3 example

[0162] 17 shows a toggle switch 44 (hereinafter referred to as "switch 44") used as a shift state selection device, which can be manually operated to select the differential state (non-lock state) or non-differential state of the power distribution mechanism 16. The speed state (locked state), that is, the continuously variable shift state or the step shift state of the transmission mechanism 10 is selected. This switch 44 allows the user to select a desired shift state while the vehicle is in motion. As shown in Figure 22, the interactive changeover switch 44 has a continuously variable shift travel button marked "with steps" for the vehicle running under the continuously variable shift state, and a continuously variable shift button for the vehicle under the step shift state. Stepped shift travel button marked "stepless" for travel. When the CVT travel button is pressed by the user, the switch 44 is placed in a CVT position for selecting a CVT state in which the transmissio...

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PUM

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Abstract

A control device for a vehicular drive system including a differential portion (11) having a differential mechanism (16) operable to distribute an output of an engine (8) to a first electric motor (M1) and a power transmitting member (18), and a second electric motor (M2) disposed in a power transmitting path between the power transmitting member and a drive wheel (38) of a vehicle, the control device including a differential limiting device (C0, B0) provided in the differential mechanism (16) and operable to limit a differential function of the differential mechanism for thereby limiting a differential function of the differential portion (11), and torque-response control means (84) for controlling a response of a change of an input torque of the differential portion to an operation of a manually operable vehicle accelerating member (45), depending upon whether the differential function of the differential mechanism (16) is limited or not.

Description

technical field [0001] The present invention generally relates to a drive system for a vehicle including a differential mechanism having a differential function and a motor, and more particularly, relates to a technique for reducing the required size of the motor. Background technique [0002] There is known a drive system for a vehicle, which includes a differential mechanism operable to distribute an output of an engine to a first electric motor and its output shaft, and a differential mechanism arranged between the output shaft of the differential mechanism and drive wheels of the vehicle. second motor. JP-2003-301731A discloses an example of such a drive system for a vehicle, which is a hybrid vehicle drive system. In this hybrid vehicle drive system, the differential mechanism is constituted by, for example, a planetary gear set, and the main part of the driving force of the engine is mechanically transmitted to the drive wheels through the differential function of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/04B60K6/26B60K6/365B60K6/445B60K6/547B60L50/10B60L50/16B60W10/06B60W10/08B60W10/10B60W20/00F02D29/00F02D29/02F16H63/40F16H63/50
CPCY02T10/6239Y02T10/6286B60W10/115B60W2540/10B60W2710/0672F16H2200/0047B60W10/06B60K6/387B60K6/547F16H2037/0873B60K6/445B60W20/00B60W2710/0666F16H2200/2048B60K1/02F16H3/728F16H2200/2012B60W10/08B60L15/20B60L2240/421B60L2240/423B60L2240/461B60L2240/463B60L2240/486B60L2250/26B60L2260/26B60L2270/145Y02T10/72B60L50/61B60L50/16F16H3/66F16H2200/0043F16H2200/2007F16H2200/201F16H2200/2046Y02T10/62Y02T10/64Y02T10/7072Y02T10/70B60W20/10
Inventor 田端淳镰田淳史
Owner TOYOTA JIDOSHA KK
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