Vehicle control device

Patent metadata

Field	Value
Publication number	US-10815952-B2
Application number	US-201916439514-A
Country	US
Kind code	B2
Filing date	Jun 12, 2019
Priority date	Jun 14, 2018
Publication date	Oct 27, 2020
Grant date	Oct 27, 2020

Abstract

A vehicle control device configured to be capable of executing idle stop control to automatically stop an engine when a predetermined automatic stop condition is satisfied and restart the engine when a predetermined restart condition is satisfied during the automatic stop of the engine, the vehicle control device includes: a start request detector, a shift position detector, and a delay time setting module. A start request detector detects a driver operation indicating a request for starting the engine by a driver. A shift position detector detects a shift position of a shift changer. A delay time setting module sets, on a basis of presence or absence of the driver operation and the shift position, a delay time from when the engine is restarted until when an automatic stop of the engine is permitted.

First claim

The invention claimed is:

1. A vehicle control device for a vehicle comprising:
a memory;
a processor coupled with the memory and configured to:
execute idle stop control to stop an engine of the vehicle when a stop condition is satisfied,
restart the engine when a restart condition is satisfied during the stop of the engine, and
detect a driver operation indicating a request for starting the engine by a driver; and

a shift position detector configured to detect a shift position of a shift changer,
wherein the processor is configured to inhibit the idle stop control for a delay time from when the engine is restarted under the idle stop control, and
wherein the processor is configured to change the delay time on a basis of the shift position and reason for restart of the engine.

2. The vehicle control device according to claim 1 , wherein the delay time setting module varies a length of the delay time according to the shift position when a restart of the engine is not due to the driver operation.

3. The vehicle control device according to claim 2 , wherein the delay time setting module sets the delay time to be shorter when the shift position is in a travel range than when the shift position is in a non-travel range.

4. The vehicle control device according to claim 2 , wherein that the restart of the engine is not due to the driver operation means that a restart is due to an operation condition of an on-board air conditioner.

5. The vehicle control device according to claim 3 , wherein that the restart of the engine is not due to the driver operation means that a restart is due to an operation condition of an on-board air conditioner.

6. The vehicle control device according to claim 1 , wherein the delay time setting module sets the delay time to zero when a restart of the engine is due to the driver operation.

7. The vehicle control device according to claim 2 , wherein the delay time setting module sets the delay time to zero when a restart of the engine is due to the driver operation.

8. The vehicle control device according to claim 3 , wherein the delay time setting module sets the delay time to zero when a restart of the engine is due to the driver operation.

9. The vehicle control device according to claim 4 , wherein the delay time setting module sets the delay time to zero when a restart of the engine is due to the driver operation.

10. The vehicle control device according to claim 5 , wherein the delay time setting module sets the delay time to zero when a restart of the engine is due to the driver operation.

11. The vehicle control device according to claim 1 , wherein the driver operation comprises at least an operation of depressing an accelerator pedal or an operation of releasing a depressed brake pedal.

12. The vehicle control device according to claim 2 , wherein the driver operation comprises at least an operation of depressing an accelerator pedal or an operation of releasing a depressed brake pedal.

13. The vehicle control device according to claim 3 , wherein the driver operation comprises at least an operation of depressing an accelerator pedal or an operation of releasing a depressed brake pedal.

14. The vehicle control device according to claim 4 , wherein the driver operation comprises at least an operation of depressing an accelerator pedal or an operation of releasing a depressed brake pedal.

15. The vehicle control device according to claim 5 , wherein the driver operation comprises at least an operation of depressing an accelerator pedal or an operation of releasing a depressed brake pedal.

16. A vehicle control device for a vehicle comprising:
a shift position sensor to detect a shift position, and circuitry configured to execute idle stop control to stop an engine of the vehicle when a stop condition is satisfied and to restart the engine when a restart condition is satisfied during the stop of the engine, the circuitry configured to:
detect a driver operation indicating a request for starting the engine by a driver,
of a shift changer,
inhibit the idle stop control for a delay time from when the engine is restarted under the idle stop control, and
change the delay time on a basis of the shift position and reason for restart of the engine.

Assignees

• Subaru Corp

Inventors

• Matsuzaki Tetsu
• Komuro Masaki
• Kishikawa Masatoshi

Classifications

• Y02T10/40

  Engine management systems · CPC title

• F02N2200/101

  Accelerator pedal position · CPC title

• F02N2200/0801

  Vehicle speed · CPC title

• F02D41/065

  at hot start or restart (F02D41/067 takes precedence) · CPC title

• F02D41/0225 Primary

  in relation with the gear ratio or shift lever position · CPC title