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Awakened-state maintaining apparatus and awakened-state maintaining method

A awake state, visual stimulation technology, applied in control devices, optical observation devices, safety devices of power plant control mechanisms, etc., can solve the problem of driver's sobriety decline

Inactive Publication Date: 2012-05-23
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, it is easy to cause the driver's sobriety to drop

Method used

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  • Awakened-state maintaining apparatus and awakened-state maintaining method
  • Awakened-state maintaining apparatus and awakened-state maintaining method
  • Awakened-state maintaining apparatus and awakened-state maintaining method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0049] [Structure of wakefulness maintaining device 100]

[0050] figure 1 It is a block diagram showing the configuration of the awake state maintenance device 100 according to Embodiment 1 of the present invention. exist figure 1 Among them, the wakefulness maintenance device 100 includes: a driver state determination unit 101 , a trigger unit 102 , a speed information acquisition unit 103 , a timing control unit 104 , a sensory stimulation control unit 108 and a visual stimulation control unit 107 . The sensory stimulation control unit 108 includes a sound signal control unit 105 and a vibration control unit 106 .

[0051] In addition, in Embodiment 1, a case where the speed of the host vehicle is constant will be described.

[0052] The driver state judging unit 101 judges the awake state of the driver of the vehicle on which the awake state maintaining device 100 is mounted, and calculates the driver's alertness. As the judgment criterion, the biological information o...

Embodiment approach 2

[0115] In Embodiment 2, a case where the speed of the host vehicle changes will be described.

[0116] Figure 7 It is a block diagram showing the configuration of the awake state maintaining device 700 according to Embodiment 2 of the present invention. exist Figure 7 Among them, the awake state maintaining device 700 includes: a driver state determination unit 101 , a trigger unit 102 , a speed information acquisition unit 103 , a timing control unit 104 , a sensory stimulation control unit 703 and a visual stimulation control unit 704 . The sensory stimulation control unit 703 includes a sound signal control unit 701 and a vibration control unit 702 . In addition, in this embodiment, the same reference numerals are assigned to the same constituent elements as those in Embodiment 1, and description thereof will be omitted.

[0117] The sound control unit 701 basically has the same function as the sound signal control unit 105 . When the value (V0) of the speed informati...

Embodiment approach 3

[0136] In Embodiment 3, the visual stimulation image is superimposed and displayed on the image actually captured by the imaging means.

[0137] Figure 11 It is a block diagram showing the configuration of the awake state maintenance device 1100 according to Embodiment 3 of the present invention. exist Figure 11 Among them, the awake state maintaining device 1100 includes: a driver state determination unit 101 , a trigger unit 102 , a speed information acquisition unit 103 , a timing control unit 104 , a sensory stimulation control unit 703 and a visual stimulation control unit 1101 . In addition, in this embodiment, the same reference numerals are assigned to the same constituent elements as those in Embodiment 1 or Embodiment 2, and description thereof will be omitted.

[0138] The visual stimulation control unit 1101 basically has the same function as the visual stimulation control unit 704 . Visual stimulation control section 1101 detects a road shape from an image ah...

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Abstract

Provided are an awakened-state maintaining apparatus and an awakened-state maintaining method that maintain an awakened-state of a driver. In the awakened-state maintaining apparatus (100), a visual-stimulation control unit (107) calculates an initial displaying position that is in accordance with the product of initial setup time and detected vehicle speed. A displaying means displays on the initial displaying position a visual stimulation image pertaining to a visual-stimulation virtual object that will evoke an awakened-state, and also updates the visual stimulation image using a visual effect wherein the visual-stimulation virtual object is displayed so as to seemingly approach the vehicle at the detected speed, in accordance with the time elapsed since the visual stimulation image was first displayed. An audio signal control unit (105) outputs an audio signal and a vibration control unit (106) outputs a vibration, when the initial setup time has elapsed since the visual stimulation image was first displayed. Since, in such a way, a driver is able to sense that the vehicle that he / she is driving has run over the visual-stimulation virtual object, which was displayed so as to seemingly make a gradual approach to the vehicle, with his / her visual, hearing, and tactual senses, the awakened-state of the driver is able to be maintained.

Description

technical field [0001] The present invention relates to an awake state maintaining device and an awake state maintaining method for maintaining an awake state of a driver. Background technique [0002] When driving on monotonous roads such as expressways, drivers tend to feel drowsy. That is, it is easy to cause the driver's sobriety to drop. [0003] As a technique for preventing such a decrease in driver's alertness, a road paving method for preventing drowsiness is known (for example, refer to Patent Document 1). According to the road paving method for preventing drowsiness described in Patent Document 1, by providing unevenness on the road surface, vibration and sound are generated when a vehicle runs on the unevenness. [0004] In addition, there is an in-vehicle audio playback device (that is, an awake state maintaining device) provided with a drowsiness prevention function (for example, refer to Patent Document 2). The in-vehicle audio player described in Patent Do...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/16A61B5/18B60R11/02B60R21/00G08B21/06
CPCA61B5/18B60W2050/146B60R2300/307B60W2520/10B60R2300/70B60R1/00B60K28/066B60K28/06B60W2050/143B60R2300/305A61B5/7405A61B5/7455
Inventor 仲井渉久保谷宽行宇野嘉修
Owner PANASONIC CORP
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