JP2010143362A - Driver support system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a driver support system capable of classifying the state of mind and accurately determining abnormality for a driver during the drive of a vehicle, and suppressing the occurrence of an accident caused by the driver's state of mind by performing an action according to the determination result. <P>SOLUTION: The correlation between information concerning the driving operation of the driver acquired during the drive of the vehicle and the driver's state of mind is learned from an exchange with the driver, or the driver's state of mind is determined based on the learning result, and a previously set response movement is executed coping with each of the determined states of mind. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a driver support system that detects a driver's psychological state and performs an action according to the driver's psychological state in order to prevent an accident caused by the driver's psychological state while driving a vehicle.

  There are many traffic accidents, some of which are also attributed to the psychological state of the driver. In other words, the driver is worried, impatient, tired, sleep unsatisfactory, and other psychological states, which may lead to accidents due to incorrect driving or inadequate safe driving.

  Techniques have been developed to prevent accidents by detecting such unsafe driving conditions and warning the driver (see Patent Documents 1 and 2).

  According to the technique described in Patent Literature 1, a driving state warning device that compares a driving pattern of a driver with a normal driving pattern to detect disturbance of a psychological state and warns by voice or the like has been proposed.

Further, according to the technique described in Patent Document 2, the driving route is specified, the basic driving operation there is compared with the actual driving operation, the psychological state of the driver is determined from the difference, and the driving is output to the driver. A psychological judgment device has been proposed.
JP-A-7-257222 JP 2003-48448 A

  However, the techniques described in Patent Documents 1 and 2 are judgments based on comparisons with normal driving patterns and basic driving operations, and even if abnormalities in the driving state can be detected considerably, it is not necessarily linked to abnormalities in the psychological state. However, the accuracy of psychological state determination is not good.

  Regarding learning for determination, only the basic driving operation is set from the past history, and the association between the driving operation difference and the psychological state of each driver is not learned. Therefore, the psychological state can be classified in various ways, such as trouble, impatience, and irritation, but the learning of the association of the psychological state according to the classification is not performed, and sufficient accuracy of the psychological state determination is not obtained.

  Not only the psychological state determination but also the output itself for the determination result does not correspond to the fine classification of the psychological state. That is, the driver's action such as warning is simple, and various actions according to the type of the driver's psychological state or the like are not made.

  The present invention has been made in view of the above problems.

  The purpose of the present invention is to acquire information related to the driving operation of the driver during driving of the vehicle, and to determine the psychological state of the driver from the information, the psychological state classification and abnormality determination according to the driver can be accurately performed, It is an object of the present invention to provide a driver support system that can suppress the occurrence of an accident caused by the driver's psychological state by performing an action according to the determination result.

  In order to solve the above problems, the present invention has the following features.

1. Psychological state determination means for acquiring information related to the driving operation of the driver who is driving the vehicle, and determining the classification and level of the psychological state of the driver from the information;
A psychological state response unit that performs a predetermined response operation for suppressing the occurrence of an accident caused by the psychological state of the driver based on the classification and level of the psychological state determined by the psychological state determination unit;
Control means for controlling operations of the psychological state determination means and the psychological state response means;
A driver support system with
Psychological state storage means for holding a database consisting of data in which the response behavior to the driver is associated with the classification and level of the driver's psychological state;
Database reference means for accessing the database held by the psychological state storage means and performing data setting, reference, and update processing;
Psychological state learning means for inquiring the driver and obtaining an answer to the classification and level of the psychological state of the driver driving the vehicle determined by the psychological state determining means;
With respect to the control by the control means, the mode setting means for setting either the psychological state response mode during normal running and the psychological state learning mode during data collection, or setting both,
The control means includes
When the psychological state response mode is set by the mode setting means,
Based on the psychological state classification and level of the driver who is driving the vehicle determined by the psychological state determining unit, the database referring unit refers to the response operation from the database held in the psychological state storing unit to the driver. , Control the psychological state response means to execute,
When the psychological state learning mode is set by the mode setting means,
Depending on the response obtained by inquiring the driver with the psychological state learning means with respect to the classification and level of the psychological state of the driver who is driving the vehicle determined by the psychological state determining means, A driver support system, characterized in that control is performed to update data relating to the driver in the database held by the state storage means.

2. Comprising a driver identification means for identifying a driver driving the vehicle;
The database held by the psychological state storage means includes, for a plurality of drivers, data that associates a response action to the driver with the classification and level of the psychological state for each driver,
2. The driver support system according to 1, wherein the database reference unit accesses data corresponding to the driver identified by the driver identification unit in the database.

3. The psychological state determination means includes
(1) or (2) characterized in that image information obtained by photographing a driver driving a vehicle is acquired, and the classification and level of the psychological state of the driver are determined based on the image information and information related to the driving operation. Driver support system as described.

4). In the database held by the psychological state storage means,
It contains data on the reference level for each psychological classification of the driver driving the vehicle,
The psychological state determination means includes
Comparing the classification and level of the psychological state of the driver who is driving the vehicle with the reference level of the corresponding psychological state classification of the database to determine whether the state is different from the normal state,
The control means includes
When it is determined by the psychological state determination means that the classification and level of the psychological state of the driver are in a state different from normal,
When the psychological state response mode is set by the mode setting means,
Control the database reference means to refer to the response content of the database to the driver, and execute the psychological state response means,
When the psychological state learning mode is set by the mode setting means,
4. The driver support system according to any one of 1 to 3, wherein the psychological state learning unit is controlled to inquire the driver and obtain an answer.

5). The mode setting means includes a psychological state setting mode,
The control means includes
When the psychological state setting mode is set by the mode setting means,
2 to 4 above, wherein the database reference means controls to newly register response operation data for each classified psychological state related to an arbitrary driver in the database held by the psychological state storage means. The driver support system according to any one of the above.

  According to the driver support system of the present invention, during driving of the vehicle, information related to the driving operation of the driver is acquired, and the association between the information and the psychological state of the driver is learned by exchanging with the driver, or the learning result thereof Based on the above, the psychological state of the driver is determined, and a response action set in advance corresponding to each determined psychological state is executed.

  Thereby, the classification and abnormality determination of the psychological state according to the driver can be performed with high accuracy, and the occurrence of an accident caused by the psychological state of the driver can be suppressed by performing an action according to the determination result.

  An embodiment of a driver support system according to the present invention will be described below with reference to the drawings.

(Configuration and operation of driver support system)
FIG. 1 is a configuration diagram illustrating a schematic configuration example of a driver support system according to the present embodiment. FIG. 2 is a block diagram showing a schematic functional configuration of the driver support system.

  With reference to FIGS. 1 and 2, the configuration and operation of the driver support system according to the present embodiment will be described.

  In FIG. 1, the driver support system includes a main body portion mounted on a vehicle 2 and a server 3. The driver 1 is an object of psychological state determination in which the vehicle 2 rides and drives and is not a part of the driver support system. Any driver 1 may board the vehicle 2.

  A main body portion of a driver support system is mounted on the vehicle 2. Refer to the vehicle 2 in FIG. 2 for details (hereinafter, the main part of the driver support system mounted on the vehicle 2 is also referred to as the vehicle 2).

  The server 3 is equipped with a storage part of the driver support system (psychological state storage unit 70 in FIG. 2). A database 71 for psychological state determination is held, and data is communicated with the vehicle 2 in a timely manner.

  Thus, although the driver support system is separately mounted on the vehicle 2 and the server 3, the place where the driver support system is arranged can be changed according to the function of each component. All may be mounted on the vehicle 2.

  When the driver support system is separately mounted on the vehicle 2 and the server 3, a communication function between the vehicle 2 and the server 3 is necessary. Information is also exchanged between the driver 1 and the vehicle 2 by using an identification card or the like possessed by the driver or by operating the vehicle 2 directly. Further, the vehicle 2 has a function of directly acting on the driver 1 on board (display, voice, etc.) or directly obtaining information (camera, sensor, etc.).

  In FIG. 2, each component of the vehicle 2 and the server 3 will be described.

  The function of the control unit 20 is realized by a computer, and controls the entire operation of the driver support system. The control unit 20 functions as a control unit. The operation of the driver support system is largely controlled in three modes. A psychological state learning mode, a psychological state response mode, and a psychological state setting mode.

  For example, when the driver 1 operates the mode setting unit 15, the control unit 20 is contacted to set and switch the mode. The mode setting unit 15 functions as a mode setting unit.

  In the psychological state learning mode, the classification and level of the psychological state are determined from the driving information of the driver 1, etc., and in the case of abnormal level determination, the driver 1 is inquired, and if necessary, the base data for determination is updated. It is a mode for.

  In the psychological state response mode, the classification and level of the psychological state are determined from the driving information of the driver 1, etc., and in the case of abnormal level determination, the response action preset according to the driver 1 is referred from the database, This mode is for suppressing the occurrence of an accident caused by the psychological state of the driver to be executed.

  The psychological state setting mode is a mode for registering response operation data in which an arbitrary driver 1 newly registers response operation data for each classified psychological state related to the driver 1 in the database.

  Details of the control procedure in each mode will be described later.

  The driver identification unit 16 identifies the driver 1 who is on the vehicle 2. The driver identification unit 16 functions as a driver identification unit.

  For example, the driver 1 causes the card reader near the driver's seat to perform personal recognition using an identification card when boarding. Alternatively, authentication by RFID or the like, or a method of operating an input terminal to input an ID or password may be used.

  The driver identification information is communicated from the driver identification unit 16 to the control unit 20 and used for data reference corresponding to the corresponding driver 1 in the database 71.

<Psychological state determination means>
The psychological state determination unit 30 obtains the classification and level of the psychological state from the driving information of the driver 1 and the like. Further, it is determined whether or not it is abnormal (abnormal) as compared with the reference level. The psychological state determination unit 30 functions as a psychological state determination unit in the psychological state learning mode or in the psychological state response mode.

  The digitizing unit 31 digitizes information related to the driving operation of the driver 1, psychological information, and the like. Information relating to the driving operation and psychological information relating to the driver 1 are acquired as follows.

  The operation unit 11 is a device for performing a driving operation, for example, a sensor that detects an operation amount of an accelerator, a brake, a handle, and the like, and outputs a signal. The digitizing unit 31 acquires a signal from the operation unit 11 as driving operation information and digitizes the psychological state classification.

  The sensor unit 12 is a device for obtaining psychological information from the driver 1 itself, such as a video camera, and outputs image data including the facial expression of the driver. The digitizing unit 31 analyzes the image data from the sensor unit 11 and digitizes the psychological state classification.

  The classification unit 32 acquires the digitized data from the digitizing unit 31, calculates the numerical value for each input item from the operation unit 11 and the sensor unit 12 for each psychological state classification, classifies the psychological state, and calculates the level To do.

  FIG. 3 illustrates a list of input items from the operation unit 11 and the sensor unit 12 and a list of psychological state determinations in a table format. Here, the input of each item of driving operation and image determination is integrated individually or by a plurality of items, and the classification and level of the psychological state are obtained.

  The determination unit 33 acquires the psychological state classified by the classification unit 32 and its level, and compares it with the reference level of the corresponding driver 1 in the psychological state to determine whether or not it is abnormal.

  The reference level is acquired from the database 71 by the control unit 20 via the database reference unit 50 and provided to the determination unit 33, as will be described later. The reference level is predetermined or updated in the psychological state learning mode.

  When the determination unit 33, that is, the psychological state determination unit 30, determines that the psychological state is abnormal, the psychological state classification and the level are passed to the control unit 20, and in the psychological state learning mode, data collection, psychological state In the response mode, it is used to suppress the occurrence of an accident caused by the driver's psychological state.

<Psychological state learning means>
When the psychological state determination unit 30 determines that the psychological state of the driver 1 is not normal (abnormal), the psychological state learning unit 40 inquires the driver 1 and obtains an answer. Depending on the answer, the corresponding data in the database 71 is obtained. Update. The psychological state learning unit 40 functions as a psychological state learning unit in the psychological state learning mode.

  When the inquiry response unit 41 receives information on the psychological state classification determined to be abnormal from the control unit 20, the inquiry response unit 41 inquires the corresponding driver 1 about the psychological state, obtains an answer, and updates the data to the control unit 20. To hand over. The inquiry about the psychological state and the answer acquisition are executed as follows.

  The display unit 13 is a device for displaying inquiry contents to the driver 1, for example, a display for display, a speaker for voice, and the like, and inquires about the validity of the determination result of the psychological state received from the inquiry response unit 41. The contents are displayed or presented by voice.

  The input unit 14 is a device for the driver 1 to input an answer to the inquiry, for example, a YES input button, a NO input button, or the like, and the inquiry response unit 41 receives an answer as to whether the determination result of the psychological state is appropriate. 14 from the driver 1.

  FIG. 4 is an external view showing an example of the display unit 13 and the input unit 14 provided near the driver's seat of the driver 1. The driver 1 responds to the inquiry displayed or displayed on the display unit 13 by pressing either the YES input button 14a or the NO input button 14b installed on the handle.

  FIG. 5 illustrates in tabular form a list of psychological state classification items for which an inquiry response is made by the display unit 13 and the input unit 14, and a list of inquiry contents and answers. Here, an inquiry (is it impatient?) Is output to the display unit 13 with respect to the determined psychological state (for example, being impatient) and the degree of abnormality (difference from the reference level), and the driver 1 is input at the input unit 14. An example of obtaining the answer (for example, YES) is shown.

  When the response from the driver 1 is acquired, the inquiry response unit 41, that is, the psychological state learning unit 40, adds a data update request in the case of an answer that denies the determination result, and delivers it to the control unit 20 for data update.

  As will be described later, the control unit 20 accesses the database 71 via the database reference unit 50 and updates the psychological state classification standard level data related to the driver 1.

  As described above, in the psychological state learning mode, data collection and update processing corresponding to the driver are performed in real time, so that the psychological state classification and abnormality determination according to the driver can be performed with higher accuracy.

<Psychological state response means>
When the psychological state determination unit 30 determines that the psychological state of the driver 1 is not normal (abnormal), the psychological state response unit 60 refers to the corresponding data in the database 71 and determines the accident caused by the psychological state of the driver 1. Acquire and execute response operation information necessary to suppress the occurrence. The psychological state response unit 60 functions as a psychological state response unit in the psychological state response mode.

  When the response operation unit 61 receives information on the psychological state classification determined to be abnormal from the control unit 20, the response operation unit 61 requests the control unit 20 to obtain a response operation.

  The control unit 20 accesses the database 71 of the psychological state storage unit 70 via the database reference unit 50, acquires a response action corresponding to the psychological state classification determined to be abnormal from the psychological state data of the corresponding driver 1, Delivered to the response operation unit 61.

  The response action for each psychological state classification is that each psychological state is abnormal, that is, the action necessary to suppress the occurrence of an accident caused by the psychological state is a psychological state setting mode described later. Are previously registered in the database 71.

  FIG. 6 illustrates the contents of the database 71 held by the psychological state storage unit 70, that is, lists of psychological state classifications and reference levels, corresponding response actions, and the like in a table format. For example, the data of the driver A is set to “play specified music” as a response action when the psychological state of “irritated” exceeds the reference level “XXX” indicated. In addition, “reducing engine output” is set as a response action to the psychological state “impressed”.

  The response operation unit 61 that has acquired the response operation from the control unit 20, that is, the psychological state response unit 60, executes a response operation for suppressing the occurrence of an accident caused by the acquired abnormal psychological state of the driver 1.

  For example, in the case of the driver A's “impressed” psychological state shown in FIG. 6, an operation of “decreasing the engine output” is executed. In addition, depending on the driver, it is also assumed that a response action such as “notify by voice” or “display a guide to a break point” in the navigator is set.

  In this way, in the psychological state response mode, based on the psychological state classification and abnormality determination in each driver, by performing a response action set in advance according to them, each driver can use a method suitable for each driver. Occurrence of accidents caused by psychological state can be suppressed.

<Psychological state setting means>
The control unit 72, the input unit 73, and the display unit 74 placed on the server 3 function as a psychological state setting unit. In the present embodiment, data registration and setting of the database 71 on the server 3 side can be performed by the driver 1 using the control unit 20, the input unit 14, and the display unit 13 on the vehicle 2 side. It is also possible to perform.

  The control unit 72 acquires necessary driver (for example, driver A) data from the database 71 and displays the data on the display unit 74 in an input format. The driver or the person in charge of input inputs a desired input item (response operation when the psychological state is abnormal, etc.) to the input unit 73.

  The control unit 72 acquires an input item (response operation or the like when the psychological state is abnormal) input to the input unit 73, accesses the database 71 again, and registers and sets it as a corresponding data item of the driver (for example, driver A). .

  The setting process of the database 71, that is, the psychological state setting mode (setting the response action) needs to be executed at least before the psychological state response mode (executing the response action).

  As a result, a response operation set in advance according to the psychological state of each driver can be performed, and an accident caused by each psychological state can be suppressed by a method suitable for each driver.

<Database reference means>
The database reference unit 50 accesses the database 71 held in the psychological state storage unit 70 in the server 3 here according to an instruction from the control unit 20, refers to the corresponding data in the psychological state response mode, and In the state learning mode, the corresponding data is updated, and in the psychological state setting mode, processing for registering the response operation of the corresponding data is performed. The database reference unit 50 functions as a database reference unit in each mode.

  In the psychological state response mode, the reference unit 51 accesses the database 71 and refers to the corresponding data. In the psychological state learning mode, the update unit 52 accesses the database 71 and updates the corresponding data.

  In the psychological state setting mode, the setting unit 53 accesses the database 71 (when performing registration setting operation on the vehicle 2 side), and performs processing for registering the response operation of the corresponding data.

  Since the access from the control unit 20 to the database 71 and the processing contents in each mode have already been described, further explanation will be omitted.

<Psychological state storage means>
The psychological state storage unit 70 placed in the server 3 is a storage device and holds a database 71. Access is accepted directly from the control unit 72 in the same server 3 or from the control unit 20 placed on the vehicle 2 side via the data reference unit 50. The psychological state storage unit 70 functions as a psychological state storage unit in each mode.

  The database 71 is a database of information such as a reference level for abnormality determination and a response action applied at that time for each psychological state classification regarding the psychological state during driving of each driver. The reference unit 51, the update unit 52, and the setting unit 53 of the data reference unit 50 perform reference, update, and registration setting processes, respectively.

  The contents of the database 71, that is, a list of psychological state classifications and reference levels, corresponding response actions, etc. are shown in FIG. 6 and have already been described.

(Operation flow of driver support system)
An example of the operation procedure of the driver support system according to the present embodiment will be described with reference to FIG. FIG. 7 is a flowchart showing an example of an operation procedure of the driver support system according to the present embodiment.

  In FIG. 7, when the operation starts, first, in step S1, the driver is identified. The driver identification unit 16 identifies the driver 1 boarding the vehicle 2 and notifies the control unit 20. This is used for data reference corresponding to the corresponding driver 1 in the database 71.

  The device identification method and method have been described above. Various known techniques can be applied.

  Next, in step S <b> 2, the driver 1 sets a control mode by the mode setting unit 15.

  As described above, the psychological state learning mode is a mode for data collection for updating the determination base data, and the psychological state response mode is a mode for executing a preset response action in the case of abnormality determination. The psychological state setting mode is a mode for newly registering response operation data for an arbitrary driver.

  In step S3, the control unit 20 determines the mode set by the mode setting unit 15, and controls any one of the psychological state learning mode in step S10, the psychological state response mode in step S20, and the psychological state setting mode in step S30. Execute.

  The psychological state setting mode is initial data setting, and only this mode is executed except during driving. In the psychological state learning mode, data is collected during driving and used for learning, and no response action is performed. The psychological state response mode is for normal running and performs a response operation for suppressing the occurrence of an accident caused by the psychological state.

  Accordingly, mode control is performed in these modes basically in the above order. Depending on circumstances, the order may be changed, and a plurality of modes (for example, psychological state learning mode and psychological state response mode) may be executed in parallel.

  Details of operation control in each mode will be described below.

<Operational flow of psychological state learning mode>
FIG. 8 is a flowchart showing an example of an operation procedure in the psychological state learning mode of the driver support system. An example of an operation procedure in the psychological state learning mode will be described with reference to FIG.

  In FIG. 8, steps S <b> 11 to S <b> 13 are operations mainly related to the psychological state determination unit 30, and steps S <b> 14 to S <b> 16 are processes mainly related to the psychological state learning unit 40.

  First, in step S11, the digitizing unit 31 digitizes driving operation information from the operation unit 11 and sensor data (image data) from the sensor unit 12 for psychological state determination.

  Next, in step S12, the classification unit 32 performs arithmetic processing from the quantified parameters, classifies it into a predetermined psychological state, and obtains a level.

  In step S13, the determination unit 33 compares the classified psychological state and its level with the reference level in the psychological state of the driver, and determines whether or not it is abnormal. However, the reference level is referred to from the database 71 through the route described above.

  If the determination exceeds the reference level (abnormal) (step S13; YES), step S14 and subsequent steps are executed, that is, a learning processing operation is performed. If the determination is below the reference level (normal) (step S13; NO), the process proceeds to step S17 to determine whether or not to end the mode.

  In step S <b> 14, the inquiry response unit 41 displays the inquiry content on the display unit 13 for the psychological state classification determined to be unusual, and confirms the appropriateness of the psychological state determination to the driver 1.

  Subsequently, in step S <b> 15, the inquiry response unit 41 acquires the answer of the driver 1 from the input unit 14 and delivers it to the control unit 20 for data update.

  In step S16, the control unit 20 accesses the database 71 via the above-described path (the update unit 52 of the data reference unit 50), and updates the data of the corresponding driver. However, when the answer obtained in step S15 recognizes the validity of the determination, it may not be updated.

  The learning process is finished as described above, and in step S17, the control unit 20 determines whether or not there is communication of mode end or switching by the mode setting unit 15. If there is a notification of mode end or switching (step S17; YES), this mode is ended. If not (step S17; NO), the process is repeated from the first step S11 until the mode ends.

<Operational flow in psychological response mode>
FIG. 9 is a flowchart showing an example of an operation procedure in the psychological response mode of the driver support system. An example of the operation procedure in the psychological response mode will be described with reference to FIG.

  In FIG. 9, steps S <b> 21 to S <b> 23 are operations mainly related to the psychological state determination unit 30, and steps S <b> 24 to S <b> 25 are processes mainly related to the psychological state response unit 60.

  The first step S21 to step S23 are the same as step S11 to step S13 in the operation flow of the already described psychological state learning mode, and the description of the procedure is omitted.

  In step S21 to step S23, after the psychological state determination process of the driver 1 is performed, if the determination exceeds the reference level (abnormal) (step S23; YES), step S24 and the subsequent steps are executed. Responds. If the determination is below the reference level (normal) (step S23; NO), the process proceeds to step S26 to determine whether or not to end the mode.

  In step S24, the control unit 20 accesses the database 71 via the above-described route (the reference unit 51 of the data reference unit 50), and the response operation data regarding the psychological state classification determined to be abnormal from the data of the corresponding driver. Is obtained and delivered to the response operation unit 61.

  In step S25, the response operation acquired by the response operation unit 61 is presented on the display unit 13 or the like (for example, a display or a voice warning). Alternatively, for example, a response operation acquired by linking with an appropriate device is performed, such as playing designated music or lowering the engine output.

  After execution of the response operation, whether or not there is an effect of psychological state improvement or the like returns to the first step S21 and repeats until it is determined that the determination of the psychological state is not abnormal.

  If the determination is below the reference level (normal) in step S23 (step S23; NO), the response operation process is terminated, the process proceeds to step S26, and it is determined whether or not to end the mode.

  In step S <b> 26, the control unit 20 determines whether the mode setting unit 15 has notified of mode termination or switching. If there is a notification of mode end or switching (step S26; YES), this mode is ended. If not (step S26; NO), the process is repeated from the first step S21 until the mode ends.

<Operational flow of psychological state setting mode>
FIG. 10 is a flowchart showing an example of an operation procedure in the psychological state setting mode of the driver support system. An example of an operation procedure in the psychological state setting mode will be described with reference to FIG.

  The processing in FIG. 10 is mainly related to the control unit 72, the input unit 73, and the display unit 74 placed in the server 3, but as described above, the control unit 20 and the input unit 14 on the vehicle 2 side. And the process which the display part 13 mainly concerns may be sufficient (it demonstrates as this case hereafter).

  First, in step S31, the control unit 20 (72) accesses the database 71 via the above-described route (the setting unit 53 of the data reference unit 50, etc.), and refers to each psychological state classification data of the corresponding driver. The acquired data is displayed on the display unit 14 (74) in an input format.

  Next, in step S32, the control unit 20 (72) acquires the input items (such as a response action when the psychological state is abnormal) input to the input unit 13 (73), accesses the database 71 again, and Register and set as the corresponding data item.

  When the registration setting process is completed and the control unit 72 on the server 3 side is involved, this mode ends. If the control unit 20 on the vehicle 2 side is controlling, step S33 is executed.

  In step S <b> 33, the control unit 20 determines whether the mode setting unit 15 has notified of mode termination or switching. If there is a notification of mode end or switching (step S33; YES), this mode is ended. If not (step S33; NO), setting registration is repeated from the first step S31 until the mode ends.

  This is the end of the description of the operation flow of the driver support system according to the present embodiment.

  As described above, according to the driver support system of the present invention, information related to the driving operation of the driver is acquired during driving of the vehicle, and the association between the information and the psychological state of the driver is learned by exchanging with the driver. Alternatively, the driver's psychological state is determined based on the learning result, and a preset response action is executed corresponding to each determined psychological state.

  Thereby, the classification and abnormality determination of the psychological state according to the driver can be performed with high accuracy, and the occurrence of an accident caused by the psychological state of the driver can be suppressed by performing an action according to the determination result.

  In addition, the above-mentioned embodiment is an illustration and restrictive at no points. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

It is a block diagram which shows the schematic structural example of a driver support system. It is a block diagram which shows schematic function structure of the driver support system of FIG. It is a figure which shows the list | wrist of each input item from the operation part 11 and the sensor part 12, and the list | wrist of a psychological state determination in a table | surface form. FIG. 4 is an external view showing an example of a display unit 13 and an input unit 14 provided near the driver's seat of the driver 1. It is a figure which shows each psychological state classification | category item with which an inquiry response is made by the display part 13 and the input part 14, and the list of inquiry content and an answer with a table | surface form. It is a figure which shows the list | wrist of the content of the database 71 which the psychological state memory | storage part 70 hold | maintains, ie, each psychological state classification | category, a reference level, and a response action corresponding to it. It is a flowchart which shows the example of an operation | movement procedure of a driver support system. It is a flowchart which shows the example of an operation | movement procedure in the psychological state learning mode in FIG. It is a flowchart which shows the example of an operation | movement procedure in the psychological state response mode in FIG. It is a flowchart which shows the example of an operation | movement procedure in the psychological state setting mode in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Driver 2 Vehicle 3 Server 11 Operation part 12 Sensor part 13 Display part 14 Input part 15 Mode setting part 16 Driver identification part 20 Control part 30 Psychological state determination part 31 Numerical value part 32 Classification part 33 Determination part 40 Psychological state learning part 41 Inquiry response unit 50 Database reference unit 51 Reference unit 52 Update unit 53 Setting unit 60 Psychological state response unit 61 Response operation unit 70 Psychological state storage unit 71 Database 72 Control unit 73 Input unit 74 Display unit

Claims (5)

Psychological state determination means for acquiring information related to the driving operation of the driver who is driving the vehicle, and determining the classification and level of the psychological state of the driver from the information;
A psychological state response unit that performs a predetermined response operation for suppressing the occurrence of an accident caused by the psychological state of the driver based on the classification and level of the psychological state determined by the psychological state determination unit;
Control means for controlling operations of the psychological state determination means and the psychological state response means;
A driver support system with
Psychological state storage means for holding a database consisting of data in which the response behavior to the driver is associated with the classification and level of the driver's psychological state;
Database reference means for accessing the database held by the psychological state storage means and performing data setting, reference, and update processing;
Psychological state learning means for inquiring the driver and obtaining an answer to the classification and level of the psychological state of the driver driving the vehicle determined by the psychological state determining means;
With respect to the control by the control means, the mode setting means for setting either the psychological state response mode during normal running and the psychological state learning mode during data collection, or setting both,
The control means includes
When the psychological state response mode is set by the mode setting means,
Based on the psychological state classification and level of the driver who is driving the vehicle determined by the psychological state determining unit, the database referring unit refers to the response operation from the database held in the psychological state storing unit to the driver. , Control the psychological state response means to execute,
When the psychological state learning mode is set by the mode setting means,
Depending on the response obtained by inquiring the driver with the psychological state learning means with respect to the classification and level of the psychological state of the driver who is driving the vehicle determined by the psychological state determining means, A driver support system, characterized in that control is performed to update data relating to the driver in the database held by the state storage means. Comprising a driver identification means for identifying a driver driving the vehicle;
The database held by the psychological state storage means includes, for a plurality of drivers, data that associates a response action to the driver with the classification and level of the psychological state for each driver,
The driver support system according to claim 1, wherein the database reference unit accesses data corresponding to the driver identified by the driver identification unit in the database. The psychological state determination means includes
The image information of a driver driving a vehicle is acquired, and the psychological state classification and level of the driver are determined based on the image information and information related to the driving operation. Driver support system as described in In the database held by the psychological state storage means,
It contains data on the reference level for each psychological classification of the driver driving the vehicle,
The psychological state determination means includes
Comparing the classification and level of the psychological state of the driver who is driving the vehicle with the reference level of the corresponding psychological state classification of the database to determine whether the state is different from the normal state,
The control means includes
When it is determined by the psychological state determination means that the classification and level of the psychological state of the driver are in a state different from normal,
When the psychological state response mode is set by the mode setting means,
Control the database reference means to refer to the response content of the database to the driver, and execute the psychological state response means,
When the psychological state learning mode is set by the mode setting means,
4. The driver support system according to claim 1, wherein control is performed so that the psychological state learning unit inquires of the driver and obtains an answer. 5. The mode setting means includes a psychological state setting mode,
The control means includes
When the psychological state setting mode is set by the mode setting means,
5. The control according to claim 2, wherein the database reference unit controls to newly register response operation data for each classified psychological state related to an arbitrary driver in the database held by the psychological state storage unit. The driver support system according to any one of the above.

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