WO2020039994A1

WO2020039994A1 - Car sharing system, driving control adjustment device, and vehicle preference matching method

Info

Publication number: WO2020039994A1
Application number: PCT/JP2019/031793
Authority: WO
Inventors: 知柔今林; 一希笠井; 晴香谷口; 慎江上; 佐久間　淳; 栄造北村; 加藤　重之; 泰秀與茂
Original assignee: オムロン株式会社
Priority date: 2018-08-23
Filing date: 2019-08-13
Publication date: 2020-02-27

Abstract

In this car sharing system for renting a vehicle which is shared and used by a plurality of users, setting is made to perform driving control, vehicle cabin space environment control, navigation, and the like in accordance with the preference of a user individual when usage is started. A car sharing system 1 is provided with: a preference data server 200 including a preference database that stores users' preference data; and a driving control adjustment device 100 that is used in a driving control system DC for performing driving control such as automatic driving of a vehicle, and that transmits/receives preference data to/from the preference data server. The driving control adjustment device is provided with: a vehicle state acquisition unit 40 that acquires the state of the vehicle; a biological information acquisition unit 10 that acquires biological information about a user; an occupant state determination unit 20 that determines the state of the user on the basis of the biological information acquired by the biological information acquisition unit; and a preference data generation unit 30 that generates preference data indicating the relationship between the state of the user determined by the occupant state determination unit and the state of the vehicle acquired by the vehicle state acquisition unit.

Description

Car sharing system, driving control adjustment device, and vehicle preference matching method

The present invention relates to a car sharing system, a driving control adjustment device used in a driving control system that performs driving control such as automatic driving of a moving body such as a vehicle used in the car sharing system, and a vehicle matching method.

技術 Conventionally, there has been proposed a technology for controlling a vehicle by adapting to the sensations and preferences of the occupants of the vehicle. For example, Patent Literature 1 discloses an automatic parameter tuning system for a connected car based on a user profile for the purpose of customizing the operation of a driving support system based on user preferences. In this system, the vehicle has a function of receiving a wireless message via a wireless network and changing a control parameter of the driving assistance system. The wireless message includes optimization setting value data describing how to change the operation of the driving support system based on the preference of the user who has reserved the use of the vehicle with respect to the operation of the driving support system. In the changing step, the control parameters of the driving support system are changed based on the optimization set value data so that the operation of the driving support system matches the user's preference.

特許 Patent Document 2 discloses a travel control device capable of performing travel control that matches the occupant's feeling. This traveling control device controls automatic driving capable of traveling without requiring driving operation of the driver or automatic driving assisting driving operation of the driver. The travel control device relaxes the restriction on the vehicle body behavior amount in automatic driving according to the state of the occupant detected by the occupant sensor.

JP 2017-206239 A JP 2018-039460 A

In recent years, autonomous driving and driving support systems have been adopted for vehicles, and it is expected that the number will increase further in the future. Further, it is estimated that vehicles driven by such a system are used for car sharing, and the number of cases where one vehicle is shared (shared, shared) by a plurality of people will increase. Even in such car sharing, it is normal for each person sharing to have a preference and a sense of how to drive, etc., so that each time a shared car is used, there is no need for complicated setting work. It is preferable that the share car is adapted to the user's taste and feeling from the beginning.

The present invention has been devised in view of such circumstances, and when starting to use a shared car (including a rental car), the present invention performs driving control, vehicle interior space environment control, navigation, etc., which suits the user's personal preference. The present invention is to provide a driving control adjustment device, a car sharing system, and a vehicle matching method which are set in the vehicle.

In order to solve the above problems, a car sharing system for renting a vehicle shared by a plurality of users, a preference data server including a preference database storing user preference data, A drive control adjustment device that is used in a drive control system that executes at least one drive control of automatic driving and that transmits and receives a preference data server and preference data, wherein the drive control adjustment device acquires a state of the vehicle. A state acquisition unit, a biological information acquisition unit that acquires the biological information of the user, an occupant state determination unit that determines the state of the user based on the biological information acquired by the biological information acquisition unit, and an occupant state determination unit. A preference data generation unit that generates preference data indicating a relationship between the determined user state and the vehicle state acquired by the vehicle state acquisition unit. Sharing system is provided.
According to this, each time the user drives, the preference data is generated and stored in the server, so that when starting to use the shared car, driving control, vehicle interior space environment control, It is possible to provide a car sharing system that is set to perform navigation and the like.

Further, the preference data server includes a user biometric information database that stores biometric authentication information of the user, and the driving control adjustment device includes a biometric information obtaining unit that obtains biometric information of the user; An authentication unit that authenticates that the user has been registered in the user biometric information database in advance using the biometric authentication information obtained by the unit, and when the authentication unit authenticates, the preference data generation unit performs communication. The preference data generated by the preference data generation unit may be output to the preference data server via the unit, and the preference data server may store the output preference data in a preference database.
According to this, the user can be specified by the biometric authentication, and the user's preference data can be reliably stored, so that it can be set so that the driving control or the like that matches the user's personal preference is performed.

Further, when the authentication unit is authenticated, the operation control adjustment device acquires the authenticated user's preference data from the preference data server via the communication unit, and outputs the acquired preference data to the operation control system. It may be a feature.
According to this, the accumulated preference data of the user is received, and the preference data is output to the driving control system. It is possible to provide a car sharing system that is more suitable for tastes.

Furthermore, the biological information acquisition unit includes a steering torque sensor, and the occupant state determination unit determines that the user is in a nervous state when the operation reaction force detected by the steering torque sensor is equal to or more than a predetermined value. Is also good.
According to this, it is possible to accumulate highly-accurate preference data by detecting the tension state of the user from the steering operation that makes it easy to detect the state of the driver who is the user.

In order to solve the above-mentioned problem, there is provided an operation control adjustment device used in an operation control system that executes at least one of driving support and automatic operation of a moving body, and a moving body state acquisition that acquires a state of the moving body. Unit, a biological information acquisition unit that acquires the biological information of the occupant of the moving object, an occupant state determination unit that determines the state of the occupant based on the information acquired by the biological information acquisition unit, and an occupant state determination unit that determines There is provided an operation control adjustment device including: a preference data generation unit configured to generate preference data indicating a relationship between a state of an occupant and a state of a moving body acquired by a moving body state acquisition unit.
According to this, each time a user drives, the preference data is generated and output to an external driving control system, thereby performing driving control, vehicle interior space environment control, navigation, etc. that match the user's individual preference. An operation control adjustment device can be provided.

In order to solve the above-mentioned problems, a car sharing system for renting a vehicle shared by a plurality of users is provided, and a preference data server including a preference database, and driving control of at least one of driving support and automatic driving of the vehicle. It is used in a driving control system that executes, a preference control method for vehicles in a car sharing system including a preference data server and a driving control adjustment device that performs transmission and reception of preference data,
A driving control adjustment device acquires the state of the vehicle,
B operation control adjustment device acquires the biological information of the user,
C operation control adjustment device determines the state of the user based on the acquired biological information,
D driving control adjustment device generates preference data indicating a relationship between the determined user state and the acquired vehicle state,
E The operation control adjustment device outputs the generated preference data to the preference data server,
F. The preference data server stores the output preference data in a preference database,
G driving control adjustment device, when the vehicle is rented by the user, acquires the stored preference data from the preference data server,
H operation control adjustment device outputs the acquired preference data to the operation control system,
Including
By repeating the above processes A to H, a vehicle preference matching method for adapting the vehicle to the user's preference is provided.
According to this, in the car sharing system, the preference data is generated and stored in the server every time the user drives, so that when starting the use of the shared car, driving control and vehicle matching the personal preference of the user are performed. It is possible to provide a vehicle preference matching method that is set to perform room space environment control, navigation, and the like, and gradually becomes more suitable for personal preference.

As described above, according to the present invention, when starting to use a shared car, a driving control adjustment device and a car control system that are set to perform driving control, vehicle space environment control, navigation, and the like that suit individual user preferences. It is possible to provide a sharing system and a vehicle matching method.

1 is an overall configuration diagram of a car sharing system according to a first embodiment of the present invention. FIG. 1 is a block configuration diagram of an operation control adjustment device according to a first embodiment of the present invention. FIG. 2 is a block diagram of an occupant state determination unit according to the first embodiment of the present invention. FIG. 2 is a block diagram of a preference data generation unit according to the first embodiment of the present invention. 4 is a flowchart of the overall processing of the operation control system according to the first embodiment of the present invention. 6 is a flowchart of processing for generating preference data according to the first embodiment of the present invention. FIG. 2 is an overall configuration diagram of a car sharing system according to a second embodiment of the present invention. FIG. 4 is a block diagram of an operation control adjustment device according to a second embodiment of the present invention. 9 is a flowchart of the overall processing of the operation control system according to the second embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<First embodiment>
With reference to FIG. 1 and FIG. 2, a car sharing system 1 and an operation control adjustment device 100 according to the present embodiment will be described. The car sharing system 1 includes a driving control and adjusting device 100, a preference data server 200, and a vehicle reservation device 300 installed in a vehicle CR, which is a moving body, and these are connected to each other via a network. The vehicle CR is a shared car or a rental car shared by a plurality of users, and the car sharing system 1 is a system for renting a vehicle CR to a user. A user of the car sharing system 1 is registered as a member in advance. The vehicle CR may be a shared car shared (shared) by a plurality of persons. In addition, the moving object includes a car such as a private car or a bus, and a vehicle such as a train.

The vehicle reservation device 300 is a member database MDB that stores a member who is a user of the car sharing system 1, a vehicle reservation database RDB that stores a status of a vehicle CR reservation made by the member, and a reservation that connects to a network to perform communication. The apparatus includes a device communication unit 302 and a reservation device control unit 301 that controls all of them. The member operates the vehicle reservation device 300 by requesting the operator of the car sharing system 1 or by himself, and makes a reservation for his favorite vehicle CR. The vehicle reservation device 300 allocates the vehicle CR to the reserved member at the reserved time. The reservation device communication unit 302 has a function of a known network interface that can be connected to the Internet or the like. The reservation device control unit 301 includes a well-known arithmetic processing device and memory, general-purpose software, an application for the vehicle reservation device 300, and the like.

The preference data server 200 includes a preference database SDB that stores the preferences of members for driving, a server communication unit 202 that communicates by connecting to a network, and a server control unit 201 that controls these components. The preference database SDB stores data on the preference of the member who is the driver for driving. Driving preference data includes relationships between favorable / unfavorable driver's emotions and conditions, such as pleasant / unpleasant, relaxing / tension of members, and the state of the vehicle that caused these emotions and conditions. It is data indicating the nature. The emotion and state of the driver are indicated in the biological information acquired by the biological information acquisition unit 10 (measuring device 10) described later, and are comprehensively determined by the occupant state determination unit 20 described later. In addition, the state of the vehicle is indicated by data on the vehicle state acquired by the vehicle state acquisition unit 40 described later. The server communication unit 202 has a function of a known network interface that can be connected to the Internet or the like. The server control unit 201 includes a known processing unit and memory, general-purpose software, an application for the preference data server 200, and the like.

Preference data includes, for example, an unfavorable vehicle state for a specific member, such as an inter-vehicle distance of less than 3 m, a traveling speed of 90 km / h or more, and an acceleration in the longitudinal direction during deceleration of 1 G or more. Further, as a preferred vehicle state for a specific member, the inter-vehicle distance is 5 m or more, the traveling speed is 80 km / h or more, and the acceleration before and after deceleration is less than 0.5 G. In another aspect, the preference data may indicate the relationship by a function including a plurality of parameters of the vehicle state. It should be noted that the preference data of the member who made the reservation for the first time is not stored in the preference database SDB, but a questionnaire about the driving preference may be made at the time of reservation, and a default value for the driving preference may be prepared. For example, if you are a beginner driver who is not good at driving, you will need more driving assistance, choose a road that is easy to drive for navigation, or if you are a skilled driver who likes driving, you will use heavy steering, stiff suspension, and navigation will be a toll road Or may be selected. This makes it possible to experience a ride that is close to the feeling of a car you are always on, even if you are riding for the first time, and you can enjoy a drive while feeling familiarity

The operation control adjustment device 100 is installed in a vehicle CR having a function of being connected to a network. As shown in FIG. 2, the vehicle CR includes a driving control system DC that performs driving support and automatic driving control of the vehicle CR. The operation control system DC includes many sensors in addition to sensors related to a main control system for acceleration, steering, and braking in order to perform driving support and automatic driving. For example, vehicle sensors (vehicle sensors 1 to 4 in this figure) include an acceleration sensor, a vehicle speed sensor, a steering angle sensor, a vibration sensor, a yaw rate sensor, a gyroscope, an inter-vehicle distance sensor, a camera, a LIDAR, and a position sensor (GPS: Global). Positioning @ System), road sign sensors, in-vehicle networks, and the like, and acquire information such as target physical quantities from many information sources.

The driving control system DC also includes a number of ECUs (Electronic Control Units) that actually control the driving support (ECUs 1 to 3 in this figure). For example, those related to the main control system include an auto cruise ECU, an engine control ECU, a steering control ECU, a brake control ECU, and the like. Each ECU is provided with an actuator (actuators 1 to 3 in this figure) corresponding to a motor, a solenoid, and the like, which generates an operation. For example, the engine control ECU corresponds to the engine, the steering control ECU corresponds to the steering, and the brake control ECU corresponds to the brake. For example, the steering control ECU controls steering as an actuator in accordance with a steering angle detected by a steering angle sensor that is one of vehicle sensors.

運転 The operation control system DC also includes an automatic operation ECU that actually controls automatic operation. The automatic driving ECU determines each control amount by comprehensively adjusting the respective ECUs. For example, in autonomous driving, a vehicle traveling on a white line or around the road is detected from information from vehicle sensors such as a laser radar or a camera that monitors the front or around the vehicle, and a traveling locus is determined. Calculate the running speed and steering angle to move to the point.

Note that there are various modes of the driving support and the automation level of the automatic driving, and accordingly, various combinations of the ECU and the actuator are conceivable. For example, in a lane keeping assist system that is considered to be one of automatic driving, when the vehicle CR is likely to deviate from the lane, the steering control ECU controls the steering so as not to deviate from the lane. On the other hand, the lane departure prevention support system, which is considered as one of driving assistance, issues a warning to the driver when the vehicle CR is likely to deviate from the lane, and assists the driver in controlling the steering in response to the warning. . The combination of the vehicle sensors 1-4, the ECUs 1-3, and the actuators 1-3 is not a fixed relationship but changes according to the level of automation and the state of the vehicle CR.

The operation control system DC further includes a communication unit COM. The communication unit COM has a function of a known network interface that can be connected to the Internet or the like. The communication unit COM is connected to a communication bus (for example, CAN (Car \ Area \ Network)) of the vehicle CR, and each ECU including the driving control adjustment device 100 is connected to the outside via the communication unit COM. Data can be transmitted and received with the preference data server 200.

The driving control adjustment device 100 is provided in the driving control system DC by being connected to the ECUs 1 to 3 and the vehicle sensors 1 to 4 via a communication bus. The driving control adjustment device 100 is used in a driving control system DC that executes at least one of driving support and automatic driving of the vehicle CR as described above. The operation control adjustment device 100 outputs a control amount when the operation control system DC controls the actuators 1 to 3 as described later, and supports the operation control system DC.

The driving control adjustment device 100 includes a biological information acquisition unit 10 (measuring device 10), an occupant state determination unit 20, a preference data generation unit 30, and a vehicle state acquisition unit 40. The biological information acquisition unit 10 acquires information on a biological signal of a driver who is an occupant of the vehicle CR. The driver is a member who has made a reservation for the vehicle CR. The biological signal includes at least vital signs, reflection, and voluntary movement. Vital signs are proof of living as a living thing, reflex is an unconscious reaction of the living thing, and voluntary movement is movement and vocalization based on the will and intention of the living thing.

Vital signs include blood pressure, pulse rate, respiratory rate, body temperature, and the like. Also similar to vital signs are sweating, brain waves, pupillary reflex (light reflex), urinary volume in the bladder, arterial oxygen saturation (SpO ₂ ), consciousness level (consciousness scale: GCS (Glasgow Coma Scale), JCS (Japan) Coma Scale). The reflection is a chemical reflection, a physical reflection, or an electric reflection. The chemical reflex is, for example, a reflex in which the respiratory rate decreases and the blood oxygen concentration (oxygen saturation) decreases. Physical reflexes are, for example, reflexes that close the eyelids when exposed to intense light in the eyes or that cause the muscles to be tense when the patella tendon is stimulated. The electrical reflex is, for example, a reaction in which a muscle responds and contracts when a low-frequency electrical stimulus is applied.

The measuring device 10 (biological information acquisition unit) that measures these may be provided on a seat surface, a backrest, a headrest, an armrest, or the like of a seat on which a driver sits, and may directly or indirectly measure these. Alternatively, an imaging device that irradiates a driver with electromagnetic waves having wavelengths of visible light / invisible light and can capture an image of the reflected light may be used.

For example, to acquire heart rate data, a millimeter wave radar, a vibration sensor, or the like is used as the heart rate sensor 11. To acquire respiration data, a millimeter wave radar, a vibration sensor, or the like is used as the respiration sensor 11 (not shown). To acquire pulse wave data, a millimeter wave radar, a vibration sensor, or the like is used as the pulse wave sensor 11 (not shown). In order to acquire perspiration data, a humidity sensor (capacitance), an impedance sensor, or the like is used as the perspiration sensor 11 (not shown). To acquire body temperature data, an imaging device equipped with thermography or the like is used as the body temperature sensor 11 (not shown). The camera 12 is used to acquire pupil and eyelid movement data. The camera 12 obtains eye movement data based on the size of the pupil, the number of blinks, the line of sight, and the like, and the occupant also obtains information such as the shaking of the head, the facial expression formed from the eyes / interline / lips / mouth corner, and the like. As state data. To acquire audio data, an audio microphone 11 (not shown) is used. The voice microphone 11 can acquire data such as its timbre by capturing the frequency as a frequency, and can also acquire the meaning of utterance as data by combining voice recognition technology. In order to acquire the data of the urinary bladder volume, a device using ultrasonic waves is used as the urinary bladder volume measurement sensor 11 (not shown). A pulse oximeter or the like is used to obtain arterial blood oxygen saturation data. To obtain consciousness level data, a question may be asked from a speaker, and the response may be collected and detected. The steering torque sensor 13 is used to directly obtain the driver's tension state. Since the driver tends to squeeze the steering hard when nervous, the driver's nervous state is acquired by acquiring the operation reaction force detected by the steering torque sensor 13. These measuring devices 10 are merely examples, and the acquisition method is not particularly limited as long as the desired data can be acquired.

The occupant state determination unit 20 determines the state of the driver based on the biological information acquired by the biological information acquisition unit 10. The occupant state determination unit 20 will be described with reference to FIG. The measuring device 10 will be described as an example of a heart rate sensor 11, a camera 12, and a steering torque sensor 13, and the vehicle sensors 1 to 4 will be described as an example of a sensor that detects the steering angle and moment strength of the steering.

The occupant state determination unit 20 receives image data from the camera 12, stores the image data, and extracts the image data stored in the image storage unit 21, and extracts a face image feature value extraction unit that extracts a feature value of the face image. 22 and a feature value analyzing unit 23 for analyzing the extracted feature value. Further, the occupant state determination unit 20 further receives heart rate data from the heart rate sensor 11, extracts the heart rate data storage unit 24 that stores the heart rate data, and extracts the heart rate data that the heart rate data storage unit 24 stores, and analyzes the heart rate data. A data analysis unit 25. Further, the occupant state determination unit 20 further receives, from the steering torque sensor 13, a reaction force (operation reaction force) applied by the driver to the steering during automatic steering, and stores the torque data storage unit 26. And a torque data analysis unit 27 that extracts torque data stored in the torque data storage unit 26 and analyzes the torque data. In addition, the occupant state determination unit 20 further performs comprehensive analysis based on the analysis results performed by the feature amount analysis unit 23, the heart rate data analysis unit 25, and the torque data analysis unit 27, and determines the state of the driver. An overall judgment unit 28 is provided.

The image storage unit 21, the heartbeat data storage unit 24, and the torque data storage unit 26 are configured by a memory, and store the image data, the heartbeat data, and the torque data in time series. The face image feature value extraction unit 22 extracts a feature value of a face portion of the image data stored in the image storage unit 21. For example, the face image feature amount extraction unit 22 extracts feature points around eyebrows and eyes, contour points, and nose and mouth from the face image. The feature analysis unit 23 analyzes the distance between the feature points extracted by the face image feature extraction unit 22 and the distribution of the feature of the pixel in the area surrounded by these feature points, and analyzes the attributes and facial expressions of the occupant. I do. In addition, the feature amount analysis unit 23 analyzes the change of the facial expression over time by comparing these feature points between two time points. The heart rate data analysis unit 25 extracts the heart rate data stored in the heart rate data storage unit 24, and analyzes the intervals and strengths of the heartbeats and their changes over time. The torque data analysis unit 27 extracts the torque data from the torque data storage unit 26 and, based on the reaction force (operation reaction force) given by the driver to the steering during automatic steering, calculates the steering angle and moment. Analyze the strength and their changes over time to estimate the driver's tension.

The overall determination unit 28 includes a result of the feature value analysis of the face image performed by the feature value analysis unit 23, a result of the heart rate data analysis performed by the heart rate data analysis unit 25, an operation reaction force from the steering torque sensor 13, and a steering angle. Based on the data of the moment and the moment, the state of each occupant is determined by comprehensive analysis. For example, if a nervous expression can be read from a face image of a certain occupant, the heart rate is faster based on the heart rate data, and it is estimated that the user is nervous from the operation reaction force, the driver may be nervous. It is determined that it is in the state. In addition, if the driver cannot read the facial expression as a tension expression from the face image, but is estimated to be nervous from the heartbeat data and the operation reaction force, the driver determines that the driver is nervous overall. Note that the case where it is estimated that the user is nervous also from the operation reaction force means a case where the operation reaction force detected by the steering torque sensor 13 by the occupant state determination unit 20 is equal to or more than a predetermined value. According to this, it is possible to accumulate highly-accurate preference data by detecting the tension state of the user from the steering operation that makes it easy to detect the state of the driver who is the user.

The comprehensive determination unit 28 acquires these biological signals measured by the measuring device 10 for the driver and determines whether the driver is relaxing, satisfied, uncomfortable, or nervous. Judgment is made as to whether the user is excited, afraid, has a motor sickness, is in a physical condition, and how clear is the consciousness. The above-described determination by the comprehensive determination unit 28 is an example, and comprehensively determines information obtained from various biological signals.

The vehicle state acquisition unit 40 is connected to a communication bus as shown in FIG. 2, and receives various types of vehicle sensors such as the acceleration sensor, the vehicle speed sensor, the steering angle sensor, the inter-vehicle distance sensor, the camera, and the like from the vehicle CR at that time. Data on the situation and the control amount of the main control system (vehicle state) is acquired.

(4) The preference data generator 30 will be described with reference to FIG. The preference data generation unit 30 generates preference data indicating a relationship between the driver state determined by the occupant state determination unit 20 and the state of the vehicle CR acquired by the vehicle state acquisition unit 40. The preference data generation unit 30 receives a driver's data and state and a vehicle state, and estimates a factor of the relationship between the two. The relationship estimation unit 31 and a relationship estimated by the relationship estimation unit 31 are used as data. A data generation unit 32 that generates and outputs the data.

The relationship estimating unit 31 communicates with the vehicle sensors 1 to 4 and the ECUs 1 to 3 which are connected to the vehicle state acquiring unit 40 or directly to the communication bus, and as the data relating to the vehicle state, the vehicle state and the control amount of the main control system. To get. The relationship estimating unit 31 is based on the relationship between the situation of the vehicle and the like, the biological information appearing as emotions and feelings acquired by the measuring device 10, and the driver's state based on the comprehensive determination performed by the occupant state determining unit 20. Then, what kind of movement of the vehicle CR affects the state of the driver and the like, and the factors of the relationship are analyzed. The analysis method may be correlation analysis, causal relationship analysis, learning by artificial intelligence, or the like, and the relationship between the state and the factor may be stored in a table in advance, and is not particularly limited.

The data generation unit 32 associates, as the preference data regarding the driving of the specific driver, the feeling or state of the driver that is favorable / unfavorable for the driver with the state of the vehicle that has caused these feelings or state. As a result, data indicating the relationship between the two is generated and output to the outside. For example, the relationship between a comfortable state (preferable state and emotion) for the driver and an inter-vehicle distance of 5 m or more, a traveling speed of 50 to 60 km / h, an accelerator / braking operation of less than 1 G, and the like are associated. Generate and output.

Note that biological information indicating emotions and feelings may be represented as a numerical stress value indicating a stress state. For example, the preference data generation unit 30 does not find any correlation between the information from the acceleration sensor, the vehicle speed sensor, and the steering angle sensor of the vehicle sensor and the stress value, but shows no correlation between the inter-vehicle distance sensor and the stress value. Is large, it is assumed that the driver is feeling stress when the inter-vehicle distance is small, and a relationship having such an association is generated. Further, the preference data generated by the data generation unit 32 may be correction data for correcting an initial setting value (default value).

When the preference data generation unit 30 generates the driver's preference data and outputs the data to the communication bus, the communication unit COM transmits the data to the preference data server 200 via the network. Upon receiving the preference data from the vehicle CR, the preference data server 200 stores the data in the preference database SDB. The driver makes a reservation for using the vehicle CR with the vehicle reservation device 300 when renting a share car that may have been set differently by another person driving next time. The vehicle CR to be reserved may be the same as the previous vehicle or a vehicle of a different vehicle type.

Then, before the driver gets on the reserved vehicle CR and starts driving, the driving control system DC of the vehicle CR downloads (receives) the driver's preference data from the preference data server 200. The driving control system DC calculates values such as the distance to another vehicle, lateral acceleration, longitudinal acceleration, yaw rate, running speed, and the like, which are comfortable for the driver, and functions using these as variables. This is given to the automatic driving ECU as a constraint condition. The automatic driving ECU adjusts control parameters so as to satisfy these constraints, performs calculations, calculates a target operation amount of an actuator to be controlled by each ECU, and gives a command to each ECU.

For example, in the case where the inter-vehicle distance and the vehicle state of the acceleration in the front-rear direction are to be controlled, and the inter-vehicle distance that the driver preferably feels is 5 m or more and the acceleration in the front-rear direction is less than 1 G, the traveling speed and the braking In the relational expression between the braking force, the braking distance, and the acceleration in the front-rear direction, the brake braking force and the braking distance when the acceleration in the front-rear direction at the current traveling speed is 1 G as a control parameter are calculated. The brake operation amount that can generate the brake braking force is given to the brake ECU as the target operation amount. The brake ECU drives the actuator to achieve the target operation amount. In addition, automatic driving is performed so that the calculated braking distance can be maintained equal to or more than the inter-vehicle distance added to 5 m. When the reserved driver gets on the vehicle, the vehicle CR sets the vehicle environment and navigation preferences such as tilt steering position, seat position, rearview mirror / side mirror position, air conditioner adjustment, and navigation setting. I do.

In this way, the preference data is generated and stored in the server every time the user drives, so that when starting use of the shared car, driving control, vehicle space environment control, navigation Car sharing system 1 can be provided that is set to perform such operations. Similarly, every time the user drives, the preference data is generated and output to an external driving control system DC, so that driving control, vehicle space environment control, navigation, and the like that match the user's personal preferences can be performed. It is possible to provide an operation control adjustment device 100 to be performed. According to this, the user of the car sharing system 1 takes over the preferences accumulated in the past use next, and adjusts the parameter of the passenger compartment space of his / her preference (seat, even if it is the first shared car / rental car). (Air conditioning, route, etc.), and can automatically set the driving control parameters of the car of your choice.

<Regarding the method of matching preference>
What has been described above is also a vehicle preference matching method used in the driving control system DC that performs at least one of driving support and automatic driving of the vehicle. Hereinafter, a control method (preference matching method) in the operation control adjustment device 100 of the car sharing system 1 will be described with reference to FIGS. 4 and 5.

It is a flow chart which shows the whole processing of operation control adjustment device 100. Note that S in the flowchart means a step. The operation control and adjustment device 100 starts when driving assistance or automatic operation is set. In S100, the operation control adjustment device 100 checks whether to acquire (download) the preference data from the preference data server 200. When the corresponding driver's preference data exists in the preference database SDB of the preference data server 200, the driving control adjustment device 100 acquires the corresponding preference data in S102, and transmits the corresponding preference data to the driving control system DC. Output to the automatic driving ECU or the like to adjust the control parameters. As a result, at the start of use of the shared car, settings are made to perform driving control, vehicle space environment control, navigation, and the like according to the user's personal preference.

In both cases where the driver's preference data exists and does not exist in the preference data server 200, the operation control adjustment device 100 performs a process of generating preference data in S200. Generating the preference data when the driver's preference data does not exist in the preference data server 200 means that the preference data is generated first. Further, generating the preference data when the driver's preference data exists in the preference data server 200 means generating data to be updated so as to be more adapted to the driver's preference. As shown in FIG. 6, the biological information acquisition unit 10 of the operation control adjustment device 100 reads images, heart rate data, and torque data (operation reaction force) from the camera 12, the heart rate sensor 11, and the steering torque sensor 13 in S201, as shown in FIG. . In S202, the vehicle state acquisition unit 40 of the driving control adjustment device 100 reads information on the state of the vehicle from various vehicle sensors.

The occupant state determination unit 20 of the driving control apparatus 100 analyzes the image, the heart rate data, and the torque data (operation reaction force) in S204, and comprehensively determines the driver's state from these analysis results in S206. . Then, in S208, the preference data generation unit 30 of the driving control adjustment device 100 analyzes the relationship between the driver's state comprehensively determined by the occupant state determination unit 20 and the vehicle state acquired by the vehicle state acquisition unit 40. , S210, the relationship between the two is generated and output as preference data.

In step S106, the driving control adjustment device 100 causes the automatic driving ECU and the like to adjust control parameters based on the preference data generated during driving of the driver. Thus, by generating (updating) the preference data each time the user drives, it is set so that the driving control, the vehicle interior space environment control, the navigation, and the like that gradually match the personal preference of the user are performed. The car sharing system 1 to be optimized can be provided.

The driving control adjustment device 100 checks in S106 whether the driver gets off the vehicle and ends driving. If the user does not get off, the generation of the preference data in S200 and the adjustment of the control parameters in S104 are repeated. When getting off, the driving control adjustment device 100 transmits the preference data that is being gradually optimized to the preference data server 200 in S108. According to this, each time the user drives, the preference data is generated and stored in the server, so that when the use of the shared car is started, the driving control that gradually matches the personal preference of the user, the vehicle interior space environment It is possible to provide the car sharing system 1 that is set to perform control, navigation, and the like and optimized.

What has been described above is used for the preference data server 200 having the preference database SDB and the driving control system DC for executing at least one of driving support and automatic driving of the vehicle CR, and transmission and reception of the preference data to and from the preference data server 200. And a driving control adjustment device 100 that performs the above-mentioned operation. This preference matching method,
A The driving control adjustment device 100 acquires the state of the vehicle CR,
B operation control adjustment device 100 acquires the biological information of the user,
C operation control adjustment device 100 determines the state of the user based on the acquired biological information,
D driving control adjustment device 100 generates preference data indicating the relationship between the determined user state and the acquired state of vehicle CR,
E The operation control adjustment device 100 outputs the generated preference data to the preference data server 200,
F. The preference data server 200 stores the output preference data in the preference database,
When the vehicle CR is rented out by the user, the G operation control adjustment device 100 acquires the stored preference data from the preference data server 200,
H The operation control adjustment device 100 outputs the acquired preference data to the operation control system DC.
In this method, the processes A to H are repeated to adapt the vehicle CR to the user's preference. According to this, in the car sharing system 1, the preference data is generated and stored in the server every time the user drives, so that when starting the use of the shared car, driving control suited to the personal preference of the user is performed. It is possible to provide a vehicle preference matching method that is set to perform vehicle interior space environment control, navigation, and the like, and that gradually becomes more suitable for personal preference.

<Second embodiment>
The car sharing system 1A and the operation control adjustment device 100A in the present embodiment will be described with reference to FIGS. In order to avoid redundant description, the same components are denoted by the same reference numerals, and the description thereof will be omitted. The description will focus on differences from the above-described embodiment. The car sharing system 1A includes an operation control adjustment device 100A installed in the vehicle CR, a preference data server 200A, and a vehicle reservation device 300, and these are connected to each other via a network.

The preference data server 200A includes a preference database SDB that stores a member's driving preference, a server communication unit 202 that performs communication by connecting to a network, and a member biometric information database LDB (a user biometric information) that stores a member's biometric information. Database) and a server control unit 201 that controls the whole. The preference database SDB stores data on the preference of the member who is the driver for driving. The member biometric information database LDB stores biometric authentication information of a member user. The biometric authentication information is information that can identify an individual of a living body, and is information obtained by extracting a characteristic portion from a portion that can specify an individual such as a face, an iris, and a fingerprint.

Operation control adjustment device 100A is installed in vehicle CR having a function of being connected to a network. As shown in FIG. 8, the vehicle CR includes a driving control system DC that performs driving support and automatic driving control of the vehicle CR. The operation control adjustment device 100A is provided in the operation control system DC and connected to the ECUs 1 to 3 and the vehicle sensors 1 to 4 via a communication bus. The driving control adjustment device 100A is used in a driving control system DC that executes at least one of driving support and automatic driving of the vehicle CR as described above.

The driving control adjustment device 100A includes a biological information acquisition unit 10 (measuring device 10), an occupant state determination unit 20, a preference data generation unit 30, a vehicle state acquisition unit 40, an authentication unit 60, and a biometric information acquisition unit. 61. The biometric information acquisition unit 61 accesses the member biometric information database LDB on the preference data server 200A via the communication unit COM, and acquires biometric information of a specific member who is a driver. The authentication unit 60 uses the biometric information acquired by the biometric information acquisition unit 61 to confirm that this user has been registered in advance in the member biometric information database LDB, and authenticates if confirmed.

Specifically, the biometric information acquisition unit 61 downloads and acquires biometric information registered as a driver at the time of reservation from the preference data server 200A before the driver first gets on the vehicle after the reservation. deep. Alternatively, the biometric information acquisition unit 61 may download and acquire biometric information registered as a driver at the first boarding after reservation. When the biometric authentication information is related to the face image, the authentication unit 60 uses the camera 12 to obtain a face image or the like serving as the authentication information of the driver when the driver gets on the vehicle. The authentication unit 60 checks whether the actual biometric information of the driver obtained from the camera 12 matches the biometric information registered in advance in the member biometric information database LDB.

(4) If the biometric authentication information matches, the authentication unit 60 succeeds in authentication, permits the boarded driver to drive, and causes the preference data generation unit 30 to generate the preference data. Then, the preference data generating unit 30 outputs the generated preference data to the preference data server 200A via the communication unit COM, and the preference data server 200A stores the output preference data in the preference database SDB. As described above, the user is identified by the biometric authentication, and the preference data of the user is reliably stored, so that the user is set to perform the driving control or the like according to the personal preference of the user. Can be.

In addition, when the authentication of the authentication unit 60 is successful, the operation control adjustment device 100A acquires the preference data of the authenticated driver from the preference data server 200A via the communication unit COM, and performs the operation control on the acquired preference data. Output to system DC. In this way, by receiving the accumulated driver's preference data and outputting the preference data to the driving control system DC, it matches the user's personal preference from the start of use of the shared car, and gradually matches the individual's personal preference. It is possible to perform operation control or the like that is more suitable for preference.

制御 With reference to FIG. 9, a control method (preference matching method) in the operation control adjustment device 100A of the car sharing system 1A will be described. The driving control adjustment device 100A starts when the reservation for the vehicle CR is completed. In S300, the biometric information acquisition unit 61 of the operation control adjustment device 100A acquires biometric information registered as a driver at the time of reservation from the preference data server 200A in S300. The driving control adjustment device 100A continues to inspect whether or not the driver gets on the vehicle in S302.

When the driver's boarding is detected, the authentication unit 60 acquires the driver's face image using the camera 12 in S304. In step S306, the authentication unit 60 checks whether the feature obtained from the acquired face image matches the registered biometric authentication information. If they match, the authentication unit 60 determines that the authentication has succeeded, and permits execution of the following S308 to S316. If they do not match, it is determined that the reserved driver is not on board, the execution is not permitted, and the process is terminated. Steps S308 to (S200) to S316 are the same as steps S100 to (S200) to S108 described above, and a description thereof will be omitted. As described above, the user is identified by the biometric authentication, and only when the authentication is successful, the user's preference data is reliably stored, so that driving control or the like that matches the user's individual preference is performed. Can be set to.

The present invention is not limited to the illustrated embodiment, and can be implemented with a configuration that does not deviate from the contents described in the claims. That is, the present invention has been particularly shown and described with particular reference to particular embodiments thereof, but without departing from the spirit and purpose of the invention, Those skilled in the art can make various modifications in other detailed configurations.

Reference Signs List 1 car sharing system 100 operation control adjustment device 10 measuring device (biological information acquisition unit)
11 sensor 12 camera (imaging device)
Reference Signs List 13 steering torque sensor 20 occupant state determination unit 21 face image storage unit 22 face image feature amount extraction unit 23 feature amount analysis unit 24 heart rate data storage unit 25 heart rate data analysis unit 26 torque data storage unit 27 torque data analysis unit 28 general determination unit Reference Signs List 30 Preference data generation unit 31 Relationship estimation unit 32 Data generation unit 40 Vehicle state acquisition unit (moving body state acquisition unit)
Reference Signs List 60 authentication unit 61 biometric authentication information acquisition unit 200 preference data server 201 server control unit 202 server communication unit SDB preference database 300 vehicle reservation device 301 reservation device control unit 302 reservation device communication unit CR vehicle (mobile)
DC operation control system COM communication unit

Claims

A car sharing system for renting a vehicle shared by a plurality of users,
A preference data server comprising a preference database storing the user preference data,
A driving control adjustment device that is used in a driving control system that performs driving control of at least one of the driving support and automatic driving of the vehicle, and that transmits and receives the preference data server and the preference data,
With
The operation control adjustment device,
A vehicle state acquisition unit that acquires the state of the vehicle,
A biological information acquisition unit that acquires the biological information of the user,
An occupant state determination unit that determines the state of the user based on the biological information acquired by the biological information acquisition unit,
A state of the user determined by the occupant state determination unit, a preference data generation unit that generates preference data indicating a relationship between the state of the vehicle acquired by the vehicle state acquisition unit,
Car sharing system equipped with.
The preference data server includes a user biometric information database that stores biometric authentication information of the user,
The operation control adjustment device,
A biometric information acquisition unit for acquiring the biometric information of the user,
Using the biometric information acquired by the biometric information acquisition unit, an authentication unit that authenticates that the user is registered in advance in the user biometric database,
With
When the authentication unit is authenticated, the preference data generation unit outputs the preference data generated by the preference data generation unit to the preference data server via a communication unit, and the preference data server outputs The car sharing system according to claim 1, wherein the preference data stored is stored in the preference database.
The operation control adjustment device, when the authentication unit is authenticated, acquires the preference data of the authenticated user from the preference data server via a communication unit,
The car sharing system according to claim 2, wherein the acquired preference data is output to the operation control system.
The biological information acquisition unit includes a steering torque sensor,
4. The occupant state determination unit determines that the user is in a nervous state when the operation reaction force detected by the steering torque sensor is equal to or greater than a predetermined value. Car sharing system.
A driving control adjustment device used in a driving control system that performs at least one driving control of driving support and automatic driving of a moving body,
A moving body state acquisition unit for acquiring the state of the moving body,
A biological information acquisition unit that acquires biological information of an occupant of the moving body,
An occupant state determination unit that determines the state of the occupant based on the information acquired by the biological information acquisition unit,
A preference data generation unit that generates preference data indicating a relationship between the state of the occupant determined by the occupant state determination unit and the state of the moving body acquired by the moving body state acquisition unit,
An operation control adjustment device comprising:
A car sharing system for renting a vehicle shared by a plurality of users, comprising: a preference data server including a preference database; and a driving control system that performs at least one of driving support and automatic driving of the vehicle. Used, the preference data matching method of the vehicle in a car sharing system comprising a driving control adjustment device that performs transmission and reception of the preference data server and the preference data,
A The driving control adjustment device acquires the state of the vehicle,
B The operation control adjustment device acquires the biological information of the user,
C The operation control adjustment device determines the state of the user based on the acquired biological information,
D The driving control adjustment device generates preference data indicating a relationship between the determined state of the user and the acquired state of the vehicle,
E The operation control adjustment device outputs the generated preference data to the preference data server,
F The preference data server stores the output preference data in a preference database,
G The driving control adjustment device, when the vehicle is lent by the user, acquires the stored preference data from the preference data server,
H the driving control adjustment device outputs the acquired preference data to the driving control system;
Including
A vehicle preference matching method for repeating the processes A to H to adapt the vehicle to the user preference;