Vehicle state grasping system and vehicle state grasping method

Abstract

A vehicle state grasping system and a vehicle state grasping method are provided. A system management server determines a case where a tire is not replaced or repaired after the air pressure of a tire of a vehicle decreases to a predetermined abnormal value and then returns to a normal value (for example, a case where a driver continues to drive the vehicle by supplementing air even though the tire is punctured) and transmits abnormality notification information to a manager terminal device. Thus, by the operation of the manager on the manager terminal device, warning information is provided to the current driver of the vehicle.

Description

Technical Field

[0001] This invention relates to a vehicle status monitoring system and a vehicle status monitoring method. In particular, this invention relates to an improvement in handling situations where the tire pressure of a vehicle drops to a predetermined abnormal value in a vehicle status monitoring system where multiple drivers share a vehicle under the management of an administrator. Background Technology

[0002] Previously, a system disclosed in Japanese Patent Application Publication No. 2002-132994 was known as a system for monitoring vehicle status. This system includes a tire management server that receives tire status data from vehicle terminals and, if it determines that urgent tire handling (tire repair, etc.) is required, contacts the corresponding vehicle terminal to confirm the tire status. More specifically, all tires are equipped with repeaters that transmit tire pressure data along with the tire ID to the tire management server at predetermined time intervals. Summary of the Invention

[0003] However, in situations where multiple drivers share a vehicle under the management of a manager (such as multiple drivers taking turns riding in the same taxi under the management of a taxi company), there may be drivers who, even if a tire has a puncture (a puncture that gradually bleeds out), do not change the tire (tire change operation) but continue to drive the vehicle by adding air (at a service station, etc.) (avoiding the troublesome tire change operation).

[0004] In this situation, subsequent drivers are forced to perform tire changes and puncture repairs, increasing their workload. Furthermore, there is the issue that even if the driver did not cause the tire to puncture (for example, even if it punctured at the time of travel (or, in the case of a taxi, the pre-trip inspection time), they are still required to perform tire changes and repairs, leading to dissatisfaction.

[0005] Japanese Patent Application Publication No. 2002-132994 does not present a technical solution to this problem, leaving room for improvement. Specifically, in Japanese Patent Application Publication No. 2002-132994, the driver is notified of a tire puncture based on information from a transponder. Therefore, if the driver inflates the tire without changing it, as described above, the notification is canceled, failing to prevent such behavior. Furthermore, the cause of abnormally low tire pressure is not limited to tire punctures; other causes include a damaged tire air valve.

[0006] The purpose of this disclosure is to provide a vehicle status monitoring system and a vehicle status monitoring method that, under the management of an administrator, when a vehicle's tire pressure drops to a specified abnormal value in a vehicle status monitoring system shared by multiple drivers, can prompt the driver currently driving the vehicle to take measures such as changing the tires.

[0007] The solution of the present invention for achieving the above objectives is based on a vehicle status monitoring system that can monitor the status of a vehicle in a vehicle usage mode in which multiple drivers share a vehicle under the management of an administrator.

[0008] Furthermore, the vehicle status monitoring system has the following features:

[0009] The tire pressure recognition unit identifies the tire pressure of the vehicle.

[0010] The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and

[0011] The system management server receives the tire pressure information sent by the air pressure information sending unit.

[0012] In addition, the system management server has an anomaly notification information creation unit. This unit creates an anomaly notification information based on the received tire pressure information, in cases where the tire pressure drops to a predetermined abnormal value and is restored to normal without either tire replacement or tire repair.

[0013] The system management server has an abnormal notification information sending unit. When the abnormal notification information is received from the abnormal notification information creation unit, the abnormal notification information sending unit sends the abnormal notification information to the communication device operated by the administrator.

[0014] Furthermore, the vehicle status monitoring system is characterized in that the communication device has the following structure: through the operation of the administrator, it can provide warning information to at least one of the user interface device mounted on the vehicle and the terminal carried by the current driver of the vehicle.

[0015] Based on this specific situation, when the tire pressure information received by the system management server from the tire pressure information sending unit is restored to normal without performing either tire replacement or tire repair after the tire pressure has dropped to a predetermined abnormal value, the abnormality notification information creation unit creates an abnormality notification, and the abnormality notification information sending unit sends the abnormality notification to the communication device operated by the administrator. Thus, the administrator recognizes that despite the tire pressure dropping to the predetermined abnormal value, the current driver of the vehicle restored the tire pressure to normal without performing either tire replacement or tire repair. Furthermore, the administrator, by operating the communication device, provides a warning to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver. That is, the current driver of the vehicle is warned that tire replacement or tire repair is required. If the driver who received the warning performs tire replacement or tire repair, subsequent passengers will not be forced to perform tire replacement or tire repair, thus relieving the burden on the driver who subsequently entered the vehicle after tire replacement or tire repair.

[0016] In addition, as another solution of the present invention for achieving the above-mentioned objectives, a vehicle status monitoring system is provided that enables the monitoring of the vehicle status in a vehicle usage mode in which multiple drivers share a vehicle under the management of an administrator.

[0017] Furthermore, the vehicle status monitoring system has the following features:

[0018] The tire pressure recognition unit identifies the tire pressure of the vehicle.

[0019] The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and

[0020] The system management server receives the tire pressure information sent by the air pressure information sending unit.

[0021] Furthermore, the vehicle status monitoring system is characterized in that the system management server has an anomaly notification information creation unit. This unit creates an anomaly notification information based on the received tire pressure information, provided that the tire pressure has dropped to a predetermined abnormal value and has been restored to normal without either tire replacement or tire repair.

[0022] The system management server includes a warning information sending unit. When the warning information sending unit receives the abnormal notification information from the abnormal notification information creation unit, it sends the warning information to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle.

[0023] In this specific situation, if the tire pressure information received by the system management server from the tire pressure information sending unit is restored to normal without tire replacement or repair work being performed after the tire pressure has dropped to a predetermined abnormal value, the abnormality notification information creation unit creates an abnormality notification. Upon receiving this abnormality notification, the warning information sending unit sends a warning to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver. That is, in this case, the system management server automatically warns the current driver that tire replacement or repair work is required. Furthermore, if the driver who received the warning performs tire replacement or repair work, subsequent passengers are not forced to perform tire replacement or repair work, thus relieving the driver of any burden.

[0024] Furthermore, as another solution of the present invention for achieving the above objectives, it is based on a vehicle status monitoring system that can monitor the status of a vehicle in a vehicle usage mode in which multiple drivers share a vehicle under the management of an administrator.

[0025] Furthermore, the vehicle status monitoring system has the following features:

[0026] The tire pressure recognition unit identifies the tire pressure of the vehicle.

[0027] The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and

[0028] The system management server receives the tire pressure information sent by the air pressure information sending unit.

[0029] In addition, the system management server has an anomaly notification information creation unit. This unit creates an anomaly notification information based on the received tire pressure information, in cases where the tire pressure drops to a predetermined abnormal value and is restored to normal without either tire replacement or tire repair.

[0030] The system management server includes an anomaly notification information sending unit, which sends the anomaly notification information to the communication device operated by the administrator upon receiving the anomaly notification information.

[0031] The system management server has a warning information sending unit, which sends warning information to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle, provided that the abnormal notification information is received.

[0032] Furthermore, this vehicle status monitoring system includes a destination switching unit, which can switch between a first sending method that sends the abnormal notification information to the abnormal notification information sending unit and a second sending method that sends the abnormal notification information to the warning information sending unit.

[0033] This vehicle status monitoring system has a history information storage unit, which stores the driving history information of each driver.

[0034] Furthermore, the vehicle status monitoring system is characterized in that, when the destination switching unit restores the tire pressure to the normal value without performing either tire replacement or tire repair after the tire pressure drops to the predetermined abnormal value, it refers to the driving history information of each driver stored in the history information storage unit. If the current driver of the vehicle is a driver who has previously restored the tire pressure to the normal value without performing either tire replacement or tire repair after the tire pressure drops to the predetermined abnormal value, the system uses the first sending method; otherwise, it uses the second sending method.

[0035] Drivers who have previously restored tire pressure to normal without performing either tire replacement or tire repair after it dropped to a specified abnormal value are highly likely to repeat the same behavior. Therefore, in this solution, when a situation occurs where tire pressure is restored to normal without performing either tire replacement or tire repair after it dropped to a specified abnormal value, and the driver has previously engaged in this behavior, the solution does not use a second method of sending a warning message from the system management server (sending an abnormality notification message to a warning message sending unit, thereby sending a warning message to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver), but instead uses a first method of sending an abnormality notification message from the administrator (sending an abnormality notification message to an abnormality notification message sending unit, thereby sending an abnormality notification message to a communication device operated by the administrator). This allows the administrator to manually warn (advise) the current driver of the vehicle. Therefore, the enforcement of requiring the driver to perform tire replacement or tire repair is strengthened.

[0036] In addition, after the system management server sends a warning message from the warning message sending unit to at least one of the user interface device mounted on the vehicle and the terminal carried by the current driver of the vehicle, if the tire pressure is restored to normal without either tire replacement or tire repair work after it drops to a specified abnormal value again in the same vehicle, the warning level of the warning message sent from the warning message sending unit will be increased.

[0037] This is a warning level increase issued to prevent repeated violations of the same driver's rule: restoring tire pressure to normal without performing either tire replacement or repair after the pressure has dropped to an abnormal value. This enhances the deterrent effect against such repeated violations.

[0038] In addition, in the aforementioned vehicle status monitoring system,

[0039] In the case where the manager oversees multiple vehicles,

[0040] The tire pressure information sent from the tire pressure information sending unit to the system management server is information that is associated with individual information assigned to each of the vehicles.

[0041] Therefore, in situations involving the management of multiple vehicles, it is possible to determine in which vehicle the aforementioned behavior (the behavior of restoring the tire pressure to normal without performing either tire replacement or tire repair after the tire pressure has dropped to a specified abnormal value) was carried out. Thus, it is possible to accurately identify the vehicle or driver to whom the warning message is intended, and to appropriately send the warning message only to that vehicle or driver.

[0042] Furthermore, the vehicle status monitoring method implemented in the aforementioned vehicle status monitoring system is also within the scope of the technical concept of this invention.

[0043] That is, a vehicle status monitoring method is based on the premise that the vehicle status can be monitored in a vehicle usage mode in which multiple drivers share a vehicle under the management of an administrator.

[0044] Furthermore, this vehicle status monitoring method includes the following actions:

[0045] The tire pressure recognition action identifies the tire pressure of the vehicle.

[0046] Based on the identified tire pressure information, if the tire pressure drops to a specified abnormal value and is restored to normal without either tire replacement or tire repair, an abnormality notification message is created; and

[0047] As the abnormal notification information is created, an action is taken to provide a warning message to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle.

[0048] Similar to the vehicle status monitoring system described above, this vehicle status monitoring method can also warn the current driver that tire changing or repair work is required. If the driver who received the warning performs tire changing or repair work, subsequent passengers will not be forced to perform the same work, thus relieving them of some burden.

[0049] In this invention, if the tire pressure drops to a predetermined abnormal value and is restored to normal without tire replacement or repair (for example, in the case of a driver who continues to drive the vehicle by adding air even after a tire has a puncture), a warning message can be provided to the current driver of the vehicle. Therefore, if the driver who received the warning message performs tire replacement or repair, subsequent passengers are not forced to perform the same procedure, thus relieving them of some burden. Attached Figure Description

[0050] The features, advantages, and technical and industrial significance of exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals denote like elements, and wherein:

[0051] Figure 1 This is a diagram showing the general structure of the vehicle status monitoring system according to the first embodiment.

[0052] Figure 2 This is a side view of a tire used to illustrate the principle of tire puncture detection.

[0053] Figure 3 This is a sequence diagram illustrating an example of the actions of the vehicle, system management server, and administrator terminal device in the first embodiment.

[0054] Figure 4 This is a diagram showing the general structure of the vehicle status monitoring system according to the second embodiment.

[0055] Figure 5 This is a sequence diagram illustrating an example of the actions of the vehicle and the system management server in the second embodiment.

[0056] Figure 6 This is a diagram showing the general structure of the vehicle status monitoring system according to the third embodiment.

[0057] Figure 7 This is a sequence diagram illustrating an example of the actions of the vehicle, system management server, and administrator terminal device in the third embodiment. Detailed Implementation

[0058] Hereinafter, several embodiments of the present invention will be described with reference to the accompanying drawings. In each of the following embodiments, examples will be given of systems in which the vehicle status monitoring system according to the present invention is used as part of the functions of a vehicle management system (a system that manages the operation of multiple taxi vehicles) in a taxi company. That is, in each embodiment, the "vehicle usage mode in which multiple drivers share a vehicle under the management of a manager" mentioned in the present invention is equivalent to a vehicle usage mode in which multiple (e.g., two) drivers take turns (e.g., take turns riding day and night) multiple taxi vehicles under the management of the taxi company's operation manager.

[0059] First Implementation Method

[0060] First, the first embodiment will be described.

[0061] Overview of the vehicle status monitoring system

[0062] Figure 1 This is a diagram showing a schematic structure of the vehicle status monitoring system 1 according to this embodiment. Figure 1 As shown, the vehicle status monitoring system 1 comprises multiple vehicles (taxi vehicles) 2, 2, ..., a system management server (e.g., a cloud server) 3, and a manager terminal device (a communication device operated by the manager as described in this invention) 4. The system management server 3 and the manager terminal device 4 are, for example, located in a taxi company. Furthermore, the system management server 3 and the manager terminal device 4 are configured to communicate using a prescribed communication network 5.

[0063] Furthermore, the communication method between these vehicles 2, 2, ..., the system management server 3, and the manager terminal device 4 can be a two-way communication method via a mobile phone network with multiple base stations, the Internet, or a dedicated communication network (the communication method between vehicles 2, 2, ..., the system management server 3, and the manager terminal device 4 using the same communication network, hereinafter referred to as the first mode of communication method). Alternatively, the communication method between vehicles 2, 2, ... and the system management server 3 can be a two-way communication method via a mobile phone network, the Internet, or a dedicated communication network, and the communication method between vehicles 2, 2, ... and the manager terminal device 4 can be a two-way communication method via an existing dedicated communication network (a wireless communication network used for vehicle dispatch) (hereinafter referred to as the second mode of communication method). The following explanation uses the first mode of communication method as an example.

[0064] vehicle

[0065] Provide details regarding vehicles 2, 2, ... managed by the operations manager (manager). Figure 1 In each of the vehicles shown (2, 2, ...), the structures of the parts related to the vehicle status monitoring system 1 are identical. Figure 1 In the diagram, a vehicle 2 is used as an example to illustrate the structure of the parts related to the vehicle status monitoring system 1.

[0066] Vehicle 2 is equipped with wheel speed sensors 21, a data communication module (DCM) 22, a speaker (user interface device) 23, a display monitor (user interface device) 24, and a vehicle status control ECU 25. These devices are connected to each other via in-vehicle networks such as CAN.

[0067] The wheel speed sensor 21 detects the rotational speed (number of rotations per unit time) of each wheel (four wheels, hereinafter sometimes referred to as tires instead of wheels) T, T, ... of the vehicle 2. The wheel speed sensor 21 can be a known magnetic sensor, such as an electromagnetic pickup or a Hall sensor.

[0068] DCM22 is a communication device that enables bidirectional communication between the aforementioned communication network 5 and the system management server 3 and the administrator terminal device 4.

[0069] The speaker 23 is installed inside the passenger compartment (e.g., on the inner surface of the front door) and outputs a warning sound to the driver of the vehicle 2 for use in the following description. The speaker 23 may be a speaker dedicated to the vehicle status monitoring system 1, or it may be a speaker that also serves as a speaker for a car audio system (not shown) or a speaker for a car navigation system (not shown).

[0070] Display monitor 24 displays images to the driver of vehicle 2 for the warnings described later. This display monitor 24 may be, for example, a touch panel type liquid crystal display, and may be a dedicated display monitor for vehicle status monitoring system 1, or it may also serve as a display monitor for a car navigation system (not shown).

[0071] The vehicle status monitoring ECU25 includes, for example, a processor such as a central processing unit (CPU), a read-only memory (ROM) for storing control programs, a random access memory (RAM) for temporarily storing data, and input / output ports.

[0072] Furthermore, the vehicle status monitoring ECU 25 includes a tire pressure recognition unit 25a as a functional unit implemented through the aforementioned control program. This tire pressure recognition unit 25a has the function of individually recognizing the tire pressure (internal pressure) of each of the four tires T1, T2, ... of the vehicle 2. The principle of recognizing the tire pressure of tire T will be explained below.

[0073] When a nail punctures a tire (e.g., T), and air gradually escapes from the puncture, the vehicle can still be driven even after the puncture. However, if... Figure 2 As shown, due to the gradual expulsion of air, the tire T deforms at its road surface mounting point, and the amount of deformation gradually increases. Additionally, the tire pressure of the tire T gradually decreases. Under these conditions, when vehicle 2 is traveling, the tire radius at the road surface mounting point of the tire T (… Figure 2 The radius r1 in the middle becomes larger than the original tire radius (the tire radius outside the road surface setting). Figure 2 The radius r1 of the punctured tire T is shorter. Therefore, the circumference of the punctured tire T becomes shorter than that of the other tires (the tires without punctures) T. In other words, the time required for the punctured tire T to complete one revolution becomes shorter than that required for the other tires T to complete one revolution. That is, when the vehicle 2 is traveling straight, the rotational speed (angular velocity) of the punctured tire T becomes higher than that of the tires T without punctures. Furthermore, there is a certain proportional relationship between the shortening of the tire radius r1 at the road surface portion of the tire T and the amount of decrease in tire pressure of the tire T. Therefore, the tire pressure of each tire T can be individually identified (estimated) using the information of the difference in rotational speeds of each tire T, T, ...

[0074] For example, assuming that the tire T with the lowest rotational speed among all tires T1, T2, ... has an appropriate air pressure, the air pressure of each tire T1, T2, ... can be estimated based on the difference in rotational speed relative to that tire (the tire with the lowest rotational speed) T (it is estimated that the larger the difference in rotational speed, the lower the air pressure of tire T). Furthermore, it is not limited to comparing the rotational speeds of all tires T1, T2, ...; air pressure can also be estimated by comparing the rotational speeds of a pair of tires T1, T2. For example, the rotational speeds of front tires (front wheels) relative to each other, rear tires (rear wheels) relative to each other, right tires (right front and right rear) relative to each other, left tires (left front and left rear) relative to each other, and tires on opposite sides (right front and left rear, left front and right rear) relative to each other can also be compared.

[0075] The relationship between the difference in rotational speed and the decrease in tire pressure is predetermined through experiments and simulations based on the type of tire T, and the tire pressure of tire T can be estimated based on this relationship.

[0076] The wheel speed sensor 21 detects the rotational speed of each wheel (each tire T, T, ...). Therefore, the output from the wheel speed sensor 21 (the rotational speed information of each tire T, T, ...) is sent to the tire pressure recognition unit 25a. Using the above principle, the tire pressure recognition unit 25a individually identifies the tire pressure of each tire T, T, ... at predetermined time intervals (e.g., every few seconds). Furthermore, the tire pressure information identified by the tire pressure recognition unit 25a is associated with the vehicle 2's individual information (ID information) and the individual information of the tire T.

[0077] The air pressure information of each tire T1, T2, ... identified in this way (air pressure information that is associated with the individual information of vehicle 2 and the individual information of tire T1) is sent to DCM22 at predetermined time intervals. DCM22 then sends the air pressure information to system management server 3 via communication network 5 at predetermined time intervals. Therefore, DCM22 is equivalent to the air pressure information transmitting unit mentioned in this invention (the air pressure information transmitting unit that transmits the air pressure information of the tires identified by the air pressure identification unit).

[0078] System Management Server

[0079] The system management server 3 processes information based on the tire pressure information (T1, T2, ...) received from the DCM22 of each vehicle 2, 2, ... , and includes an abnormal notification information creation unit 31 and an abnormal notification information sending unit 32 as its functional units. The functions of these units 31 and 32 are implemented by programs stored in the computer of the system management server 3.

[0080] As mentioned above, in situations where multiple drivers alternate riding in the same taxi under the management of a taxi company (operation manager), there is a possibility that some drivers may continue driving even if a tire has a puncture (a puncture where air is gradually released), without changing the tire, instead adding air (at a service station, etc.) and continuing to drive the vehicle (avoiding the troublesome tire change operation). This driver's behavior will be referred to as "improper tire pressure restoration behavior." When this improper tire pressure restoration behavior is performed, it forces subsequent drivers to perform tire changes and puncture repairs, increasing the driver's workload. Furthermore, there is the issue that the driver, despite not causing the puncture themselves, is forced to perform tire changes and puncture repairs, thus causing dissatisfaction.

[0081] In view of this, the abnormality notification information creation unit 31 creates an abnormality notification information based on the air pressure information of each tire T, T, ... received from DCM22, when the air pressure of a tire T drops to a specified abnormal value and is restored to the normal value without either tire replacement or tire repair (in the case of improper air pressure restoration behavior mentioned above). This will be explained in detail below.

[0082] The anomaly notification information creation unit 31, based on the tire pressure information of each tire T, T, ... of each vehicle 2, 2, ... received from DCM 22, determines that a tire T (the aforementioned tire with increased rotation speed) has suffered a puncture if the tire pressure of tire T has decreased by more than 30% compared to an appropriate value (less than 70% of the appropriate value, equivalent to a decrease to an abnormal value as described in this invention). Since the tire pressure information of each tire T, T, ... is associated with the individual information of vehicle 2 and tire T, it is possible to determine which tire T of which vehicle 2 has suffered a puncture when a puncture is determined. Furthermore, the threshold used for the puncture determination is not limited to 30% and can be arbitrarily set. Additionally, the appropriate value for tire pressure is a pre-defined value based on the type of tire T.

[0083] Based on the determination that tire T has a puncture, if the driver restores the tire pressure to a normal value (e.g., to more than 80% of the appropriate value) without performing either tire replacement or tire repair, it is determined that an improper tire pressure restoration behavior has occurred, where the vehicle 2 continues to run by adding air (at a service station, etc.) instead of performing tire replacement or repair work despite the tire T having a puncture (a state where the driver avoids trouble by performing a tire replacement). The abnormality notification information creation unit 31 sends an abnormality notification information to the abnormality notification information sending unit 32. Since this abnormality notification information is also linked to the individual information of the vehicle 2 and the tire T, it is possible to determine which tire T of which vehicle 2 was subjected to the improper tire pressure restoration behavior.

[0084] Detecting whether a tire change has not been performed is done by checking whether the tire T has been removed. For example, a switch (which is closed when the tire is removed from the rim) can be installed on the tire T, and the opening / closing of this switch is used to determine whether a tire change has been performed. That is, if the tire pressure returns to normal while the switch remains open, it is considered an improper tire pressure restoration. Alternatively, a switch (which is closed when the spare tire is removed) can be installed to detect when a spare tire stored in the vehicle's trunk or similar compartment has been removed, and the opening / closing of this switch is used to determine whether a tire change has been performed. In this case, if the tire pressure returns to normal while the switch remains open, it is also considered an improper tire pressure restoration. The method for detecting whether a tire change has not been performed is not limited to the above methods; IC chips can also be installed on each tire T, T, ... and the identification information from these IC chips can be used.

[0085] Furthermore, one method for detecting situations where tire repair work has not been performed is to install a switch that detects when a container of tire repair fluid stored in the vehicle's trunk or similar container is removed (this switch is closed when the container is removed from the trunk or similar container), and determine whether tire repair work has been performed by detecting whether this switch is open or closed. That is, if the tire pressure is restored to normal while the switch remains open, it is determined that improper tire pressure restoration has occurred. However, methods for detecting situations where tire repair work has not been performed are not limited to the methods described above.

[0086] When the abnormal notification information sending unit 32 receives the abnormal notification information from the abnormal notification information creation unit 31, it sends the abnormal notification information to the administrator terminal device 4 through the communication network 5.

[0087] Administrator terminal device

[0088] The management terminal 4 is a personal computer installed in the management department of the taxi company, and can be operated by the operation manager to give various instructions and warnings to the drivers of each vehicle 2, 2, ...

[0089] Furthermore, when the manager terminal device 4 receives an anomaly notification from the anomaly notification information sending unit 32 of the system management server 3, it displays the anomaly notification on the display screen, providing the operations manager with information about the presence of vehicle 2 that has undergone improper tire pressure restoration, the individual information of vehicle 2 (vehicle number, etc.), and the individual information of the punctured tire T (which of the four tires T is involved). Additionally, if the system management server 3 stores the driving information of each driver (information on which vehicle 2 they rode in during which time period), the personal information of the driver who rode in the punctured vehicle 2 is also provided to the operations manager.

[0090] Upon receiving such information, the operations manager warns the driver who performed the improper tire pressure restoration action via communication network 5. Specifically, the driver (the current driver of vehicle 2) is warned that tire replacement or repair work is required.

[0091] Specifically, the manager terminal device 4 has an input unit 41 and a warning information sending unit 42 as its functional units.

[0092] The input unit 41 consists of a keyboard, pointing device, etc., for inputting operations from the operations manager. Through the operation of this input unit 41, the operations manager identifies the vehicle 2 that is the target of a warning and sends a warning message.

[0093] The warning information sending unit 42, based on the operation of the input unit 41, sends a warning information from the manager terminal device 4 to the communication network 5. As a form of warning, the warning information is sent via the communication network 5 to the corresponding vehicle (the vehicle in which the driver who performed the improper tire pressure restoration) 2, thereby providing one or both of a warning using sound from the speaker 23 installed in the vehicle 2 and a warning using an image displayed on the monitor 24. Examples of the warning content include providing sound (from the speaker 23) or an image (on the monitor 24) such as "The left front tire has a puncture. Please replace or repair the tire immediately."

[0094] If a driver who receives such a warning message performs tire changing or repair work, subsequent passengers will not be forced to perform tire changing or repair work, thus relieving the burden on that driver (the passenger who has already performed tire changing or repair work).

[0095] Actions during perforation

[0096] Next, the operation when perforation occurs in this embodiment will be explained. Figure 3 This is a sequence diagram illustrating an example of the actions of vehicle 2, system management server 3, and administrator terminal device 4. Figure 3 In the diagram, from left to right, the information processing actions in vehicle 2 (identifying tire pressure T), the information processing actions in system management server 3 (creating and sending abnormal notification information), and the actions in manager terminal device 4 (warning actions performed by the operations manager) are shown sequentially. Additionally, in this... Figure 3 The example given is the communication between a vehicle 2 and the system management server 3 and the administrator terminal device 4, but the communication between other vehicles 2 and the system management server 3 and the administrator terminal device 4 is also carried out in the same way.

[0097] First, the air pressure of each tire T, T, ... is identified using the air pressure recognition unit 25a mounted on vehicle 2 (S1: air pressure recognition operation as described in this invention), and the identified air pressure information of each tire T, T, ... is sent from DCM22 to system management server 3.

[0098] In the system management server 3, based on the received air pressure information of each tire T, T, ..., a determination process is performed to determine whether the air pressure of tire T was restored to the normal value without either tire replacement or tire repair operations after it dropped to the specified abnormal value (determination process for whether improper air pressure restoration behavior occurred) (S2).

[0099] Then, if it is determined that improper tire pressure restoration has been performed because the tire pressure was restored to normal without either tire replacement or tire repair, the abnormal notification information creation unit 31 creates an abnormal notification information (the action of creating an abnormal notification information as described in this invention) and sends the abnormal notification information from the system management server 3 to the administrator terminal device 4.

[0100] In the manager terminal device 4, information indicating that vehicle 2 has undergone improper air pressure restoration, individual information of vehicle 2, and individual information of tire T that has been punctured are displayed on the display screen (display of abnormal notification information), and the abnormal notification information is provided to the operations manager (S3).

[0101] In this situation, the operations manager operates the management terminal device 4 (warning information sending operation), thereby sending a warning information (the action of providing warning information as described in this invention) to the corresponding vehicle (the vehicle in which the driver who performed the improper air pressure restoration) 2 via the communication network 5. Thus, one or both of the following are performed: a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning using an image on the display monitor 24.

[0102] If a driver who receives such a warning message has already changed or repaired a tire, subsequent passengers will not be forced to do the same.

[0103] Effects of the implementation method

[0104] As explained above, in this embodiment, if the tire pressure of tire T drops to a predetermined abnormal value and then returns to normal without either tire replacement or tire repair, an abnormality notification is displayed on the management terminal device 4, and the operations manager sends a warning message to the driver accordingly. That is, the current driver of the vehicle is warned that tire replacement or tire repair is required. If the driver who received the warning message performs tire replacement or tire repair, subsequent passengers will not be forced to perform tire replacement or tire repair, thus relieving the driver of that burden.

[0105] Furthermore, in this embodiment, the individual information of vehicle 2 and tire T is associated with the air pressure information of each tire T, T, ... identified by the air pressure recognition unit 25a. Therefore, it is possible to determine which vehicle 2 performed the improper air pressure restoration behavior, accurately identify the vehicle 2 or driver to which the warning information is to be sent, and appropriately send the warning information only to that vehicle 2 or driver.

[0106] Second Implementation Method

[0107] Next, the second embodiment will be described. In this embodiment, the processing for sending warning information to the driver differs from that in the first embodiment described above. The other structures and processing operations are the same as in the first embodiment; therefore, the processing for sending warning information to the driver will be primarily described here.

[0108] Figure 4 This is a diagram showing a schematic structure of the vehicle status monitoring system 1 according to this embodiment. Figure 4As shown, the vehicle status monitoring system 1 according to this embodiment is configured to include multiple vehicles 2, 2, ... and a system management server 3. Furthermore, it has the following structure: communication between these vehicles 2, 2, ... and the system management server 3 is possible via a specified communication network 5.

[0109] vehicle

[0110] In each of the vehicles 2, 2, ..., the structure of the part related to the vehicle status monitoring system 1 is the same as in the first embodiment. That is, the information on the tire pressure of each of the vehicles 2, 2, ... is estimated (identified) and sent from the DCM22 to the system management server 3 via the communication network 5 at predetermined time intervals.

[0111] System Management Server

[0112] The system management server 3 has an abnormal notification information creation unit 31 and a warning information sending unit 34 as its functional units.

[0113] Similar to the first embodiment, the abnormal notification information creation unit 31 can determine which tire T of which vehicle 2 has a puncture when it is determined that a tire T has a puncture based on the tire pressure information of each tire T of each vehicle 2, 2, ... received from the DCM22.

[0114] Furthermore, in this embodiment, the abnormal notification information creation unit 31 determines that the tire T has been punctured, and if the tire pressure is restored to the normal value without the driver performing either tire replacement or tire repair, it determines that an improper tire pressure restoration has been performed, and sends an abnormal notification information to the warning information sending unit 34.

[0115] When the warning information sending unit 34 receives an abnormal notification information from the abnormal notification information creation unit 31, it warns the driver who performed the improper tire pressure restoration behavior via the communication network 5 that tire replacement or tire repair work is required. That is, by using information about the tire T to establish individual vehicle information associated with the tire T, it determines which vehicle 2 performed the improper tire pressure restoration behavior, and sends a warning information to that vehicle 2, providing either a warning using sound from the speaker 23 mounted on that vehicle 2 or a warning using an image displayed on the monitor 24, or both.

[0116] In this embodiment, even if the driver who received the warning message has already performed a tire change or repair, the driver who subsequently boards the vehicle will not be forced to perform a tire change or repair, thus relieving the burden on that driver (the driver who boards the vehicle after performing a tire change or repair).

[0117] Actions during perforation

[0118] Next, the operation when perforation occurs in this embodiment will be explained. Figure 5 This is a sequence diagram illustrating an example of the actions of vehicle 2 and system management server 3. Figure 5 In the diagram, from left to right, the information processing actions in vehicle 2 (identifying tire T's air pressure) and the information processing actions in system management server 3 (creating abnormal notification information and sending warning information) are shown sequentially. Additionally, this... Figure 5 For example, the communication between vehicle 2 and system management server 3 is also taken, but the communication between other vehicles 2 and system management server 3 is also carried out in the same way.

[0119] First, the air pressure of each tire T, T, ... is identified using the air pressure recognition unit 25a mounted on vehicle 2 (S1), and the identified air pressure information of each tire T, T, ... is sent from DCM22 to system management server 3.

[0120] In the system management server 3, based on the received air pressure information of each tire T, T, ..., a determination process is performed to determine whether the air pressure of tire T was restored to the normal value without either tire replacement or tire repair operations after it dropped to the specified abnormal value (determination process for whether improper air pressure restoration behavior occurred) (S2).

[0121] Furthermore, if an improper tire pressure restoration is determined to have been performed due to the tire being restored to normal without either tire replacement or tire repair, a warning message is sent from the system management server 3 to the vehicle 2. Thus, one or both of the following warnings are issued: a warning using sound from the speaker 23 mounted on the vehicle 2, and a warning using an image displayed on the monitor 24.

[0122] If a driver who has received such a warning performs tire changing or repair work (S5), a work completion message is sent to the system management server 3. This work completion message is sent along with the detection of the opening / closing of the switch set on the tire T. Alternatively, the work completion message can be sent to the system management server 3 via operation of a terminal carried by the driver. Upon receiving the work completion message, the system management server 3 performs a process to stop sending warning messages to the vehicle 2 (warning stop processing) (S6), thereby providing a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning stop using an image on the display monitor 24.

[0123] Effects of the implementation method

[0124] In this embodiment, the same effect as in the first embodiment can be achieved (if the driver who received the warning message has already performed tire changing or repair work, the driver of the subsequent passenger will not be forced to perform tire changing or repair work, thus eliminating the driver's burden). In addition, in this embodiment, since the warning message can be sent to the vehicle 2 without going through the manager's terminal device 4, the burden on the operation manager can be reduced.

[0125] (Warning level change processing in the second embodiment)

[0126] In the second embodiment, in addition to the processing actions described above, the warning level change processing described below can also be performed. The warning level change processing will be explained below.

[0127] If, in a situation where a warning message has been sent from the warning message sending unit 34 of the system management server 3 to the vehicle 2, and one or both of the warnings—one delivered via sound from the speaker 23 and the other via an image displayed on the monitor 24—are used, and if an improper air pressure restoration is performed again in the same vehicle 2, the warning level of the warning message sent from the warning message sending unit 34 of the system management server 3 to the vehicle 2 is increased. For example, the sound of the warning from the speaker 23 is increased (more loud than the warning from the speaker 23 for the previous improper air pressure restoration). Additionally, the size of the warning image on the monitor 24 is increased (more large than the warning image on the monitor 24 for the previous improper air pressure restoration). Specifically, when managing the travel time schedules of each driver for each vehicle 2, if a driver performs an improper air pressure restoration again during that travel time, the warning level of the warning message sent to the vehicle 2 is increased.

[0128] This is a warning level increase in the warning message to prevent the same driver from performing an improper air pressure restoration action again. This enhances the deterrent effect against repeated improper air pressure restoration actions.

[0129] Third Implementation Method

[0130] Next, the third embodiment will be described. In this embodiment, the processing for sending warning information to the driver differs from that in the first and second embodiments described above. The other structures and processing operations are the same as in the first and second embodiments; therefore, the processing for sending warning information to the driver will be described here.

[0131] Figure 6 This is a diagram showing a schematic structure of the vehicle status monitoring system 1 according to this embodiment. Figure 6 As shown, the vehicle status monitoring system 1 according to this embodiment is configured to include multiple vehicles 2, 2, ..., a system management server 3, and a manager terminal device 4. Furthermore, it has the following structure: communication between these vehicles 2, 2, ..., the system management server 3, and the manager terminal device 4 is possible via a prescribed communication network 5.

[0132] vehicle

[0133] In each of the vehicles 2, 2, ..., the structure of the part related to the vehicle status monitoring system 1 is the same as in the first embodiment. That is, the information on the tire pressure of each of the vehicles 2, 2, ... is estimated (identified) and sent from the DCM22 to the system management server 3 via the communication network 5 at predetermined time intervals.

[0134] System Management Server

[0135] The system management server 3 has an abnormal notification information creation unit 31, an abnormal notification information sending unit 32, a warning information sending unit 34, a history information storage unit 36, and a sending destination switching unit 37 as its functional units.

[0136] Similar to the first embodiment, the abnormal notification information creation unit 31 can determine which tire T of which vehicle 2 has a puncture when it is determined that a tire T has a puncture based on the tire pressure information of each tire T of each vehicle 2, 2, ... received from the DCM22.

[0137] Furthermore, in this embodiment, the abnormal notification information creation unit 31 determines that the tire T has been punctured, and if the tire pressure is restored to the normal value without the driver performing either tire replacement or tire repair, it determines that an improper tire pressure restoration has been performed, and sends an abnormal notification information to the destination switching unit 37.

[0138] The abnormal notification information sending unit 32 sends the abnormal notification information to the manager terminal device 4 via the communication network 5, provided that it receives the abnormal notification information sent by the abnormal notification information creation unit 31 (more specifically, when the abnormal notification information sent by the abnormal notification information creation unit 31 is received via the sending destination switching unit 37).

[0139] The warning information sending unit 34 sends a warning information to the vehicle 2 in which the driver has performed an improper air pressure restoration operation, provided that it receives an abnormal notification information sent by the abnormal notification information creation unit 31 (more specifically, when the abnormal notification information sent by the abnormal notification information creation unit 31 is received via the sending destination switching unit 37).

[0140] The driving history information storage unit 36 ​​stores the driving history information of each driver pre-registered in the vehicle status monitoring system 1. Specifically, in cases where there is a driver with a history of improper air pressure restoration, the driver's information (driver's personal information) is stored.

[0141] The destination switching unit 37 can switch between a first transmission mode that sends the abnormal notification information received from the abnormal notification information creation unit 31 to the abnormal notification information sending unit 32 and a second transmission mode that sends the abnormal notification information received from the abnormal notification information creation unit 31 to the warning information sending unit 34.

[0142] Specifically, in the event of an improper air pressure restoration, the system refers to the driving history information of each driver stored in the history information storage unit 36. If the current driver of vehicle 2 (the driver who performed the improper air pressure restoration) has a history of performing improper air pressure restoration, a first sending method is used. That is, the abnormal notification information received from the abnormal notification information creation unit 31 is sent to the abnormal notification information sending unit 32. On the other hand, if the current driver of vehicle 2 (the driver who performed the improper air pressure restoration) does not have a history of performing improper air pressure restoration, a second sending method is used. That is, the abnormal notification information received from the abnormal notification information creation unit 31 is sent to the warning information sending unit 34.

[0143] Drivers with a history of improper tire pressure restoration are highly likely to repeat the same behavior. Therefore, in this embodiment, if the driver of vehicle 2 has a history of improper tire pressure restoration, the system management server 3 will not automatically send a warning message to vehicle 2; instead, the warning message will be sent from the operations manager. This allows the operations manager to manually warn (advise) the current driver of vehicle 2. Consequently, the enforcement of tire changing or repair work by the driver is strengthened.

[0144] Actions during perforation

[0145] Next, the operation when perforation occurs in this embodiment will be explained. Figure 7 This is a sequence diagram illustrating an example of the actions of vehicle 2, system management server 3, and administrator terminal device 4. Figure 7 In the diagram, from left to right, the information processing actions in vehicle 2 (identifying tire pressure T), the information processing actions in system management server 3 (creating and sending abnormal notification information), and the actions in manager terminal device 4 (warning actions performed by the operations manager) are shown sequentially. Additionally, this... Figure 7 For example, the communication between one vehicle 2 and the system management server 3 and the administrator terminal device 4 is also taken, but the communication between other vehicles 2 and the system management server 3 and the administrator terminal device 4 is also carried out in the same way.

[0146] First, the air pressure of each tire T, T, ... is identified using the air pressure recognition unit 25a mounted on vehicle 2 (S1), and the identified air pressure information of each tire T, T, ... is sent from DCM22 to system management server 3.

[0147] In the system management server 3, based on the received air pressure information of each tire T, T, ..., a determination process is performed to determine whether the air pressure of tire T was restored to the normal value without either tire replacement or tire repair operations after it dropped to the specified abnormal value (determination process for whether improper air pressure restoration behavior occurred) (S2).

[0148] Then, if the tire pressure is restored to normal without either tire replacement or tire repair, and this is determined to be an improper tire pressure restoration, the system management server 3 will refer to the driver's driving history information to determine whether the driver has a history of improper tire pressure restoration (history determination process) (S7).

[0149] Furthermore, in the case of a driver with no prior history of improper tire pressure restoration, a warning message is sent from the system management server 3 to the vehicle 2 by sending the abnormal notification information received from the abnormal notification information creation unit 31 to the warning information sending unit 34 (see reference). Figure 7 (The arrow is indicated by a dashed line in the middle). Thus, one or both of the following are provided: a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning using an image on the display monitor 24.

[0150] If a driver who has received such a warning performs tire changing or repair work (S5), a work completion message is sent to the system management server 3. This work completion message is sent along with the detection of the opening / closing of the switch set on the tire T. Upon receiving this work completion message, the system management server 3 performs a process to stop sending warning messages to the vehicle 2 (warning stop processing) (S6), thereby providing a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning stop using an image displayed on the monitor 24.

[0151] On the other hand, if the driver has a history of improper air pressure restoration, the abnormal notification information received from the abnormal notification information creation unit 31 will be sent to the manager terminal device 4.

[0152] In the manager terminal device 4, information indicating that vehicle 2 has undergone improper tire pressure restoration, information indicating that the driver of vehicle 2 has a history of improper tire pressure restoration, individual information of vehicle 2, and individual information of tire T that has been punctured are displayed on the display screen (display of abnormal notification information), and the abnormal notification information is provided to the operations manager (S3).

[0153] Then, the operations manager operates the management terminal device 4 (warning information sending operation), thereby sending a warning information to the corresponding vehicle (the vehicle in which the driver who performed the improper air pressure restoration act) 2 via the communication network 5. Thus, one or both of the following are provided: a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning using an image on the display monitor 24.

[0154] Therefore, by having the operations manager issue a human warning (advice) to the current driver of vehicle 2, the enforcement of the driver's right to perform tire changing or repair work can be increased. As a means to further enhance this enforcement, it is preferable to emit the operations manager's voice from speaker 23 (to enhance enforcement through direct dialogue between the operations manager and the driver), or to display text information entered by the operations manager through the input unit 41 on the display monitor 24 (displaying text information that serves as a strong warning from the manager).

[0155] Effects of the implementation method

[0156] In this embodiment, the same effect as in the first embodiment can be achieved (if the driver who received the warning message has already performed tire changing or tire repair, subsequent passengers will not be forced to perform tire changing or tire repair, thus relieving the driver's burden). Furthermore, this embodiment enhances the enforcement against repeated improper tire pressure restoration.

[0157] Other implementation methods

[0158] Furthermore, the present invention is not limited to the embodiments described above, and can be adapted to all variations and applications within the scope of the claims and equivalent to that scope.

[0159] For example, in the above embodiments, the application of the vehicle status monitoring system 1 according to the present invention to the vehicle management system of a taxi company has been described as an example. The present invention is not limited thereto, and can also be applied to the vehicle management systems of car rental companies and other car-sharing companies.

[0160] Furthermore, in the above embodiments, the air pressure recognition unit 25a uses information about the difference in rotational speed of each tire T, T, ... to individually identify the air pressure of each tire T, T, ... . The present invention is not limited to this; the air pressure of each tire T, T, ... can also be individually identified by equipping each tire T, T, ... with a pressure sensor.

[0161] Furthermore, in the embodiments described above, a warning message is sent to the vehicle 2 (the vehicle in which the driver who performed the improper air pressure restoration) via the communication network 5, thereby providing one or both of a warning using sound from the speaker 23 mounted on the vehicle 2 and a warning using an image on the display monitor 24. The present invention is not limited to this; the warning message may also be sent to a terminal (such as a smartphone) carried by the driver, providing one or both of a warning using sound from the terminal and a warning using an image on the terminal's display screen.

[0162] Furthermore, in the above embodiments, the individual information of vehicle 2 and tire T are associated with the air pressure information of each tire T, T, ... identified by the air pressure recognition unit 25a. The present invention is not limited to this; it is also possible to associate only the individual information of vehicle 2 with the air pressure information.

[0163] This invention is applicable to a vehicle status monitoring system that can monitor the vehicle status in a vehicle usage mode where multiple drivers share a vehicle under the management of an administrator.

Claims

1. A vehicle status monitoring system, capable of monitoring the vehicle status in a vehicle-sharing scenario under the management of an administrator, including: The tire pressure recognition unit identifies the tire pressure of the vehicle. The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and The system management server receives the tire pressure information sent by the tire pressure information transmitter. The system management server includes an anomaly notification information creation unit. This unit creates an anomaly notification information based on received tire pressure information, provided that the tire pressure has dropped to a predetermined abnormal value and is restored to normal without either tire replacement or repair. The system management server includes an exception notification information sending unit. When the exception notification information is received from the exception notification information creation unit, the exception notification information sending unit sends the exception notification information to the communication device operated by the administrator. The communication device has the following structure: through the operation of the administrator, it can provide warning information to at least one of the user interface device mounted on the vehicle and the terminal carried by the current driver of the vehicle.

2. A vehicle status monitoring system, capable of monitoring the status of a vehicle in a shared-vehicle usage scenario under the management of an administrator, comprising: The tire pressure recognition unit identifies the tire pressure of the vehicle. The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and The system management server receives the tire pressure information sent by the tire pressure information transmitter. The system management server includes an anomaly notification information creation unit. This unit creates an anomaly notification information based on received tire pressure information, provided that the tire pressure has dropped to a predetermined abnormal value and is restored to normal without either tire replacement or repair. The system management server includes a warning information sending unit. When the warning information sending unit receives the abnormal notification information from the abnormal notification information creation unit, it sends the warning information to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle.

3. A vehicle status monitoring system, capable of monitoring the status of a vehicle in a shared-vehicle usage mode under the management of an administrator, comprising: The tire pressure recognition unit identifies the tire pressure of the vehicle. The tire pressure information transmitting unit transmits tire pressure information identified by the tire pressure recognition unit; and The system management server receives the tire pressure information sent by the tire pressure information transmitter. The system management server includes an anomaly notification information creation unit. This unit creates an anomaly notification information based on received tire pressure information, provided that the tire pressure has dropped to a predetermined abnormal value and is restored to normal without either tire replacement or repair. The system management server includes an anomaly notification information sending unit, which sends the anomaly notification information to the communication device operated by the administrator upon receiving the anomaly notification information. The system management server includes a warning information sending unit, which, upon receiving the abnormal notification information, sends warning information to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle. The system management server includes a destination switching unit, which can switch between a first sending method that sends the abnormal notification information to the abnormal notification information sending unit and a second sending method that sends the abnormal notification information to the warning information sending unit. The system management server includes a history information storage unit, which stores the driving history information of each driver. Wherein, when the destination switching unit restores the tire pressure to the normal value without performing either tire replacement or tire repair after the tire pressure drops to the predetermined abnormal value, it refers to the driving history information of each driver stored in the history information storage unit. If the current driver of the vehicle is a driver who has previously restored the tire pressure to the normal value without performing either tire replacement or tire repair after the tire pressure drops to the predetermined abnormal value, the first sending mode is set. If the current driver is not a driver, the second sending mode is set.

4. The vehicle status monitoring system according to claim 2, wherein, After the system management server sends a warning message from the warning message sending unit to at least one of the user interface device mounted on the vehicle and the terminal carried by the current driver of the vehicle, if in the same vehicle, the tire pressure is restored to normal without either tire replacement or tire repair work after it has dropped to a specified abnormal value, the warning level of the warning message sent from the warning message sending unit is increased.

5. The vehicle status monitoring system according to any one of claims 1 to 4, wherein, Multiple of the aforementioned vehicles are managed by the administrator, and The tire pressure information sent from the tire pressure information sending unit to the system management server is information that is associated with individual information assigned to each of the vehicles.

6. A method for monitoring vehicle status, enabling the monitoring of vehicle status in a vehicle-sharing scenario under the management of an administrator, comprising: The tire pressure recognition action identifies the tire pressure of the vehicle. Based on the identified tire pressure information, if the tire pressure drops to a specified abnormal value and is restored to normal without either tire replacement or tire repair, an abnormal notification message is created. and As the abnormal notification information is created, an action is taken to provide a warning message to at least one of the user interface device installed in the vehicle and the terminal carried by the current driver of the vehicle.

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