Driving Evaluation System

The driving evaluation system addresses the issue of unsafe driving at toll stations by measuring and evaluating deceleration, providing feedback that promotes safe driving practices.

JP7761359B2Active Publication Date: 2025-10-28YAZAKI ENERGY SYSTEM CORP
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Patent Information

Application Number
JP2022079922
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-05-16
Publication Date
2025-10-28
Estimated Expiration
2042-05-16

AI Technical Summary

Technical Problem

Conventional driving evaluation systems fail to provide effective feedback to drivers who exceed speed limits at automatic toll collection stations, leading to unsafe driving practices.

Method used

A driving evaluation system that acquires and evaluates deceleration data of vehicles at automatic toll collection stations, using an acquisition unit to measure deceleration and an evaluation unit to assess driver performance based on entry and passing speeds, with adjustments for deceleration.

Benefits of technology

The system provides appropriate evaluations for safe driving by rewarding gradual deceleration and penalizing sudden deceleration, thereby improving driver safety awareness and feedback.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a driving evaluation system capable of appropriately performing driving evaluation.SOLUTION: A driving evaluation system 1 includes an acquisition unit 34 and an evaluation unit 35. The acquisition unit 34 acquires a deceleration that is slowed down when a vehicle V travels on a lane of an automatic toll collection station that automatically collects a toll from the vehicle V traveling on the lane whose speed is limited and passing through a gate. The evaluation unit 35 evaluates a driver based on the deceleration acquired by the acquisition unit 34. The driving evaluation system 1 further includes a calculation unit 33 that calculates the deceleration based on, for example, an entering speed at which the vehicle V enters a lane L and a passing speed at which the vehicle V passes through the gate G. The evaluation unit 35 evaluates the driver based on the entering speed and the passing speed in addition to the deceleration calculated by the calculation unit 33.SELECTED DRAWING: Figure 2
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Description

[Technical Field]

[0001] The present invention relates to a driving evaluation system. [Background technology]

[0002] As a conventional driving evaluation system, for example, Patent Document 1 describes a traffic management system that includes an ETC on-board unit that wirelessly communicates with an ETC roadside unit when using a toll road, and a digital tachograph that records driving information of the vehicle. In this traffic management system, the digital tachograph collects toll road driving information representing entrance information, exit information, and fee information when using a toll road from the ETC on-board unit, and records each piece of collected toll road driving information in association with the time of collection, thereby accumulating and managing toll road usage information in a database. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-344001 Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, in the traffic management system described in Patent Document 1 above, for example, when a driver uses an ETC gate on a toll road, the driver is required to slow down to the speed limit in the ETC lane, but there are drivers who exceed the speed limit and drive in the ETC lane, and it is desirable to perform a driving evaluation when passing through an ETC gate in order to provide feedback to such drivers.

[0005] Therefore, the present invention has been made in consideration of the above, and an object of the present invention is to provide a driving evaluation system that can properly perform driving evaluation. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the objectives, the driving evaluation system of the present invention is characterized by comprising an acquisition unit that acquires the deceleration that a vehicle experiences when traveling in a lane of an automatic toll collection station that automatically collects tolls from vehicles traveling in a speed-restricted lane and passing through a gate, and an evaluation unit that evaluates the driver of the vehicle based on the deceleration acquired by the acquisition unit. [Effects of the Invention]

[0007] The driving evaluation system according to the present invention can give a relatively high evaluation to a driver who slows down in a lane, and can give a relatively low evaluation to a driver who does not slow down in a lane. As a result, the driving evaluation system can appropriately evaluate the driving of drivers who use automatic toll collection stations. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a schematic diagram showing an example of the configuration of a driving evaluation system according to an embodiment. [Figure 2] FIG. 2 is a block diagram showing an example of the configuration of a driving evaluation system according to the embodiment. [Figure 3] FIG. 3 is a schematic diagram showing a specific example of evaluation by the driving evaluation system according to the embodiment. [Figure 4] FIG. 4 is a flowchart showing an example of the operation of the driving evaluation system according to the embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] Modes (embodiments) for carrying out the present invention will be described in detail with reference to the drawings. The present invention is not limited to the contents described in the following embodiments. Furthermore, the components described below include those that can be easily imagined by a person skilled in the art and those that are substantially the same. Furthermore, the configurations described below can be combined as appropriate. Furthermore, various omissions, substitutions, or modifications of the configuration can be made within the scope of the gist of the present invention.

[0010] [Embodiment] A driving evaluation system 1 according to an embodiment will be described with reference to the drawings. The driving evaluation system 1 evaluates the driving of drivers who use automatic toll collection stations P installed on toll roads. Here, it is assumed that the driver to be evaluated is, for example, a driver belonging to a transportation company or the like. The automatic toll collection station P is a location where tolls are automatically collected from vehicles V traveling on toll roads, and as shown in FIG. 1, is provided with a lane L and a gate G. The lane L is a lane where the speed is limited to 20 km / h or less and is, for example, approximately 30 to 40 m long. The gate G is provided on the exit side of the lane L, and is a gate installed across the lane L. An ETC (Electronic Toll Collection) roadside unit Q is provided at the gate G. The ETC roadside unit Q transmits and receives ETC information (such as information about the vehicle V, ETC card number information, entrance toll gate information, exit toll gate information, and toll information) required for toll payment to drivers using toll roads between the ETC roadside unit Q and an ETC on-board unit 10 (described later) installed in the vehicle V. The driving evaluation system 1 encourages drivers to drive safely by providing feedback on their driving evaluation to drivers who use the automatic toll collection booth P. The driving evaluation system 1 will be described in detail below.

[0011] As shown in FIGS. 1 and 2, the driving evaluation system 1 includes an ETC vehicle-mounted device 10, a driving recorder 20, and an evaluation device 30.

[0012] The ETC on-board unit 10 is mounted on a vehicle V and transmits and receives ETC information (information about the vehicle V, ETC card number information, entrance toll gate information, exit toll gate information, toll information, etc.) to and from an ETC roadside unit Q. The ETC on-board unit 10 is configured to include an electronic circuit mainly made up of a well-known microcomputer including a CPU, ROM and RAM constituting memory, and an interface. The ETC on-board unit 10 includes, for example, a memory unit 11, a wireless communication unit 12, and a toll gate information acquisition unit 13. The memory unit 11, the wireless communication unit 12, and the toll gate information acquisition unit 13 are connected to each other so that they can communicate with each other.

[0013] The storage unit 11 is a storage device such as a memory. The storage unit 11 stores conditions and information necessary for various processes in the ETC on-board unit 10, various programs and applications executed by the ETC on-board unit 10, control data, etc. The storage unit 11 also stores the ETC information described above.

[0014] The wireless communication unit 12 wirelessly communicates with the ETC roadside unit Q. When the vehicle V passes an automatic toll collection station P located at the entrance to a toll road, the wireless communication unit 12 receives entrance toll gate information and the like from the ETC roadside unit Q located at the entrance toll gate P. When the vehicle V passes an automatic toll collection station P located at the exit of a toll road, the wireless communication unit 12 transmits information about the vehicle V, ETC card number information, entrance toll gate information and the like to the ETC roadside unit Q located at the exit toll gate P. In this case, the wireless communication unit 12 receives exit toll gate information and toll information from the ETC roadside unit Q.

[0015] The toll gate information acquisition unit 13 acquires toll gate information. The toll gate information acquisition unit 13 acquires entrance toll gate information and exit toll gate information from the wireless communication unit 12. The entrance toll gate information includes information for identifying the entrance automatic toll gate P and information indicating the date and time when the gate G of the entrance automatic toll gate P was passed. Here, the date and time when the gate G of the entrance automatic toll gate P was passed is, for example, the date and time when the entrance toll gate information was received from the ETC roadside device Q installed at the entrance automatic toll gate P. The exit toll gate information includes information for identifying the exit automatic toll gate P and information indicating the date and time when the gate G of the exit automatic toll gate P was passed. Here, the date and time when the gate G of the exit automatic toll gate P was passed is, for example, the date and time when the exit toll gate information was received from the ETC roadside device Q installed at the exit automatic toll gate P. The toll gate information acquisition unit 13 records the acquired entrance toll gate information and exit toll gate information in the memory unit 11.

[0016] Next, the operation recording device 20 will be described. The operation recording device 20 is a device that combines a so-called drive recorder and a digital tachograph. The operation recording device 20 is configured to include an electronic circuit mainly made up of a well-known microcomputer, including a CPU, ROM and RAM constituting memory, and an interface. The operation recording device 20 is configured to be able to communicate with the ETC in-vehicle unit 10. The operation recording device 20 includes a memory unit 21, an acceleration sensor 22, a GPS (Global Positioning System) 23, an SD card 24, and an operation recording unit 25. The memory unit 21, the acceleration sensor 22, the GPS 23, the SD card 24, and the operation recording unit 25 are connected to each other so that they can communicate with each other.

[0017] The storage unit 21 is a storage device such as a memory. The storage unit 21 stores conditions and information necessary for various processes in the operation recording device 20, various programs and applications executed by the operation recording device 20, control data, etc. The storage unit 21 also stores acceleration information of the vehicle V, traveling position information of the vehicle V, traveling distance information of the vehicle V, traveling time information of the vehicle V, speed information of the vehicle V, etc.

[0018] The acceleration sensor 22 detects the acceleration (deceleration) of the vehicle V. The acceleration sensor 22 measures a change in position when acceleration is applied to, for example, an integrated spring and weight. Measurements of the change in position include, for example, measuring a change in frequency, a change in capacitance, a change in electrical resistance due to the piezoelectric effect, etc. The acceleration sensor 22 stores acceleration information representing the detected acceleration of the vehicle V in the memory unit 21.

[0019] The GPS 23 determines the position (latitude, longitude, altitude) using radio waves transmitted from satellites orbiting the Earth. The GPS 23 stores the determined position information indicating the position of the vehicle V in the storage unit 21.

[0020] The SD card 24 is a non-volatile memory card that stores information. The SD card 24 is used when transferring information stored in the memory unit 11 and the memory unit 21 to the evaluation device 30. In this case, the SD card 24 stores, for example, ETC information (information on the vehicle V, information on the entrance toll gate, information on the exit toll gate, toll information, etc.) stored in the memory unit 11, acceleration information on the vehicle V, traveling position information on the vehicle V, traveling distance information on the vehicle V, traveling time information on the vehicle V, speed information on the vehicle V, etc. stored in the memory unit 21.

[0021] The operation recording unit 25 records the travel distance, travel time, speed, etc. of the vehicle V. The operation recording unit 25 stores travel distance information indicating the travel distance of the vehicle V, travel time information indicating the travel time of the vehicle V, and speed information indicating the speed of the vehicle V in the memory unit 21.

[0022] Next, the evaluation device 30 will be described. The evaluation device 30 evaluates the driving of drivers who use the automatic toll collection station P. The evaluation device 30 is configured to include an electronic circuit mainly made up of a well-known microcomputer including a CPU, ROM and RAM constituting memory, and an interface. The evaluation device 30 includes a memory unit 31, an I / F unit 32, a calculation unit 33, an acquisition unit 34, and an evaluation unit 35. The memory unit 31, the I / F unit 32, the calculation unit 33, the acquisition unit 34, and the evaluation unit 35 are connected to each other so that they can communicate with each other.

[0023] The storage unit 31 is a storage device such as a memory. The storage unit 31 stores conditions and information necessary for various processes in the evaluation device 30, various programs and applications executed by the evaluation device 30, control data, etc. The storage unit 31 also stores evaluation result information that indicates the evaluation result.

[0024] The I / F unit 32 is an interface connected to an external device. The I / F unit 32 supports various connector shapes and signal formats depending on the application, and is capable of reading information stored in the SD card 24, for example. The I / F unit 32 is capable of reading ETC information (information on the vehicle V, entrance toll gate information, exit toll gate information, toll information, etc.) stored in the SD card 24, acceleration information on the vehicle V, traveling position information on the vehicle V, traveling distance information on the vehicle V, traveling time information on the vehicle V, speed information on the vehicle V, etc.

[0025] The calculation unit 33 calculates the deceleration of the vehicle V. The calculation unit 33 calculates the deceleration based on, for example, the entry speed at which the vehicle V enters the lane L and the passing speed at which the vehicle V passes through the gate G. The calculation unit 33 acquires the passing speed at which the vehicle V passes through the gate G from, for example, the entrance toll gate information, the exit toll gate information, and the speed information of the vehicle V stored in the SD card 24. The entrance toll gate information includes information for identifying the entrance automatic toll gate P and information indicating the date and time at which the vehicle V passed through the gate G of the entrance automatic toll gate P. The exit toll gate information includes information for identifying the exit automatic toll gate P and information indicating the date and time at which the vehicle V passed through the gate G of the exit automatic toll gate P. The calculation unit 33 acquires the passing speed at the passing point D2 at which the vehicle V passed through the gate G based on the date and time at which the vehicle V passed through the gate G and the speed information of the vehicle V at that time. Furthermore, the calculation unit 33 acquires the speed of the vehicle V at a time a certain time before the time when the vehicle V passed through the passing point D2 of the gate G as the entry speed of the entry point D1 where the vehicle V entered the lane L. Specifically, the calculation unit 33 determines the entry point D1 of the lane L based on the speed and travel time of the vehicle V, and acquires the speed of the vehicle V at this entry point D1 as the entry speed. The calculation unit 33 then calculates the deceleration based on the entry speed at which the vehicle V enters the lane L, the passing speed at which the vehicle V passes through the gate G, and the passing time from when the vehicle V enters the lane L to when it passes through the gate G. Specifically, the calculation unit 33 calculates the deceleration by dividing the value obtained by subtracting the passing speed from the entry speed by the passing time.

[0026] The acquisition unit 34 acquires the deceleration calculated by the calculation unit 33, the entry speed at which the vehicle V enters the lane L, and the passing speed at which the vehicle V passes through the gate G. The acquisition unit 34 outputs the acquired entry speed, passing speed, and deceleration to the evaluation unit 35.

[0027] The evaluation unit 35 evaluates the driving of the driver. The evaluation unit 35 evaluates the driving of the driver based on, for example, the approach speed, the passing speed, and the deceleration. Specifically, the evaluation unit 35 calculates a first evaluation value that evaluates the driver based on the approach speed, and a second evaluation value that evaluates the driver based on the passing speed. For example, the evaluation unit 35 assigns 0 points if the approach speed is 40 km / h or less, -10 points if it is 41 to 45 km / h, -20 points if it is 46 to 50 km / h, -30 points if it is 51 to 55 km / h, and -40 points if it is 60 km / h or more. In this way, the evaluation unit 35 calculates the first evaluation value (0 points to -40 points) that evaluates the driver based on the approach speed. Furthermore, the evaluation unit 35 assigns a score of 0 when the passing speed is 20 km / h or less, a score of -10 when it is 21 to 23 km / h, a score of -20 when it is 24 to 26 km / h, a score of -30 when it is 27 to 29 km / h, and a score of -40 when it is 30 km / h or more. In this way, the evaluation unit 35 calculates a second evaluation value (score of 0 to -40) that evaluates the driver based on the passing speed. Then, the evaluation unit 35 corrects the first evaluation value based on the deceleration. In this case, the evaluation unit 35 multiplies the first evaluation value by, for example, "c / 13×α." Here, "c" represents the deceleration, "α" represents an adjustment parameter, and "13" is a predetermined default value that represents a sudden deceleration. The adjustment parameter "α" has five setting values, for example, "0.5, 0.75, 1, 1.25, 1.5," with "1" being the default. If you want to make the correction due to deceleration stronger, you can set "1.25" or "1.5," and if you want to make the correction due to deceleration weaker, you can set "0.5" or "0.75."

[0028] For example, if the first evaluation value is "-20 points," the deceleration "c" is "5," and the adjustment parameter "α" is "1," the evaluation unit 35 will calculate a corrected first evaluation value based on the speed of the vehicle as "-8 points." Furthermore, if the first evaluation value is the same as the above, "-20 points," the deceleration "c" is greater than the above, "13," and the adjustment parameter "α" is "1," the evaluation unit 35 will calculate a corrected first evaluation value based on the speed of the vehicle as "-20 points," which is a larger deduction than the above "-8 points" and results in a lower evaluation. In this way, the evaluation unit 35 will evaluate the driver relatively highly if the deceleration is relatively small, and will evaluate the driver relatively low if the deceleration is relatively large. This is because sudden deceleration in lane L is undesirable.

[0029] For example, as shown in FIG. 3, the evaluation unit 35 evaluates the driver based on the approach speed (-20 points) and corrects it by the deceleration "c=5" to obtain a corrected first evaluation value (-8 points), and based on the second evaluation value (-30 points) that evaluates the driver based on the passing speed, and assigns the driver a driving evaluation of "62 points (out of 100 points)."

[0030] Next, an example of the operation of the driving evaluation system 1 will be described. In the driving evaluation system 1, as shown in FIG. 4, the calculation unit 33 calculates the deceleration of the vehicle V (step S1). The calculation unit 33 calculates the deceleration based on, for example, the entry speed at which the vehicle V enters the lane L and the passing speed at which the vehicle V passes through the gate G. Next, the acquisition unit 34 acquires the deceleration calculated by the calculation unit 33 (step S2). In this example, the acquisition unit 34 acquires, in addition to the deceleration, the entry speed at which the vehicle V enters the lane L and the passing speed at which the vehicle V passes through the gate G. Next, the evaluation unit 35 evaluates the driving of the driver based on the entry speed, the passing speed, and the deceleration (step S3). The evaluation unit 35 calculates, for example, a first evaluation value that evaluates the driver based on the entry speed and a second evaluation value that evaluates the driver based on the passing speed. Then, the evaluation unit 35 corrects the first evaluation value based on the deceleration, and evaluates the driving of the driver based on the corrected first evaluation value and the second evaluation value.

[0031] As described above, the driving evaluation system 1 according to the embodiment includes an acquisition unit 34 and an evaluation unit 35. The acquisition unit 34 acquires the deceleration of the vehicle V when the vehicle V decelerates in the lane L of the automatic toll collection station P, which automatically collects tolls from vehicles V traveling in the lane L with a speed limit and passing through the gate G. The evaluation unit 35 evaluates the driver of the vehicle V based on the deceleration acquired by the acquisition unit 34. With this configuration, the driving evaluation system 1 can assign a relatively high driving evaluation to a driver who decelerates in the lane L, and can assign a relatively low driving evaluation to a driver who does not decelerate in the lane L. As a result, the driving evaluation system 1 can appropriately evaluate the driving of drivers who use the automatic toll collection station P. The driving evaluation system 1 can improve the safety awareness of drivers by providing feedback on the driving evaluation to the drivers. The driving evaluation system 1 can also grasp each driver's awareness of deceleration in the lane L from each driver's deceleration and use this as a subject of evaluation.

[0032] The driving evaluation system 1 further includes a calculation unit 33 that calculates deceleration based on the entry speed at which the vehicle V enters the lane L and the passing speed at which the vehicle V passes through the gate G. The evaluation unit 35 evaluates the driver based on the entry speed and the passing speed in addition to the deceleration calculated by the calculation unit 33. With this configuration, the driving evaluation system 1 can give a relatively high driving evaluation to a driver whose entry speed is relatively slow, and on the other hand, can give a relatively low driving evaluation to a driver whose entry speed is relatively fast. Furthermore, the driving evaluation system 1 can give a relatively high driving evaluation to a driver whose passing speed is relatively slow, and on the other hand, can give a relatively low driving evaluation to a driver whose passing speed is relatively fast.

[0033] In the driving evaluation system 1, the evaluation unit 35 calculates a first evaluation value that evaluates the driver based on the entry speed and a second evaluation value that evaluates the driver based on the passing speed, and corrects the first evaluation value based on the deceleration. With this configuration, the driving evaluation system 1 can give a relatively high evaluation to a driver who appropriately decelerates in lane L even if the entry speed is relatively fast.

[0034] In the driving evaluation system 1, the evaluation unit 35 evaluates the driver relatively highly when the deceleration is relatively small, and evaluates the driver relatively poorly when the deceleration is relatively large. With this configuration, the driving evaluation system 1 can lower the driving evaluation of a driver who suddenly decelerates in lane L, thereby promoting safe driving.

[0035] In the above description, an example has been described in which the evaluation unit 35 corrects the first evaluation value based on the deceleration, but the present invention is not limited to this. For example, the second evaluation value may be corrected based on the deceleration instead of the first evaluation value, or both the first evaluation value and the second evaluation value may be corrected based on the deceleration. Furthermore, the evaluation unit 35 may evaluate the deceleration using another method, without using the deceleration as a correction coefficient for correcting the first evaluation value and the second evaluation value.

[0036] In the driving evaluation system 1, an example has been described in which the calculation unit 33 calculates the deceleration based on the entry speed at which the vehicle V enters the lane L and the passing speed at which the vehicle V passes through the gate G, but this is not limiting. For example, in the driving evaluation system 1, the acquisition unit 34 may acquire the deceleration detected by the acceleration sensor 22. In this case, the acquisition unit 34 acquires the deceleration when the vehicle V travels in the lane L from the acceleration sensor 22.

[0037] In the above example, the evaluation unit 35 evaluates the driver relatively highly when the deceleration is relatively small, and evaluates the driver relatively poorly when the deceleration is relatively large, but the present invention is not limited to this.

[0038] The driving evaluation system 1 may be configured to provide an alert according to the passing speed when the vehicle V passes through the gate G. For example, the driving evaluation system 1 may provide an alert that it is safe if the passing speed is 20 km / h or less, issue a caution if the passing speed is 21 to 25 km / h, and issue a warning if the passing speed is 26 km / h or more.

[0039] The calculation unit 33 may acquire the entry point D1 and the passing point D2 from the position information of the GPS 23, and acquire the entry speed at the acquired entry point D1 and the passing speed at the passing point D2.

[0040] The driving evaluation system 1 may evaluate the driving in other driving sections in addition to driving through the automatic toll collection booth P. [Explanation of symbols]

[0041] 1. Driving evaluation system 33 Arithmetic section 34 Acquisition Department 35 Evaluation Department G Gate L Lane P Automatic toll booth V vehicle

Claims

1. an acquisition unit that acquires a deceleration of a vehicle when the vehicle is traveling in a lane of an automatic toll collection station that automatically collects tolls from vehicles traveling in a lane with a speed limit and passing through a gate; an evaluation unit that evaluates the driver of the vehicle based on the deceleration acquired by the acquisition unit.

2. a calculation unit that calculates the deceleration based on an entry speed at which the vehicle enters the lane and a passing speed at which the vehicle passes through the gate, The driving evaluation system according to claim 1 , wherein the evaluation unit evaluates the driver based on the approach speed and the passing speed in addition to the deceleration calculated by the calculation unit.

3. 3. The driving evaluation system according to claim 2, wherein the evaluation unit calculates a first evaluation value that evaluates the driver based on the approach speed and a second evaluation value that evaluates the driver based on the passing speed, and corrects at least one of the first evaluation value and the second evaluation value based on the deceleration.

4. The driving evaluation system according to any one of claims 1 to 3, wherein the evaluation unit evaluates the driver relatively highly when the deceleration is relatively small, and evaluates the driver relatively low when the deceleration is relatively large.

Citation Information

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