WO2010140238A1 - 車載情報処理装置 - Google Patents
車載情報処理装置 Download PDFInfo
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- WO2010140238A1 WO2010140238A1 PCT/JP2009/060275 JP2009060275W WO2010140238A1 WO 2010140238 A1 WO2010140238 A1 WO 2010140238A1 JP 2009060275 W JP2009060275 W JP 2009060275W WO 2010140238 A1 WO2010140238 A1 WO 2010140238A1
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- Prior art keywords
- vehicle
- information
- traffic
- traffic light
- signal
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Definitions
- the present invention relates to an on-vehicle information processing apparatus, and more particularly to an on-vehicle information processing apparatus that provides information based on traffic signal information related to a lighting state of a traffic signal.
- Patent Document 1 discloses a system in which a DSRC transmitter that transmits traffic signal information is provided in a traffic signal, and a vehicle-mounted device is mounted on the vehicle.
- the signal information is received by the DSRC receiver of the in-vehicle device, the lighting state and change timing of the signal device are obtained from the received information, and the lighting state and change timing of the signal device are displayed on the display device of the in-vehicle device.
- the driver can travel after recognizing the time until the lighting state of the traffic light changes.
- the present invention has been made in view of such circumstances, and an object thereof is to provide an in-vehicle information processing apparatus that can provide information based on traffic signal information more accurately when necessary. There is.
- the present invention comprises a traffic signal information acquisition unit that acquires traffic signal information relating to a lighting state of a traffic signal, and an information provision unit that provides information based on the traffic signal information acquired by the traffic signal information acquisition unit.
- This is an in-vehicle information processing apparatus that starts providing information based on traffic signal information when the vehicle speed becomes a predetermined threshold value or less.
- the in-vehicle information processing apparatus including the traffic signal information acquisition unit that acquires the traffic signal information related to the lighting state of the traffic signal, and the information provision unit that provides information based on the traffic signal information acquired by the traffic signal information acquisition unit.
- the information providing unit starts providing information based on the traffic signal information when the vehicle speed of the host vehicle becomes a predetermined threshold value or less. Therefore, even if the host vehicle tries to pass the traffic signal but stops for some reason before the traffic signal, the information based on the traffic signal information when the vehicle speed of the host vehicle falls below a predetermined threshold value. Will be offered again. Therefore, it becomes possible to provide information based on traffic signal information more accurately when necessary.
- the information providing unit terminates the provision of information based on the traffic light information when the vehicle speed of the host vehicle exceeds a predetermined threshold while providing the information based on the traffic light information.
- the information providing unit when providing information based on traffic signal information, the information providing unit ends providing information based on traffic signal information when the vehicle speed of the host vehicle exceeds a predetermined threshold. For this reason, the provision of information is terminated when the host vehicle passes the traffic signal and the provision of the information based on the traffic signal information is no longer necessary. Therefore, providing unnecessary information can prevent the driver from being bothered or confused.
- the information providing unit when the vehicle speed of the host vehicle exceeds a predetermined threshold, after displaying the information based on the traffic signal information, the vehicle speed of the host vehicle is equal to or lower than the predetermined threshold, and When a predetermined condition related to other than the vehicle speed is satisfied, it is preferable to restart provision of information based on traffic signal information.
- the information providing unit when the vehicle speed of the host vehicle exceeds a predetermined threshold value, the information providing unit is configured to display the information based on the traffic signal information.
- the provision of information based on the traffic signal information is resumed when a predetermined condition related to the vehicle speed other than the vehicle speed is satisfied. Therefore, for example, it is possible to prevent information from being provided when the vehicle speed of the host vehicle falls below a predetermined threshold regardless of a reasonable cause such as the vehicle speed being intentionally or accidentally reduced by the driver. it can. Therefore, it becomes possible to provide information based on traffic signal information more accurately when necessary.
- the predetermined condition is that another vehicle exists in front of the host vehicle.
- the predetermined condition is that there is another vehicle ahead of the host vehicle and the other vehicle is making a right turn or a left turn.
- the reason why the vehicle speed of the host vehicle is equal to or lower than the predetermined threshold is a reasonable cause that another vehicle exists in front of the host vehicle and the other vehicle is making a right turn or a left turn.
- the provision of information is resumed. Therefore, for example, information can be prevented from being provided when the vehicle speed of the host vehicle is equal to or lower than a predetermined threshold regardless of a reasonable cause such as traffic jam. Therefore, it becomes possible to provide information based on traffic signal information more accurately when necessary.
- the in-vehicle information processing apparatus of the present invention it is possible to provide information based on traffic signal information more accurately when necessary.
- the in-vehicle information processing apparatus 100 includes a GPS 101, a front camera 102, a millimeter wave radar 103, a communication device 104, a vehicle speed sensor 105, a display 106, and a speaker. 107, a storage device (HDD) 120 and a navigation ECU 130 are connected to each other.
- the in-vehicle information processing apparatus 100 coordinates time-series traffic signal information regarding the lighting state of traffic signals received by the communication device 104 from a roadside facility such as an optical beacon and navigation information by the GPS 101 and the storage device 120. It is a device for performing driving assistance.
- the GPS (Global Positioning System) 101 is for receiving signals from a plurality of GPS sanitations with a GPS receiver and measuring the position of the host vehicle from the difference of each signal.
- the front camera 102 is used to obtain the speed of the preceding vehicle (including relative speed), the deceleration, the inter-vehicle distance from the own vehicle, and the inter-vehicle time with the own vehicle by imaging the preceding vehicle ahead of the own vehicle. It is done.
- the millimeter wave radar 103 is used to obtain the speed (including relative speed) of a preceding vehicle ahead of the host vehicle, acceleration, the inter-vehicle distance from the host vehicle, and the inter-vehicle time with the host vehicle.
- the radar 103 is a sensor that detects a vehicle speed, a deceleration, an inter-vehicle distance, and an inter-vehicle time of a preceding vehicle by irradiating a millimeter wave forward, receiving a reflected wave reflected by an object, and returning.
- the communication device 104 is specifically an optical beacon receiver or an inter-vehicle communication device for acquiring time-series traffic signal information regarding the lighting state of the traffic light transmitted from the optical beacon transmitter of the roadside facility or other vehicle. Is.
- the time-series traffic signal information relating to the lighting state of the traffic light includes lighting time information relating to the remaining time until the red signal of the traffic light changes.
- the vehicle speed sensor 105 is a sensor that detects the vehicle speed of the host vehicle from the rotational speed of the axle.
- the display 106 is for providing the driver with lighting time information regarding the remaining time until the red signal of the traffic light changes due to the screen display.
- the speaker 107 is used to provide the driver with lighting time information relating to the remaining time until the red signal of the traffic light changes due to voice.
- a storage device 120 has a map information DB 121 in which map information is recorded, and the infrastructure cooperation ECU 110 and the navigation ECU 130 together with the positioning information of the host vehicle obtained by the GPS 101, the host vehicle. Is for acquiring information on the route, distance traveled, and the like.
- the storage device 120 records time-series traffic signal information related to past lighting states of traffic signals at each location.
- the infrastructure cooperation ECU 110 includes time-series traffic signal information regarding the lighting state of the traffic signal received by the communication device 104 from the optical beacon transmitter, the route on which the host vehicle obtained from the GPS 101 positioning information and the map information DB 121 is traveling, Information on the distance, etc., the vehicle speed of the host vehicle acquired by the vehicle speed sensor 105, information on the preceding vehicle and traffic signals acquired by the millimeter wave 103 and the camera 102, and past traffic signals at each location recorded in the storage device 120 Based on the time-series traffic signal information regarding the lighting state, the display 106 and the speaker 107 provide the driver with lighting time information regarding the remaining time until the red signal of the traffic signal changes.
- the navigation ECU 130 uses the GPS 101 positioning information and the map information DB 121 to obtain information on the route, distance traveled, etc. of the host vehicle, the vehicle speed of the host vehicle acquired by the vehicle speed sensor 105, and the communication device 104. Based on the information about the traffic situation received from the optical beacon transmitter of the fracture, the route guidance for the driver of the own vehicle is performed using the display 106 and the speaker 107.
- the front camera 102, the millimeter wave radar 103, the communication device 104, and the navigation ECU 130 may not be all equipped. Further, the infrastructure cooperation ECU 110 may include the navigation ECU 130.
- the infrastructure cooperation ECU 110 receives the time-series traffic signal information regarding the lighting state of the traffic lights from the optical beacon transmitter of the roadside infrastructure and the inter-vehicle communication device by the communication device 104, or the storage device It is assumed that time-series traffic signal information regarding the past lighting state of traffic signals at each location recorded in 120 is acquired.
- Infrastructure cooperation ECU110 judges whether the service which notifies signal waiting time is possible from the acquired traffic signal information as a premise (S111). When the remaining time until the red signal of the traffic light changes is shorter than a predetermined time (for example, 1 to 5 seconds), or when the remaining time until the red signal of the traffic light changes cannot be specified, the infrastructure cooperation ECU 110 Do not execute the service to notify the signal waiting time.
- a predetermined time for example, 1 to 5 seconds
- the infrastructure cooperation ECU 110 determines whether or not the start condition of the signal waiting time notification is satisfied (S112).
- the signal waiting time start condition is that the vehicle speed of the host vehicle detected by the vehicle speed sensor 105 is not more than a predetermined threshold (40 km / h, more preferably 20 km / h, more preferably 10 km / h). is there. Further, the start condition of the signal waiting time notification is that the red signal is being lit and that there is no other traffic light between the traffic light and the host vehicle.
- the infrastructure cooperation ECU 110 displays the signal waiting time on the display 106, or notifies the speaker 107 by voice (S113).
- the screen display 200 of the display 106 displays a 2D map display 210 indicating the current position of the host vehicle on the entire surface.
- the screen display 200 of the display 106 displays a 2D map display 210 indicating the current position of the host vehicle on the left half, and the current self on the right half.
- a 3D driver's view display 220 near the intersection of the traffic light that the vehicle is about to pass through is displayed.
- the signal waiting time notification service is implemented during the screen display 200 so that the driver can easily understand. Is displayed, and the remaining time of the red signal is displayed in the signal remaining time display icon 240 at intervals of 5 seconds. Alternatively, whether or not the signal waiting time notification service can be performed may be notified by the speaker 107 in advance.
- the signal cycle display bar 250 can display the acquired traffic signal information and the remaining time of the red signal from the time when the traffic signal information is acquired. Is displayed on the acquired signal cycle time display 251.
- the vehicle speed of the host vehicle detected by the vehicle speed sensor 105 is a predetermined threshold value (40 km / h, more preferably 20 km / h, more preferably 10 km / h, which is different from the threshold value of the signal waiting time notification start condition.
- the infrastructure cooperation ECU 110 deletes the display of the signal waiting time from the display 106, and returns from the screen display 200 shown in FIG. 4 to the screen display shown in FIG. 3 (S115).
- a separate travel history DB is provided in the storage device 120 to record the travel history for each driver. For example, the driver can quickly find an intersection in the travel history recorded in the travel history DB. The determination may be made based on the driving tendency of the driver, such as a tendency to pass.
- the infrastructure cooperation ECU 110 determines whether there is another vehicle ahead of the host vehicle (117). In this case, as shown in FIG. 5, in this case, there is another vehicle 350 between the traffic light 401 and the own vehicle 300, between the stop line of the traffic light 401 and the own vehicle 300, or between the intersection road and the own vehicle 300. Determine if it exists.
- Whether the other vehicle 350 exists in front of the host vehicle 300 is determined based on the detection result of the other vehicle 350 by the front camera 102 and the millimeter wave radar 103 and the inter-vehicle notification with the other vehicle 350 by the communication device 104. it can. As will be described later, whether or not the other vehicle 350 exists in front of the host vehicle 300 is determined that the decrease or stop of the speed of the host vehicle 300 is caused by the other vehicle 350 in front. I will do it for you. Therefore, when the speed of the host vehicle 300 decreases or stops, it is determined that the other vehicle 350 exists between the host vehicle 300 and the stop line based on the distance between the host vehicle 300 and the stop line of the traffic light 401. You may do it.
- the infrastructure cooperation ECU 110 satisfies the signal waiting time notification start condition such that the vehicle speed is equal to or less than a predetermined threshold, similarly to S112. Determine whether or not.
- the infrastructure coordination ECU 110 ends the signal waiting time notification process.
- the infrastructure cooperation ECU 110 starts the signal waiting time notification again in the same manner as in S113.
- the service termination condition similar to S116 is satisfied (S121)
- the infrastructure coordination ECU 110 ends the signal waiting time notification process.
- the in-vehicle information processing apparatus includes the communication device 104 that acquires the traffic signal information related to the lighting state of the traffic signal 401 and the display 106 that performs the signal waiting time notification based on the traffic signal information acquired by the communication device 104.
- the display 106 starts a signal waiting time notification when the vehicle speed of the host vehicle 300 becomes a predetermined threshold value or less. Therefore, even when the host vehicle 300 tries to pass the traffic signal but stops for some reason before the traffic signal, when the vehicle speed of the host vehicle 300 falls below a predetermined threshold, the signal waiting time Notification is made again. For this reason, it is possible to perform signal waiting time notification more appropriately when necessary.
- the display 106 ends the signal waiting time notification when the vehicle speed of the host vehicle 300 exceeds a predetermined threshold value while performing the signal waiting time notification. Therefore, when the own vehicle 300 passes the traffic light and the signal waiting time notification is no longer necessary, the signal waiting time notification is terminated. Therefore, providing unnecessary information can prevent the driver from being bothered or confused.
- the display 106 displays that when the vehicle speed of the host vehicle 300 exceeds a predetermined threshold, the vehicle speed of the host vehicle 300 becomes equal to or lower than the predetermined threshold after the signal waiting time notification ends.
- the signal waiting time notification is resumed only when a predetermined condition regarding the vehicle 300 other than the vehicle speed is satisfied. Therefore, for example, when the vehicle speed of the host vehicle 300 is equal to or lower than a predetermined threshold regardless of a reasonable cause such as a driver's intentionally or accidentally decreasing the vehicle speed, a signal waiting time notification is prevented. be able to. For this reason, it is possible to perform signal waiting time notification more appropriately when necessary.
- the signal waiting time notification is started again only when there is another vehicle 350 ahead and the other vehicle 350 is making a right turn or a left turn.
- the processing of S211 to S213 is performed in the same manner as S111 to S113 of FIG. 2 of the first embodiment.
- the infrastructure cooperation ECU 110 detects the presence of the other vehicle 350 ahead detected by inter-vehicle communication using the front camera 102, the millimeter wave radar 103, and the communication device 104, and the own vehicle.
- the stop position of 300 is recorded (S214).
- the infrastructure cooperation ECU 110 ends the signal waiting time notification when the vehicle speed of the host vehicle 300 increases beyond the threshold, similarly to S114 to S116 of FIG. 2 of the first embodiment (S215 to S217).
- the infrastructure cooperation ECU 110 records the presence of the other vehicle 350 ahead (S218).
- the infrastructure cooperation ECU 110 determines the cause of the decrease or stop of the vehicle speed of the host vehicle 300 based on the stop position of the host vehicle 300 and the behavior of the other vehicle 350 ahead in S214 and S218 (S219).
- the infrastructure cooperation ECU 110 causes the vehicle speed of the host vehicle 300 to decrease or stop when the other vehicle 350 in the front turns right or left as shown in FIG. Judge that there is.
- the infrastructure cooperation ECU 110 may determine that the cause of the decrease or stop of the vehicle speed of the host vehicle 300 is a right turn or a left turn of the other vehicle 350 ahead. .
- the remaining distance to the stop line of the traffic light 401 is long As in the first embodiment, it can be determined that the remaining distance to the stop line of the traffic light 401 is a right / left turn of the other vehicle 350.
- the remaining distance to the stop line of the traffic light 401 is the vehicle speed detected by the vehicle speed sensor 105 and the navigation ECU 130, road shape information detected by the navigation ECU 130, and optical beacon transmission by the navigation ECU 130, the front camera 102, and the communication device 104. Judgment is made based on position information by road-to-vehicle communication with a machine.
- the acceleration after stopping of the host vehicle 300 is large. It can be determined that the acceleration after stopping is a right / left turn of the other vehicle 350, unlike the case of traffic jams.
- the acceleration after the host vehicle 300 is stopped is determined based on the vehicle speed detected by the vehicle speed sensor 105 and the navigation ECU 130, and the measured value of the accelerator pedal stroke or throttle opening.
- the moving distance after the own vehicle 300 starts again is long.
- the long moving distance after the own vehicle 300 starts again determines that the other vehicle 350 turns right or left unlike a traffic jam or the like. it can.
- the travel distance after the host vehicle 300 starts again is determined by the vehicle speed detected by the vehicle speed sensor 105 and the navigation ECU 130, the position information by the GPS 101, and the like.
- the other vehicle 350 in front is turning on the direction indicator.
- the fact that the other vehicle 350 in front is turning on the direction indicator is the distance between the vehicle and the other vehicle 350 by the front camera 102 and the communication device 104. Determined by communication or the like.
- the other vehicle 350 in front is inclined to the left or right, or the destination of the other vehicle 350 in front is near.
- the fact that the other vehicle 350 in the front is inclined to the left or right or the destination is close is a traffic jam. Unlike other cases, it can be determined that the other vehicle 350 turns right or left. Whether the other vehicle 350 in front of the vehicle is inclined to the left or right or the destination is close is determined by inter-vehicle communication with the other vehicle 350 by the front camera 102 or the communication device 104.
- the front of the other vehicle 350 in front is vacant
- the fact that the front of the other vehicle 350 in front is vacant can be determined as a right / left turn of the other vehicle 350, unlike the case of traffic jams.
- the fact that the front of the other vehicle 350 in front is vacant is that information of a camera or radar mounted in front of the other vehicle 350 is received by inter-vehicle communication by the communication device 104 or road-to-vehicle communication by the communication device 104. This is determined by receiving information from the roadside infrastructure.
- Judgment by traffic flow For example, it is judged that the other vehicle 350 turns right or left unlike the case of traffic jams or the like, because the other vehicle 350 stops at a position away from the stop line even though the traffic flow is small. it can.
- the traffic flow is determined by receiving information from the roadside infrastructure through road-to-vehicle communication by the front camera 102, the navigation ECU 130, and the communication device 104.
- the host vehicle 300 has decelerated or stopped since the green signal was lit
- the fact that the host vehicle 300 decelerated or stopped since the green signal was lit can be determined as a right / left turn of the other vehicle 350.
- the fact that the vehicle 300 has decelerated or stopped since the time when the green signal was lit is that the vehicle speed detected by the vehicle speed sensor 105, the traffic signal information received from the roadside infrastructure through road-to-vehicle communication by the communication device 104, and the traffic signal acquired by the front camera 102. Judged by information.
- the host vehicle 300 decelerated or stopped even though the traffic light 401 was not visible from the host vehicle 300.
- the host vehicle 300 was decelerated or stopped even though the traffic signal 401 was not visible from the host vehicle 300. It can be determined that the vehicle 350 turns right or left.
- the fact that the host vehicle 300 has decelerated or stopped even though the traffic signal 401 is not visible from the host vehicle 300 indicates that the vehicle speed detected by the vehicle speed sensor 105 and the road-to-vehicle communication by the front camera 102, the millimeter wave radar 103, and the communication device 104. Is determined based on the information on the terrain received from the roadside infrastructure and the information on the situation ahead of the vehicle received from the other vehicle by the inter-vehicle communication by the communication device 104.
- the driver of the own vehicle 300 indicated the intention of resuming the signal waiting time notification by a switch operation, etc.
- the driver of the own vehicle 300 indicated the intention of resuming the signal waiting time notification by a switch operation, etc. This can be determined as a left / right turn of the other vehicle 350. For example, when a redisplay button is prepared on the display 106 and the start condition of the signal waiting time notification is satisfied when the redisplay button is pressed, the signal waiting time notification can be displayed again.
- the infrastructure coordination ECU 110 When it is determined that the cause of the decrease or stop of the vehicle speed of the host vehicle 300 is a left / right turn of the other vehicle ahead (S220), the infrastructure coordination ECU 110 notifies the signal waiting time in the same manner as S118 in the first embodiment.
- the signal waiting time notification is resumed (S223) on the condition that the start condition is satisfied (S221) and that the service end condition is not satisfied as in S119 of the first embodiment (S222).
- the infrastructure coordination ECU 110 ends the signal waiting time notification process.
- the cause that the vehicle speed of the host vehicle 300 is equal to or less than the predetermined threshold is that the other vehicle 350 exists in front of the host vehicle 300 and the other vehicle 350 performs a right turn or a left turn.
- Signal latency notification is resumed when there is a reasonable cause. Therefore, for example, it is possible to prevent a signal waiting time notification from being made when the vehicle speed of the host vehicle 300 is equal to or lower than a predetermined threshold regardless of a reasonable cause such as traffic jam. Therefore, it becomes possible to provide information based on traffic signal information more accurately when necessary.
- the in-vehicle information processing apparatus of the present invention it is possible to provide information based on traffic signal information more accurately when necessary.
- On-vehicle information processing apparatus 101 GPS 102 Front camera 103 Millimeter wave radar 104 Communication device 105 Vehicle speed sensor 106 Display 107 Speaker 110 Infrastructure cooperation ECU 120 Storage device (HDD) 121 Map information DB 130 Navi ECU 200 screen display 210 2D map display 220 3D driver's view display 230 service execution display icon 240 signal remaining time display icon 250 signal cycle display bar 251 acquired signal cycle time display 300 own vehicle 350 other vehicle 401 traffic light
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Abstract
Description
前方の他車両350との距離が急に長くなったり、他車両350が急に検出不可となったことは、他車両350の右左折と判断できる。前方カメラ102及びミリ波レーダ103により測定された他車両350との車間距離の変位が所定の閾値よりも大きいときに、他車両350の右左折と判断される。
上記第1実施形態と同様に、信号機401の停止線までの残距離が長いことは、他車両350の右左折と判断できる。信号機401の停止線までの残距離は、車速センサ105やナビECU130により検出される車速、ナビECU130により検出される交差点の道路形状の情報及びナビECU130や前方カメラ102や通信装置104による光ビーコン送信機等との路車間通信による位置情報により判断される。
停止後の加速度が大きいことは、渋滞等の場合と異なり、他車両350の右左折と判断できる。自車両300の停止後の加速度は、車速センサ105やナビECU130により検出される車速や、アクセルの踏量又はスロットル開度の測定値により判断される。
自車両300の再度発進してからの移動距離が長いことは、渋滞等の場合と異なり、他車両350の右左折と判断できる。自車両300の再度発進してからの移動距離は、車速センサ105やナビECU130により検出される車速や、GPS101による位置情報等により判断される。
前方の他車両350が方向指示器を点灯していることは、前方カメラ102や通信装置104による他車両350との車車間通信等により判断される。
前方の他車両350が左右に傾斜していること又は目的地が近いことは、渋滞等の場合と異なり、他車両350の右左折と判断できる。前方の他車両350が左右に傾斜していること又は目的地が近いことは、前方カメラ102や通信装置104による他車両350との車車間通信等により判断される。
前方の他車両350の前方が空いていることは、渋滞等の場合と異なり、他車両350の右左折と判断できる。前方の他車両350の前方が空いていることは、他車両350の前方に搭載されたカメラやレーダの情報を通信装置104による車車間通信により受信することや、通信装置104による路車間通信により路側インフラストラクチャーからの情報を受信することで判断される。
例えば、交通流が少ないにも関わらず、他車両350が停止線よりも離れた位置で停止したことは、渋滞等の場合と異なり、他車両350の右左折と判断できる。交通流は、前方カメラ102やナビECU130や通信装置104による路車間通信により路側インフラストラクチャーからの情報を受信することで判断される。
自車両300が青信号点灯時から減速又は停止したことは、他車両350の右左折と判断できる。車両300が青信号点灯時から減速又は停止したことは、車速センサ105により検出された車速と、通信装置104による路車間通信により路側インフラストラクチャーから受信した信号機情報や、前方カメラ102により取得された信号機情報により、判断される。
自車両300から信号機401が見えないにも関わらず自車両300が減速又は停止したことは、他車両350の右左折と判断できる。自車両300から信号機401が見えないにも関わらず自車両300が減速又は停止したことは、車速センサ105により検出された車速と、前方カメラ102やミリ波レーダ103や通信装置104による路車間通信により路側インフラストラクチャーから受信した地形に関する情報や、通信装置104による車車間通信により他車両から受信した前方の状況に関する情報により、判断される。
自車両300のドライバーがスイッチ操作等により信号待ち時間通知の再開を希望する意思を示したことは、他車両350の右左折と判断できる。例えば、ディスプレイ106に再表示ボタンを用意し、再表示ボタンを押下した場合に信号待ち時間通知の開始条件が成立した場合は、信号待ち時間通知を再度表示するものとできる。
101 GPS
102 前方カメラ
103 ミリ波レーダ
104 通信装置
105 車速センサ
106 ディスプレイ
107 スピーカ
110 インフラ協調ECU
120 記憶装置(HDD)
121 地図情報DB
130 ナビECU
200 画面表示
210 2D地図表示
220 3Dドライバーズビュー表示
230 サービス実施表示アイコン
240 信号残り時間表示アイコン
250 信号サイクル表示バー
251 取得済み信号サイクル時間表示
300 自車両
350 他車両
401 信号機
Claims (5)
- 信号機の点灯状態に関する信号機情報を取得する信号機情報取得ユニットと、
前記信号機情報取得ユニットが取得した前記信号機情報に基づく情報を提供する情報提供ユニットと、
を備え、
前記情報提供ユニットは、自車両の車速が所定の閾値以下になったときに、前記信号機情報に基づく情報の提供を開始する、車載情報処理装置。 - 前記情報提供ユニットは、前記信号機情報に基づく情報を提供しているときに、前記自車両の車速が所定の閾値を超えたときに、前記信号機情報に基づく情報の提供を終了する、請求項1に記載の車載情報処理装置。
- 前記情報提供ユニットは、前記自車両の車速が所定の閾値を超えたときに、前記信号機情報に基づく情報の表示を終了した後は、前記自車両の車速が所定の閾値以下となり、且つ前記自車両の車速以外に関する所定の条件を満たした場合に、前記信号機情報に基づく情報の提供を再開する、請求項2に記載の車載情報処理装置。
- 前記所定の条件とは、前記自車両の前方に他車両が存在することである、請求項3に記載の車載情報処理装置。
- 前記所定の条件とは、前記自車両の前方に前記他車両が存在し、且つ前記他車両が右折及び左折のいずれかを行っていることである、請求項4に記載の車載情報処理装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US13/000,536 US8508386B2 (en) | 2009-06-04 | 2009-06-04 | In-vehicle information processor |
JP2010547768A JP4973787B2 (ja) | 2009-06-04 | 2009-06-04 | 車載情報処理装置 |
EP09845523.1A EP2439713B1 (en) | 2009-06-04 | 2009-06-04 | In-vehicle information processing device |
PCT/JP2009/060275 WO2010140238A1 (ja) | 2009-06-04 | 2009-06-04 | 車載情報処理装置 |
CN200980124911.2A CN102077257B (zh) | 2009-06-04 | 2009-06-04 | 车载信息处理装置 |
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PCT/JP2009/060275 WO2010140238A1 (ja) | 2009-06-04 | 2009-06-04 | 車載情報処理装置 |
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WO2010140238A1 true WO2010140238A1 (ja) | 2010-12-09 |
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US (1) | US8508386B2 (ja) |
EP (1) | EP2439713B1 (ja) |
JP (1) | JP4973787B2 (ja) |
CN (1) | CN102077257B (ja) |
WO (1) | WO2010140238A1 (ja) |
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EP2439713A1 (en) | 2012-04-11 |
US20110090094A1 (en) | 2011-04-21 |
JP4973787B2 (ja) | 2012-07-11 |
EP2439713B1 (en) | 2015-08-19 |
CN102077257A (zh) | 2011-05-25 |
EP2439713A4 (en) | 2012-11-07 |
US8508386B2 (en) | 2013-08-13 |
CN102077257B (zh) | 2015-03-04 |
JPWO2010140238A1 (ja) | 2012-11-15 |
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