JP2009009288A - On-vehicle unit and signal information providing system using the same - Google Patents

On-vehicle unit and signal information providing system using the same Download PDF

Info

Publication number
JP2009009288A
JP2009009288A JP2007168995A JP2007168995A JP2009009288A JP 2009009288 A JP2009009288 A JP 2009009288A JP 2007168995 A JP2007168995 A JP 2007168995A JP 2007168995 A JP2007168995 A JP 2007168995A JP 2009009288 A JP2009009288 A JP 2009009288A
Authority
JP
Japan
Prior art keywords
signal
vehicle
right turn
switching time
traffic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2007168995A
Other languages
Japanese (ja)
Other versions
JP4825173B2 (en
Inventor
Masayasu Fujii
正泰 藤井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2007168995A priority Critical patent/JP4825173B2/en
Publication of JP2009009288A publication Critical patent/JP2009009288A/en
Application granted granted Critical
Publication of JP4825173B2 publication Critical patent/JP4825173B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Traffic Control Systems (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a signal information providing system that prevents unnecessary acceleration of vehicles and reduces waits for signals. <P>SOLUTION: In an on-vehicle unit 1, a signal change time reception means 11 receives change times of a signal 2 wirelessly transmitted by a signal change time transmission means 21 of the signal 2, a GPS function 12 acquires the position of the on-vehicle unit 1 and the position of the signal 2, an arithmetic means 13 computes a recommended speed of a vehicle to the signal 2 from the change times of the signal received by the signal change time reception means 11 and the position of the on-vehicle unit 1 and the position of the signal 2 acquired by the GPS function 12, and a voice/warning display means 14 presents the computation to the driver, so that unnecessary acceleration of the vehicle is prevented and waits for signals are reduced. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、信号機の切り替わりを把握し、推奨速度を運転手に提示する車載器及びこれを用いた信号情報提供システムに関するものである。   The present invention relates to a vehicle-mounted device that grasps switching of a traffic light and presents a recommended speed to a driver, and a signal information providing system using the same.

特許文献１は、従来の交通情報提供装置であり、車載ナビの地図上に他方向道路の状況を表示している。この従来の交通情報提供装置においては、交差点の映像情報に撮影位置情報を付加して車両に送信し、車載ナビの地図上に映像表示することで、他方向道路の状況を運転手に知らしめている。   Patent document 1 is a conventional traffic information providing apparatus, and displays the state of a road in another direction on a map of an in-vehicle navigation system. In this conventional traffic information providing device, shooting position information is added to the video information of the intersection, transmitted to the vehicle, and displayed on the map of the in-vehicle navigation system to inform the driver of the situation of the other direction road. Yes.

特開２００６−２３９８５号公報（第５〜１２頁、図１）JP 2006-23985 (pages 5 to 12, FIG. 1)

以上のように構成された従来の交通情報提供装置は、交差点の映像情報と地図上に表示するための付加情報しか車両に送信しないため、運転手が地図と映像を見ながら考えて交差点状況を判断するしかない等の問題点があった。   The conventional traffic information providing apparatus configured as described above transmits only the video information of the intersection and additional information to be displayed on the map to the vehicle, so that the driver can think about the situation of the intersection while looking at the map and the video. There were problems such as having to judge.

この発明は、上述のような課題を解決するためになされたものであり、車両の無駄な加速を防止し、信号待ちを少なくする車載器及びこれを用いた信号情報提供システムを得ることを目的にしている。   The present invention has been made to solve the above-described problems, and it is an object of the present invention to obtain an in-vehicle device that prevents unnecessary acceleration of a vehicle and reduces signal waiting, and a signal information providing system using the same. I have to.

この発明に係わる車載器においては、車両に搭載された車載器であって、信号機から無線により信号機の切り替わり時限を受信する信号切替時限受信手段、車載器の位置と信号機の位置をＧＰＳにより取得するＧＰＳ手段、信号切替時限受信手段によって受信された信号機の切り替わり時限と、ＧＰＳ手段によって取得された車載器の位置及び信号機の位置とに基づき、車両の推奨速度を演算する演算手段、及びこの演算手段により演算された推奨速度を出力する出力手段を備えたものである。   In the vehicle-mounted device according to the present invention, the vehicle-mounted device mounted on the vehicle, the signal switching time receiving means for receiving the signal signal switching time by radio from the signal device, the position of the vehicle-mounted device and the position of the signal device are acquired by GPS. Calculation means for calculating the recommended speed of the vehicle based on the switching time of the traffic signal received by the GPS means, the signal switching time receiving means, and the position of the vehicle-mounted device and the position of the traffic light acquired by the GPS means, and this calculation means Output means for outputting the recommended speed calculated by the above.

この発明は、以上説明したように、車両に搭載された車載器であって、信号機から無線により信号機の切り替わり時限を受信する信号切替時限受信手段、車載器の位置と信号機の位置をＧＰＳにより取得するＧＰＳ手段、信号切替時限受信手段によって受信された信号機の切り替わり時限と、ＧＰＳ手段によって取得された車載器の位置及び信号機の位置とに基づき、車両の推奨速度を演算する演算手段、及びこの演算手段により演算された推奨速度を出力する出力手段を備えたので、車両の無駄な加速を防止し、信号待ちを少なくすることができる。   As described above, the present invention is a vehicle-mounted device mounted on a vehicle, which is a signal switching time receiving means for receiving a signal signal switching time by radio from a signal device, and acquires the position of the vehicle-mounted device and the signal device position by GPS. Calculating means for calculating the recommended speed of the vehicle based on the switching time of the traffic signal received by the signal switching time receiving means and the position of the vehicle-mounted device and the position of the traffic signal obtained by the GPS means, and this calculation Since the output means for outputting the recommended speed calculated by the means is provided, useless acceleration of the vehicle can be prevented and signal waiting can be reduced.

実施の形態１．
図１は、この発明の実施の形態１による信号情報提供システムを示す説明図である。
図１（ａ）は、車両からＬ１の距離にある信号機２から、赤信号への切り替わり時限Ｔ１と、青信号への切り替わり時限Ｔ２を車載器１が受信する様子を示している。図１（ｂ）は、信号機２までの推奨速度を示している。現状速度では、信号機２のところで信号が赤になるため、赤にならないような推奨速度を示す。
図１において、車載器１は、信号機２の赤信号への切り替わり時限Ｔ１、青信号への切
り替わり時限Ｔ２を信号機２から受信する。車載器１は、現状の走行速度から、信号機２のところで信号機２が赤に変わり停止しなければならないことを演算で求めると、青に切り替わるときに到着するような推奨速度を演算し、運転手に無駄な加速をしないよう、この演算した推奨速度を提示する。 Embodiment 1 FIG.
FIG. 1 is an explanatory diagram showing a signal information providing system according to Embodiment 1 of the present invention.
FIG. 1A shows a state in which the vehicle-mounted device 1 receives a switching time period T1 for switching to a red signal and a switching time period T2 for switching to a green signal from the traffic light 2 at a distance L1 from the vehicle. FIG. 1B shows the recommended speed to the traffic light 2. At the current speed, since the signal is red at the traffic light 2, a recommended speed that does not turn red is shown.
In FIG. 1, the vehicle-mounted device 1 receives from the traffic light 2 a time limit T <b> 1 for switching to a red signal of the traffic light 2 and a time limit T <b> 2 for switching to a blue light. When the vehicle-mounted device 1 calculates from the current travel speed that the traffic light 2 must turn red and stop at the traffic light 2, it calculates a recommended speed that will arrive when the traffic light turns blue, and the driver In order to avoid unnecessary acceleration, the calculated recommended speed is presented.

図２は、この発明の実施の形態１による信号情報提供システムを示す構成図である。
図２において、信号機２と、この信号機２に接近する車両の車載器１の構成を示している。信号機２は、接近する車両の車載器１に対して、赤信号への切り替わり時限Ｔ１と、青信号への切り替わり時限Ｔ２とを含む信号切替時限を送信する信号切替時限送信手段２１を有している。
車載器１は、信号切替時限送信手段２１によって送信される信号切替時限を受信する信号切替時限受信手段１１と、ＧＰＳにより自車載器１の位置及び信号機の位置を取得するＧＰＳ機能１２（ＧＰＳ手段）と、ＧＰＳ機能１２により取得された自車載器１の位置及び信号機の位置情報に基づき、自車両と信号機２までの距離Ｌ１を演算し、この距離Ｌ１と信号切替時限とから、信号機２までの車両の推奨速度を演算する演算手段１３と、演算手段１３による演算結果を基にして、音声または警告表示を行う音声・警告表示手段１４（出力手段）とにより構成されている。 FIG. 2 is a block diagram showing a signal information providing system according to Embodiment 1 of the present invention.
In FIG. 2, the structure of the signal equipment 2 and the vehicle equipment 1 of the vehicle which approaches this signal equipment 2 is shown. The traffic light 2 has a signal switching time transmission means 21 for transmitting a signal switching time period including a switching time period T1 for switching to a red signal and a switching time period T2 for switching to a blue signal to the vehicle-mounted device 1 of the approaching vehicle. .
The vehicle-mounted device 1 includes a signal switching time receiving unit 11 that receives the signal switching time transmitted by the signal switching time transmitting unit 21, and a GPS function 12 (GPS unit) that acquires the position of the vehicle-mounted device 1 and the position of the traffic signal using GPS. ) And the position of the vehicle-mounted device 1 obtained by the GPS function 12 and the position information of the traffic signal, the distance L1 between the host vehicle and the traffic signal 2 is calculated, and from the distance L1 and the signal switching time limit to the traffic signal 2 The calculation means 13 for calculating the recommended speed of the vehicle and the voice / warning display means 14 (output means) for displaying a voice or warning based on the calculation result by the calculation means 13 are configured.

次に、動作について説明する。
車載器１は、信号機２から赤信号への切り替わり時限Ｔ１、青信号への切り替わり時限Ｔ２を受信し、車両と信号機２との距離Ｌ１を演算して、現状の走行速度から、信号機２のところで信号機２が赤に変わり停止しなければならないかどうかを演算する。
車両は、Ｌ１／Ｔ１の速度に加速不可能とすると、Ｔ１後に信号機２が赤に変わるタイミングまでには信号機２に到達することができない。車載器１は、図１（ｂ）のように、現状速度で走行すると赤信号で停止すると予測し、運転手に青信号に変わるタイミングで、信号機２に到達するＬ１／Ｔ２の推奨速度で走行すれば良いことを提示する。
これにより、現状速度では、赤信号で停止が避けられない場合、青信号に変わるタイミングで信号機２に到着するような速度で走行することができ、無駄な加速が回避され、安全で省エネルギーな運転が実施される。 Next, the operation will be described.
The vehicle-mounted device 1 receives the switching time T1 from the traffic light 2 to the red traffic light and the switching time T2 from the green traffic light, calculates the distance L1 between the vehicle and the traffic light 2, and calculates the traffic light at the traffic light 2 from the current traveling speed. Calculate whether 2 should turn red and stop.
If the vehicle cannot be accelerated to the speed of L1 / T1, it cannot reach the traffic signal 2 by the timing when the traffic signal 2 turns red after T1. As shown in FIG. 1B, the vehicle-mounted device 1 is predicted to stop at a red signal when traveling at the current speed, and is driven at the recommended speed of L1 / T2 that reaches the traffic signal 2 at the timing when the driver changes to a green signal. Present what you want.
As a result, if it is unavoidable to stop at a red signal at the current speed, the vehicle can travel at a speed that arrives at the traffic light 2 at the timing when it changes to a green signal, avoiding unnecessary acceleration, and safe and energy-saving operation. To be implemented.

実施の形態１によれば、信号機の青信号への切替タイミングに合わせた走行を行うことができ、無駄な加速が回避され、安全で省エネルギーな運転が実施される。   According to the first embodiment, it is possible to perform traveling in accordance with the switching timing of the traffic light to a green signal, avoid unnecessary acceleration, and perform safe and energy-saving operation.

なお、上述では、車載器は、信号の切り替わり時限を信号機から取得するものとしたが、信号の切り替わり時限を、各信号機を管理するセンターから取得するようにしてもよい。   In the above description, the vehicle-mounted device acquires the signal switching time period from the traffic signal. However, the on-vehicle device may acquire the signal switching time period from the center that manages each traffic signal.

実施の形態２．
図３は、この発明の実施の形態２による信号情報提供システムを示す説明図である。
図３（ａ）は、車両からＬ１の距離にある信号機２ａ、Ｌ２の距離にある信号機２ｂ、Ｌ３の距離にある信号機２ｃから、それぞれ赤信号への切り替わり時限Ｔ１１、Ｔ１２、Ｔ１３と、青信号への切り替わり時限Ｔ２１、Ｔ２２、Ｔ２３を車載器１が受信する様子を示している。図３（ｂ）は、各信号機２ａ〜２ｃまでの推奨速度を示している。現状速度では、信号が赤になるため、赤にならないような推奨速度を示す。
図３において、車載器１は、車両の進行方向に配置された複数の信号機２ａ、２ｂ、２ｃから、それぞれ赤信号への切り替わり時限Ｔ１１、Ｔ１２、Ｔ１３と、青信号への切り替わり時限Ｔ２１、Ｔ２２、Ｔ２３を受信する。車載器１は、信号機２ａ〜２ｃの赤表示にて停止することが最も少ない走行パターン（目的地までのどの区間をどの推奨速度で走行するかを定めたもの）を演算で求め、運転手に推奨速度を提示する。 Embodiment 2. FIG.
FIG. 3 is an explanatory diagram showing a signal information providing system according to Embodiment 2 of the present invention.
FIG. 3 (a) shows the traffic lights 2a at a distance L1 from the vehicle, the traffic lights 2b at a distance L2, and the traffic lights 2c at a distance L3 to red signals, respectively. This shows how the vehicle-mounted device 1 receives the switching times T21, T22, and T23. FIG.3 (b) has shown the recommended speed to each signal apparatus 2a-2c. At the current speed, since the signal is red, a recommended speed that does not turn red is shown.
In FIG. 3, the vehicle-mounted device 1 includes a plurality of traffic lights 2a, 2b, and 2c arranged in the traveling direction of the vehicle, respectively, switching times T11, T12, and T13 to red signals and switching times T21, T22, T23 is received. The vehicle-mounted device 1 calculates the travel pattern (which determines which section to the destination is to be traveled at which recommended speed) with the least number of stops when the traffic lights 2a to 2c are displayed in red, and asks the driver. Suggest recommended speed.

実施の形態２は、車両の進行方向に配置された複数の信号機２ａ、２ｂ、２ｃから、それぞれ赤信号への切り替わり時限Ｔ１１、Ｔ１２、Ｔ１３と、青信号への切り替わり時限Ｔ２１、Ｔ２２、Ｔ２３を受信する。
車載器１は、この信号の切り替わり時限を元にして、図３（ｂ）のように、信号機２ａ〜２ｃの赤表示にて停止することが最も少ない走行パターンを演算で求め、運転手に推奨速度として提示する。この推奨速度は、信号機間（または任意の区間）で異なる速度であってもよい。
これにより、運転手は省エネルギーな運転を実施することができる。 In the second embodiment, red traffic light switching times T11, T12, T13 and green light switching times T21, T22, T23 are received from a plurality of traffic lights 2a, 2b, 2c arranged in the traveling direction of the vehicle, respectively. To do.
Based on this signal switching time, the vehicle-mounted device 1 calculates the driving pattern that is least likely to stop when the traffic lights 2a to 2c are displayed in red as shown in FIG. 3B, and is recommended to the driver. Present as speed. This recommended speed may be a speed that differs between traffic lights (or any section).
As a result, the driver can perform energy-saving driving.

実施の形態２によれば、進行方向にある複数の信号機の信号切り替わり時限を取得し、これを基にして、赤信号で停止することが最も少ない走行パターンを演算し、運転手に推奨速度を提示するので、運転手は省エネルギーな運転を実施することができる。 According to the second embodiment, the signal switching time period of a plurality of traffic lights in the traveling direction is obtained, and based on this, the travel pattern that is least likely to stop at a red signal is calculated, and the recommended speed is given to the driver. Since it is presented, the driver can perform energy-saving driving.

実施の形態３．
図４は、この発明の実施の形態３による信号情報提供システムを示す説明図である。
図４において、右折操作を検知した車載器１は、信号機２から右折可消灯時限Ｔ３を受信する。 Embodiment 3 FIG.
FIG. 4 is an explanatory diagram showing a signal information providing system according to Embodiment 3 of the present invention.
In FIG. 4, the vehicle-mounted device 1 that has detected the right turn operation receives the right turn ON / OFF time limit T <b> 3 from the traffic light 2.

実施の形態３は、信号機２の右折可消灯時限Ｔ３内に、車両の右折が可能かどうかを判断するものである。
車両の右折操作を検知した車載器１は、信号機２から右折可消灯時限Ｔ３を受信する。そして、この受信した右折可消灯時限Ｔ３に基づき、演算手段１３により、車両の右折が可能かどうかの計算を行い、右折可消灯時限Ｔ３内での右折が間に合わない場合は、無駄な加速をしないよう運転手に提示する。
これにより、運転手は、安全で省エネルギーな運転を実施できる。 In the third embodiment, it is determined whether or not a right turn of the vehicle is possible within the right turn ON / OFF time limit T3 of the traffic light 2.
The vehicle-mounted device 1 that has detected the right turn operation of the vehicle receives the right turn ON / OFF time limit T3 from the traffic light 2. Then, based on the received right turn turn-off time T3, the calculation means 13 calculates whether the vehicle can turn right. If the right turn within the right turn turn-off time T3 is not in time, no unnecessary acceleration is performed. Present to the driver.
As a result, the driver can perform safe and energy-saving driving.

実施の形態３によれば、右折しょうとする車両の車載器は、信号機から右折可消灯時限Ｔ３を取得し、この時限内に右折できるかどうかを演算し、右折が間に合わない場合には、運転手に提示するので、運転手は、安全で省エネルギーな運転を実施できる。 According to the third embodiment, the vehicle-mounted device of the vehicle to turn right obtains the right turn on / off time period T3 from the traffic light, calculates whether the right turn can be made within this time period, and if the right turn is not in time, Because it is presented to the hand, the driver can perform safe and energy-saving driving.

実施の形態４．
図５は、この発明の実施の形態４による信号情報提供システムを示す説明図である。
図５において、右折操作を検知した車載器１ａ〜１ｃは、信号機２に右折車両であることを通知する右折情報４ａ〜４ｃを送信する。 Embodiment 4 FIG.
FIG. 5 is an explanatory diagram showing a signal information providing system according to Embodiment 4 of the present invention.
In FIG. 5, the vehicle-mounted devices 1 a to 1 c that detect the right turn operation transmit the right turn information 4 a to 4 c that notifies the traffic light 2 that the vehicle is a right turn vehicle.

図６は、この発明の実施の形態４による信号情報提供システムを示す構成図である。
図６において、１、２、１１〜１４、２１は図２におけるものと同一のものである。図６では、車載器１に、信号機２への右折通知を行う右折通知手段１５を設け、信号機２に、右折通知を受信して、右折車両の数を認識する右折車両認識手段２２と、この右折車両認識手段２２により認識された右折車両の数に応じて、右折可消灯時限を演算する右折可時限演算手段２３とを設けている。
なお、右折可時限演算手段２３の出力は、信号切替時限送信手段２１に入力される。 FIG. 6 is a block diagram showing a signal information providing system according to Embodiment 4 of the present invention.
6, 1, 2, 11, 14 and 21 are the same as those in FIG. In FIG. 6, the vehicle-mounted device 1 is provided with a right turn notification means 15 for notifying the traffic light 2 of a right turn, and the traffic light 2 receives a right turn notification and recognizes the number of right-turn vehicles, A right turn allowable time calculating means 23 for calculating a right turn ON / OFF time according to the number of right turn vehicles recognized by the right turn vehicle recognition means 22 is provided.
The output of the right turnable time calculation means 23 is input to the signal switching time limit transmission means 21.

実施の形態４では、右折操作を検知した車載器１ａ〜１ｃは、それぞれ、信号機２に右折車両であることを通知する右折情報４ａ〜４ｃを、右折通知手段１５により送信する。信号機２では、これを右折車両認識手段２２で受信し、右折車両の数を認識し、次いで、右折可時限演算手段２３により、右折車両の数が少ない場合は、信号機２に表示する右折可消灯時限を減少させ、右折車両の数が多いときには、右折可消灯時限を延長する。
これにより、他方向道路の通行を早期に可能とすることで、不必要な車両の停止を減少させ、省エネルギーな交通管制を行うことができる。 In the fourth embodiment, the vehicle-mounted devices 1a to 1c that have detected the right turn operation transmit the right turn information 4a to 4c for notifying the traffic light 2 that the vehicle is a right turn vehicle by the right turn notifying unit 15, respectively. In the traffic light 2, this is received by the right turn vehicle recognition means 22, the number of right turn vehicles is recognized, and then when the right turn possible time calculation means 23 has a small number of right turn vehicles, a right turn display is displayed on the traffic light 2. When the time limit is decreased and the number of right-turn vehicles is large, the right turn on / off time is extended.
Thereby, by allowing traffic on the other direction road at an early stage, unnecessary vehicle stops can be reduced and energy-saving traffic control can be performed.

実施の形態４によれば、右折車両の数に応じて、信号機に表示する右折可消灯時限を増減するので、不必要な車両の停止を減少させ、省エネルギーな交通管制を行うことができる。   According to the fourth embodiment, the right turn on / off time displayed on the traffic light is increased / decreased according to the number of right turn vehicles, so that unnecessary vehicle stops can be reduced and energy-saving traffic control can be performed.

実施の形態５．
図７は、この発明の実施の形態５による信号情報提供システムを示す説明図である。
図７において、複数の信号機２ａ〜２ｃは、それぞれ、複数の車載器１ａ〜１ｃから、各車載器の走行パターン情報５ａ〜５ｃと目的地を読取る。 Embodiment 5 FIG.
FIG. 7 is an explanatory diagram showing a signal information providing system according to Embodiment 5 of the present invention.
In FIG. 7, the plurality of traffic lights 2a to 2c read the traveling pattern information 5a to 5c and the destinations of the on-vehicle devices from the plurality of on-vehicle devices 1a to 1c, respectively.

図８は、この発明の実施の形態５による信号情報提供システムを示す構成図である。
図８において、１、２、１１〜１４、２１は図２におけるものと同一のものである。図８では、車載器１に、自車両の演算手段１３で、実施の形態２のようにして演算した走行パターン情報を送信する走行パターン送信手段１６を設け、信号機２に、車載器１から送信される走行パターン情報を受信する走行パターン受信手段２４と、走行パターン受信手段２４によって受信された走行パターン情報から、各信号機の信号切替時限を演算する信号時限演算手段２５とを設けている。
なお、信号時限演算手段２５の出力は、信号切替時限送信手段２１に入力される。 FIG. 8 is a block diagram showing a signal information providing system according to Embodiment 5 of the present invention.
In FIG. 8, 1, 2, 11-14, and 21 are the same as those in FIG. In FIG. 8, the in-vehicle device 1 is provided with a traveling pattern transmission unit 16 that transmits the traveling pattern information calculated as in Embodiment 2 by the computing unit 13 of the own vehicle, and is transmitted from the in-vehicle device 1 to the traffic light 2. Travel pattern receiving means 24 for receiving the travel pattern information, and signal time limit calculating means 25 for calculating the signal switching time of each traffic light from the travel pattern information received by the travel pattern receiving means 24.
The output of the signal time limit calculation means 25 is input to the signal switching time limit transmission means 21.

実施の形態５は、複数の車載器１ａ〜１ｃから、それぞれ演算手段１３で演算された各車両の走行パターン情報を各信号機２ａ〜２ｃが受信し、各信号機２ａ〜２ｃは、それぞれ信号時限演算手段２５により、総合的に最適になるように信号切替時限を演算するようにした。
このとき、各信号機２ａ〜２ｃは、並列に演算し、互いに整合性をとるようにする。すなわち、信号機間の演算ルールを予め決めておく。
なお、各信号機２ａ〜２ｃが並列に演算する代わりに、一箇所で集中処理を行って各信号機の演算処理を行ってもよい。この場合には信号機間の演算ルールは必要ない。
この演算結果を基にして、信号機を制御することにより、統計的に信号待ちを少なくし、省エネルギーな車両の運転が実施される。 In the fifth embodiment, each of the traffic lights 2a to 2c receives the traveling pattern information of each vehicle calculated by the calculation means 13 from the plurality of vehicle-mounted devices 1a to 1c, and each of the traffic lights 2a to 2c calculates a signal time limit. By means 25, the signal switching time limit is calculated so as to be optimal in a comprehensive manner.
At this time, each of the traffic lights 2a to 2c operates in parallel so as to be consistent with each other. That is, a calculation rule between traffic lights is determined in advance.
In addition, instead of each signal apparatus 2a-2c calculating in parallel, you may perform the centralized process in one place and perform the calculation process of each signal apparatus. In this case, the calculation rule between traffic lights is not necessary.
By controlling the traffic light based on the calculation result, the waiting time for the signal is statistically reduced, and the energy-saving driving of the vehicle is performed.

実施の形態５によれば、信号機で、各車両の走行パターン情報を取得し、これに基づき、総合的に各信号機の信号切替時限を演算するので、統計的に信号待ちを少なくし、省エネルギーな車両の運転を実施できる。   According to the fifth embodiment, the traffic pattern information of each vehicle is acquired by the traffic light, and based on this, the signal switching time period of each traffic light is comprehensively calculated. The vehicle can be driven.

この発明の実施の形態１による信号情報提供システムを示す説明図である。It is explanatory drawing which shows the signal information provision system by Embodiment 1 of this invention. この発明の実施の形態１による信号情報提供システムを示す構成図である。It is a block diagram which shows the signal information provision system by Embodiment 1 of this invention. この発明の実施の形態２による信号情報提供システムを示す説明図である。It is explanatory drawing which shows the signal information provision system by Embodiment 2 of this invention. この発明の実施の形態３による信号情報提供システムを示す説明図である。It is explanatory drawing which shows the signal information provision system by Embodiment 3 of this invention. この発明の実施の形態４による信号情報提供システムを示す説明図である。It is explanatory drawing which shows the signal information provision system by Embodiment 4 of this invention. この発明の実施の形態４による信号情報提供システムを示す構成図である。It is a block diagram which shows the signal information provision system by Embodiment 4 of this invention. この発明の実施の形態５による信号情報提供システムを示す説明図である。It is explanatory drawing which shows the signal information provision system by Embodiment 5 of this invention. この発明の実施の形態５による信号情報提供システムを示す構成図である。It is a block diagram which shows the signal information provision system by Embodiment 5 of this invention.

符号の説明Explanation of symbols

１ 車載器
２ 信号機
４ 右折情報
５ 走行パターン情報
１１ 信号切替時限受信手段
１２ ＧＰＳ機能
１３ 演算手段
１４ 音声・警告表示手段
１５ 右折通知手段
１６ 走行パターン送信手段
２１ 信号切替時限送信手段
２２ 右折車両認識手段
２３ 右折可時限演算手段
２４ 走行パターン受信手段
２５ 信号時限演算手段
Ｌ１、Ｌ２、Ｌ３ 信号機までの距離
Ｔ１、Ｔ１１〜Ｔ２３ 赤信号への切り替わり時限
Ｔ２、Ｔ２１〜Ｔ２３ 青信号への切り替わり時限
Ｔ３ 右折可消灯時限 DESCRIPTION OF SYMBOLS 1 Onboard equipment 2 Traffic light 4 Right turn information 5 Travel pattern information 11 Signal switching time limit reception means 12 GPS function 13 Calculation means 14 Voice / warning display means 15 Right turn notification means 16 Travel pattern transmission means 21 Signal switching time limit transmission means 22 Right turn vehicle recognition means 23 Right turn time calculation means 24 Travel pattern reception means 25 Signal time calculation means L1, L2, L3 Distance to traffic light T1, T11 to T23 Time change to red signal T2, T21 to T23 Time change to green light T3 Right turn on / off Time limit

Claims (5)

車両に搭載された車載器であって、信号機から無線により上記信号機の切り替わり時限を受信する信号切替時限受信手段、上記車載器の位置と上記信号機の位置をＧＰＳにより取得するＧＰＳ手段、上記信号切替時限受信手段によって受信された上記信号機の切り替わり時限と、上記ＧＰＳ手段によって取得された上記車載器の位置及び上記信号機の位置とに基づき、上記車両の推奨速度を演算する演算手段、及びこの演算手段により演算された上記推奨速度を出力する出力手段を備えたことを特徴とする車載器。   A vehicle-mounted device mounted on a vehicle, wherein a signal switching time receiving unit that wirelessly receives a switching time of the signal device from a signal device, a GPS unit that acquires a position of the vehicle device and a position of the signal device by GPS, and the signal switching device Calculation means for calculating the recommended speed of the vehicle based on the switching time of the traffic signal received by the time limit reception means and the position of the vehicle-mounted device and the position of the traffic signal acquired by the GPS means, and the calculation means An on-vehicle device comprising output means for outputting the recommended speed calculated by the above. 上記信号切替時限受信手段は、上記車両の進行方向にある複数の信号機の切り替わり時限を受信し、上記ＧＰＳ手段は、上記複数の信号機の位置を取得し、上記演算手段は、上記複数の信号機の切り替わり時限と、上記複数の信号機の位置を用いて、上記複数の信号機の最遠の信号機に上記車両が到達するまでの推奨速度である走行パターンを演算することを特徴とする請求項１記載の車載器。   The signal switching time receiving means receives the switching time of a plurality of traffic lights in the traveling direction of the vehicle, the GPS means acquires the positions of the plurality of traffic lights, and the calculation means is a signal of the plurality of traffic lights. The travel pattern which is a recommended speed until the vehicle reaches the farthest traffic light of the plurality of traffic lights is calculated using the switching time period and the positions of the traffic lights. Onboard equipment. 上記信号切替時限受信手段は、上記信号機から上記信号機の右折可消灯時限を受信し、上記演算手段は、上記受信した右折可消灯時限を用いて、上記車両が右折可能かどうかを演算することを特徴とする請求項１または請求項２記載の車載器。   The signal switching time receiving means receives the right turn on / off time of the traffic light from the traffic light, and the computing means calculates whether the vehicle can turn right using the received right turn on / off time. The on-vehicle device according to claim 1 or claim 2, wherein 請求項１〜請求項３のいずれかに記載の車載器、及び無線により、上記信号機の切り替わり時限を上記車載器に送信する信号切替時限送信手段を有する信号機を備え、
上記車載器は、上記信号機に右折通知を行う右折通知手段を有し、
上記信号機は、上記車載器からの右折通知を受信し、これに基づき右折車両数を認識する右折車両認識手段と、この右折車両認識手段により認識された右折車両数に応じるように、右折可消灯時限の増減を演算する右折可時限演算手段を有することを特徴とする信号情報提供システム。 The vehicle-mounted device according to any one of claims 1 to 3, and a signal device having a signal switching time-transmitting means for transmitting the switching time of the signal device to the vehicle-mounted device wirelessly,
The vehicle-mounted device has a right turn notification means for performing a right turn notification to the traffic light,
The traffic light receives a right turn notification from the vehicle-mounted device, and based on this, a right turn vehicle recognizing means for recognizing the number of right turn vehicles, and a right turn turn on / off according to the number of right turn vehicles recognized by the right turn vehicle recognizing means. A signal information providing system comprising right-turnable time calculation means for calculating increase / decrease of time limit. 複数の請求項２記載の車載器、及び無線により、上記信号機の切り替わり時限を上記車載器に送信する信号切替時限送信手段を有する信号機を備え、
上記車載器は、上記信号機に上記走行パターン情報を送信する走行パターン送信手段を有し、
上記信号機は、複数の上記車載器により送信された上記走行パターン情報を受信する走行パターン受信手段と、この走行パターン受信手段により受信された上記複数の走行パターン情報に応じて、上記信号機の切り替わり時限を演算する信号時限演算手段を有することを特徴とする信号情報提供システム。 A plurality of in-vehicle devices according to claim 2, and a signal device having a signal switching time transmission means for wirelessly transmitting the signal signal switching time period to the on-vehicle device,
The vehicle-mounted device has travel pattern transmission means for transmitting the travel pattern information to the traffic light,
The traffic signal includes travel pattern receiving means for receiving the travel pattern information transmitted by the plurality of on-vehicle devices, and a switching time limit for the traffic light according to the plurality of travel pattern information received by the travel pattern receiving means. A signal information providing system comprising a signal time period calculation means for calculating
JP2007168995A 2007-06-27 2007-06-27 OBE Expired - Fee Related JP4825173B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007168995A JP4825173B2 (en) 2007-06-27 2007-06-27 OBE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007168995A JP4825173B2 (en) 2007-06-27 2007-06-27 OBE

Publications (2)

Publication Number Publication Date
JP2009009288A true JP2009009288A (en) 2009-01-15
JP4825173B2 JP4825173B2 (en) 2011-11-30

Family

ID=40324325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007168995A Expired - Fee Related JP4825173B2 (en) 2007-06-27 2007-06-27 OBE

Country Status (1)

Country Link
JP (1) JP4825173B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129230A (en) * 2007-11-26 2009-06-11 Toyota Motor Corp Vehicle driving support apparatus
JP2010191518A (en) * 2009-02-16 2010-09-02 Toyota Motor Corp Driving support device
JP2010247703A (en) * 2009-04-16 2010-11-04 Toyota Motor Corp Vehicle speed control device
JP2011150598A (en) * 2010-01-22 2011-08-04 Toyota Motor Corp Driving support apparatus
JP2012113610A (en) * 2010-11-26 2012-06-14 Denso Corp Recommended reference speed calculation device
JP2012133624A (en) * 2010-12-22 2012-07-12 Nissan Motor Co Ltd Recommendation speed providing apparatus
WO2013027112A2 (en) 2011-08-24 2013-02-28 Toyota Jidosha Kabushiki Kaisha Driving support device and driving support method
JP2015514261A (en) * 2012-03-30 2015-05-18 エヌイーシー ヨーロッパ リミテッドＮｅｃ Ｅｕｒｏｐｅ Ｌｔｄ． Method and system for adapting vehicle traffic flow
JP2019075054A (en) * 2017-10-19 2019-05-16 トヨタ自動車株式会社 Traffic light information providing system, traffic light information providing method, and server used therefor
WO2023144938A1 (en) * 2022-01-26 2023-08-03 三菱電機株式会社 Action planning device and action planning method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104900071A (en) * 2015-06-05 2015-09-09 南京林业大学 Traffic light control system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08329384A (en) * 1995-05-29 1996-12-13 Aqueous Res:Kk Vehicle travel support device
JP2000259984A (en) * 1999-03-08 2000-09-22 Toshiro Morita System and method for controlling signal
JP2001028097A (en) * 1999-07-14 2001-01-30 Matsushita Electric Ind Co Ltd Traffic control and surveillance system and signal control method
JP2003039975A (en) * 2001-07-26 2003-02-13 Nissan Motor Co Ltd Vehicle driving control device interlocking with signal
JP2003151074A (en) * 2001-11-13 2003-05-23 Mitsubishi Corp Signal navigation system
JP2004013199A (en) * 2002-06-03 2004-01-15 Denso Corp Traffic control method, control center and on-board communication device
JP2004199123A (en) * 2002-12-16 2004-07-15 Hitachi Kokusai Electric Inc Automatic time adjustment system of signal
JP2005174059A (en) * 2003-12-12 2005-06-30 Matsushita Electric Ind Co Ltd Navigation information providing system
JP2005216086A (en) * 2004-01-30 2005-08-11 Nissan Motor Co Ltd Driving support device
JP2005274499A (en) * 2004-03-26 2005-10-06 Mitsubishi Electric Corp In-vehicle device and speed calculating method
JP2006285732A (en) * 2005-04-01 2006-10-19 Xanavi Informatics Corp On-vehicle terminal equipment

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08329384A (en) * 1995-05-29 1996-12-13 Aqueous Res:Kk Vehicle travel support device
JP2000259984A (en) * 1999-03-08 2000-09-22 Toshiro Morita System and method for controlling signal
JP2001028097A (en) * 1999-07-14 2001-01-30 Matsushita Electric Ind Co Ltd Traffic control and surveillance system and signal control method
JP2003039975A (en) * 2001-07-26 2003-02-13 Nissan Motor Co Ltd Vehicle driving control device interlocking with signal
JP2003151074A (en) * 2001-11-13 2003-05-23 Mitsubishi Corp Signal navigation system
JP2004013199A (en) * 2002-06-03 2004-01-15 Denso Corp Traffic control method, control center and on-board communication device
JP2004199123A (en) * 2002-12-16 2004-07-15 Hitachi Kokusai Electric Inc Automatic time adjustment system of signal
JP2005174059A (en) * 2003-12-12 2005-06-30 Matsushita Electric Ind Co Ltd Navigation information providing system
JP2005216086A (en) * 2004-01-30 2005-08-11 Nissan Motor Co Ltd Driving support device
JP2005274499A (en) * 2004-03-26 2005-10-06 Mitsubishi Electric Corp In-vehicle device and speed calculating method
JP2006285732A (en) * 2005-04-01 2006-10-19 Xanavi Informatics Corp On-vehicle terminal equipment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129230A (en) * 2007-11-26 2009-06-11 Toyota Motor Corp Vehicle driving support apparatus
JP2010191518A (en) * 2009-02-16 2010-09-02 Toyota Motor Corp Driving support device
JP2010247703A (en) * 2009-04-16 2010-11-04 Toyota Motor Corp Vehicle speed control device
JP2011150598A (en) * 2010-01-22 2011-08-04 Toyota Motor Corp Driving support apparatus
JP2012113610A (en) * 2010-11-26 2012-06-14 Denso Corp Recommended reference speed calculation device
JP2012133624A (en) * 2010-12-22 2012-07-12 Nissan Motor Co Ltd Recommendation speed providing apparatus
WO2013027112A2 (en) 2011-08-24 2013-02-28 Toyota Jidosha Kabushiki Kaisha Driving support device and driving support method
JP2015514261A (en) * 2012-03-30 2015-05-18 エヌイーシー ヨーロッパ リミテッドＮｅｃ Ｅｕｒｏｐｅ Ｌｔｄ． Method and system for adapting vehicle traffic flow
JP2019075054A (en) * 2017-10-19 2019-05-16 トヨタ自動車株式会社 Traffic light information providing system, traffic light information providing method, and server used therefor
WO2023144938A1 (en) * 2022-01-26 2023-08-03 三菱電機株式会社 Action planning device and action planning method

Also Published As

Publication number Publication date
JP4825173B2 (en) 2011-11-30

Similar Documents

Publication Publication Date Title
JP4825173B2 (en) OBE
US9824583B2 (en) Vehicle-to-vehicle and traffic signal-to-vehicle traffic control system
US8219310B2 (en) GPS device for displaying traffic conditions and method thereof
JP2016002892A (en) Travelling controller of vehicle
JP2017013605A (en) On-vehicle system
JP2007164328A (en) Vehicle run support system
US20150199904A1 (en) System and method for controlling vehicle at intersection
JP2016222143A (en) Automatic drive control device
JP2017097495A (en) Information processor and in-vehicle system
US20200265250A1 (en) Driving support system and server device
JP2016110413A (en) Traffic control system
JP2008097251A (en) Congestion prediction apparatus, and driving support apparatus and support system
JP5408071B2 (en) Driver assistance device
JP2008282307A (en) Roadside-vehicle communication system, onboard machine, vehicle, and traffic signal controller
JP2011221854A (en) Signal light color controller
JP2012203785A (en) Mobile communication device and traveling support method
JP5318711B2 (en) Peripheral vehicle information providing device
JP2013186684A (en) Traffic light system and signal information reception terminal
JP2006193095A (en) System and device for supporting travelling
JP2011186907A (en) Vehicle group formation determination device and vehicle group formation determination system
JP2011164978A (en) Vehicle control device and vehicle group control system
JP5723559B2 (en) Mobile communication device
JP2008171201A (en) Warning system, on-board device, transmitting device and warning method
JP2010211712A (en) Vehicle controller and vehicle control system
JP2015114931A (en) Vehicle warning device, server device and vehicle warning system

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101124

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101125

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110117

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110823

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110909

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140916

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees