KR20130115040A - Traffic light control system and control method thereof - Google Patents

Abstract

PURPOSE: A traffic light controlling system and a controlling method thereof capable of actively turning on a traffic light are provided to control a traffic light by confirming accurate position information as well as authentication information about a pedestrian. CONSTITUTION: A portable transceiver (200) is comprised to be portable for a pedestrian and transmits pedestrian authentication information. Multiple fixed type transceivers (100) transmit the pedestrian authentication information which is received from the portable transceiver and its own position information to the outside. A control unit confirms the current position of the pedestrian through the pedestrian authentication information and the position information which are received from the fixed type transceiver and controls a lighting state according to the confirmed current position of the pedestrian. A traffic light (300) is controlled according to the command of the control unit. [Reference numerals] (100) Fixed type transceiver; (200) Portable transceiver; (300) Traffic lights

Description

TRAFFIC LIGHT CONTROL SYSTEM AND CONTROL METHOD THEREOF}

The present invention relates to a traffic light control system and a control method for actively turning on a traffic light, and more particularly, even if a disabled person or an elderly person does not operate a portable transceiver or a traffic light, authentication information for a pedestrian, as well as accurate location information. The present invention relates to a traffic light control system and a control method for actively turning on a traffic light that can provide a convenience and safety by controlling a traffic light.

The conventional traffic light control method controls the traffic light to sequentially display a traffic enable signal (green light) and a traffic non-pass signal (red light) for a predetermined time. For example, when a driver traffic light displays a passable signal on a bidirectional road, the pedestrian traffic light displays a non-walking signal, and when the driver traffic light displays a no traffic signal, the pedestrian traffic light displays a walking signal. Since the conventional traffic light control method controls the traffic light to display a non-passable signal or a traffic capable signal according to a predetermined time, the traffic lights for crossings are also statistically applied to the green light turn-on time (walking time). In the case of a person with a disability to move or a hearing or hearing impaired crossing a crossing, there was a problem of not crossing completely within a predetermined time.

On the other hand, in order to solve this problem, the Republic of Korea Patent Publication No. 10-2007-0009006 (published: 2007.01.18) in the input means for setting the crossing mode for the disabled, non-passable / possible messages from the traffic light control device and the distance measurement signal And a communication means for transmitting a response signal corresponding to the distance measurement signal, an output means for outputting a message, and a traffic light control function for requesting, outputting, and controlling a crossing mode according to a request for a disabled crossing mode from a user. A wireless communication terminal having a is disclosed.

However, the disclosed patent may control the traffic light only after the disabled person who is a pedestrian enters a predetermined range of the crosswalk, and sets the disabled crossing mode by the input means of the terminal. Therefore, there is an inconvenience in using a terminal that needs to be operated like a voice signal voice guide button installed in a traffic light in order to receive a conventional traffic light guide. In addition, since only the distance between the terminal and the traffic light control device is measured, the exact location or movement path of the pedestrian cannot be confirmed. Therefore, there is a problem that pedestrians can not properly cope with the situation, such as crossing the crosswalk completely, crossing the range beyond the crossing sign.

Therefore, the present invention is to solve the above problems, an object of the present invention is to check the pedestrian authentication information of the disabled, senior citizens, pregnant women, etc. through the communication between the portable transceiver and the fixed transceiver and traffic lights, The present invention provides a traffic light control system and a control method of actively lighting a traffic light that can safely use a crosswalk by controlling a traffic light by accurately identifying a position of a pedestrian.

In order to achieve the above object and a traffic light control system for actively turning on the traffic light according to the present invention is configured to be portable for pedestrians, portable transceiver for transmitting pedestrian authentication information, installed in the vicinity of the railroad communication with the portable transceiver A plurality of fixed transceivers for transmitting the pedestrian authentication information and their location information to the outside and the pedestrian authentication information and the location information received from the fixed transceiver to check the current position of the pedestrian. And a control unit controlling a lighting state according to the identified current position of the pedestrian and a signal lamp controlled according to a command of the control unit.

The fixed transceiver includes at least two antennas so as to determine the position and the direction of movement of the portable transceiver, the antenna transmits a signal to the portable transceiver in a broadcast manner, and the predetermined direction It is a directional antenna that transmits a signal.

The directional antenna comprises a first directional antenna directed in the direction of the crossing, and a second directional antenna directed in the direction of delivery, and the traffic light is the first directional antenna when the portable transceiver enters the crossing in India It includes a control unit to increase the strength of the signal so that the signal reaches the center line area of the road.

The portable transceiver includes a communication unit for transmitting and receiving a signal to and from the fixed transceiver, and when the communication unit receives a signal from the fixed transceiver, instructs the pedestrian authentication information to be transmitted to the fixed transceiver, and the light is turned on. And a control unit for instructing the pedestrian to guide the lighting state when receiving the information, and an output unit for stimulating the visual, tactile, or hearing information to the pedestrian according to the command of the controller.

The traffic light includes a lighting unit consisting of red and green lights, a communication unit for transmitting and receiving a signal to and from the fixed transceiver, and confirming pedestrian authentication information and location information received from the communication unit, and lighting the lighting unit according to the confirmed position. It includes a control unit for adjusting the state, wherein the control unit is to control the lighting unit to switch to the walking signal faster than the previously set interval when the portable transceiver enters the signal area of the fixed transceiver.

The control unit of the traffic light is the lighting unit so that the walking signal is maintained until the portable transceiver enters the crossing and leaves the signal area of the fixed transceiver installed in one side until entering the signal area of the fixed transceiver installed in the other side. The lighting unit is controlled so that the flashing signal is maintained from entering the signal area of the fixed transceiver installed in the other side to the other side.

The wearable mobile terminal further includes a chip of a radio frequency identification (RFID) type.

In addition, the traffic light control method using the traffic light control system according to the present invention, when the pedestrian enters into the signal area capable of receiving the signal of the fixed transceiver, the portable transceiver receives the signal of the fixed transceiver and pedestrian authentication A first step of transmitting information to the fixed transceiver, a second step of confirming the pedestrian authentication information and the current position transmitted by the portable transceiver, and a lighting state of an appropriate signal lamp according to the confirmed pedestrian state and current position. And a third step of transmitting the information on the lighting state to the portable terminal.

The traffic light includes a lighting unit composed of red and green lights, a communication unit for transmitting and receiving a signal to and from the fixed transceiver, and confirming the position of the pedestrian based on the pedestrian authentication information and location information received from the communication unit, And a controller for controlling a lighting state of the lighting unit, wherein the controller controls the lighting unit to switch to a walking signal faster than a previously set interval when the portable transceiver enters the signal region of the fixed transceiver. .

The control unit of the traffic light is the lighting unit so that the walking signal is maintained until the portable transceiver enters the crossing and leaves the signal area of the fixed transceiver installed in one side until entering the signal area of the fixed transceiver installed in the other side. And controlling the lighting unit to maintain the flashing signal from entering the signal region of the fixed transceiver installed in the other side to the other side.

As described above, the traffic light control system and control method for actively turning on the traffic light of the present invention confirms the accurate location information as well as the authentication information of the pedestrian even if the disabled and the elderly do not operate the portable transceiver or the traffic light. By controlling the traffic light there is an effect that can provide convenience and safety.

1 is a block diagram illustrating one embodiment of a traffic light control system for actively turning on a traffic light of the present invention.
Fig. 2 is a diagram showing the configuration of a traffic light control system for actively turning on a traffic light of the present invention.
3 is a conceptual diagram showing the configuration of a traffic light control system for actively turning on a traffic light of the present invention.
4 is a perspective view showing a fixed transceiver of the present invention.
5 is a block diagram showing the configuration of a fixed transceiver of the present invention.
6 is a perspective view showing a portable transceiver of the present invention.
7 is a block diagram showing the configuration of a portable transceiver of the present invention.
8 is a block diagram showing the configuration of a traffic light of the present invention.
9 is a diagram showing a signal flow of the traffic light control method of the present invention.
10 is a flowchart illustrating one embodiment of a traffic light control method of the present invention.
11 is a flowchart showing another embodiment of the traffic light control method of the present invention.
12 is a conceptual diagram illustrating a traffic light control method of the present invention.
Fig. 13 is a block diagram showing another configuration of the traffic light of the present invention.
14 is a conceptual diagram illustrating another embodiment of a traffic light control system for actively turning on a traffic light of the present invention.
15 is a diagram showing another signal flow of the traffic light control method of the present invention.

Hereinafter, a traffic light control system for actively turning on a traffic light of the present invention with reference to the drawings. However, in the above description of the present invention, the same or similar components are given the same or similar reference numerals, and detailed descriptions of overlapping contents will be omitted.

1 and 2, a traffic light control system for actively turning on a traffic light of the present invention includes a fixed transceiver 100, a portable transceiver 200, and a traffic light 300 for controlling a lighting state. Specifically, the pedestrian is configured to be worn, the portable transceiver 200 for transmitting pedestrian authentication information, and installed in the sidewalk adjacent to the crossing, the pedestrian authentication information and location received from the portable transceiver 200 A plurality of fixed transceiver 100 for transmitting the information to the outside, and the current position of the portable transceiver 200 through the pedestrian authentication information and location information received from the formal transceiver 100, and confirms the It includes a traffic light 300 for controlling the lighting state according to the current position of the pedestrian.

3 to 5, the fixed transceiver 100 of the present invention has a body 110 is installed in the sidewalk adjacent to the crossing. The body 110, as well as traffic lights, bollards, power distribution box (installation facilities installed on the side of the road in Korea Electric Power Corporation), street lights or street trees may be mounted fixed to the existing installations in India, and separate from the facility It may be manufactured and installed as. However, in the accompanying drawings, it is shown as an embodiment using a bollard as the body of the fixed transceiver.

The body 110 is provided with a communication unit 120, a power supply unit 140 and a control unit 130 for transmitting a signal for checking the position of the pedestrian.

The communication unit 120 includes a transmitter 121 for transmitting a signal to the portable transceiver 200, and a transceiver 126 for transmitting and receiving a signal to and from the portable transceiver 200 or the traffic light 300.

The transmitter 121 may include at least two antennas capable of confirming a direction in which the portable transceiver moves. Preferably, the transmitters 121, 122, 123, 124, and 125 are installed in four directions of east, south, west, and north. The antenna may be configured as a directional antenna that transmits a signal to the portable transceiver by a broadcasting method and transmits a short range wireless communication signal only for a predetermined range. For example, if a metal plate is added to the rear surface of the directional antenna to shield the signal, the signal may be generated only within a predetermined range of the front surface. Each directional antenna is configured to transmit a signal only for a predetermined range of angles and distances. Therefore, when the pedestrian comes near the crossing, it can be checked in which direction the portable transceiver is entering, and it is possible to determine whether the pedestrian crosses the entrance and whether the pedestrian is crossing.

On the other hand, the stationary transceiver 100 may be installed at least two spaced apart from each other for each sidewalk the crossing. Specifically, by installing one each to the left and right of the crossing entrance and exit area, it is possible to accurately determine the movement path or the moving direction of the portable transceiver.

The transceiver 126 receives the pedestrian authentication information from the portable transceiver 200, and transmits the received pedestrian authentication information and the position information (identification signal for each antenna) for the antenna that transmitted the position signal to the traffic light. It plays a role. In addition, the transceiver 126 may exemplify the configuration of an antenna for transmitting and receiving signals to and from the portable transceiver 200 and the traffic light 300 in a duplex communication method.

At this time, in the embodiment of the present invention, a communication unit of the fixed transceiver is disclosed as a configuration divided into a transmitter and a transceiver, but can be configured to be implemented by only one transceiver. In addition, the transceiver of the stationary transceiver may be implemented to communicate with a traffic light by wireless or wired, and is not particularly limited in communication.

The controller 130 generally controls the power unit 140, the communication unit 120, and the signals transmitted and received by the communication unit. In particular, the transmitter 121 transmits a signal for checking the position of the portable transceiver 200 and receives the pedestrian authentication information transmitted from the portable transceiver 200 and transmits the signal to the traffic light 300.

Meanwhile, referring to FIG. 12, the antennas 122, 123, 124, and 125 may include first omnidirectional antennas 122 and 123 oriented in the crossing direction and second omnidirectional antennas 124 and 125 oriented in the delivery direction. In this case, when it is determined that the portable transceiver 200 enters the crossing, the controller 130 increases the signal strength so that the signals of the first omnidirectional antennas 122 and 123 reach the centerline region of the road, and is set initially when crossing the crossing. Control to return to signal strength. Here, it is determined whether the portable transceiver 200 has entered the crossing at the traffic light, and the signal is sent from the traffic light 300 to the fixed transceiver 100 to adjust the strength of the signals of the first omnidirectional antennas 122 and 123, The control unit 130 of the fixed transceiver 100 adjusts the strength of the signal by receiving it.

The power supply unit 140 is to provide power to the stationary transceiver 100, may be supplied from the outside, or may be configured in various ways, such as a secondary battery using a battery or solar energy.

6 and 7, the portable transceiver 200 according to the present invention receives the signal from the fixed transceiver 100 when the pedestrian enters the signal region of the fixed transceiver 100 to authenticate the pedestrian. Information is transmitted to the fixed transceiver 100.

And the portable transceiver 200 has a body 210 is provided to be worn on the user's wrist. The body 210 may be implemented with a material having elasticity to maintain a constant wearability regardless of the size of the wrist. Although not shown, the wearable mobile terminal may be configured to further include a chip of a radio frequency identification (RFID) scheme. And since the chip can be used as a transportation card chip, etc., the user does not need to carry a separate transportation card, it is convenient.

The body 210 is provided with a communication unit 240, an output unit 220, an operation unit 230, a control unit 260 and a power supply unit 250.

The communication unit 240 may exchange signals with the fixed transceiver 100, and includes a transmitter and a receiver. The receiving unit receives a signal for confirming the position of the pedestrian from the fixed transceiver, and the transmitter transmits the pedestrian authentication information of the pedestrian to the fixed transceiver 100 under the control of the controller 260.

The output unit 220 guides the user to a warning signal stimulating the sense of touch or hearing the information such as the lighting state of the traffic light according to the command of the controller.

That is, the output unit 220 includes a display unit 221, a vibration output unit 222 or a voice output unit 223, and displays the lighting state of the signal lamp according to the command of the controller, vibration or voice, etc. It can be illustrated to guide in the manner of. That is, the display unit 221 visually displays information on the lighting state of the traffic light. The vibration output unit 222 may guide the information on the lighting state through the intensity of the vibration, the short and long periods of the vibration, the number of vibrations. The voice output unit 223 provides voice guidance to a visually inconvenient pedestrian.

The operation unit 230 may include an operation button (not shown) for operating various menus displayed on the display unit 221, and includes, for example, whether a pedestrian has a disability, a degree of disability, an age, and the like. Pedestrian authentication information can be entered or modified in the portable transceiver.

The controller 260 generally controls the operation of the portable transceiver 200 including the output unit 220, the operation unit 230, the communication unit 240, and the power supply unit 250. In addition, the control unit 260 instructs to transmit the pedestrian authentication information to the fixed transceiver 100 upon receiving the signal from the fixed transceiver 100 and the pedestrian upon receiving information on the lighting state of the traffic light 300. Instructs to guide the lighting state.

The power supply unit 250 supplies power to the portable transceiver, and includes a battery.

Referring to FIG. 8, the traffic light of the present invention includes a lighting unit 310, a communication unit 320, a control unit 330, and a power supply unit 340.

The lighting unit 310 is composed of a red light 311 to guide the pedestrians do not cross in accordance with the command of the control unit 330, and a green light 312 to guide to walk or guide the flashing signal.

The communication unit 320 may exchange signals with the fixed transceiver 100, and includes a transmitter and a receiver. The receiver receives the pedestrian authentication information and the position information of the fixed transceiver from the fixed transceiver 100, and the transmitter transmits the information on the lighting state of the lighting unit to the fixed transceiver 100 under the control of the controller 330. Send.

The control unit 330 checks the position of the pedestrian based on the pedestrian authentication information received from the communication unit 320 and the position information of the fixed transceiver, and adjusts the lighting state of the lighting unit 310 according to the identified position. do. At this time, the position information of the fixed transceiver includes signal area or position information for each antenna.

For example, when the communication unit 320 receives a signal that the portable transceiver 200 enters the signal area of the fixed transceiver 100, the controller 330 causes the lighting unit 310 to be previously set. By commanding the green light 312, which is a walking signal, to be faster than the interval, convenience may be provided to pedestrians who are uncomfortable.

In addition, the traffic light 300 has a walking signal from the time when the portable transceiver 200 enters the crosswalk and leaves the signal region of the fixed transceiver installed in one side passage until entering the signal region of the fixed transceiver installed in the other side. Can be controlled to be maintained. And it may be controlled so that the flashing signal is maintained from entering the signal area of the fixed transceiver installed in the other side to enter the other side. As described above, the traffic light 300 of the present invention is adjusted to be in a lighting state suitable for the movement path and position of the pedestrian, so that a pedestrian, in particular, the elderly or an uncomfortable pedestrian can safely use the crossing.

On the other hand, the traffic light 300 may be configured to voice guidance information on the lighting state separately from the audio output of the portable transceiver 200. In this case, the speaker installed in the existing traffic light can be used, thereby reducing additional cost burden.

The power supply unit 340 provides power to a traffic light.

Hereinafter, a traffic light control method using a traffic light control system for actively turning on a traffic light of the present invention will be described with reference to FIGS. 9 to 12.

Referring to FIG. 9, first, the stationary transceiver 100 continuously transmits a signal for positioning by continuously broadcasting a short range wireless communication signal. When the pedestrian enters into a signal area capable of receiving the signal of the fixed transceiver 100, the portable transceiver 200 receives the signal of the fixed transceiver 100 and transmits the pedestrian authentication information to the fixed transceiver. Send to device (S1)

Next, the pedestrian authentication information transmitted from the portable transceiver 200 is transmitted to the receiver of the traffic light 300 through the fixed transceiver 100. In addition, the control unit of the traffic light 300 checks the pedestrian information and location, such as whether the pedestrian has a disability, the degree of disability, and the age based on the received pedestrian authentication information and location information.

Subsequently, the controller of the traffic light 300 checks whether the pedestrian is in the signal ground, is located at the crosswalk, or is crossing the crosswalk safely according to the confirmed pedestrian information and position, so as to maintain the lighting state of the traffic light suitable for the situation of the pedestrian. Instructs the lighting unit. (S3)

10 and 12, when the portable transceiver 200 enters the signal region of the fixed transceiver 100, the portable transceiver 200 receives a signal of the east antenna 125a of the second fixed transceiver 102. When the portable transceiver 200 receives signals from the south antenna 124a of the second fixed transceiver 102 and the east antenna 125 of the first fixed transceiver 101, the portable transceiver 200 The pedestrian authentication information is transmitted to the traffic light 300 through the fixed transceiver 100.

Next, in the traffic light 300, the portable transceiver 200 receives a signal from the south antenna 124a of the second fixed transceiver 102 and the east antenna 125a of the first fixed transceiver 101 for a predetermined time. When staying in the area, when the location information for the antenna (124a, 125a) is sent to the traffic light 300, the traffic light 300 determines that the pedestrian is waiting for a signal.

Next, when the pedestrian enters the signal area of the fixed transceiver 100 and determines that the signal is waiting, the pedestrian switches to a walking signal (green light) earlier than the preset green light interval. When the portable transceiver 200 receives signals from the western antenna 123a of the second fixed transceiver 102 and the north antenna 122 of the first fixed transceiver 101, the portable transceiver 200 transmits pedestrian authentication information to the fixed transceiver. Transmit to traffic light 300. The traffic light 300 determines that the crossing has been entered based on the received authentication information and the location information, and maintains green light until it is determined that the portable transceiver 200 has completely crossed the crossing. Receiving the position information of the west and north antennas of the third fixed transceiver 103 and the west and north antennas of the fourth fixed transceiver 104, it is determined that the crossing has been completely crossed, and the green light blinks.

Meanwhile, referring to FIGS. 11 and 12, the directional antennas 122, 123, 124, and 125 include first directional antennas 122 and 123 that are directed in the crossing direction and second directional antennas 124 and 125 that are directed in the delivery direction. The control method of a traffic light is demonstrated.

When the portable transceiver 200 enters the crossing, the controller of the traffic light 300 determines this. The signal strength of the first directional antennas 122 and 123 is increased to reach the centerline region of the road, and the signal is transmitted to the fixed transceiver 100. When the communication unit of the fixed transceiver 100 receives a signal for adjusting the signal strength of the first directional antenna (122,123) transmitted from the traffic light 300, as shown in (b) of FIG. The control unit instructs to increase the strength of the signals of the first directional antennas 122, 122a, 123, and 123b. In the same manner, if the portable transceiver 200 crosses the crossing, the signal strength of the first omnidirectional antennas 122, 122a, 123, and 123b increased as shown in FIG. .

By adjusting the strength of the first directional antenna (122,123) in this way, it is possible to eliminate the blind spot for the position information of the portable transceiver, it is possible to provide more accurate position information.

Hereinafter, another embodiment of a traffic light control system for actively turning on a traffic light of the present invention will be described.

As shown in FIG. 13, the traffic light 300 of the present invention further includes a voice guide unit 350 for outputting voice information about the traffic light to the pedestrian in addition to the lighting unit 310 and an illumination unit 360 such as a warning light or a street lamp. It may include. In addition, the lighting unit 310, the voice guide unit 350, and the lighting unit 360 of the signal lamp operate by the control signal transmitted from the control unit 400.

14 and 15, the traffic light control system for actively turning on the traffic light of the present invention is configured to be portable by pedestrians, and the portable transceiver 200 for transmitting pedestrian authentication information, near the crossing. Is installed and communicates with the portable transceiver 200, a plurality of fixed transceiver 100 for transmitting the pedestrian authentication information and its location information received from the portable transceiver 200, the fixed transceiver Checking the current position of the portable transceiver 200 through the pedestrian authentication information and the position information of the fixed transceiver 100 received from the 100, and controls the lighting state according to the current position of the confirmed pedestrian It may be configured to include a control unit 400 and the traffic light 300 controlled in accordance with the command of the control unit 400.

As such, the controller 400 controls the lighting state of the signal lamp lighting unit 310 in the control unit 330 of FIG. 8 as described above, and controls the voice guide unit 350 and the lighting unit 360. Done. Specifically, the control unit 400 receives the pedestrian authentication information and its location information from the stationary transmission and reception device 100, and transmits a control signal to the traffic light 300 so as to take appropriate measures through the received information. The controller 330 of the traffic light 300 operates the lighting unit 310, the voice guide unit 350, and the lighting unit 360 according to the control signal. As such, the control unit 400 may be separately installed from the control unit 330 of the traffic light 300 to collectively manage the plurality of traffic lights 300a, 300b, and 300c in a predetermined area. In addition, the controller 400 may be configured to be connected to the server 500 through a communication network. The server 500 may control the plurality of control units 400 through mobile communication.

Therefore, by using the traffic light control method using the traffic light control system for actively turning on the traffic light of the present invention, it is possible to reduce the signal waiting time for switching from red to pedestrian green light can provide convenience to pedestrians.

When the green light is turned on and the pedestrian enters the crossing, the position of the pedestrian can be accurately determined through the transmission and reception between the antenna of the stationary transceiver, the portable transceiver and the signal lamp. As the traffic lights are actively controlled in accordance with the identification information and location information of the disabled and the elderly who are the pedestrians identified as above, the traffic lights are maintained as green while the pedestrians are crossing the street.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

100: fixed transceiver 110: body
120: communication unit 121: transmission unit
122, 123, 124, 125: antenna 126: transceiver
130: control unit 140:
200: portable transceiver 210: body
220: output unit 230: operation unit
240: communication unit 250: power unit
260:
300: traffic light 310: lighting unit
311: red 312: green light
320: communication unit 330: control unit
340:
400:
500: Server

Claims (10)

A portable transceiver configured to be portable by a pedestrian and transmitting pedestrian authentication information;
A plurality of fixed transceivers communicating with the portable transceiver and transmitting the pedestrian authentication information and the location information thereof received from the portable transceiver to the outside;
A control unit which checks the current position of the pedestrian through the pedestrian authentication information and the position information received from the fixed transceiver and controls the lighting state according to the identified current position of the pedestrian; And
A traffic light controlled according to a command of the controller;
Traffic light control system for actively turning on the traffic light characterized in that it comprises a. The method of claim 1,
The fixed transceiver includes at least two antennas to determine the position and the direction of movement of the portable transceiver,
And the antenna is a directional antenna which transmits a signal to the portable transceiver in a broadcasting manner and transmits the signal in a predetermined direction. 3. The method of claim 2,
The directional antenna comprises a first directional antenna directed in the direction of the crossing, and a second directional antenna directed in the direction of delivery,
The traffic light includes a controller for increasing the signal strength so that the signal of the first directional antenna reaches the center line area of the road when the portable transceiver enters a crossing in India. Control system. The method of claim 1,
The portable transceiver is,
A communication unit for transmitting and receiving a signal to and from the fixed transceiver, and when the communication unit receives a signal from the fixed transceiver, instructing the pedestrian authentication information to be transmitted to the fixed transceiver, and receiving information on a lighting state of the signal lamp. And a control unit for instructing a pedestrian to guide the lighting state, and an output unit for guiding the pedestrian with information about the lighting state of the traffic light by stimulating visual, tactile, or auditory senses according to the command of the control unit. Traffic light control system that lights up. The method of claim 1,
The traffic light,
A lighting unit comprising red and green lights, a communication unit for transmitting and receiving signals to and from the fixed transceiver, and confirming pedestrian authentication information and location information received from the communication unit, and adjusting the lighting state of the lighting unit according to the confirmed information. Including a control unit,
And the control unit controls the lighting unit to switch to a walking signal faster than a previously set interval when the portable transceiver enters the signal region of the fixed transceiver. The method of claim 5,
The control unit of the traffic light is the lighting unit so that the walking signal is maintained until the portable transceiver enters the crossing and leaves the signal area of the fixed transceiver installed in one side until entering the signal area of the fixed transceiver installed in the other side. Control,
And the lighting unit is controlled to maintain a flashing signal from the time of entering the signal area of the fixed transceiver installed in the other side to the other side. The method of claim 1,
The wearable portable terminal further comprises a RFID (Radio Frequency Identification) chip of the traffic light control system for actively turning on the traffic light. In the traffic light control method using the traffic light control system of claim 1,
A first step of receiving, by the portable transceiver, a signal of the fixed transceiver and transmitting pedestrian authentication information to the fixed transceiver when the pedestrian enters a signal area capable of receiving a signal of the fixed transceiver;
A second step of confirming pedestrian authentication information and the current location transmitted by the portable transceiver; And
A third step of maintaining a lighting state of a suitable traffic light according to the identified pedestrian state and current position, and transmitting information on the lighting state to the portable terminal;
Traffic light control method comprising a. 9. The method of claim 8,
The traffic light,
A lighting unit comprising red and green lights, a communication unit for transmitting and receiving a signal to and from the fixed transceiver, and confirming the position of the pedestrian based on the pedestrian authentication information and the position information received from the communication unit, and lighting the light according to the identified position. It includes a control unit for adjusting the lighting state of the negative,
And the controller controls the lighting unit to switch to a walking signal faster than a previously set interval when the portable transceiver enters the signal area of the fixed transceiver. 10. The method of claim 9,
The control unit of the traffic light is the lighting unit so that the walking signal is maintained until the portable transceiver enters the crossing and leaves the signal area of the fixed transceiver installed in one side until entering the signal area of the fixed transceiver installed in the other side. Control,
And controlling the lighting unit to maintain a flashing signal from entering a signal area of the fixed transceiver installed in the other side to the other side.

Images