WO2009116747A2 - Système de commande de sécurité d'un véhicule et procédé de commande de sécurité d'un véhicule utilisant ledit système - Google Patents

Système de commande de sécurité d'un véhicule et procédé de commande de sécurité d'un véhicule utilisant ledit système Download PDF

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Publication number
WO2009116747A2
WO2009116747A2 PCT/KR2009/001238 KR2009001238W WO2009116747A2 WO 2009116747 A2 WO2009116747 A2 WO 2009116747A2 KR 2009001238 W KR2009001238 W KR 2009001238W WO 2009116747 A2 WO2009116747 A2 WO 2009116747A2
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WO
WIPO (PCT)
Prior art keywords
vehicle
unit
sensor
obstacle
control unit
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PCT/KR2009/001238
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English (en)
Korean (ko)
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WO2009116747A3 (fr
Inventor
김학선
전문수
Original Assignee
Kim Hak Sun
Jeon Mun Su
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Publication date
Application filed by Kim Hak Sun, Jeon Mun Su filed Critical Kim Hak Sun
Publication of WO2009116747A2 publication Critical patent/WO2009116747A2/fr
Publication of WO2009116747A3 publication Critical patent/WO2009116747A3/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/08—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on brakes or brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor

Definitions

  • the present invention is a vehicle safety management system that integrates vehicle theft prevention, safe driving when driving, safe driving when reversing or parking, automatic driving deceleration driving according to weather conditions, etc. And it relates to a vehicle safety management method using the same.
  • a brake device of a vehicle such as a foot brake braking of a vehicle or a hand / foot brake for braking a disabled vehicle, is used as a manual braking method in which a braking is performed when a driver operates by foot or hand as necessary.
  • the vehicle collision avoidance device as described above does not have a means for selectively driving the driver according to the needs of the driver, there is an inconvenience that the car is stopped regardless of the driver's intention in a large number of nearby objects such as downtown, Regardless of the speed of the vehicle, as soon as an object appeared in front and rear, the vehicle was stopped.
  • the linear motor Korean Patent No. 10-0142539 (April 01, 1998, hereinafter referred to as Document 2) is disclosed as an automatic brake control device for a vehicle that can minimize installation costs by driving a brake pedal using an electromagnet.
  • the selection switch SW converts the electric signal into an electrical signal and outputs the distance, and the distance of the front object.
  • Light signal is output to detect the light signal reflected by the front object, and converts it into an electrical signal, and then outputs the light emitting device and the light receiving device, and the current speed of the vehicle to detect and convert it into an electrical signal And a vehicle speed sensor to be output afterwards, and when the selection switch is turned on, it is determined whether a front object is closer than a reference value from a signal input from the light receiving element, and when the front object is closer than a reference value, From the input signal, it is determined whether the current vehicle speed is in high speed, and braking is automatically performed accordingly.
  • a controller for outputting a drive signal for the same comprises a brake driving unit for operating a brake pedal in accordance with a drive signal inputted from the controller.
  • an object of the present invention for solving the above disadvantages and inconveniences of the prior art is to integrate a vehicle theft prevention, safe driving when driving, safe driving when driving backward or parking, automatic driving deceleration driving according to the vehicle speed and weather conditions, etc.
  • the present invention provides a vehicle safety management system capable of providing safety to a vehicle and preventing accidents during driving according to a predetermined program setting, and a vehicle safety management method using the same.
  • the vehicle safety management system of the present invention controls a vertical movement of an accelerator pedal and a brake pedal of a vehicle to a safety management system of a vehicle equipped with a deceleration / braking control unit for automatically controlling the deceleration and braking of the vehicle.
  • a sensing unit comprising a plurality of sensors for sensing a vehicle or an obstacle or a rear obstacle driving in front of the vehicle or sensing weather conditions outside the vehicle;
  • a traveling speed detection unit detecting a traveling speed change value of the vehicle;
  • a touch panel unit for inputting various control commands for driving the vehicle safely or a password for driving the vehicle, and outputting information for safe driving of the vehicle;
  • a plurality of camera units for photographing the front of the vehicle and the inside of the vehicle;
  • a voice input unit for receiving various types of information for safe driving of the vehicle;
  • a voice output unit configured to output a variety of information for safe driving of the vehicle;
  • a data storage unit which stores an image photographed by the camera unit;
  • a wiper operation signal detector for detecting a wiper operation signal of the vehicle;
  • a direction change signal detector for detecting a direction change signal indicating a driving direction of the vehicle; Decelerate according to one or more of the various signals sensed by the sensing unit, the vehicle traveling speed detected by the vehicle traveling speed detector,
  • Braking control unit is automatically controlled according to a set program, and processes various control commands or input signals input from the touch panel unit to control the driving operation of the vehicle, and stores the image captured by the camera unit in the data storage unit
  • a controller configured to control basic vehicle safety information and safety driving information of the vehicle according to various signals sensed by the sensing unit through the voice output unit; It is configured to include.
  • the sensing unit may include a front sensor for detecting an obstacle in front of the vehicle, a rear sensor for detecting an obstacle in the rear of the vehicle, a driving speed detection sensor for detecting a traveling speed of the vehicle, and an operation signal of an accelerator pedal of the vehicle.
  • the brake lock release sensor detects a lock pedal to release the brake pedal
  • the brake lock sensor locks the brake pedal when the brake pedal is operated
  • a weather state sensing sensor detects a weather condition outside the vehicle.
  • the front sensor is a sensor for detecting a distance between an obstacle in front of the vehicle and a vehicle, a front laser sensor for detecting a left obstacle in front of the vehicle as a normal laser sensor for detecting an obstacle in front of the vehicle and a distance between the vehicle, and a front of the vehicle.
  • the conventional laser sensor for detecting the distance between the obstacle and the vehicle is preferably configured as a front right sensor for detecting the right obstacle in front of the vehicle.
  • the front left sensor and the front right sensor is composed of a laser sensor that can detect obstacles up to 0.5m to 150m in front of the vehicle, after converting the respective sensing signals to the front left sensor and the front right sensor
  • each sensing signal converter for transmitting to the control unit is configured.
  • Each of the sensing signal converters is connected to a control unit in a universal serial bus (USB) manner, or transmits data in a serial RS232 or RS485 format, and the data output rate is 400 to 1000 Hz. It is desirable to process and transmit the information (sensing data) so that it can be read.
  • USB universal serial bus
  • the front left sensor and the laser sensor of the front right sensor start a range measurement at a rate of 400 to 1000 Hz when power is supplied, and the range measurement is made of a single pulse, and the signal received from the pulse is It is processed into RANGE DATA and sent from the sensing signal converter to the control unit in serial RS232 or RS485 format, and the RANGE DATA is a 12-bit binary word and 2 bytes. (8bit), the first byte of the 2 bytes consists of 6 most significant byte (MSB) words, the second byte consists of 6 least significant byte (LSB) words, the 9600 baud, It is desirable to transmit at one of 19200 baud, 38400 baud and 57600 baud.
  • MSB most significant byte
  • LSB least significant byte
  • the safety management system of the vehicle supplies air to the solenoid of the accelerator control unit, a pressure sensor for sensing the internal air pressure when the air pressure rises or falls in the set pressure range, and the air to the solenoid of the brake control unit It is preferable that the air pressure detector is further provided to sense the air pressure of the pressure sensor for supplying and sensing the air pressure therein when the air pressure rises or falls in the set pressure range.
  • the traveling speed detecting unit includes a traveling speed detecting sensor having a protruding pin moving up and down and a guide groove for guiding the protruding pin up and down on one side of the accelerator pedal of the vehicle, and the traveling speed detecting sensor. It is preferable that the driving speed sensing signal converter transmits the detected signal to the control unit in one of a communication method such as a pulse method, a DC voltage method, and a DC current method.
  • a communication method such as a pulse method, a DC voltage method, and a DC current method.
  • the traveling speed detecting sensor generates a variable resistance value as the protruding pin operates up and down as the user presses the accelerator pedal, and in the traveling speed sensing signal converter according to the variable resistance value output from the traveling speed detecting sensor.
  • DC current of 4 mA to 20 mA is set to be output, and the protruding pin operates up and down according to the position of the accelerator pedal, and outputs the DC current value and the corresponding DC current value generated at the current position of the protruding pin.
  • the controller calculates a time to detect a current speed of the vehicle and outputs the detected current speed of the vehicle to the touch panel unit.
  • the vehicle safety management method using the vehicle safety management system of the present invention includes a deceleration / braking control unit that automatically controls the deceleration and braking of the vehicle by controlling the vertical operation of the accelerator pedal and the brake pedal of the vehicle.
  • a sensing unit configured to sense a vehicle running in front of the vehicle, an obstacle or an obstacle behind the vehicle, or a plurality of sensors for sensing a weather condition outside the vehicle, a traveling speed detector for detecting a traveling speed of the vehicle, and the vehicle
  • a touch panel unit for inputting various control commands for driving safely or a password for driving a vehicle and outputting information for safe driving of the vehicle, a plurality of camera units for photographing the front of the vehicle and the inside of the vehicle, Voice input unit for receiving a variety of information for safe driving, various information for the safe driving of the vehicle
  • a voice output unit for outputting a voice
  • a data storage unit for storing an image photographed by the camera unit
  • a wiper operation signal detector for detecting a wiper operation signal of the vehicle
  • a direction detecting signal for indicating a direction of driving of the vehicle
  • a changeover signal detection unit various signals sensed by the sensing unit, a vehicle driving speed change value detected by the vehicle traveling speed detection unit, a direction change signal detected by
  • a safety management method of a vehicle using a safety management apparatus of a vehicle comprising: calculating a distance between the obstacle and a vehicle when an obstacle is detected through the sensing unit while driving the vehicle; Calculating a traveling speed of the vehicle when the distance between the obstacle and the vehicle is within 100 m; When the distance between the obstacle and the vehicle is within 100m, and the calculation result indicates that the running speed of the vehicle is less than 70Km to 40Km or more, an alarm is output through the touch panel unit and the voice output unit, and the distance between the obstacle and the vehicle is within 100m.
  • the traveling speed is 70Km or more or the traveling speed of the vehicle is less than 70Km to 40Km and the distance between the vehicle and the obstacle is 80m to 50m
  • an alarm is output through the touch panel unit and the voice output unit, and the deceleration / braking control unit Inhibiting acceleration (falling) of the accelerator pedal;
  • the touch panel unit and voice output Outputting an alarm through a unit, controlling the accelerator pedal in a reverse direction of a vehicle acceleration direction through the deceleration / braking control unit, and controlling the brake pedal in a direction in which the vehicle is decelerated;
  • the distance between the vehicle and the obstacle is 30 m or less, the alarm is continuously output through the touch panel unit and the voice output unit, and the accelerator pedal is controlled in the reverse direction in which the vehicle is
  • the vehicle requests to input a password set in the vehicle through the touch panel unit and the voice output unit when starting the vehicle, and if an input error occurs more than the number of times set for the password input through the touch panel unit,
  • the controller photographs the inside of the vehicle using the camera provided in the touch panel unit, the brake pedal and the accelerator pedal of the vehicle are kept off, and the captured image is stored in the data storage unit. Do.
  • the controller may be configured to automatically decelerate or decelerate the driving speed of the vehicle compared to a normal speed when the weather condition is below zero or the wiper operation signal detector operates on the data sensed by the sensing unit. And after guiding through the voice output unit, it is preferable to determine whether to perform the deceleration operation according to whether the deceleration operation is requested or ignored through the touch panel unit.
  • the controller may be configured to automatically decelerate or decelerate the driving speed of the vehicle compared to a normal speed when the weather condition is below zero or the wiper operation signal detector operates on the data sensed by the sensing unit. It is preferable to determine whether to perform the deceleration operation based on whether the deceleration operation is requested or ignored through the touch panel unit after guiding through the unit and the voice output unit.
  • Vehicle safety management system and a vehicle safety management method using the same according to the present invention has the following effects.
  • a passenger including a driver may be safer by automatic deceleration driving according to weather conditions.
  • both the person in the vehicle or the person outside the vehicle, and the vehicle or obstacle can avoid collisions, thereby increasing the safety of both the person and the vehicle.
  • FIG. 1 is a block diagram illustrating a vehicle safety management system according to the present invention
  • FIG. 2 is a block diagram illustrating in detail the sensing unit and the traveling speed detection unit of the vehicle safety management system of the present invention
  • FIG. 3 is a cross-sectional view showing an example in which the accelerator pedal operates before the accelerator control unit of the deceleration / braking control unit illustrated in FIG. 1 operates;
  • FIG. 4 is a cross-sectional view illustrating an example in which an accelerator pedal is raised by operating an accelerator control unit of the deceleration / braking control unit illustrated in FIG. 1;
  • 5 to 6 are cross-sectional views showing a state in which the brake pedal is operated before the brake control unit of the deceleration / braking control unit in the vehicle safety management system according to the present invention
  • FIG. 7 to 8 are cross-sectional views showing a state in which the brake control unit of the deceleration / braking control unit operates in the vehicle safety management system according to the present invention
  • FIG. 9 is a cross-sectional view showing a state in which the accelerator control unit operates according to the wiper signal transmission unit according to the weather change in the vehicle safety management system according to the present invention.
  • FIG. 10 is an operation flowchart of an automatic control method for deceleration, automatic control and braking of a vehicle in a vehicle safety management system according to an embodiment of the present invention
  • FIG. 11 is a flowchart illustrating a process of operating an accelerator control unit for controlling an accelerator pedal in a vehicle safety management method according to a vehicle safety management system according to the present invention
  • FIG. 12 is a flowchart illustrating a process of operating a brake control unit for controlling the brake pedal after the accelerator pedal is operated in the vehicle safety management method according to the present invention
  • FIG. 13 is a block diagram illustrating a case in which the vehicle safety management system according to the present invention is configured with a programmable logic controller (PLC).
  • PLC programmable logic controller
  • FIG. 14 is a flowchart illustrating a program scanning method for vehicle safety management using the vehicle safety management system according to the present invention
  • 15 is a flowchart illustrating an embodiment of a vehicle safety management method for vehicle safety management using the vehicle safety management system according to the present invention
  • 16 is a flowchart illustrating an embodiment of a safety management method when driving a vehicle in a vehicle safety management method according to the present invention
  • 17 is a flowchart illustrating another embodiment of a safety management method for driving a vehicle in a vehicle safety management method according to the present invention.
  • FIG. 18 is a flowchart illustrating a vehicle theft prevention method of the vehicle safety management method according to the present invention.
  • the automatic control used in the present specification is a control that is set in advance in response to a weather change (snow or rain) around the vehicle when an obstacle located in front, rear, or side (when turning left or right) when driving the vehicle approaches the vehicle's approaching distance. It includes a series of processes in which the accelerator control unit and the brake control unit operate on the automatic deceleration of the accelerator pedal or the braking of the brake pedal according to the electric signal transmitted from the program.
  • the reverse direction of the accelerator pedal is a direction opposite to the direction in which the driver presses the accelerator pedal, and refers to an operation of forcibly pushing the accelerator pedal upward by rotating the brake plate of the accelerator control unit installed at the lower portion of the accelerator pedal upward.
  • the opposite direction is called forward.
  • the vehicle safety management system of the present invention by controlling the vertical operation of the accelerator pedal 400 and the brake pedal 500 of the vehicle automatically
  • the vehicle may be configured to include a plurality of sensors for sensing a vehicle or an obstacle or a obstacle behind the vehicle, or sensing a weather condition outside the vehicle while the vehicle is driving.
  • the sensing unit 110, the traveling speed detecting unit 120 for detecting a change in the traveling speed of the vehicle, inputs various control commands for safe driving of the vehicle or a password for driving the vehicle, and performs safe driving of the vehicle.
  • a touch panel unit 130 for outputting information for the vehicle, a plurality of camera units 140 for photographing the front and the inside of the vehicle, and various kinds of information for safe driving of the vehicle
  • a voice input unit 150 for receiving an input
  • a voice output unit 160 for outputting various information for safe driving of the vehicle
  • a data storage unit 170 for storing an image photographed by the camera unit 140
  • the wiper operation signal detector 180 detects a wiper operation signal of the vehicle
  • the direction change signal detector 190 detects a direction change signal indicating a driving direction of the vehicle
  • the sensing unit 110 senses Various signals and a traveling speed change value of the vehicle detected by the vehicle traveling speed detector 120, a direction change signal detected by the direction change signal detector 190, and a wiper operation of the vehicle detected by the wiper operation signal detector 180.
  • Automatically control the deceleration / braking control unit 300 according to a signal according to a set program, process various control commands or input signals input from the touch panel unit 130 to control the driving operation of the vehicle, and
  • the image captured by the camera unit 140 is stored in the data storage unit 170, and the voice output of the safety driving information of the vehicle according to basic vehicle safety information and various signals sensed by the sensing unit 110. It is configured to include a control unit 200 for controlling to output through the unit 160.
  • control unit 200 is a calculation unit 210 for receiving and calculating the electrical signal sensed by the sensing unit 110, and the first memory unit 220 for temporarily storing a variety of variable signals generated in the vehicle while driving. And a second memory unit 230 in which the information recorded by the program once is stored permanently regardless of power supply.
  • the first memory unit 220 may be configured as a normal random access memory (RAM)
  • the second memory unit 230 may be configured as a normal read only memory (ROM).
  • reference numeral 240 is an air pressure detector 240 for detecting the air pressure of the air compressor (312) (322) shown in Figs.
  • the deceleration / braking control unit 300 controls an up and down operation of the accelerator pedal 400 and the brake pedal 500 by an electric signal from the control unit 200 to automatically control the deceleration and braking of the vehicle.
  • the brake control unit 320 controls an up and down operation of the accelerator pedal 400 and the brake pedal 500 by an electric signal from the control unit 200 to automatically control the deceleration and braking of the vehicle.
  • control unit 200 of the vehicle when starting the vehicle, the control unit 200 of the vehicle outputs a text to input the set password through the screen of the touch panel unit 130, and the set password through the voice output unit 160. Speak out the input.
  • the control unit 200 prevents the accelerator control unit 310 and the brake control unit 320 of the deceleration / braking control unit 300 from operating, that is, locks the vehicle, thereby preventing theft of the vehicle. Done.
  • the controller 200 automatically operates the camera in the vehicle when the input error for the vehicle password is set (for example, three or more times), and stores the data in the data storage unit 170 in case of occurrence. Recorded criminals in case of stolen vehicle or crime can be used for future investigation.
  • the camera 140 records a traffic situation occurring outside the vehicle, as well as a camera photographing the outside of the vehicle (in front of the vehicle) and a camera photographing the inside of the vehicle so that the situation inside the vehicle can be recorded. It may be configured in number or more, and basically it is preferable that the front and rear of the touch panel 130 is configured to photograph the front and the inside of the vehicle, respectively.
  • control unit 200 calculates the traveling speed of the vehicle from the traveling speed change value of the vehicle detected by the traveling speed detecting unit 120, when the vehicle speed is equal to or less than the set speed or within a set time after the vehicle is started. Can disable the safety program. This is because when the vehicle passes through a very narrow road or alley, the driving speed is slow at the touch panel unit 130 when driving at a speed that prevents driving by the left front sensor or the right front sensor (for example, 1 km to 20 km or less). Indicates a selection function (with or without a selection function), and when the driver selects the selection function “no” shown in the touch panel unit 130, the vehicle travels regardless of the obstacle.
  • the vehicle when the accelerator pedal is within 10 seconds to 60 seconds, the vehicle may be driven at a low speed or before fully entering the road, and thus a situation of sudden braking may be less likely to occur or rapid braking may be unnecessary.
  • the controller 200 when the vehicle speed is transmitted to the controller 200 when the vehicle speed detected by the vehicle speed detector 120 is transmitted to the controller 200, the controller 200 stores the corresponding change value as the value stored in the second memory unit 230. In comparison, the current speed of the vehicle can be detected.
  • the controller 200 may indicate a rainy situation, and thus, the controller 200 may not provide rapid braking. 130 may be output through the voice output unit 160. This is because the vehicle and the driver or passenger inside the vehicle may be in a dangerous situation when the road is slippery due to rain.
  • control unit 200 basically controls the accelerator control unit 310 of the vehicle in a raining situation so that the vehicle may travel within a safe speed (for example, depending on road conditions (highway, general road), etc.). desirable.
  • a safe speed for example, depending on road conditions (highway, general road), etc..
  • the safe speed is controlled to decelerate to 20% to 50% of the normal speed.
  • the controller 200 may also allow the driver to directly select whether to execute a corresponding command through the touch panel 130.
  • the controller 200 When the accelerator pedal 400 starts to be operated by the accelerator control unit 310, the controller 200 counts a time, and when the count value is increased, the controller 200 exceeds the set count value (for example, 50 seconds). It is recognized as medium speed. In addition, when the accelerator pedal is not pressed, the count value is decreased, and if it is less than or equal to the set count value, it is recognized as a low speed.
  • the set count value for example, 50 seconds
  • the low speed braking command (obstacle detection within 5 m from the vehicle) may be ignored, and the high speed braking command may be performed.
  • Such a technique may also be guided through the touch panel 130 and the voice output unit 160 and executed or ignored according to a user's selection.
  • FIG. 2 is a block diagram illustrating in detail the sensing unit and the traveling speed detection unit of the vehicle safety management system of the present invention.
  • Sensing unit 110 of the vehicle safety management system of the present invention as shown in Figure 2, the front sensor 1100 for detecting the obstacle situation in front of the vehicle, the rear sensor 1110 for detecting the obstacle situation in the rear of the vehicle,
  • the brake pedal release sensor 1130 detects a signal that enables the brake pedal 500 to be unlocked by detecting an operation signal of the accelerator pedal 400 of the vehicle and the brake pedal when the brake pedal 500 of the vehicle is operated.
  • the brake lock sensor 1140 detects a signal to lock the vehicle 500
  • a weather state sensing sensor 1150 detects a weather state outside the vehicle
  • the driving speed detector 120 measures the driving speed of the vehicle. Traveling to convert the signal detected by the traveling speed detecting sensor 1120 and the traveling speed detecting sensor 1120 to detect the changing value of the accelerator pedal 400 of the vehicle so as to detect and transmit to the control unit 200 Also it consists of a sensing signal converter 1160.
  • the front sensor 1100 is basically a sensor that detects the distance between the obstacle in front of the vehicle and the vehicle, and is a normal laser sensor that detects the obstacle in front of the vehicle and the distance between the vehicle.
  • the front sensor 1100 is preferably composed of a laser sensor that can detect obstacles from the front sensor 1100 to the front of the vehicle from 0.5m to 150m, such a laser sensor is an inter-vehicle distance control system as an embodiment Smart Cruise Control (SCC) or Intelligent Cruise Control (ACC) can use conventional laser signals or millimeter-wave techniques to measure the distance to the preceding vehicle (obstacle). Products continue to be released.
  • SCC Smart Cruise Control
  • ACC Intelligent Cruise Control
  • the front left sensor 1101 and the front right sensor 1102 have respective sensing signal converters 1103 and 1104 for converting each sensing signal and transmitting the same to the control unit 200.
  • the sensing signal converters 1103 and 1104 are preferably connected to the control unit 200 in a universal serial bus (USB) manner.
  • the communication method between the front sensor 1100 and the control unit 200 may be various, such as a pulse method, a DC voltage method and a DC current method.
  • the pulse transmission method is used to transmit data in serial RS232 (or RS485) format, and the data output rate is 400Hz to 1000Hz, so that the control unit 200 in the sensing signal converters 1103 and 1104 (for example, a USB converter) is used.
  • Information sensing data
  • the front sensor 1100 emits a laser to an obstacle in front of the front sensor
  • the control unit 200 reads the sensing signal converters 1103 and 1104 of the front sensor 1100 for information on the laser reflected by the obstacle. It is processed so that it can be processed and the processed information is communicated according to the communication mode.
  • the range measurement starts at a rate of 400 Hz to 1000 Hz.
  • the range measurement here consists of a single laser pulse, the signal received from the pulse is processed into range data (RANGE DATA) and sent out in serial RS232 format.
  • This range data is output in 12-bit binary words and 2 bytes (8 bits).
  • the first byte consists of 6 most significant byte (MSB) words
  • the second byte consists of 6 least significant byte (LSB) words.
  • the MSB is set to "10" to indicate that it is an MSB
  • the LSB is set to "00" to indicate that it is an LSB.
  • the data output rate is 400Hz to 1000Hz as described above.
  • the laser sensor configuring the front sensor 1100 may detect a distance between an 8-bit MSB and an 8-bit LSB when an obstacle in front of the vehicle is detected.
  • the MSB is 10111111 and the LSB is 00101100 among the values obtained through a conventional laser sensor
  • “111111” except “10” representing MSB and “111111” except “00” representing LSB are obtained.
  • a value of 4095dm can be obtained. This means that there are no obstacles in front of the vehicle.
  • 4095dm is a value that can measure up to about 150m forward, 1dm can be defined as about 0.03663m.
  • Range data is processed according to values of MSB and LSB from range data (RANGE DATA) transmitted from the left sensor 1101 or the front right sensor 1102 and transmitted to the controller 200 in the serial RS232 format.
  • the transmission rate is 400Hz to 1000Hz, and can be transmitted as 57600 baud as one of 9600 baud, 19200 baud, and 38400 baud.
  • the control unit 200 may be retransmitted by modulating at a different transmission rate when the control unit 200 cannot read. And the communication data transmitted and received can be confirmed by the dedicated CAD program on the dedicated PC.
  • Such a value is transmitted from the sensing signal converters 1103 and 1104 to the control unit 200 in a serial RS232 (or RS485) format in a USB manner. Therefore, the controller 200 configured as a programmable logic controller (PLC) method can read the corresponding information to execute the vehicle safety related program set for the obstacle in front of the vehicle.
  • PLC programmable logic controller
  • the traveling speed detection sensor 1120 for detecting a change value of the accelerator pedal 400 of the vehicle may include a protruding pin 1121 moving in association with the accelerator pedal 400 on one side of the accelerator pedal 400 of the vehicle. It may be configured as a slide sensor having a guide groove 1122 for guiding the projecting pin 1121 up and down.
  • the slide-type sensor is applied to one side of the lower part of the accelerator pedal 400 so that the driving speed detection sensor 1120 detects the corresponding movement value as a variable resistance value as the accelerator pedal 400 moves.
  • the sensing signal converter 1160 is transmitted, and the driving speed sensing signal converter 1160 converts the input variable resistance value into a DC current value (mA) and transmits it to the control unit 200.
  • the controller 200 calculates (detects) the current speed running value of the vehicle by referring to a program stored in the second memory unit 230 so as to know the current speed of the vehicle according to the corresponding motion value and time.
  • the guide groove 1122 constitutes a variable resistor
  • the variable resistance value is transmitted to the traveling speed sensing signal converter 1160 in the guide groove 1122 according to the vertical action of the protruding pin 1121.
  • the converter 1160 converts the variable resistance value into direct current (mA) and transmits it to the control unit 200.
  • the communication method between the traveling speed sensing signal converter 1160 and the controller 200 may use a pulse method or a DC voltage method in addition to the DC current method.
  • the traveling speed detecting sensor 1120 operates the up and down protruding pins 1121 as the user presses the accelerator pedal 400, and a variable resistance value is generated accordingly to the traveling speed sensing signal converter 1160.
  • the input variable resistance value may be set to be converted into a DC current of 4 mA to 20 mA in the traveling speed sensing signal converter 1160 to be output.
  • the protruding pin 1121 is located at the top of the guide groove 1122 (without stepping on the accelerator pedal 400), and when 20 mA is output, the protruding pin 1121 is It can be set in the case where it is located in the lowest part of the guide groove 1122 (state which pressed the accelerator pedal to the maximum). In other words, different current values are output depending on the position of the accelerator pedal 400.
  • the protrusion pin 1121 operates up and down according to the position of the accelerator pedal 400, and table the traveling speed (0 to 300 km) of the vehicle according to the DC current value generated at the current position of the protrusion pin 1121.
  • the controller 200 If the second memory unit 230 stores the second current in the second memory unit 230, the controller 200 outputs a DC current value output from the driving speed sensing signal converter 1160 and an output time of the corresponding DC current value (for example, in units of seconds). May be calculated by referring to the tabled value in the second memory unit 230 to detect the current speed of the vehicle. In this case, when 4mA is output, the vehicle is in a stopped state, and when 20mA is output, the accelerator pedal 400 is positioned in a state capable of accelerating at the maximum speed of the vehicle (for example, 300 km).
  • the detected value may be calculated by the controller 200 to display the current speed value Km of the vehicle on the touch panel 130 so that the driver may know the current speed of the vehicle.
  • control unit 200 calculates the speed of the vehicle when an obstacle is detected within 100m ahead, and controls the touch panel 130 and the voice output unit 160 when the speed of the vehicle is 70 km or more. It outputs an obstacle detection related alarm and suppresses the accelerator pedal falling.
  • an alarm is output through the touch panel 130 and the voice output unit 160 and the accelerator control unit (The accelerator pedal unit 400 is raised (reverse direction) through 310 to make the vehicle impossible to accelerate and reduce speed, and the brake pedal 500 is lowered through the brake control unit 320 so that the vehicle can be stopped.
  • an alarm is output through the touch panel unit 130 and the voice output unit 160 and the accelerator pedal unit through the accelerator control unit 310. 400 is raised, as well as the brake pedal 500 through the brake control unit 320 is lowered to disable the acceleration of the vehicle to reduce the speed as well as to stop the vehicle so that the vehicle can be stopped in front of the obstacle 5m do.
  • the control unit 200 operates the accelerator control unit 310 and the brake control unit 320 at the same time to stop the vehicle.
  • the driver of the vehicle In the stopped state, the driver of the vehicle must travel to avoid obstacles in front of the vehicle, and thus, in the vehicle stopped state, the driver may select driving ignorance through the touch panel 130 to start driving regardless of the obstacle.
  • Such a program may be programmed and stored in the first memory unit 220 or the second memory unit 230 of the controller 200.
  • the rear sensor 1110 includes a rear left sensor 1111 for detecting a left situation behind the vehicle, a rear center sensor 1112 for detecting a central situation behind the vehicle, and a rear right side for detecting a right situation behind the vehicle. It consists of a sensor 1113.
  • the rear sensor 1110 may be configured as a general rear sensor that detects the distance between the obstacle and the obstacle with respect to the proximity obstacle at the rear of the vehicle, mainly from the front sensor 1100.
  • the rear sensor 1110 such that the obstacle detection distance is less than about 2m as the primary sends out an alarm through the voice output unit 160, the secondary to automatically stop. That is, within the proximity distance of about 50cm to 10cm in the rear of the vehicle by forcibly stopping the vehicle through the accelerator pedal 400 and the brake pedal 500 to prevent accidents when driving is immature or instantaneous mistakes.
  • the sensing unit 110, the traveling speed detector 120, the touch panel unit 130, the camera unit 140, the voice input unit 150, and the voice output unit 160 are provided.
  • the data storage unit 170, the wiper operation signal detection unit 180, the direction change signal detection unit 190, the deceleration / braking control unit 300, and the control unit 200 are applied when the vehicle main power is applied (when the vehicle is started). In the ON state, it is ON and is activated at the same time.
  • the sensing unit 110 may have a front or rear side and a side surface of another vehicle which may occur when the vehicle is traveling, left turn or right turn, U turn or rapid acceleration, or may be closer to the front of the vehicle within a predetermined distance or other vehicle. It detects various surrounding environments such as safety distance or close distance to other obstacles and weather changing conditions such as snow or rain affecting the driving of the vehicle.
  • the control unit 200 turns off the front left sensor 1101 and, conversely, the vehicle according to the turn signal.
  • the front right sensor 1102 is turned off.
  • the control unit 200 controls the rotation direction of the vehicle.
  • a program (RAM or ROM) configured to execute a set command only for sensing data within 5 m of sensing data input from the corresponding front sensor 1100 (either the front left sensor 1101 or the front right sensor 1102). Prevents unnecessary alarms or sudden braking of the vehicle by obstacles detected in the direction in which the vehicle does not rotate. At this time, the automatic braking command of the vehicle is performed on the sensing data within 5 m detected in the direction in which the vehicle rotates.
  • control unit 200 detects the sub-zero temperature by the weather state sensing sensor 1150 of the sensing unit 110, or when the wiper of the vehicle is operated more than two stages through the wiper operation signal detection unit 180 (the rain comes Automatically sets the distance that the vehicle should brake in front of obstacles twice as usual. For example, if the vehicle is normally stopped at least 5m ahead of the obstacle, the program is set to stop at 10m when the outside temperature of the vehicle is below zero or the vehicle wiper is operated more than two steps. Therefore, in the case of a lot of sub-zero temperatures or rain, the accelerator pedal 400 and the brake pedal 500 are operated in advance so that the accelerator pedal 400 and the brake pedal 500 can be stopped completely in front of the obstacle at about 10 m in front of the obstacle at the current speed. This minimizes the possibility that the vehicle can collide with obstacles.
  • the front sensor 1100 of the configuration of the sensing unit 110 By detecting the distance between the obstacle in front of the vehicle and the vehicle by the front sensor 1100 of the configuration of the sensing unit 110, in particular, it is possible to ensure the safe driving of the vehicle even in weather conditions such as fog, night.
  • the control unit 200 basically allows the accelerator control unit 310 of the vehicle to be raised in a snowy, rainy or subzero state, so that the vehicle may vary depending on the safety speed (for example, road conditions (highway, general road, etc.). In case of rain or snow, it can be reduced to 50% of normal speed.
  • the safety speed for example, road conditions (highway, general road, etc.). In case of rain or snow, it can be reduced to 50% of normal speed.
  • control unit 200 notifies the user of the sudden braking when the external temperature is below zero or the external temperature is an image but rainy weather by the weather state sensing sensor 1150, the touch panel unit 130 and the audio output unit 160. Can be output via This is because the vehicle and the people in the vehicle may be in a dangerous situation when the road is suddenly braked by the snow or the rain or the ice is frozen. The sudden braking may be selected by the driver through the touch panel 130.
  • unnecessary obstacles such as fallen leaves or paper may be detected by the front sensor 1100 of the sensing unit 110, and an alarm sounds through the touch panel unit 130 and the voice output unit 160.
  • the image input through 140 is displayed through the touch panel unit 130, so that the corresponding paper or fallen leaves are shown.
  • the touch panel unit 130 provides guidance on whether to perform a braking operation of the vehicle. By ignoring the braking operation, the vehicle can be operated normally without unnecessary operation such as sudden braking.
  • 3 and 4 are cross-sectional views illustrating an example in which an accelerator pedal is operated in a driving safety distance automatic control system for a vehicle according to an exemplary embodiment of the present invention.
  • description will be given with a focus on a relationship in which the accelerator control unit 310 actually operates.
  • FIG. 3 An operation example of the accelerator pedal 400 in FIG. 3 is a cross-sectional view illustrating an example in which the accelerator pedal 400 is operated before the accelerator control unit 310 moves up, and FIG. 4 is an accelerator of the deceleration / braking control unit 300.
  • the control unit 310 is a cross-sectional view showing an example in which the accelerator pedal 400 is raised.
  • the accelerator control unit 310 of the vehicle of the present invention is close to or other than the dangerous distance of the front or rear or side of the other vehicle that may occur when the vehicle is traveling forward, left turn, right turn, u-turn, or rapid acceleration.
  • obstacles are within a safe distance (within about 5 m), they have a mechanism that works according to weather conditions (sub-zero, snow, rain, fog, night, etc.).
  • the accelerator pedal 400 of the vehicle is operated by the first solenoid 311.
  • the accelerator pedal 400 may be operated up and down in the directions of arrows A1 to A2 by the accelerator control unit 310 when the vehicle is traveling.
  • the traveling speed detection sensor 1120 is configured to operate up and down along the guide groove 1122 according to the force applied to the accelerator pedal 400 by the protrusion pin 1121, which is applied to the lower side of the accelerator pedal 400. Therefore, normally, the protruding pin 1121 is positioned at one side of the lower part of the accelerator pedal 400, and when the accelerator pedal 400 is pressed, the protruding pin 1121 is operated up and down along the guide groove 1122, and the motion signal according to the vertical operation is controlled by the controller 200. Is sent to.
  • the transmission method may be an analog method, a pulse method, an RS method, a DC power supply method, and the like, and there is no need to limit in particular.
  • the solenoid 321 connected to the brake control unit 320 may be understood as described with reference to FIGS. 5 and 6. Can be understood to be controlled by becoming magnetic.
  • the accelerator control unit 310 supplies air to the first solenoid 311 and the first solenoid 311 and senses an internal air pressure when the air pressure rises or falls within a set pressure range, thereby detecting an air pressure.
  • An air compressor 312 having a pressure sensor 312a for transmitting to the 240 and a first supply port 313a through which the pneumatic air is supplied by the first solenoid 311 are provided.
  • a first discharge port 313b through which air is discharged is provided, and a piston rod 313c reciprocated from side to side by air supplied and discharged through the first supply port 313a and the first discharge port 313b is provided.
  • the lower side is hinged to the support plate 315 so that the other side is hinged, the link 316 to which the pin 316a is coupled, and is rotatable up and down so that the upper part supports the lower part of the accelerator pedal 400.
  • a pin feed groove 317a is coupled to the piston rod 313c of the pneumatic cylinder 313, and the pin 316a coupled to the other side of the link 316 hinged to one side thereof is formed, and the accelerator pedal 400 And a braking plate 317 which stops at a predetermined position and gives a braking force to the up and down operation.
  • the first supply port 313a and the first discharge port 313b serve as the supply port 313a when the air flow port 313b exhausts air when the flow direction of the air pressure is reversed.
  • the air compressor 312 is the pressure is adjusted according to the air pressure of the air tank, the set pressure (Kg / cm2) range, that is, 5 ⁇ 10 Kg / cm2 pressure is always maintained, the pressure inside the air tank in the pressure range When the pressure falls below this pressure range, the air compressor 312 is switched on. On the contrary, when the air pressure of the air tank reaches the set pressure range, the air compressor 312 is turned off.
  • the pressure (Kg / cm 2) may be determined by referring to a preset lookup table by a field test or an experiment by a program of the controller 200.
  • the air compressor 312 as described above is a pressure sensor when the pressure of the air tank rises or falls below the pressure range in the set pressure range, that is, the internal air pressure of the air tank rises above 10Kg / cm2 or falls below 5Kg / cm2 312a senses this and transmits an alarm signal to the air pressure detector 240, and the air pressure detector 240 receiving the alarm signal from the pressure sensor 312a transmits the corresponding alarm signal through the controller 200.
  • the controller 200 may prevent an accident by informing the driver of an abnormality of the air compressor 312 by sounding an alarm sound through the voice output unit 160.
  • the air pressure of the air compressor 312 as described above provides a pressure to maintain the up to a fixed state of the accelerator pedal 400 by the up and down operation with respect to the accelerator pedal 400.
  • the brake plate 317 automatically operates up and down by the operation of the accelerator control unit 320 according to the distance between the vehicle and the obstacle and the traveling speed signal. Therefore, the accelerator control unit 310 applies the braking force to the accelerator pedal 400 by controlling the up and down operation of the accelerator pedal 400 with the brake plate 317. At this time, since the accelerator pedal 400 is forcibly raised, the braking force with respect to the accelerator pedal 400 is stopped while maintaining the state in which the accelerator control unit 310 is raised.
  • the accelerator control unit 310 includes a second supply hole 319a through which the air is supplied through the air compressor 312 by the second solenoid 318 and the second solenoid 318. Is provided with a second discharge port (319b) is discharged up and down by the air discharged through the second supply port (319a) and the second discharge port (319b) to support the lower portion of the accelerator pedal 400 And a second pneumatic cylinder 319 provided with a piston support rod 319c.
  • FIG. 7 and 8 are cross-sectional views illustrating a relationship in which the brake control unit 320 of the deceleration / braking control unit 300 actually operates in the automatic driving safety distance control system for a vehicle according to an exemplary embodiment of the present invention.
  • the mechanism of the brake control unit 320 acting on the brake pedal 500 as shown in FIGS. 7 and 8 is configured to operate on a principle similar to the mechanism of the accelerator control unit 310.
  • Figure 5 and Figure 6 shows that when the vehicle driver presses the brake pedal 500 in the direction of the arrow B1 while driving in the normal state, the pneumatic cylinder 323 prevents the brake control unit 320 from any operation. 323c and the primary link 324 and secondary link 325 is in operation.
  • 7 and 8 illustrate that the brake control unit 500 is operated by operating the brake control unit 320 regardless of the driving intention of the vehicle driver according to the conditions given through the sensing unit 110 of the vehicle.
  • the brake control unit 320 is operated so that the piston rod 323c of the pneumatic cylinder 323 is operated in the direction of arrow B2, and again in the direction opposite to B2 to operate the first link 324 and the first. As the two links 325 are operated, the brake pedal 500 operates up and down.
  • the brake control unit 320 supplies air to the solenoid 321 and senses the air pressure therein when the air pressure rises or falls in the set pressure range, and controls the control unit 200 through the air pressure detector 240.
  • An air compressor 322 having a pressure sensor 322a for transmitting an alarm signal to the air compressor 322 and a supply port 323a through which the pneumatic air is supplied by the solenoid 321 are provided.
  • a pneumatic cylinder 323 is provided, and the pneumatic cylinder 323 is provided with a piston rod 323c reciprocated from side to side by the air discharged through the supply port 323a and the outlet 323b, and the pneumatic cylinder And a first link 324 and a second link 325 hinged between the piston rod 323c and the brake pedal 500 of 323.
  • the brake control unit 320 configured as described above receives the operation signal from the control unit 200 through the brake control unit 320 of the deceleration / braking control unit 300 in the same manner as the operation of the accelerator control unit 310.
  • the solenoid 321 is operated by the controller 320.
  • the solenoid 321 operated as described above operates the air compressor 322 which compresses and supplies air at a constant pressure, and the air of the air compressor 322 operated as described above is supplied through the supply port 323a. Supply the pneumatic cylinder 323 to operate.
  • the solenoid 321 operates the pneumatic cylinder 323 by using the air compressor 322 to operate the piston rod 323c of the pneumatic cylinder 323 to operate the first link 324 and the second link 325. ) Will operate the brake pedal 500.
  • the supply port 323a and the discharge port 323b serve as the supply port 323a when the air pressure flow port 323b exhausts the air pressure in the reverse direction.
  • the air compressor 322 is in the same pressure range as the air compressor 312 of the accelerator control unit 310 when the pressure of the air tank rises or falls below the pressure range, that is, the internal air pressure of the air tank 10Kg
  • the pressure sensor 322a senses the pressure and transmits an alarm signal to the control unit 200 through the air pressure detector 240, and sends an alarm signal from the pressure sensor 322a.
  • the control unit 200 may prevent an accident by notifying the driver of an abnormality of the air compressor 322 by sounding an alarm sound through the voice output unit 160.
  • the brake lock sensor 1140 (see FIG. 2) that senses the position of the brake pedal 500 when the vehicle is stepping on the brake pedal 500 when driving or stopping while driving uphill or downhill road is operated.
  • the brake lock sensor 1140 transmits a signal to the control unit 200 to transmit a signal to the solenoid 321 of the brake control unit 320 so that the brake pedal 500 is locked, that is, the driver presses the brake pedal 500. ) Will be fixed.
  • the driver may stop the vehicle on the uphill road or the downhill road even when the driver does not step on the brake pedal 500.
  • the brake lock release sensor 1130 installed in the accelerator pedal 400 as shown in FIG. 2 (FIG. 2). Reference) is operated to transmit an operation signal to the control unit 200, the control unit 200 transmits a signal to the solenoid 321 of the brake control unit 320 to unlock the brake pedal 500 and at the same time the accelerator The vehicle is driven forward by the operation of the pedal 400.
  • the vehicle remains stopped even when the driver does not continuously press the brake pedal 500, and the accelerator pedal ( As the vehicle 400 is operated, the vehicle is driven forward while the brake pedal 500 is unlocked, thereby preventing the vehicle from being pushed backward.
  • FIG. 9 is a cross-sectional view illustrating a state in which an accelerator control unit 310 operates according to an operation signal of a wiper operation signal detector 180 according to a weather change in an automatic driving safety distance control system of a vehicle according to the present invention.
  • the wiper operation signal detector 180 transmits a signal to the controller 200, and the controller 200 controls the accelerator controller 310.
  • the second solenoid 318 of) is operated.
  • the compressed air of the air compressor 312 is supplied through the second supply port 319a of the second pneumatic cylinder 319 and the second discharge port is opened. 319b is closed so that the piston support rod 319c is operated upward to move the brake plate 317 to the top, that is, to 50% position.
  • the second pneumatic cylinder 319 of the accelerator control unit 310 is operated to decelerate the vehicle.
  • the accelerator control unit The second pneumatic cylinder 319 of 310 may be accelerated in a slow direction while preventing rapid acceleration of the vehicle in the operated state.
  • the braking distance of the vehicle is much longer than that under normal weather conditions, so that a collision accident may occur due to sliding during sudden braking of the vehicle by the operation of the brake control unit 320.
  • the temperature outside the vehicle is an image by the weather state sensor 1150 of the external sensing device but it is rainy or below zero, the second pneumatic cylinder of the accelerator control unit 310 operates even if the driver operates the wiper of the vehicle.
  • the operation of the brake control unit 320 is programmed to be forcibly stopped, it is preferable to allow the vehicle to slow down at an appropriate speed while preventing sudden braking of the vehicle.
  • the weather state sensing sensor 1150 may be configured as a sensor for detecting a temperature (image, sub-zero) outside the vehicle, a sensor for detecting rain, and the like.
  • the wiper operation signal detector 180 transmits the wiper lever operation stop signal to the controller 200, and the controller 200 transmits an operation signal to the second solenoid 318 to support the piston of the second pneumatic cylinder 319.
  • the rod 319c is reset to release the operation of the accelerator pedal 400.
  • the accelerator control unit 310 in the vehicle driving safety distance automatic control system is a mechanism for controlling the deceleration of the vehicle by raising the brake plate 317 relative to the accelerator pedal 400, and the brake control unit Mechanism 320 acts on the brake pedal 500 to control the braking of the vehicle to ensure a safe distance (within about 5m) against obstacles when the vehicle is running.
  • FIG. 10 is a flowchart illustrating an automatic control method for deceleration, automatic control and braking of a vehicle according to an exemplary embodiment of the present invention.
  • the control method of the vehicle's driving safety distance automatic control system initializes all sensing signals in the sensing unit 110 when the main power of the vehicle is first applied (S20). .
  • control unit 200 electrically connected to the sensing unit 100 determines whether the deceleration / braking control unit 300 is switched on (S30).
  • control unit 200 is the front left sensor 1101 and the front right sensor 1102 of the sensing unit 100 when the deceleration / braking control unit 300 is switched on (ON), the weather sensing sensor 1150 ) Senses the obstacle and the weather change in the vicinity of the vehicle itself (S40).
  • step S40 of sensing the obstacle and the weather change when the vehicle driver operates the wiper of the vehicle when the rain or snow comes, the wiper operation signal detecting unit 180 operates to step by step according to a preset program of the wiper of the vehicle.
  • a stepped signal corresponding thereto may be provided to the control unit 200 to drive the deceleration / braking control unit 300.
  • the calculation unit 210 of the control unit 200 calculates the distance between the vehicle and the obstacle detected in the sensing step S40 (S50). That is, the calculator 210 of the controller 200 reads the sensing signal of the obstacle input from the sensing unit 110, and thus calculates a distance to the obstacle.
  • the controller 200 determines whether the calculated distance to the calculated obstacle (front object) exceeds the reference value. That is, it is determined whether the obstacle is closer than the reference value or farther than the reference value (S60).
  • the brake plate 317 of the accelerator control unit 310 operates. For example, the braking plate 317 automatically moves up according to the set distance, and on the contrary, if the braking plate 317 is out of the distance of the reference distance value, the braking plate 317 returns to its original position.
  • the braking plate 317 is set to decelerate the traveling speed by 50% compared to the reference speed set in the lookup table so that the speed of the traveling vehicle is forcibly reduced.
  • the control unit 200 performs a control command for the accelerator pedal 400 connected to the accelerator control unit 310 by referring to a look-up table for automatically controlling the braking of the vehicle, which is programmed and stored in the vehicle. The operation of the vehicle's automatic control device is started.
  • the controller 200 initializes all the variables stored in the internal memory (S20) and then determines whether the deceleration / braking control unit 300 is turned on (S30). ).
  • the deceleration / braking control unit 300 may be configured as a switch for the driver to selectively turn on / off braking as needed.
  • the deceleration / braking control unit 300 is off, acceleration and deceleration to braking are automatically performed. Not controlled. That is, when the deceleration / braking control unit 300 is off, the controller 200 continuously determines whether the deceleration / braking control unit 300 is switched on. However, when the deceleration / braking control unit 300 is switched on (ON), the control unit 200 is an obstacle to the front left sensor 1101 and the front right sensor 1102 to detect a front object (obstacle). When approaching the sensing signal, the sensing unit 110 senses it (S40), converts it into an electrical signal, and outputs it to the control unit 200.
  • the accelerator control unit 310 operates the brake plate 317 by the control unit 200 and the brake plate 317 is upper
  • the accelerator pedal 400 is automatically moved up and down to move to the first position by moving to (S70).
  • the accelerator pedal 400 is automatically operated up and down to the first stop position, and the brake control unit 320 is operated at this time to operate the brake pedal 500 (S80).
  • the control unit 200 transmits a control command to the brake control unit 320 to operate the solenoid 321 to operate the pneumatic cylinder.
  • 323 is activated. Accordingly, the pneumatic cylinder 323 is operated to operate the piston rod 323c connected to the primary link 324 and the secondary link 325 while the brake pedal 500 operates to stop the vehicle.
  • the vehicle equipped with the automatic driving safety distance control system of the vehicle of the present invention is approaching a dangerous distance from other vehicles that may occur when driving forward, left turn or right turn, or U-turn and rapid acceleration.
  • the mechanical mechanism by the operation command of the controller 200 is operated by the accelerator control unit 310 with respect to the accelerator pedal 400, and accordingly the Stop the descent to slow down the vehicle.
  • FIG. 11 is a flowchart illustrating a method in which the accelerator control unit 310 of the automatic brake device for controlling the accelerator pedal moves up in the vehicle safety management method according to an exemplary embodiment of the present invention.
  • the accelerator control unit 310 When the accelerator control unit 310 receives an operation signal (S702), the first solenoid 311 of the accelerator control unit 310 is operated by the operation signal of the input terminal through the electrical signal line of the control unit 200 by the air compressor ( The first supply port 313a is opened in accordance with a constant air pressure supplied or exhausted from 312, and the outlet port 313b is closed by an operation signal of the output end to drive the pneumatic cylinder 313 by operating the internal piston rod 313c. (S704).
  • the pneumatic cylinder 313 moves an internal piston rod 313c and a link 316 connected to the piston rod 313c (S706), and lifts the brake plate 317 connected to the link 316. That is, the accelerator control unit 310 operates the brake plate 317 by the first solenoid 311 according to the operation signal calculated by the calculation unit 210 of the control unit 200 (S708).
  • the brake plate 317 pushes up the accelerator pedal 400 located in the upper direction to control the operation of the accelerator pedal 100 (S710).
  • the accelerator pedal 400 is moved upward by the brake plate 317 to reduce the speed of the vehicle.
  • FIG. 12 is a flowchart illustrating a method of operating a brake pedal after an accelerator pedal is operated in a vehicle driving distance automatic control method according to an embodiment of the present invention.
  • the method of operating the brake pedal in FIG. 12 is the same as the process of operating the accelerator pedal of FIG. 11, and thus a detailed process thereof will be omitted.
  • control unit 200 commands the brake control unit 320 through the solenoid 321 regardless of the driving intention of the vehicle driver. Operate the pneumatic cylinder 323 (S802).
  • the accelerator pedal 400 and the brake pedal 500 are returned to their original state according to the command of the control signal of the controller 200.
  • the brake plate 317 for operating 400 and the piston rod 323c for operating the brake pedal 500 are returned to their original positions.
  • the mechanical mechanism for controlling the speed of the vehicle by pushing the accelerator pedal 400 is controlled by other vehicles or other obstacles within the safety distance when the vehicle is traveling forward, left, right, or U-turn and rapid acceleration. Operate before approaching to prevent collisions with obstacles.
  • FIG. 13 is a block diagram illustrating a case in which the vehicle safety management system according to the present invention is configured as a programmable logic controller (PLC).
  • PLC programmable logic controller
  • the PLC 2000 basically includes a memory unit 2010, an input unit 2020, an output unit 2030, and a controller 2040. It is composed of
  • the memory unit 2010 of the PLC 2000 may include a RAM and a ROM.
  • the memory unit 2010 may input various data related to vehicle driving safety through the loader 2800.
  • the loader 2800 may be a personal computer (PC) or a notebook.
  • PC personal computer
  • Such a loader 2800 may be used when a program is input to the memory unit 2010, when a program is upgraded, or when it is updated. It is.
  • the input unit 2020 includes a touch switch 2100 for detecting an input of a touch screen, a wiper operation signal detector 180, a direction change signal detector 190, a traveling speed detection sensor 1120, and a brake lock release sensor 1130. ), A proximity lock 2200 for detecting signals from the pressure sensors 312a and 322a of the brake lock sensor 1140, the weather sensing sensor 1150, and the accelerator controller 310 and the brake controller 320, respectively; It receives an input signal from the sensor switch 2300 for detecting a signal from the front sensor 1100.
  • each sensing signal converter 1103 and 1104 received a corresponding pulse.
  • 6 MSB (6 most significant byte) and 6 LSB (least significant byte) for the signal are combined into range data (RANGE DATA) and input to the input unit 2020 by USB.
  • the controller 2040 outputs a command for safety management of the vehicle through the output unit 2030 according to a signal input through the input unit 2020 and a program stored in the memory unit 2010. That is, the range data input from the sensing signal converters 1103 and 1104 is interpreted according to a program stored in the memory unit 2010 to calculate the distance between the vehicle and the obstacle.
  • the output unit 2030 is a vehicle through the vehicle guide output unit 2400 (voice output unit), the solenoid 2500 (electronic case) or the pneumatic valve 2600 and the auxiliary relay 2700 for performing vehicle safety-related guidance Outputs safety-related program control commands.
  • control unit 2040 may calculate the distance between the vehicle and the obstacle, and according to the result of calculating the distance between the vehicle and the obstacle, the vehicle guide output unit 2400 (voice output unit), the solenoid 2500 (electronic type) or the pneumatic valve 2600 and the auxiliary relay. (2700) to implement a vehicle safety management program.
  • FIG. 14 is a flowchart illustrating a program scanning method for vehicle safety management using the vehicle safety management system according to the present invention.
  • the input image region refresh is performed to read the state of the input module and store it in the input image region before starting the operation of the program (S110).
  • 15 is a flowchart illustrating an embodiment of a vehicle safety management method for vehicle safety management using the vehicle safety management system according to the present invention.
  • the run mode when power is supplied to the vehicle (start-up on) or reset through the touch panel unit 130, the run mode is started. Accordingly, when the run mode is started, the vehicle controller starts the first scan as shown in FIG. 12 (S200).
  • the program checks whether the programs can be executed by checking the flexibility of the program (S220).
  • the input image region refresh is performed to read the state of the input module and store it in the input image region before starting the operation of the program (S230).
  • various modules of the mounting module that is, the sensing unit 110, the traveling speed detector 120, the touch panel 130, the camera 140, the voice input unit 150, the voice output unit 160, and the data storage unit
  • the wiper operation signal detection unit 180, the direction change signal detection unit 190, the deceleration / braking control unit 300, etc. are normal.
  • the information of the non-recoverable module is output through the touch panel unit 130 (S290), and the corresponding function is excluded (S300).
  • the changed vehicle driving mode is performed (S330).
  • 16 is a flowchart illustrating an embodiment of a safety management method for driving a vehicle in a vehicle safety management method according to the present invention.
  • the safety management method during vehicle driving determines whether an obstacle is detected while driving the vehicle (S400).
  • the calculation result determines whether the distance between the vehicle and the obstacle is within 100 m (S420).
  • the vehicle speed is less than 70Km to more than 40Km in the state that the operation distance (S430), the distance to the obstacle is within 100m (S460).
  • 17 is a flowchart illustrating another embodiment of a safety management method for driving a vehicle in a vehicle safety management method according to the present invention.
  • Vehicle Safety Management Method when driving a car is related to weather condition sensing and senses a weather condition in a vehicle driving mode (S600) (S610).
  • the deceleration condition of the weather condition is to determine whether the outside temperature is an image but whether it is raining or the outside temperature is below zero.
  • the sudden braking prevention is set, and the braking prevention is guided through the touch panel unit and the voice output unit (S680).
  • FIG. 18 is a flowchart illustrating a vehicle theft prevention method of the vehicle safety management method according to the present invention.
  • Vehicle anti-theft method of the vehicle safety management method according to the invention when the vehicle is started (S700), the control unit 200 requests to enter a password through the touch panel 130 and the voice output unit 160. (S710).
  • the captured image is stored in the data storage unit 170 (S760), and if necessary to be later requested by the investigative agency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention concerne un système de commande de sécurité d'un véhicule qui intègre une fonction antivol, une fonction de fonctionnement sûr au cours du trajet, une fonction de fonctionnement sûr en marche arrière ou lors d'une manoeuvre de stationnement, et une fonction de décélération automatique en fonction de conditions météorologiques. Le système permet ainsi d'améliorer un fonctionnement sûr d'un véhicule en fonction d'un programme prédéfini et d'éviter des accidents au cours d'un trajet.
PCT/KR2009/001238 2008-03-17 2009-03-12 Système de commande de sécurité d'un véhicule et procédé de commande de sécurité d'un véhicule utilisant ledit système WO2009116747A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0024557 2008-03-17
KR1020080024557A KR100966860B1 (ko) 2008-03-17 2008-03-17 차량의 주행 안전거리 자동제어 시스템 및 그 운용방법

Publications (2)

Publication Number Publication Date
WO2009116747A2 true WO2009116747A2 (fr) 2009-09-24
WO2009116747A3 WO2009116747A3 (fr) 2009-12-10

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CN102542803A (zh) * 2011-12-27 2012-07-04 四川川大智胜软件股份有限公司 无线传输通用车辆检测器输出接口转换器的实现方法
CN102568203A (zh) * 2011-12-27 2012-07-11 四川川大智胜软件股份有限公司 通用车辆检测器输出接口转换器
CN110539634A (zh) * 2015-07-10 2019-12-06 本田技研工业株式会社 紧急时车辆控制装置
CN110864705A (zh) * 2018-08-10 2020-03-06 小马智行 用传感器导轨选择性捕获自主车传感器数据的系统和方法

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KR102301100B1 (ko) * 2014-12-04 2021-09-10 현대모비스 주식회사 자동제동 시스템 및 그 동작방법
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102546842A (zh) * 2011-12-27 2012-07-04 四川川大智胜软件股份有限公司 无线传输通用车辆检测器接口板
CN102542803A (zh) * 2011-12-27 2012-07-04 四川川大智胜软件股份有限公司 无线传输通用车辆检测器输出接口转换器的实现方法
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CN110539634A (zh) * 2015-07-10 2019-12-06 本田技研工业株式会社 紧急时车辆控制装置
CN110864705A (zh) * 2018-08-10 2020-03-06 小马智行 用传感器导轨选择性捕获自主车传感器数据的系统和方法

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