CN115862418A - Intelligent network connection auxiliary driving automobile experiment platform - Google Patents
Intelligent network connection auxiliary driving automobile experiment platform Download PDFInfo
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- CN115862418A CN115862418A CN202211420350.4A CN202211420350A CN115862418A CN 115862418 A CN115862418 A CN 115862418A CN 202211420350 A CN202211420350 A CN 202211420350A CN 115862418 A CN115862418 A CN 115862418A
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Abstract
The invention discloses an intelligent networking assistant driving automobile experiment platform, which relates to the technical field of automobile occupation teaching, and comprises a movable automobile reduced chassis, a main control computer, a millimeter wave radar, an infrared camera, a GPS (global positioning system), an EPS (electric power storage) control system and the like, wherein the main control computer, the millimeter wave radar, the infrared camera, the GPS, the EPS control system and the like are arranged on the chassis; the intelligent networking vehicle simulation platform is rich in technology, achieves the technical functions of acceleration and deceleration, auxiliary steering, emergency braking, road sign identification and the like of a following front vehicle, is accessed to road traffic data sharing and road big data integration through a 5G cloud network, utilizes various sensors to assist safe driving of vehicles, is suitable for the application of the modern automobile intelligent networking automatic driving technology, and is used in practical training with development, scientific research and teaching.
Description
Technical Field
The invention belongs to the technical field of automobile occupation teaching, and particularly relates to an intelligent internet-assisted driving automobile experiment platform.
Background
Automation and informatization are the development trend of the world today, and along with the continuous progress of automation and informatization technology, robotics has emerged. Various industrial robots are developed by various research institutions and academic units, and intelligent trolleys are increasingly attracting attention as an important research direction in the industrial robots. Generally speaking, the intelligent trolley can automatically complete the tracking function according to a preset track, and can perform such detection tasks in some complicated and severe environments where people cannot work normally. At present, the intelligent trolley is widely applied to the fields related to national defense science and technology, industrial production, warehousing, logistics and the like, and plays a great role.
At present, with the great development of automobile technology and internet of things technology, automobiles become more and more intelligent, through the deep combination with the internet of things technology, the automatic driving function of the automobiles is more and more perfect, and the automobiles with the automatic driving function gradually enter the lives of people. Among them, C-V2X (Cellular Vehicle-to-event, supporting communication between networked vehicles and other "networked" road users and infrastructure) is an essential technical route for achieving high-level automated driving. Research and development mechanisms, internet and telecommunication companies of all automobile enterprises are dedicated to research and development of intelligent networked automobiles, and professional construction and laboratory construction of the intelligent networked automobiles are also very important for all colleges and universities.
The research and development or experimental teaching of the intelligent networked automobile requires an experiment and verification system of the intelligent networked automobile, and the demonstration and evolution of the technical scheme are realized by simulating and verifying the automatic driving technology (including obstacle identification, autonomous route planning and the like) in the system. To the aspect of teaching, through setting up experiment teaching system, can increase the student to the understanding of autopilot technique, simulate the real situation through experiment teaching system, will help promoting the student to the mastery ability of relevant knowledge such as autopilot theory, real control and thing networking.
At present, an experimental system of an intelligent internet automobile is generally single experimental equipment with a camera or a radar (a laser radar or a millimeter wave radar), the experimental equipment is static, comprehensive experimental verification can not be carried out on the intelligent internet automobile dynamically under the environment of vehicle-road cooperation, and the difference between the experimental system and the intelligent internet automobile in a real environment is large. Therefore, it is necessary to develop and design an intelligent networked automobile experiment system with more real and comprehensive experiment functions, which improves the development and experiment capabilities of the intelligent networked automobile and simultaneously improves the practical ability and innovation consciousness of the trainees by dynamically simulating and verifying the operation condition, control algorithm, component performance and comprehensive performance of the intelligent networked automobile in a real environment.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, provides an intelligent networking driving-assistant automobile experiment platform, solves the problems of data transmission and calculation accuracy control of general intelligent networking automobiles, accesses road traffic data sharing and integrates traffic transportation road big data through the extreme speed transmission characteristic of a 5G cloud network, and assists safe driving of vehicles by using 5 automobile driving-assistant sensors.
The invention adopts the following technical scheme for solving the technical problems:
an intelligent network connection driving-assisting automobile experiment platform comprises a movable automobile reduced chassis, a main control computer arranged on the movable automobile reduced chassis, and a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS (global positioning system), a communication module, an alarm module, a display module and an EPS (electric power storage) control system which are respectively connected with the main control computer;
the millimeter wave radar is used for continuously scanning a road in front of the vehicle;
the wheel speed sensor is used for acquiring a vehicle speed signal;
the infrared camera is used for acquiring road traffic data;
the GPS positioning system is used for positioning in real time;
the communication module is used for connecting the vehicle with the satellite, accessing road traffic data sharing through a 5G cloud network and integrating road big data;
the display module is used for displaying data collected by the millimeter wave radar, the wheel speed sensor, the infrared camera and the GPS;
the alarm module is used for giving out collision warning;
the EPS control system is used for determining the magnitude and the direction of the steering assistance according to signals transmitted by the torque sensor and the speed of the automobile and driving a motor to assist steering operation;
the main control computer is used for realizing the technical functions of acceleration and deceleration, auxiliary steering, emergency braking and road sign identification of a following front vehicle, accessing road traffic data sharing and integrating road big data through a 5G cloud network, and assisting the safe driving of the vehicle by using various sensors.
As a further preferred scheme of the intelligent internet-assisted driving automobile experimental platform, the communication module comprises a wireless communication technology and a wired communication technology;
the wireless communication technology comprises a satellite communication technology, a Bluetooth communication technology, a radio frequency communication technology, a WIFI communication technology and a mobile communication technology, and the wired communication technology comprises a double-wire vehicle-mounted network communication technology and a single-wire vehicle-mounted network communication technology;
wherein, the satellite communication technology: the device is used for receiving, processing, analyzing and using satellite technology and is provided with a mushroom head receiver, an antenna and a satellite tester;
the Bluetooth communication technology: the system comprises a kernel protocol layer, a cable replacement protocol layer, a control protocol layer and a protocol layer, and is used for completing short-distance signal transmission and reception with low power consumption requirement and realizing the control of relevant hardware of the vehicle;
radio frequency communication technology: the intelligent key is matched, one-key starting and remote control technologies can be completed through a radio frequency technology, and the processes of transmitting, converting, controlling and the like of radio frequency signals are completed;
WIFI communication technology: the industrial personal computer is internally provided with a 4G flow card, the chip supports 5 data streams, the data rates can respectively reach 450Mbps and 600Mbps, and the chip is used for controlling and processing WIFI communication;
mobile communication technology: customizing a communication protocol to finish interaction and control of communication, and specifically comprising the following steps:
(1) Any node is required to initiate data communication to any node or a plurality of nodes, the communication order is determined according to the priority sequence of the information of each node, and the information of the nodes with high priority is communicated in 134 mu s;
(2) When a plurality of nodes initiate communication simultaneously, the avoidance priority with low priority is high, and the communication line is not congested;
(3) The communication distance can reach 10KM at the farthest, the speed can reach 1Mbps, and the communication gateway is provided.
As a further preferable scheme of the intelligent network connection driving-assisted automobile experiment platform, the display module adopts a teaching screen and is used for data transmitting, receiving, diagnosing, information processing and program modification.
As a further preferable scheme of the intelligent networking driving-assisted automobile experiment platform, the collision warning comprises front collision warning, pedestrian collision warning, lane departure warning, and vehicle distance monitoring and warning;
wherein the frontal collision warning: when a collision with a vehicle in front is possible, an alarm is given 2 seconds in advance;
the operation conditions are as follows: the system is always in an operating state when being started;
warning mode: a red vehicle icon comprising a series of high volume beeps and flashing on the display;
pedestrian collision warning: when collision with a pedestrian in front is possible, an alarm is given to the pedestrian;
the operation conditions are as follows: the pedestrian collision early warning function operates when the vehicle speed is 1-50 Km/h;
the warning mode comprises the following steps: a red pedestrian icon comprising a series of high volume beeps and flashing on the display;
lane departure warning: when you are not in the way of the lane, the warning is given to you, if you use the direction lamp when changing,
no alarm is issued;
the operation conditions are as follows: and is in an activated state when the speed is higher than 55 km/h.
The warning mode comprises the following steps: comprises a series of short-time high-volume buzzes and flashing left or right deviation alarm indicator lights on a display;
vehicle distance monitoring and warning: the distance between the user and the vehicle in front can be displayed, and if the user approaches the set distance, the function gives a danger alarm to the user;
the operation conditions are as follows: displaying a vehicle icon whenever a vehicle in front is detected, but displaying a digital vehicle distance and giving an alarm only when the vehicle speed is higher than 30 km/h;
and when the distance is equal to or smaller than a preset distance time threshold value, once buzzing is performed.
As a further preferred scheme of the intelligent internet-assisted driving automobile experimental platform, the intelligent internet-assisted driving automobile experimental platform further comprises a power module, wherein the power module is respectively connected with a main control computer, a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS (global positioning system), a communication module, an alarm module, a display module and an EPS (electric power storage) control system, and comprises a chip U1, a power supply B1, a capacitor C2, an inductor L1 and a voltage stabilizing diode D1; wherein, pin 1 of chip U1 respectively with power B1's positive pole, electric capacity C1's one end, power B1's negative pole ground connection, electric capacity C1's other end ground connection, chip U1's pin 3 ground connection, chip U1's pin 5 ground connection, chip U1's pin 2 respectively with zener diode D1's negative pole, inductance L1's one end, zener diode's positive pole ground connection, inductance L1's the other end respectively with electric capacity C2's one end, chip U1's pin 4 and Output end are connected, electric capacity C2's the other end ground connection.
As a further preferable scheme of the intelligent network-connected driving-assistant automobile experiment platform, the main control computer comprises a single-chip microcomputer control module, and the single-chip microcomputer control module comprises a chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a crystal oscillator X1, a switch S1, a resistor R2, a resistor R3 and a resistor R4; one end of the capacitor C3 is connected to one end of the crystal oscillator X1 and a pin 19 of the chip U2, the other end of the crystal oscillator X1 is connected to one end of the capacitor C4 and a pin 18 of the chip U2, the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, one end of the resistor R5 is connected to one end of the capacitor C5, one end of the switch S1 and a pin 9 of the chip U2, the other end of the resistor R5 is grounded, the other end of the capacitor C5 is connected to the VCC terminal and the other end of the switch S1, one end of the resistor R1 is connected to a pin 39 of the chip U2, the other end of the resistor R1 is connected to the VCC terminal, one end of the resistor R2 is connected to a pin 38 of the chip U2, the other end of the resistor R2 is connected to the VCC terminal, one end of the resistor R3 is connected to a pin 37 of the chip U2, the other end of the resistor R3 is connected to the VCC terminal, one end of the resistor R4 is connected to a pin 36 of the chip U2, and the other end of the resistor R4 is connected to the VCC terminal.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
the invention relates to an intelligent network connection auxiliary driving automobile experiment platform, which comprises a movable automobile reduced chassis, a main control computer, a millimeter wave radar, an infrared camera, a GPS (global positioning system), an EPS (electric power storage) control system and the like, wherein the main control computer, the millimeter wave radar, the infrared camera, the GPS, the EPS control system and the like are arranged on the chassis; the platform simulates the intelligent internet of vehicles, is rich in technology, realizes the technical functions of acceleration and deceleration of a vehicle before following, auxiliary steering, emergency braking, road sign identification and the like, is accessed to road traffic data sharing through a 5G cloud network, integrates road big data, utilizes various sensors to assist safe driving of the vehicle, is suitable for the application of the modern intelligent internet of vehicles automatic driving technology, is used with development, scientific research and teaching practical training, solves the problems of general intelligent internet of vehicles data transmission and calculation precision control, is accessed to the road traffic data sharing through the characteristic of 5G cloud network extreme speed transmission, integrates the road big data of traffic transportation, utilizes 5 automobile auxiliary driving sensors to assist safe driving of the vehicle, and is suitable for the application of the modern intelligent internet of vehicles automatic driving technology and the practical training teaching of automatic driving development.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the technical solution description are briefly described below. It is obvious that the following figures are only one embodiment of the invention, and that for a person skilled in the art, other figures can be obtained on the basis of these figures without inventive step.
FIG. 1 is a schematic diagram of an intelligent networking assisted driving automobile experimental platform;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a circuit diagram of the power module of the present invention;
fig. 4 is a circuit diagram of the single-chip microcomputer control module of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the technology of the invention is oriented to the field of automobile occupation teaching, and relates to an intelligent network-based auxiliary driving automobile experiment platform which is used for completing a self-adaptive navigation system, such as searching for an automobile following target and dynamically controlling the automobile following.
The method is used for structure recognition, principle analysis and data detection learning, a vehicle distance sensor (radar) continuously scans the road in front of the vehicle, and meanwhile, a wheel speed sensor collects a vehicle speed signal.
When the distance between the vehicle and the front vehicle is too small, the ACC control unit can appropriately brake the wheels and reduce the output power of the engine through the coordination action of the anti-lock braking system and the engine control system, so that the vehicle and the front vehicle can always keep a safe distance.
The adaptive cruise control system normally limits the braking deceleration to a level that does not affect comfort when controlling the vehicle braking, and the ACC control unit gives an audible and visual signal to inform the driver of the active braking action when a greater deceleration is required. When the distance between the vehicle and the front vehicle is increased to a safe distance, the ACC control unit controls the vehicle to run according to the set vehicle speed.
The intelligent network connection automatic driving auxiliary driving automobile training platform comprises a movable automobile reduced chassis, a main control computer, a millimeter wave radar, an infrared camera, a GPS (global positioning system), an EPS (electric power storage) control system and the like which are installed on the chassis, wherein a 5G transmission system connects a vehicle with a satellite, and the main control computer performs comprehensive analysis by receiving data of each working condition sensor so as to control automatic driving of the vehicle. The intelligent networking vehicle simulation platform is rich in technology, achieves the technical functions of acceleration and deceleration, auxiliary steering, emergency braking, road sign identification and the like of a following front vehicle, is accessed to road traffic data sharing and road big data integration through a 5G cloud network, utilizes various sensors to assist safe driving of vehicles, is suitable for the application of the modern automobile intelligent networking automatic driving technology, and is used in practical training with development, scientific research and teaching.
The intelligent networking automobile data transmission and calculation precision control system solves the problems of general intelligent networking automobile data transmission and calculation precision control, accesses road traffic data sharing and integrates traffic transportation road big data through the characteristic of 5G cloud network extremely-speed transmission, utilizes 5 automobile auxiliary driving sensors to assist safe driving of vehicles, and is suitable for modern automobile intelligent networking automatic driving technology application and automatic driving development scientific research teaching practical training.
The specific embodiment is as follows:
an intelligent network-connection driving-assisting automobile experiment platform is shown in fig. 1 and comprises a movable automobile reduced-version chassis, a main control computer arranged on the movable automobile reduced-version chassis, and a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS (global positioning system) positioning system, a communication module, an alarm module, a display module and an EPS (electric power storage) control system which are respectively connected with the main control computer;
the millimeter wave radar is used for continuously scanning a road in front of the vehicle;
the wheel speed sensor is used for acquiring a vehicle speed signal;
the infrared camera is used for acquiring road traffic data;
the GPS positioning system is used for positioning in real time;
the communication module is used for connecting the vehicle with the satellite, accessing road traffic data sharing through a 5G cloud network and integrating road big data;
the display module is used for displaying data collected by the millimeter wave radar, the wheel speed sensor, the infrared camera and the GPS;
the alarm module is used for giving out collision warning;
the EPS control system is used for determining the magnitude and the direction of the steering assistance according to signals transmitted by the torque sensor and the speed of the automobile and driving a motor to assist steering operation;
the main control computer is used for realizing the technical functions of acceleration and deceleration, auxiliary steering, emergency braking and road sign identification of a following front vehicle, accessing road traffic data sharing and integrating road big data through a 5G cloud network, and assisting the safe driving of the vehicle by using various sensors.
The communication module comprises a wireless communication technology and a wired communication technology;
the wireless communication technology comprises a satellite communication technology, a Bluetooth communication technology, a radio frequency communication technology, a WIFI communication technology and a mobile communication technology, and the wired communication technology comprises a double-line vehicle-mounted network communication technology and a single-line vehicle-mounted network communication technology;
wherein, the satellite communication technology: the device is used for receiving, processing, analyzing and using satellite technology and is provided with a mushroom head receptor, an antenna and a satellite tester;
the Bluetooth communication technology: the cable replacement protocol layer (RFCOMM) control protocol layer (TCS-BIN) protocol layer (PPP, TCP, IP, CP/UDP, OBEX, irMC, WAP and WAE) of the kernel protocol layer (HCI, LMP, L2CAP and SDP), the low power consumption requires to complete the signal transmission and reception in a short distance (1 to 200 meters), and the control of the related hardware of the vehicle is realized;
radio frequency communication technology: the intelligent key is matched, one-key starting and remote control technologies can be completed through a radio frequency technology, and the processes of transmitting, converting, controlling and the like of radio frequency signals are completed;
WIFI communication technology: the industrial personal computer is internally provided with a 4G flow card, the chip supports 5 data streams, the data rates can respectively reach 450Mbps and 600Mbps, and the chip is used for controlling and processing WIFI communication;
mobile communication technology: customizing a communication protocol to finish interaction and control of communication, and specifically comprising the following steps:
(1) Any node is required to initiate data communication to any one or more nodes, the communication order is determined according to the priority sequence of the information of each node, and the information of the nodes with high priority is communicated at 134 mu s;
(2) When a plurality of nodes initiate communication at the same time, the avoidance priority with low priority is high, and the communication line is not congested;
(3) The communication distance can be as far as 10KM, the speed can reach 1Mbps, and the communication gateway is provided.
Description of the configuration:
1. the teaching screen 1 is provided for data transmission, reception, diagnosis, information processing and program modification.
2. The vertical detection platform: the panel adopts the aluminium-plastic panel 3D color printing circuit diagram, and the circuit diagram adopts the sketch formula circuit diagram, and the student can learn communication system through panel theory of operation and structure.
Technical function support:
1. and an intelligent networking communication technology resource library matched with the practical training platform is provided.
2, making the combination equipment and the actual maintenance according to a task work order form, making an actual photo of each module combination equipment, and dividing the wireless communication technology and the wired communication technology.
3. This real standard platform of intelligent networking autopilot driver assistance car, including the portable car reduce version chassis, install main control computer, millimeter wave radar, infrared camera, GPS positioning system, EPS control system etc. on the chassis, 5G transmission system is connected vehicle and satellite, and the main control computer carries out the integrated analysis through receiving each operating mode sensor data, and then control vehicle autopilot. The platform simulates the intelligent internet connection, is rich in technology, realizes the technical functions of acceleration and deceleration, auxiliary steering, emergency braking, road sign identification and the like of a front vehicle, accesses road traffic data sharing and integrates road big data through a 5G cloud network, utilizes various sensors to assist the vehicle to safely run, is suitable for the application of the current modern automobile intelligent internet connection automatic driving technology, and is used with development, scientific research and teaching practical training.
3. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the display module adopts a teaching screen and is used for data transmitting, receiving, diagnosing, information processing and program modification.
4. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the method is characterized in that: the collision warnings include a frontal collision warning, a pedestrian collision warning, a lane departure warning, a vehicle distance monitoring and warning;
wherein the frontal collision warning: when a collision with a vehicle in front is possible, an alarm is given 2 seconds in advance;
the operation conditions are as follows: the system is always in an operating state when being started;
warning mode: a red vehicle icon comprising a series of high volume beeps and flashing on the display;
pedestrian collision warning: when collision with a pedestrian in front is possible, an alarm is given to the pedestrian;
the operation conditions are as follows: the pedestrian collision early warning function operates when the vehicle speed is 1-50 Km/h;
warning mode: a red pedestrian icon comprising a series of high volume beeps and flashing on the display;
lane departure warning: when you are not in mind to deviate from the lane, you can be warned, if you use the direction lamp when changing,
no alarm is issued;
the operation conditions are as follows: and is in an activated state when the speed is higher than 55 km/h.
Warning mode: comprises a series of short-time high-volume buzzes and left or right deviation alarm indicator lights flashing on the display;
vehicle distance monitoring and warning: the distance between the user and the vehicle in front can be displayed, and if the user approaches the set distance, the function gives a danger alarm to the user;
the operation conditions are as follows: displaying a vehicle icon whenever a vehicle in front is detected, but displaying a digital vehicle distance and giving an alarm only when the vehicle speed is higher than 30 km/h;
and when the distance is equal to or smaller than a preset distance time threshold value, once buzzing is performed.
The device comprises a main control computer, a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS (global positioning system), a communication module, an alarm module, a display module and an EPS (electric power steering) control system, and further comprises a power module, wherein the power module is respectively connected with the main control computer, the millimeter wave radar, the wheel speed sensor, the infrared camera, the GPS, the communication module, the alarm module, the display module and the EPS control system, and comprises a chip U1, a power supply B1, a capacitor C2, an inductor L1 and a voltage stabilizing diode D1; wherein, pin 1 of chip U1 respectively with power B1's positive pole, electric capacity C1's one end, power B1's negative pole ground connection, electric capacity C1's other end ground connection, chip U1's pin 3 ground connection, chip U1's pin 5 ground connection, chip U1's pin 2 respectively with zener diode D1's negative pole, inductance L1's one end, zener diode's positive pole ground connection, inductance L1's the other end respectively with electric capacity C2's one end, chip U1's pin 4 and Output end are connected, electric capacity C2's the other end ground connection.
The main control computer comprises a single-chip microcomputer controller module, and the single-chip microcomputer controller module comprises a chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a crystal oscillator X1, a switch S1, a resistor R2, a resistor R3 and a resistor R4; one end of the capacitor C3 is connected to one end of the crystal oscillator X1 and a pin 19 of the chip U2, the other end of the crystal oscillator X1 is connected to one end of the capacitor C4 and a pin 18 of the chip U2, the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, one end of the resistor R5 is connected to one end of the capacitor C5, one end of the switch S1 and a pin 9 of the chip U2, the other end of the resistor R5 is grounded, the other end of the capacitor C5 is connected to the VCC terminal and the other end of the switch S1, one end of the resistor R1 is connected to a pin 39 of the chip U2, the other end of the resistor R1 is connected to the VCC terminal, one end of the resistor R2 is connected to a pin 38 of the chip U2, the other end of the resistor R2 is connected to the VCC terminal, one end of the resistor R3 is connected to a pin 37 of the chip U2, the other end of the resistor R3 is connected to the VCC terminal, one end of the resistor R4 is connected to a pin 36 of the chip U2, and the other end of the resistor R4 is connected to the VCC terminal.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides an intelligence networking driver assistance car experiment platform which characterized in that: the system comprises a movable automobile reduced chassis, a main control computer arranged on the movable automobile reduced chassis, and a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS positioning system, a communication module, an alarm module, a display module and an EPS control system which are respectively connected with the main control computer;
the millimeter wave radar is used for continuously scanning a road in front of the vehicle;
the wheel speed sensor is used for acquiring a vehicle speed signal;
the infrared camera is used for acquiring road traffic data;
the GPS positioning system is used for real-time positioning;
the communication module is used for connecting the vehicle with the satellite, accessing road traffic data sharing through a 5G cloud network and integrating road big data;
the display module is used for displaying data collected by the millimeter wave radar, the wheel speed sensor, the infrared camera and the GPS;
the alarm module is used for giving out collision warning;
the EPS control system is used for determining the magnitude and the direction of the steering assistance according to signals transmitted by the torque sensor and the speed of the automobile and driving a motor to assist steering operation;
the main control computer is used for realizing the technical functions of acceleration and deceleration, auxiliary steering, emergency braking and road sign identification of a following front vehicle, accessing road traffic data sharing and integrating road big data through a 5G cloud network, and assisting the safe driving of the vehicle by using various sensors.
2. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the communication module comprises a wireless communication technology and a wired communication technology;
the wireless communication technology comprises a satellite communication technology, a Bluetooth communication technology, a radio frequency communication technology, a WIFI communication technology and a mobile communication technology, and the wired communication technology comprises a double-wire vehicle-mounted network communication technology and a single-wire vehicle-mounted network communication technology;
wherein, the satellite communication technology: the device is used for receiving, processing, analyzing and using satellite technology and is provided with a mushroom head receiver, an antenna and a satellite tester;
the Bluetooth communication technology: the system comprises a kernel protocol layer, a cable replacement protocol layer, a control protocol layer and a protocol layer, and is used for completing short-distance signal transmission and reception with low power consumption requirement and realizing the control of relevant hardware of the vehicle;
radio frequency communication technology: the intelligent key is matched, one-key starting and remote control technologies can be completed through a radio frequency technology, and the processes of transmitting, converting, controlling and the like of radio frequency signals are completed;
WIFI communication technology: the industrial personal computer is internally provided with a 4G flow card, the chip supports 5 data streams, the data rates can respectively reach 450Mbps and 600Mbps, and the chip is used for controlling and processing WIFI communication;
mobile communication technology: customizing a communication protocol to finish interaction and control of communication, and specifically comprising the following steps:
(1) Any node is required to initiate data communication to any one or more nodes, the communication order is determined according to the priority sequence of the information of each node, and the information of the nodes with high priority is communicated at 134 mu s;
(2) When a plurality of nodes initiate communication at the same time, the avoidance priority with low priority is high, and the communication line is not congested;
(3) The communication distance can reach 10KM at the farthest, the speed can reach 1Mbps, and the communication gateway is provided.
3. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the display module adopts a teaching screen and is used for data transmitting, receiving, diagnosing, information processing and program modification.
4. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the collision warnings include a frontal collision warning, a pedestrian collision warning, a lane departure warning, a vehicle distance monitoring and warning;
wherein the frontal collision warning: when a collision with a vehicle in front is possible, an alarm is given 2 seconds in advance;
the operation conditions are as follows: the system is always in an operating state when being started;
warning mode: a red vehicle icon comprising a series of high volume beeps and flashing on the display;
pedestrian collision warning: when collision with a pedestrian in front is possible, an alarm is given to the pedestrian;
the operation conditions are as follows: the pedestrian collision early warning function operates when the vehicle speed is 1-50 Km/h;
warning mode: a red pedestrian icon comprising a series of high volume beeps and flashing on the display;
lane departure warning: when a user accidentally deviates from a lane, an alarm is given to the user, and if the user uses a direction lamp when changing the lane, the alarm is not given;
the operation conditions are as follows: and the device is in an activated state when the speed is higher than 55 km/h.
Warning mode: comprises a series of short-time high-volume buzzes and left or right deviation alarm indicator lights flashing on the display;
vehicle distance monitoring and warning: the distance between the user and the vehicle in front can be displayed, and if the user approaches the set distance, the function gives a danger alarm to the user;
the operation conditions are as follows: displaying a vehicle icon whenever a vehicle in front is detected, but displaying a digital vehicle distance and giving an alarm only when the vehicle speed is higher than 30 km/h;
and when the distance is equal to or smaller than a preset distance time threshold value, once buzzing is performed.
5. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the method is characterized in that: the device comprises a main control computer, a millimeter wave radar, a wheel speed sensor, an infrared camera, a GPS (global positioning system), a communication module, an alarm module, a display module and an EPS (electric power steering) control system, and further comprises a power module, wherein the power module is respectively connected with the main control computer, the millimeter wave radar, the wheel speed sensor, the infrared camera, the GPS, the communication module, the alarm module, the display module and the EPS control system, and comprises a chip U1, a power supply B1, a capacitor C2, an inductor L1 and a voltage stabilizing diode D1; wherein, pin 1 of chip U1 respectively with power B1's positive pole, electric capacity C1's one end, power B1's negative pole ground connection, electric capacity C1's other end ground connection, chip U1's pin 3 ground connection, chip U1's pin 5 ground connection, chip U1's pin 2 respectively with zener diode D1's negative pole, inductance L1's one end, zener diode's positive pole ground connection, inductance L1's the other end respectively with electric capacity C2's one end, chip U1's pin 4 and Output end are connected, electric capacity C2's the other end ground connection.
6. The intelligent networking assistant driving automobile experiment platform according to claim 1, wherein: the method is characterized in that: the main control computer comprises a single-chip microcomputer controller module, and the single-chip microcomputer controller module comprises a chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a crystal oscillator X1, a switch S1, a resistor R2, a resistor R3 and a resistor R4; one end of the capacitor C3 is connected to one end of the crystal oscillator X1 and a pin 19 of the chip U2, the other end of the crystal oscillator X1 is connected to one end of the capacitor C4 and a pin 18 of the chip U2, the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, one end of the resistor R5 is connected to one end of the capacitor C5, one end of the switch S1 and a pin 9 of the chip U2, the other end of the resistor R5 is grounded, the other end of the capacitor C5 is connected to the VCC terminal and the other end of the switch S1, one end of the resistor R1 is connected to a pin 39 of the chip U2, the other end of the resistor R1 is connected to the VCC terminal, one end of the resistor R2 is connected to a pin 38 of the chip U2, the other end of the resistor R2 is connected to the VCC terminal, one end of the resistor R3 is connected to a pin 37 of the chip U2, the other end of the resistor R3 is connected to the VCC terminal, one end of the resistor R4 is connected to a pin 36 of the chip U2, and the other end of the resistor R4 is connected to the VCC terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211420350.4A CN115862418A (en) | 2022-11-15 | 2022-11-15 | Intelligent network connection auxiliary driving automobile experiment platform |
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| CN202211420350.4A CN115862418A (en) | 2022-11-15 | 2022-11-15 | Intelligent network connection auxiliary driving automobile experiment platform |
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| CN114049811A (en) * | 2021-11-06 | 2022-02-15 | 北京和绪科技有限公司 | Vehicle-mounted network and intelligent networking automobile simulation teaching system |
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| CN107878430A (en) * | 2017-11-24 | 2018-04-06 | 南京视莱尔汽车电子有限公司 | A kind of intelligent automobile drive assistance device |
| CN207601622U (en) * | 2017-12-29 | 2018-07-10 | 河南科技大学 | A kind of pure electric automobile intelligent network joins IVCU control systems |
| CN215117913U (en) * | 2021-01-29 | 2021-12-10 | 北京兰德适普科技有限公司 | Intelligent network connection automobile teaching equipment and teaching vehicle linkage system |
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