An autonomous vehicle is an automobile that has an autopilot system allowing it to safely move from one place to another without help from a human driver.[] In some other passages, it is also known as driverless vehicle, or lf-driving vehicle, or robotic vehicle.
Autonomous vehicles detect surroundings using AI(Artificial Intelligenceri and fall), radar, lidar, GPS, Odometry, and computer vision.
Artificial intelligence is the intelligence exhibited by machines or software. []Artificial intelligence bad on the 精神分裂的表现n/ plan / act agent structure is applied to the autonomous vehicles. It can simulate human driving behavior principal读音from three levels of n, thinking and behavior.[]
A radar is an object-detection system that us radio waves to determine the range, angle, or velocity of objects. A radar transmits radio waves or microwaves that reflect from any objects in their path. A receive radar, which is typically the same system as the transmit radar, receives and process the reflected waves to determine properties of the object(s).
Lidar is a surveying technology that measures distance by illuminating a target with a lar light. Lidar exists as an acronym of Light Detection And Ranging, and was originally created as a portmanteau of "light" and "radar".
The Global Positioning System is a space-bad navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth.
Odometry is the u of data from motion nsors to estimate change in position over time. Odometry is ud by some robots to estimate their position relative to a starting location.
在线辅导 Computer vision is a field that includes methods for acquiring, processing, analyzing, and understanding images and, in general, high-dimensional data from the real world. A new method bad on computer vision can reconstruct the road surface from the images. It can solve the shortcomings that the image of the far lane is too small and difficult to detect.
Advanced control systems interpret nsor information to identify appropriate navigation paths, obstacles and relevant signage. Autonomous vehicles have control systems that are capable of analyzing nsor data to distinguish different cars on the road, which are very uful in planning a path to the desired destination.
Some demonstrative systems, precursory tocordova autonomous vehicles, date back to 1920s. The first lf-sufficient cars ,truly autonomous, appeared in the 1980s. Since then, numerous major companies and rearch organizations have developed autonomous vehicles.[] In China, rearches about autonomous vehicles occurred in 1980s, and the first autonomous car was successfully developed by National University of Defen Technology in 1992.[]
Actually, autonomous is bad on some fundamental systems.
Autonomous crui control, also called as adaptive crui control is an optional crui control system for road vehicles that automatically adjusts the vehicle speed to maintain a safe distance from vehicles ahead. It makes no u of satellite or roadside infrastructur
es nor of any cooperative support from other vehicles. Hence control is impod bad on nsor information . Cooperative Adaptive Crui Control (CACC) further extends the automation of navigation by using information gathered from fixed infrastructure such as satellites and roadside beacons, or mobile infrastructure such as reflectors or transmitters on the back of other vehicles.
Automatic parking is an autonomous car-maneuvering system that moves a vehicle from a traffic lane into a parking spot to perform parallel, perpendicular or angle parking. The automatic parking system aims to enhance the comfort and safety of driving in constrained environments where much attention and experience is required to steer the car.
Electronic stability control (ESC), also referred to as electronic stability program (ESP), is a computerized technology that improves a vehicle's stability by detecting and reducing skidding.[] When ESC detects loss of steering control, it automatically applies the brakes to help steering the vehicle where the driver intends to go.
Lane departure warning system is a mechanism designed to warn the driver when the vehicle begins to move out of its lane. There are two main types of the system, one of which warns the driver if the vehicle is leaving its lane. The other warns the driver or automatically takes steps to ensure the vehicle stays in its lane if no action is taken, which may be applied to autonomous vehicles.
C电脑知识学习网ollision avoidance system, also known as prepetio-规格英文crash system，is an automobile safety system designed to reduce the verity of a collision. It detect新加坡留学中介s an imminent crash by using radar in weather conditions, and sometimes using lidar and camera which are ineffective in bad weather.
