The driverless car revolution is accelerating, but there are still some obstacles. As we all know, in just a few years, our cars can take us anywhere when we relax, which will greatly improve our quality of life.
This may sound a bit illusory, but the driverless car revolution is underway, and the future of traffic is bright. But in all the hustle and bustle, you might wonder, how exactly do driverless cars work? Many cars today are actually semi-automated, such as automatic parking, automatic cruise and other functions. Fully automatic cars are driving into the road. Tesla is already selling driverless solutions, and Google plans to put driverless cars on the market by 2020.
People can not escape from doing wrong
A recent study showed that more than 90% of road accidents are caused by human error. It is natural to make mistakes, but behind the mistakes, there are often catastrophic consequences. Accidents cause a large number of unnecessary casualties-lives could have been saved by safer driving. This is where driverless cars come in. What can they provide?
1. Driverless cars are safer than human-driven cars. They are not affected by factors such as driver fatigue, mood or illness, which makes them very safe.
2. Self-driving cars always remain focused and active, observing their environment and scanning in multiple directions.
3. The use of driverless cars means safer roads, which in turn means reduced demand for emergency services and expensive insurance premiums, not to mention saving everyone on medical care and expenses related to accidents.
How do driverless cars work?
In recent years, technology has advanced by leaps and bounds, finally making driverless cars a reality. Due to the existence of three technologies, driverless cars are only possible today:
1. IoT sensors
There are many types of sensors that can make driverless cars a reality. Sensors for blind spot monitoring, forward collision warning, radar, camera, lidar, and ultrasonic work together to make the navigation of driverless cars possible.
2. Internet of Things network connection
Driverless cars use cloud computing to process traffic data, weather, maps, neighboring cars and ground conditions, etc. This helps them better monitor their surroundings and make informed decisions. Even if edge computing hardware can solve small computing tasks locally, driverless cars must also be connected to the Internet.
3. All data collected by the software algorithm car needs to be analyzed to determine the best course of action. This is the main function of the control algorithm and software, and it is also the most complicated part of the driverless car, because it must make perfect decisions. Like Uber driverless car accidents, "defects" can be fatal.
Google and Tesla lead the current world's most famous driverless cars are manufactured by Tesla and Google. Tesla cars work by analyzing their environment using a software system called "unmanned pilots." The unmanned pilots use high-tech cameras to observe and collect data in the world, just like our eyes. Using so-called "computer vision" or sophisticated image recognition, it then interprets this information and makes the best decision. As mentioned earlier, Tesla's driverless technology is already on the market. On the other hand, Google takes a completely different approach to its cars. Google’s driverless cars use lidar sensors. Simply put, lidar is like radar, but uses light instead of radio waves. This sensor technology eliminates the need for steering wheels and pedals in Google’s cars. What obstacles still exist for driverless cars? Like all major breakthroughs, the road to driverless cars is full of obstacles.
Some of these obstacles are technical, but more obstacles come from government regulation. In many states in the United States, driverless cars are illegal—usually by default. Another obstacle facing developers is how to safely integrate cars into the human-driven car world. Remember, it is humans who make mistakes. Whether we own driverless cars or not, this technology has the potential to change our lives, and our society will certainly benefit from driverless cars, such as the driving privileges of the elderly and the physically disabled.
Soon everyone can own a driverless car, and we can hope that soon there will be fewer crazy drivers on the road.
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