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In December last year, the Steam game platform in Tesla's "car entertainment system" was officially launched. This means that sitting in a self-driving car, you can play a series of 3A masterpieces while driving to the side of the road. Musk himself played "Cyberpunk 2077" in the car, and stressed that the "in-car game console" is very powerful, and the picture quality and fluency can meet the needs of players.

Musk: it's just a big move to play games in the car in the live broadcast of the press conference. | with the popularity of CNET highlights / YouTube, it seems that all kinds of manufacturers are working hard to develop various technologies to make unmanned cars safer, smarter and more interesting. Since the car can drive on its own, we can free our hands to browse mobile phones and play games, which sounds like we can save a lot of time.

But don't think about it yet. When you are actually sitting in a self-driving car, you may find that there is still nothing you can do. Because in self-driving cars, carsickness has become a big problem.

Autopilot: novice on the road! Watch out! In 2015, the University of Michigan Transportation Institute (UMTRI) surveyed carsickness in self-driving vehicles. The results showed that in the United States, 6% to 10% of adults always experience motion sickness when doing fully self-driving vehicles, and another 6% to 12% of people experience moderate or severe carsickness.

Monica Jones, a researcher at UMTRI, said that carsickness is likely to affect people's willingness to ride in self-driving cars. This means that although unmanned cars are equipped with a variety of advanced sensors, use a variety of algorithms to become smarter, and even move game consoles into the car, self-driving cars are more likely to make people get carsick and may be more uncomfortable than driving.

Everyone is engaged in technology, have you ever considered the feelings of the passengers of the unmanned car? | Giphy so why autopilot is more likely to get carsick?

Carsickness is a kind of motion sickness on the ground. When we feel the spatial information, the senses of different parts of the body will be combined, such as the position of the limbs, the position of the head and the position of vision, and these three aspects of information will correct each other so that we can maintain coordination and balance in the space.

If one of the feelings is inconsistent with the other, the information in the brain conflicts and it is easy to feel dizzy. For example, when you stand on the ground and watch a speeding train, you may have the illusion that you are going backwards. When you sit in the car, the vestibular system made up of the inner ear will feel you moving forward, but your eyes are staring at a still book or mobile phone screen, which can easily cause a feeling of dizziness.

If you want to play the 3A game, get your vomit bag ready. In ordinary vehicles, drivers are generally not prone to carsickness. Drivers who take the initiative to drive a vehicle tend to be highly focused, and the neural activity of the vestibular system may be inhibited. In addition, when a driver is driving, he often knows where to speed up and where to slow down, so he will subconsciously adjust his body to reduce the feeling of incoordination. Therefore, if you are prone to carsickness, you can pay attention to the road outside the window like a driver and make predictions about driving, which may reduce the symptoms of dizziness and vomiting.

And self-driving cars seem to want people to bow their heads and play with their mobile phones in the car?

What would you do in a self-driving car? | Monica Jones of PixabayUMTRI conducted an experiment in 2017. She recruited 150 volunteers to sit in the car and asked them to complete some tasks on iPad. In the course of their mission, these cars will drive through a zigzag route.

The task made some of the volunteers feel severely carsick, 11 percent felt nauseous and asked people to stop, while 4 percent of the passengers began to vomit.

The self-driving car itself is also aggravated by be like ⬆️ | Giphy passengers who do their homework in the self-driving car. Nowadays, the car that can drive itself seems to be a "lousy driver" who is not so skilled. In a report in September 2022, a reporter traveled through a big city in a self-driving car. when summing up the experience, he wrote: "the journey is sometimes weird, sometimes impressive, sometimes puzzling and sometimes stressful." in short. A self-driving car is worse than my 16-year-old daughter, who just learned to drive. "

The self-driving car seems to be "not very smart". It often slows down on open streets for no reason, brakes suddenly, and stops in the middle of a zebra crossing. When there was a traffic jam on the road, the car thought something had happened, so it pulled over directly.

The reporter joked that Waymo (Google's parent company's unmanned taxi service) chose to operate in Phoenix, where there are few people on the road, for a reason. In a narrow and crowded big city, you may not be able to cope at all?

Autopilot is still a long way from the "old driver". | Giphy but nowadays, companies that build self-driving vehicles are also beginning to find ways to solve this problem. In Waymo driverless cars, the system sometimes reminds passengers not to read books all the time and optimizes the operation of the vehicle to make people feel more comfortable when turning, braking and accelerating. Uber plans to use light belts, screens and seat vibrations to stimulate passengers' senses and relieve carsickness.

Volvo researchers use the power of sound. They plan to use voice to inform passengers that "there is going to be a turn next" to provide passengers with predictions. The simulated accelerated sound will also be played in advance.

Apple has patented the issue by asking passengers to wear VR glasses to synchronize the picture with the driving of the vehicle. Or put a projector in the car, a whole immersive action.

However, the MIT researchers are going to ruin it: just lie down in the car and fall asleep.

But only if the self-driving car is safe enough. Giphy. So, it seems that no one has really come up with a good way to play games without getting carsick in an unmanned car.

Reference:

[1] Bellem, Hanna, et al. "Comfort in automated driving: An analysis of preferences for different automated driving styles and their dependence on personality traits." Transportation research part F: traffic psychology and behaviour 55 (2018): 90-100.

[2] Iskander, Julie, et al. "From car sickness to autonomous car sickness: a review." Transportation research part F: traffic psychology and behaviour 62 (2019): 716726.

[3] https://news.umich.edu/measuring-motion-sickness-in-driverless-cars/

[4] https://www.popsci.com/story/technology/volvo-self-driving-car-sounds/

[5] https://www.nytimes.com/2020/01/17/business/motion-sickness-self-driving-cars.html?searchResultPosition=31

[6] https://www.nytimes.com/2022/09/28/technology/driverless-cars-san-francisco.html?action=click&pgtype=Article&state=default&module=styln-tesla&variant=show®ion=BELOW_MAIN_CONTENT&block=storyline_flex_guide_recirc

[7] Sivak, Michael, and Brandon Schoettle. Motion sickness in self-driving vehicles. University of Michigan, Ann Arbor, Transportation Research Institute, 2015.

This article is from the official Wechat account: bring Science Home (ID:steamforkids), author: everything.

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