The Heat

New Information    Timely Reading

Is your tire smart enough?

Published in 2018-08-24

Is automatic driving safe?

This is the most publicly asked and most worried issue before the commercialization of autonomous driving.

According to a new consumer survey by the Mid-Atlantic chapter of the American Automobile Association, 70% of Virginia drivers said that the safety and reliability of self-driving cars is a top priority.In January of this year, the American Automobile Association also launched another opinion poll of self-driving cars, and 60% of American drivers expressed concern about riding autonomous cars.

In fact, car safety performance has always been a top priority for consumers and car companies.Before a car is officially launched, it must pass multiple tests such as road test, endurance test, and safety crash test to ensure that there will be no quality problems. This is the responsibility of the car company to its own car and the responsibility of the consumer.

For autonomous driving, our safety requirements for it are even more demanding due to complete disengagement or long-term departure from the control of the old human driver.At the hardware level, autonomous vehicles are equipped with cameras, lidars, millimeter-wave radars and other body sensors to sense road conditions, including pits in front of the road, water or other roadblocks.At the software level, the algorithm will cover all the problems that human driving may encounter. After receiving the road condition information, the algorithm will quickly issue a decision command according to the algorithm, whether it is turning or going straight, braking or accelerating.

The "soft and hard" self-driving car can be said to have been armed to the teeth. However, if we really want to talk about security, do we still ignore what?

If you ask an old driver, what do you need to check before going on the road? In his answer, there must be words like "tire is important"; if you ask the F1 champion Hamilton what is the key to winning, "protective tires" will definitely appear in his mouth; driver's license "road test" The first big point is to "check the condition before driving."

Yes, what we have neglected is actually the four black and insignificant wheels. This is the only place where the entire car is in contact with the ground and the softest part of the car.

In fact, as long as the driver who passed the driver's license exam should know that in addition to checking the tire for damage and scratches, tire pressure is normal, but also prepare spare tires and spare tire tools.

But when we are eager to drive autonomous, car manufacturers, suppliers also work on lidars, cameras, high-precision maps, the vital tires are naturally ignored.At the same time that the whole vehicle conforms to the intelligent trend, the tire has become the only unsmart presence on the smart car. It can not only detect whether the surface has scratches, nails, or even tire pressure!

During the driving process of the car, abnormal tire pressure may cause local wear, reduced handling comfort, increased fuel consumption, etc., resulting in a puncture.According to statistics, 70% of traffic accidents on domestic highways are caused by punctures, and the death rate of high-speed puncture is 100%. In most cases, punctures are caused by abnormal inflation pressure (85%).

So, before questioning whether autonomous driving is safe, we should ask the question: Our tires are worthy of the name of autonomous driving. Is it really smart enough?

The answer is no, our tires are just four black rubber rings, far from being smart, and unable to feedback safety hazards.

Before the car's intelligent arrival, our tires have to become smarter and safer, so we have to mention the tire pressure monitoring system.

The tire pressure monitoring system is a new active safety device for vehicles. It can monitor the tire pressure in real time during driving, help the driver to grasp the pressure condition of the tire in real time, and alarm the tire leakage and low air pressure to reduce the cause. Traffic accidents caused by tire failures increase the safety of vehicle driving.

The tire pressure monitoring system can be divided into two types: one is the indirect tire pressure monitoring system, which determines whether the tire is abnormal by the tire speed; the other is the direct tire pressure monitoring system, by adding four tires in the tire. The pressure monitoring sensor automatically monitors the tire pressure and temperature in real time.

Because the indirect tire pressure monitoring system detects slow reaction speed, even a 0.1 second delay is enough to determine the life and death when driving on the highway. Therefore, indirect tire pressure monitoring is a kind of delay intelligence, or it can be called Driving assistance.

All of the tire pressure monitoring systems developed by Soling Shanghai Hangsheng are direct systems that use wireless transmission to enable fast and intelligent tire pressure monitoring.

In addition to the transmission of tire pressure and tire temperature information to the central control, Shanghai Hangsheng tire pressure monitoring system also supports tire temperature alarm, rapid air leak alarm, sensor battery shortage prompts, and achieve two-level alarm function.

At the same time, because the tires are in direct contact with various road surfaces, which are the consumables that are easily lost in the whole vehicle, the Shanghai Hangsheng tire pressure monitoring system supports the automatic identification and programmable of tire rotation, which greatly reduces the replacement of tires. Other costs.

Shanghai Hangsheng TPMS Software Design Framework and Processing Method

The technical strength of Shanghai Hangsheng is unquestionable.

Shanghai Hangsheng Industrial Co., Ltd. is the earliest enterprise in China to develop passenger car tire pressure monitoring system. Since 2006, it has more than 10 years of experience in R&D and pre-assembly, and Schrader, the global military-grade sensor supplier, is the first to sign the exclusive Chinese market. Strategic cooperation, has repeatedly become the drafting unit of the industry standard for China's tire pressure monitoring system, and completed the SOP of the domestic mainstream pre-loading plant during the period from 2009 to 2012, which was the first to promote the mandatory standard in the domestic tire pressure monitoring system. The rate is over 80%.

Shanghai Hangsheng tire pressure monitoring system has a comprehensive product line, including stand-alone, integrated, CAN bus system, suitable for different market positioning models, and developed a two-way system for high-end models. The performance of the whole system has reached the domestic leading level, and the system reliability and stability are comparable to those of international counterparts.

Imagine if a person wears a pair of slippers while wearing a pair of slippers. What do you think of it? If the world sprint champion Bolt wears a pair of uncomfortable shoes running on the track, can he still become "Lightning Bolt"?

The first person may be laughed at, and Bolt may fall on the track, but if there is a problem with the "foot" of the car, we know nothing, and what you pay will be what you don't want to see cost.

Especially after the country has introduced relevant industrial policies and upgraded new energy vehicles and smart cars to the national industrial strategy level, the security issue is even more critical. It is not only about consumers' confidence in new car technologies, but also about the lives of consumers. Safety problems are not in place, just like an unmanned car accident, which will cause public confidence to collapse in a large area.

At a time when cars are becoming more intelligent, safety issues must start with “foot”. Car tires should not be just those four black rubber rings. They should be smarter and safer. What do you think?