Adaptive cruise control: what it is and how it works

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2018-03-20 23:57:12

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Every motorist heard something about adaptive cruise control. What it is, knows not everyone. In General, the system provides the next stage of development of the familiar cruise control. The main difference from traditional adaptive in the ability to assess the situation on the road and adjust vehicle speed depending on the speed the car in front.

adaptive cruise control that it

This function is in the traditional version have always been one of the assistants for the driver. She will not get tired and to save power in the long road. The adaptive cruise control recheck the distance, and also supports her – this increases the driving safety.

What is it?

The Main task of the assistant – control the speed of movement of the car depending on road conditions. The machine itself adapts to road conditions. Among the most known systems it is possible to allocate ‘Thumbs Distans Control” from ‘Mitsubishi’ and ‘Adaptiv Cruise”. “Volkswagen, Audi”. There are a lot of counterparts from other automakers.

How the system works

Let us Consider the adaptive cruise control. That is, we already know about. Named system consists of several sensors and control module. You can meet and cruise, consisting of sensors of speed, distance, control system and several execution units.

Radars and lidars

In the construction of cruise control with a distance sensor. This element is needed in order to measure the parameters of speed and distance to the vehicle travelling ahead. As these sensors use radar or lidar equipment. These sensors emit electromagnetic waves or infrared rays. The speed of the machine moving ahead, the system evaluates depending on how the frequency of the reflected electromagnetic oxen. And the distance is calculated by how many times he returned the signal.

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what is cruise control in car

Lidar, unlike radar, do not send the electromagnetic wave, and a special infrared laser beams, but the principle of their operation is about the same. But the sensors for these systems the cost is much cheaper radar. However, the product is exposed to the weather, so on modern cars of premium class, leaders do not find it. Here are only the radar.

The Sensors to determine distances, are mounted on the front bumper and grille of the car. The sensor normally operates within a radius of 150 m.

In recent versions of the cruises applied the device for distance measurement, which work in both short and long ranges. The first is able to change the speed limit to the point that the car completely stops. Second, working in long range, slow the car to 30 kilometers per hour. This allows you to expand the capabilities of the helper (for example, to use cruise in traffic, where you need a little speed).

Control Unit

This block receives information from sensors and from other systems in the car. It according to the sensors calculates the distance and speed to the car that is ahead.

modern machines

Special software compares the actual data with desired driver parameters. Further, based on the received information, creates and sends a control signal to the actuating equipment. Although as such Executive equipment adaptive cruise-control has not. It uses other devices that are connected with the control module.

How it works?

The Complex begins to perform its functions from zero miles per hour and continued to do so up to two hundred. Also most of the models described system is able to perform a sudden emergency braking, and to start in a dense stream of cars.

So, adaptive cruise control – what is it? This system is able to provide the ability to move machines with constant speed, and if necessary, slowdowns or accelerations. If on the roadway there are no other cars, then the car will move with a given driver speed. When the vehicle in front accelerates or rebuilt, adaptive cruise picks up speed to a predetermined.

adaptive cruise control

If a vehicle that is in front, slows down or rebuilds of the series in a row, the cruise slows the car to a distance set by the driver.

At low speeds the vehicle slows down due to the braking system at higher – at the expense of engine braking, and lower power by reducing the air supply.

Price range

What is cruise control in a car, it is now clear. This is a helper for the driver, sometimes quite effective. But staffing these systems are installed not on all models of cars. If the machine is not equipped with such a system, it can be installed independently or at the official dealer.

As for the cost of the system, depending on the brand of car. So, for BMW models such a complex could cost from 100 to 150 thousand rubles. It does not include the cost of wiring and cabin monitor. Also it must be added the cost of installing the adaptive cruise control.

setting adaptive cruise control

Second-hand kits can cost an average price of 1,200 euros. But there is the advantage – the kit is already complete as possible. Although there are pitfalls. For example, there is no guarantee that this option will function as a staff.

To configure the system to make a lot of efforts, but also to possess special knowledge. The radar system worth several thousand rubles, the most expensive in such systems – this control block.

As can be seen, the system described is rather expensive, but buying a modern car, will not be superfluous to equip it this way. Those who often stand in traffic jams or travelling long distances will be able to evaluate the usefulness of this equipment.

Is it Possible to install their own hands

The Procedure for installing the cruise control are quite complex and require certain skills and special equipment. Also need to say that the system is not mounted on each car.

You will Need the equipment for flashing the engine control unit, and this requires the help of programmers, who know what is cruise control in the car. You will also need modification of the braking system, replacement of blocks flashing ABS and automatic transmission.

adaptive cruise control

You May experience problems with the operation of the system. Not always the first time it starts up and runs as planned. It happens that no errors there, but the system does not want to act. On some models of cars (particularly VAG), you may need to install a second engine control unit.

Conclusion

Even if the machine is missing the adaptive cruise control (what's that, we figured out in this article), you can always set it non-standard. But it is better not to do it himself, because it is a high-tech facility. If you want to use cutting-edge technologies, it is better to trust the experts.


Article in other languages:

AR: https://tostpost.com/ar/cars/12005-adaptive-cruise-control-what-it-is-and-how-it-works.html

BE: https://tostpost.com/be/a-tamab-l/21488-adapty-ny-kru-z-kantrol-shto-geta-takoe-yak-pracue.html

DE: https://tostpost.com/de/autos/21496-adaptive-cruise-control-was-ist-das-und-wie-funktioniert.html

ES: https://tostpost.com/es/coches/21519-el-control-de-crucero-adaptable-qu-es-y-c-mo-funciona.html

HI: https://tostpost.com/hi/cars/12018-adaptive-cruise-control-what-it-is-and-how-it-works.html

JA: https://tostpost.com/ja/cars/12019-adaptive-cruise-control-what-it-is-and-how-it-works.html

KK: https://tostpost.com/kk/avtomobil-der/21479-bey-md-k-kruiz-ba-ylau-b-l-ne-zh-ne-alay-zh-mys-steyd.html

PL: https://tostpost.com/pl/samochody/21444-adaptive-cruise-control-co-to-jest-i-jak-dzia-a.html

PT: https://tostpost.com/pt/carros/21446-o-controle-de-cruzeiro-adaptativo-o-que-e-como-funciona.html

TR: https://tostpost.com/tr/arabalar/21487-adaptif-cruise-control-nedir-ve-nas-l-al-r.html

UK: https://tostpost.com/uk/avtomob-l/21467-adaptivniy-kru-z-kontrol-scho-ce-take-yak-pracyu.html

ZH: https://tostpost.com/zh/cars/12769-adaptive-cruise-control-what-it-is-and-how-it-works.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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