Audi’s car dynamics processor: One pc to rule all of them

Not solely will Audi’s new ECU work with extra inputs, it will have the option to take action throughout a wide range of powertrains, electrified or in any other case.


Trendy automobiles comprise miles of wiring, related to a sequence of digital management models that mainly inform the automotive what to do and when. This complicated dance means evermore-complex interactions between numerous methods, which suggests the automotive might obtain blended messages in sure conditions. Audi thinks it has an answer to that with its future car dynamics processor.

Audi already has some synergy throughout its numerous methods by the use of its Digital Chassis Platform, which takes inputs from parts like energetic roll bars, predictive suspension and all-wheel steering and processes them collectively to enhance the automotive’s dealing with. That approach, when a automotive digs right into a sooner nook, the roll bars can assist carry one facet to enhance cornering speeds. It may also be used for security’s sake, for instance immediately lifting the left or proper half of the automotive’s suspension to brace for an affect and guarantee crash forces are despatched via the right strengthened elements.

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The automaker needs to take this one step additional sooner or later, linking much more mechanical methods collectively by the use of a single centralized processor, which at the moment lacks a flashy title however will undoubtedly decide one up ultimately. Audi estimates that this method will function 10 occasions sooner than the present ECP, and it’ll develop its attain to cowl as much as 90 completely different elements of the automotive, an enchancment over immediately’s 20.

There’s additionally one other key piece of expertise that can issue into Audi’s new processing unit: electrification. The long run car dynamics processor will likely be able to integrating extra various powertrains, whether or not it is a conventional inside combustion engine, a pure EV or any combination of the 2. It should even be designed to work with front-, rear- or all-wheel-drive

A few of this already exists in Audi’s E-Tron electrical SUV, which runs a posh menagerie of electrical and hydraulic methods to additional easy the transition from regenerative braking to the automotive’s mechanical stoppers. Its built-in brake controller can obtain knowledge from different elements of the automotive, like its vehicle-to-x communications system or its onboard navigation, to course of the place the car is driving and supply recommendations on when to let off the accelerator to enhance total vary.

Dr. Klaus Diepold, a suspension and dynamics engineer at Audi, explains it fairly effectively within the automaker’s press launch: “Think about that the automotive is meant to enter a nook. This maneuver has to this point been initially dealt with by the management unit of the steering system. On the identical time, the management models of superior driver help methods – corresponding to lane departure warning – would subject a steering correction command. Sooner or later, the needs of each of those methods, in different phrases the steering and the superior driver help methods, are centrally acquired by the car dynamics pc. The pc centrally matches these two varieties of info and subsequently interprets them right into a directional change.”

That is what Audi’s ECP seems to be like. It is wonderful how one thing this small might be so very important to a automotive’s character.


So what does this imply for you, the tip person? Nicely, most of what is described right here will not even be in your radar, as a result of this intermingling will likely be taking place behind the scenes and on the order of milliseconds. What you’ll discover is a sharper distinction between sportier and softer car modes, permitting higher consolation or precision because the temper calls for. It ought to assist make these automobiles safer, too, because the extra communication is allowed between numerous elements of the automotive.

Whereas Audi didn’t explicitly state which car will first carry this tech, it is understood that it’ll make its preliminary look on one of many automaker’s two medium-to-large-vehicle chassis, which is smart as newfangled applied sciences typically arrive on dearer automobiles to begin. 

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