Robotic Audi TTS to tackle Pikes Peak at race speed – without a driver

28 Mar 2015 | Author: | Comments Off on Robotic Audi TTS to tackle Pikes Peak at race speed – without a driver

The team at the for Automotive Research at Stanford are aiming to send a specially-equipped Audi at break-neck speed up the bends that lead to Peak without a driver … that hasn’t been before.

Pikes Peak. Springs, sits atop a Rocky Mountain road a combination of paved and gravel that has 156 turns and a climb of An official contest for human will take place in but the Audi nicknamed “Shelley” the first female driver to win the Michele Mouton) will a timed race in September, she will be alone on the track.

When the Pikes Peak began in 1916, drivers enough to negotiate the dusty and massive climb hoped cars would not overheat or apart before reaching the summit.

Though not afraid of the overheating, Shelley’s team, the racers of the early 1900s, this autonomous car will it around the turns and up the mountain in one

Our first goal is to go up Pikes at speeds resembling race keep the car stable around the and have everything work the way we it to, said Chris Gerdes, director of CARS and leader of the research team.

We’re not going to put it on the mountain we can do it safely,” he said.

A trunkload of

The team at CARS has filled the of the Audi TTS with computers and GPS transforming it into a vehicle drives itself.

Following on past impressive results winning its first autonomous in 2005 with Stanley, a car for the Grand Challenge held in the Desert by the Defense Advanced Projects Agency (DARPA); and a car, Junior, runner-up in 2007 Urban Challenge the team is hoping to be the fastest up the with Shelley. Other vehicles have reached the but only at speeds of around say the team.

Unlike Stanley and Junior, who the road with radars and Shelley will follow a GPS from start to finish. The will be to stay on the road at speeds while sliding the corners.

Shelley has reached of 130mph without a driver on grounds at the Bonneville Salt in Utah (see video At first glance, the car seems a normal Audi, but a closer reveals advanced computers, GPS and nobody in the driver’s seat.

Audi TT

or rather the team, knows where she is on the road by using a GPS, which is much accurate than a standard GPS Hers corrects for interference in the showing the car’s position on the with an accuracy of less one inch (around 2cm). measures her speed and acceleration wheel-speed sensors and an accelerometer, and her bearings from gyroscopes, control equilibrium and direction.

The computer puts all this together and then compares it to a map to figure out how close the car is to the path we want it to take up Pikes said Gerdes.

The team that the computers in Shelley’s will plug into the existing electric steering and the car will move into with stock automatic shifting and brakes with an vacuum booster, a feature normal cars use for emergency

Using complex algorithms, the have programmed Shelley to like a racecar. For example, as the car a turn, it calculates a best on steering and acceleration. Audi’s system normally responds to the wheel, but since there is no it responds to algorithms that information such as the GPS path and movement picked up from its

As the car approaches a corner, another set of corrects the handling through the and prepares for what might next.

While other cars have crossed the line of the Pikes Peak the CARS team’s goal is to do it at speed, or even faster.

There are some sheer at Pikes Peak in which any of self-preservation kicks in and you slow a bit. We want to go up at the speed few normal drivers would think of attempting.

In addition to racing, the team is hopeful its research may lead to safer that respond to human We hope this project that the technologies of stabilizing the car and the car stay in its lane will with each other all the way up to the limits of the vehicle.

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