![]() Priority 2: Vehicle Stability: During braking manoeuvre in any first failure mode, the locking of the rear wheels must be avoided. The basic rule being that the higher the autonomous vehicle manoeuvre speed, the higher the deceleration in degraded mode should be. Priority 1: Vehicle Deceleration: In any failure mode, appropriate deceleration must be achieved. ![]() The Society of Automotive Engineers (SAE), in light of these trends, has recently updated its Main Brake System Requirements to be followed by OEMs and Tier 1 suppliers. Electrification and the introduction of brake-by-wire technologies are also changing the landscape for brake systems, and innovations in the field will need to achieve remarkable levels of functional safety and redundancy. Single incidents such as the Uber crash can create overwhelmingly negative press and therefore safety has to be paramount in the development of autonomous cars.Ĭlearly, central controls such as braking and steering are of the utmost importance in a self-driving vehicle. While those involved in the development of autonomous technology are well aware of the benefits, it is essential for the industry to take a pragmatic and structured approach to implementation to avoid mass rejection or a public backlash against self-driving vehicles. Recent surveys by the Pew Research Centre show that over half (56%) of the American public would be worried about riding in an autonomous car, with concerns over safety and lack of control listed as the main reasons. On average, 100 people die every day in road traffic accidents in the United States and while self-driving cars promise the potential to reduce this figure significantly, the general public remains particularly skeptical about ceding control of vehicles to computers. These tragic circumstances serve to highlight one of the critical issues with autonomous driving. Anthony Foxx, who served as US Secretary of Transportation under President Obama, said it was a “wake up call to the entire industry and government to put a high priority on safety”. Uber has suspended all self-driving car test across North American cities in light of the accident. ![]() The vehicle was in self-driving mode, with a human at the wheel, when it struck a pedestrian as she crossed the street. The recent news that an Uber self-driving test car caused a fatal traffic accident in Tempe, Arizona has once again thrown a spotlight on the safety of autonomous vehicles. ![]()
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