通往未来智能家居的竞赛方兴未艾，但机器人至今仍无法独立完成家务。抓取物体、计算摩擦力等看似简单的任务，背后却需要极其庞大的算力支撑，这一难题困扰了机器人学家数十年。云端机器人、信念空间等前沿概念或许将带来突破。
通往未来智能家居的竞赛正在飞速推进——从令人略感不安的家庭助手机器人Jibo、爱说双关语的Pepper，到近乎军用级别的吸尘器，各类产品层出不穷。然而，在我们与机器人管家的美好愿景之间，依然横亘着一些看似简单却需要大量算力才能解决的问题。
摩擦力非常难以计算。
例如，让机器人自主抓取一个物体，就是一个困扰机器人学家数十年的难题。这不仅存在把物体夹碎的风险，摩擦力也极难精确计算：机器人无法判断物体会多容易从手中滑落——而这种判断，连一个十四岁的孩子都能凭直觉做到。
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