CUBESTORMER 3 Smashes Rubiks Cube Speed Record . Lego Robot Solves Rubiks Cube In 3 Seconds. The ARM-Powered CUBESTORMER 3 robot has smashed the Guinness World Record for solving a Rubiks cube, recording a time of 3.253 seconds at the Big Bang Fair in Birmingham, UK. The robot employs an ARM-powered Samsung Galaxy S4 smartphone to analyze the cube and instruct four robotic hands to do the manipulations. ARM9 processors also power the eight LEGO MINDSTORMS EV3 bricks which perform the motor sequencing and control. The custom app developed for the smartphone uses the phones camera to capture images of each face of the Rubiks Cube which it processes to determine the scrambled colors. The solution is found using an advanced two-phase algorithm that was originally developed for Speedcuber and then enhanced to make effective use of the dual-core ARM Cortex-A9 based processor in a Samsung Galaxy SII smartphone used in CubeStormer II. Further optimizations were made to take advantage of the eight-core big.LITTLE processor configuration featuring four Cortex-A15 and four Cortex-A7 processors in the Galaxy S4. Human speedcubers solve times only include the physical manipulation of the cube and do not include some time which is allowed to inspect the cube beforehand. Times recorded by CUBESTORMER 3 are for the total solve including: image capture, software solution calculation and physical solve.
Posted on: Wed, 19 Mar 2014 06:10:56 +0000
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