Introduction of high performance IMU BMI085 on Ar / VR application design

At the Munich Shanghai Electronics Show, Bosch Sensortec launched a high-performance 6-axis inextric measurement unit (IMU) BMI085. The BMI085 integrates a 3-axis 16-bit MEMS acceleration sensor and a 3-axis 16-bit MEMS gyroscope in a compact package. This powerful IMU is ideal for demanding virtual reality (VR) and enhanced reality (AR) applications, such as navigation, body / human motion tracking and high-end games. The compact MEMS sensor package has a variety of functions, combined with extremely low drift gyroscopes and low noise accelerometers, which can significantly reduce the discomprobiosis effect. Its superficial instantaneous detection of the head movement reduces the time delay to almost unrecognizable minimum. Therefore, electronic equipment manufacturers can create more realistic and immersive virtual and enhanced realistic experiences, so that the headset users can integrate into the virtual environment for a longer time, without the need for a rest. "High-performance enhancement reality / virtual reality applications require extremely sensitive, accurate, strong and responding to a rapid motion sensor." Steefan Finkbeiner, CEO of Bosch Sensortec, said, "With Bosch B Shi BMi085, users can be exciting and enhanced Enjoy a more realistic and pleasant experience in the world, but will not have a negative body reaction. " Implementation of virtual and enhanced reality accuracy and low time delay The extremely low delay of the new BMI085 makes the headset manufacturer to eliminate image drift and provide a realistic real-world experience. The IMU provides low moving to the photon delay below 3 ms, and can achieve approaching perfect stability in a high temperature fluctuation environment that is often encountered in a continuous headset display (HMD) or enhanced realistic headset. This system has further improved accuracy, which is critical to high-definition reality / virtual reality applications today. Excellent temperature stability The sensor's accelerometer has a rock-solid temperature stability, which provides impressive low temperature coefficient compensation (TCO), typically less than 0.2 mg / k, and temperature coefficient sensitivity (TCS) can reach 0.002% / k. The bias unstability of the gyroscope is usually less than 2 ° / h. The gyroscopes of BMI085 have a powerful closed loop analog-to-digital conversion mechanism, even in a large temperature environment, low drift characteristics can also be ensured. The accelerometer can achieve a noise density of less than 120 μg / √Hz, and the accuracy of the IMU is further improved by the accelerometer and the gyroscope data. The BMI085 is compatible with the Bosch BMi055 IMU pin, making it extremely smooth to the Bosch BMi055 IMU pin so that the design migration of the new BMI085 is extremely smooth. Bosch has more than 20 years of experience in the Inertial MEMS sensor and accelerometer and bringing automotive-level reliability and performance into the field of consumer electronic sensor. BMI085 is another example of the strict attention of quality and reliability. Read more