Knowledge · Fundamentals
Fundamentals
How inertial sensors work and what their datasheet values mean.
Article · 6 minHow to read an IMU datasheet: bias instability, ARW, VRW and g-sensitivityBias instability is the drift floor of a sensor running in a constant environment.Read article →Article · 5 minIMU vs. AHRS: what is the difference and when do you need which?An IMU measures angular rate and acceleration on three axes and leaves the interpretation to your software.Read article →
More knowledge
← All knowledgeGuide · 8 minHow to choose the right IMUTask, ARW and bias instability, interface and housing, with a comparison of all Epson IMUs and a drift estimator.Read the guide →Article · 6 minGNSS-denied navigation: what to specify and check when selecting an IMUWhen GNSS is jammed or spoofed, the IMU's datasheet errors integrate freely.Read article →DownloadsBrief sheets, data sheets and driversBrief sheets of all Epson IMUs, accelerometers and vibration sensors we offer, evaluation kit data sheets, studies and GitHub drivers.Go to downloads →