Inertial Measurement Unit (IMU)
5Pages

Inertial Measurement Unit (IMU) ► 6-axis MEMS mini-IMU ► Acceleration & Angular Rotation analog output ► 12-pin connector with detachable cable ► Aluminium housing ► Made in Germany Features ► Acceleration rate: ±2g to ±50g Rotation rate: ±75°/s to ±900°/s ► DC response ► Excellent Bias and Scale factor stability ► Protection class IP65 ► Low power consumption ► Compact design and lightweight (26 gram) Description An Inertial Measurement Unit (IMUs) is a 6-axis system that measures linear and angular motion using a combination of gyroscopes and accelerometers. MEMS based IMUs incorporate an assortment of precision inertial sensors, including a 3-axis accelerometer and a 3-axis gyroscope. The IMU thus outputs raw acceleration and rotation rate signals, which could be further integrated to obtain the actual position and orientation. ASC IMU 7.X.Y Options ► Acceleration and rotation rate range selection ► Customised cable length and connector ► Stainless steel housing ASC IMU 7.X. Yincorporates either the LN series (Low-Noise) accelerometers or the MF series (Medium-Frequency) accelerometers, featuring an acceleration range from ±2g to ±50g. The IMU features MEMS vibrating ring gyros with a rate range from ±75°/s to ±900°/s. ASC IMU 7.X. Y can be powered by a DC power supply (+5V to +40V) where the output voltage is independent of the supply. The miniature IMU is made of lightweight anodised aluminium housing and features the industry standard 12-pin comtronic connector and a detachable cable. Applications ► Indoor Navigation and Pointing ► Precision Agriculture ► Camera/Antenna/Platform Stabilisation ► Industrial and Robotics ► Biomechanics (Motion tracking; Gesture Sensing) ► Marine (yacht stabilisation; tests on ship models) ► Automotive in-car Navigation ► Precision GPS Vehicle and Personal Navigation Aiding (Dead Reckoning Navigation) Power Supply: Pin 1: Power Supply - (black) Pin 2: Power Supply + (red) Gyroscope: Pin 3: Signal X (red / violet) Pin 4: Signal Y (red / grey) Pin 5: Signal Z(black/violet) Pin 6: Signal + X (green / violet) Pin 7: Signal - X ( / violet) Pin 8: Signal + Y (green / grey) Pin 9: not connected Pin 10: Signal - Y ( / grey) Pin 11: Signal + Z (green) Pin 12: Signal ~Z( ) ASC GmbH ■ Advanced Sensors Calibration ■ Ledererstra&e 10 ■ 85276 Pfaffenhofen ■ Germany ■ Tel. +49 (0) 8441 786 547 -0 ■

MEMS Accelerometers ASC's capacitive accelerometers are based on MEMS sensing technology and produce an analog voltage proportional to the input acceleration. The accelerometers can measure both static (gravity) and dynamic accelerations. ASC's MEMS capacitive accelerometers can be used for very low to medium frequency vibration measurements, ranging from 0Hz to 4kHz. The sensors feature a MEMS sensor element where the seismic mass is connected between two conductive capacitor plates. When subjected to an input acceleration, the seismic mass oscillates between the two capacitor plates and...

Typical Specifications ASC MEDIUM-FREQUENCY ACCELEROMETERS DYNAMIC Range (±g) 2 5 10 30 50"" ELECTRICAL Zero acceleration output ±mV 50 Residual / Broadband noise (±5% frequency range) jV 720 580 720 720 780 ENVIRONMENTAL Temperature coefficient of sensitivity %/°C 0.01 (Thermal sensitivity shift) Temperature coefficient of bias mg/°C 0.2 0.5 1 3 5 (Thermal zero shift) ASC LOW NOISE ACCELEROMETERS DYNAMIC Range (±g) 2 5 10 25 50" ELECTRICAL Zero acceleration output ±mV 150 150 80 80 80 Residual / Broadband noise (±5% frequency range) jV 200 120 140 180 200 ENVIRONMENTAL Thermal sensitivity...

Typical Specifications ASC MEMS GYROSCOPES DYNAMIC Rate Range (±°/s) 75 150 300 900 g-sensitivity (linear acceleration) °/s/g 0.1 ELECTRICAL Bias (for cables up to 10 m) V 1.70 ± 0.06 Bias variation with temperature °/s ±3 (referred to the value at +25°C) Bias Instability °/hr 9 Rate Noise Density °/s/VHz 0.02 Angular Random Walk °/Vhr 0.2 (Allan Deviation; T=1s) Vibration induced Noise °/s/g2 0.08 ENVIRONMENTAL Sensitivity variation over temperature % ±1.5 ASC GmbH ■ Advanced Sensors Calibration ■ Ledererstra&e 10 ■ 85276 Pfaffenhofen ■ Germany ■ Tel. +49 (0) 8441 786 547 -0 ■...

CALIBRATION ACCELEROMETERS (LN) Range 2g and 5g 10g 25g and 30g 50g GYROSCOPES A factory calibration certificate is provided with each axis. Sensitivity over the measurement range and non-linearity data are provided in the calibration certificate. Note: For the IMU, a DAkkS certified (Deutsche Akkreditierungsstelle, DAkkS, to DIN EN ISO/IEC 17025) calibration can be provided upon request. ORDERING INFORMATION Cable Length Connector Z 3 (supplied with Contact ASC for connectors such 6 (6m cable) as Lemo or Sub D Accelerometer Gyroscope Measurement Low-noise (LN) Measurement Range (±g) or...