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The sensor circuit is supplied with constant current. A distinguishing feature of the IEPE principle is that the power supply and the sensor signal are transmitted via one shielded wire. Most IEPE sensors work at a constant current between 2 and 20 mA. A common value is 4 mA. The higher the constant current the longer the possible cable length.
A yaw-rate sensor is a gyroscopic device that measures a vehicle's yaw rate, its angular velocity around its vertical axis. The angle between the vehicle's heading and velocity is called its slip angle , which is related to the yaw rate.
The high modulus of elasticity of piezoelectric materials makes the piezoelectric sensor a more viable solution to the problems identified with the strain gage accelerometer. Simply stated, the inherent properties of the piezoelectric accelerometers made it a much better alternative to the strain gage types because of its high frequency ...
An accelerometer measures proper acceleration, which is the acceleration it experiences relative to freefall and is the acceleration felt by people and objects. [2] Put another way, at any point in spacetime the equivalence principle guarantees the existence of a local inertial frame, and an accelerometer measures the acceleration relative to that frame. [4]
The accuracy of the inertial sensors inside a modern inertial measurement unit (IMU) has a more complex impact on the performance of an inertial navigation system (INS). [16] Gyroscope and accelerometer sensor behavior is often represented by a model based on the following errors, assuming they have the proper measurement range and bandwidth: [17]
The IEEE Sensors Journal is a biweekly peer-reviewed scientific journal, covering research on sensors. It is published by the IEEE Sensors Council. The editor-in-chief is Zeynep Celik. According to the Journal Citation Reports, the journal has a 2022 impact factor of 4.325, [1] as well as an Eigenfactor at 0.03365, and an Article Influence ...
Teleceptive active sensory systems collect information by directing propagating energy and detecting objects using cues such as time delay and intensity of return signal. Examples include echolocation of bats and electrosensory detection of electric fish. Contact active sensory systems use physical contact between stimuli and organism. Insect ...
The Nunchuk accessory for use in a second hand also featured an accelerometer. A later line of accessories and refreshed controllers labeled with the Motion Plus feature added gyroscopic sensors to track all three axes of rotation independent of whether the controller had line of sight to the sensors bar.