Rotational Position Sensors

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  • A New Twist on Sensor Technologies
    Sensors that detect motion, position, rotation, and the presence of objects are essential in hundreds of applications, from aircraft to elevators, garage doors to vehicles, and in the equipment used on every production line. However, as they're small and unassuming and their actions are taken
  • About Magnetic Sensors and Encoders
    Magnetic sensors indirectly measure properties such as direction, position, rotation, angle and current by detecting the magnetic field and its changes. Compared to other direct methods, such as optical or mechanical sensor, most magnetic sensors require some signal processing to get the property
  • Development of Battery-Free Multi-Rotation Absolute Encoder
    In recent years, greater accuracy and better reliability are demanded of motors, especially motors used in critical positioning applications. Such systems typically utilize encoder feedback with battery backup mounted on the motor, allowing it to perform closed loop control. However, since
  • Settling Behavior of 757-Series Miniature Tilt Sensors
    After an "instantaneous" rotation of a 757-Series tilt sensor, the output settles to approximately 99.9% of its new value within eight time constants. Since the sensor's time constant is 0.13-second, this settling occurs over about one second. The final 0.1% of output change takes a bit longer
  • Sensorless and Always Without Reverse Rotation: Rapid and Accurate Startup for Blower Fan Motors
    In modern fans or pumps, cost savings and power efficiency incentives are pushing motor designs toward sensorless motor drivers. Conventional motor drivers use trapezoidal motor control with three Hall sensors: The Hall sensors give the rotor position, and the motor generates a robust torque
  • Single and Multi-Turn Servo Encoder
    Single-turn and multi-turn encoders are devices used to measure the rotational position of servo motors, and the difference between them is mainly in the measurement range and accuracy. Single-turn encoders: Single-turn encoders can only measure one turn (360 degrees) of rotational position
  • The Future of Automotive Wheel Sensing with GMR
    Magnetic sensors are used extensively in modern vehicles, serving to measure the position of moving parts, rotation angles, and the flow of electric current. The versatility, reliability, and economy of these contactless silicon-based sensors make them uniquely suited for automotive and industrial
  • FieldQ Valve Actuator - English
    and proportionally to the rotation of the actuator pinion. The linear movement of the position probe is tracked by a GMR sensor. This GMR sensor is placed in the protruding part (3) of the Control module (4), which slots in the Pneumatic Module (5). Control Modules: The electronics in the Control

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