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Khung xương trợ lực cho bệnh nhân tàn tật (Exoskeleton For Paraplegics)

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Spinal cord injuries (SCI) often leave the patient with little to no ability to ever walk again. The Institute for Human and Machine Cognition (IHMC) aimed to help solve that with a powered bionic exoskeleton at the 2016 Cybathlon in Zurich, Switzerland. Their ingenious exoskeleton suit, named Mina v2, utilizes power actuators that strap to an individual’s legs, moving their hip, knee, and ankle joints, allowing an individual to walk unassisted.

How it Works
  1. UNIPULSE sponsored their exoskeleton by providing our UNCLB load cells, which were installed in specialized fixtures IHMC designed, enabling the system to receive accurate force feedback from the motors and closing the control loop, all while allowing the sensor to safely rotate.
  2. A UNCLB is installed in a specialized fixture attached to the motor, allowing it rotate like a human joint, minimize extraneous loads, and provide accurate load data.
  3. As the motor operates, it applies force to the joint, rotating it. This force is measured by the UNCLB.
  4. The mV/V signal from the UNCLB is sent to the amplifier.
  5. The amplified signal is sent to the exoskeleton’s control system, using the amplified load cell output to close the loop and drive the exoskeleton’s motors.
  6. Amplifier output can be simultaneously monitored and adjusted on a Windows PC with software while providing high speed, amplified, analog output.

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