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Method for controlling an artificial orthotic or prosthetic kneejoint

  • US 9,968,468 B2
  • Filed: 07/07/2014
  • Issued: 05/15/2018
  • Est. Priority Date: 08/22/2013
  • Status: Active Grant
First Claim
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1. A method for controlling an artificial orthotic or prosthetic knee joint, on which a below-knee component is arranged and which is assigned a resistance device, the method comprising:

  • determining sensor data via at least one sensor during use of the orthotic or prosthetic knee joint;

    changing a flexion resistance R in accordance with the sensor data;

    determining a linear acceleration aF of the below-knee component;

    comparing the determined linear acceleration aF with at least one threshold value;

    changing the flexion resistance R if the threshold value is reached;

    wherein, after a reduction of the flexion resistance R, the method further comprises increasing the flexion resistance R again if, within a predefined time interval, no bending of the knee joint took place, or if, within an enclosed knee angle φ

    K, a limit value for an acceleration is exceeded.

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