#  Testing 

 



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*From [Contraction Sensing with Smart Braid McKibben Muscles (2015)](/publications/contraction-sensing-smart-braid-mckibben-muscles): "We tested the actuator in a custom-made test apparatus in which we applied different pressures and loads while measuring both inductance and the ground truth actuator contraction. Pressure control was achieved with a custom feedback loop driven by a proportional valve (Enfield LS-V05s) and a pressure transducer (WIKA A-10). Contraction of the actuator was measured from the motion of a sliding carriage affixed to the actuator end. A string potentiometer was used to measure the position of the carriage (UniMeasure LX-PA, 10" range)."*

   ![test_stand.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtdesigncomp/files/test_stand.png?itok=xZVdDH2I)