15 Aug

Weekly Update 8/15

Devon Liu

This past week I have finalized the designs for my robotic hand and arm and am able to use the now consistent fabrication process to output a length I want based on the precursor length and annealed length with the following equation: (0.26)x = annealed/expanded length

For example, if you want an SCP actuator with a 5.5 cm annealed/expanded length, the contracted length is 5 cm. So,

  • (0.26)x = 5.5
  • x = 20 cm Therefore, the precursor fiber length is 20 cm.

I have also worked on trying to integrate the SCP actuators into the robotic hand. I am able to do so for the individual parts, specifically the fingers, but I am still figuring out how to piece everything together and connect it to the esp8266 and motor shield. Right now, I am almost done with connecting the fingers, palm, and arm together with fishing line in order to display how the actuators may be integrated.

I have also completed my final poster (attached below) that was required by the HSSRP program I am a part of. The past few days I have also been practicing my presentation as I am scheduled to present tomorrow 8/16 on the work I have done this summer.

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