Details of an implementation of a mechanism within the control chambers for selective lengthening of the sides of the soft robot. Details of an implementation.

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Presentation transcript:

Details of an implementation of a mechanism within the control chambers for selective lengthening of the sides of the soft robot. Details of an implementation of a mechanism within the control chambers for selective lengthening of the sides of the soft robot. A series of latches are manufactured into the control chambers shown in Fig. 3 (A to D). Each latch crosses pinched material, such that when released, the side lengthens. There are four total states. State 1: When the control chamber is depressurized and the latch is on the side, the latch remains closed. State 2: When the control chamber is depressurized and the latch is at the tip, the latch remains closed. (When a control chamber is depressurized, the pressure from the main chamber keeps the latch closed regardless of whether the latch is on the side or at the tip.) State 3: When the control chamber is pressurized and the latch is on the side, the latch remains closed. State 4: When the control chamber is pressurized and the latch is at the tip, the latch opens. (When the control chamber is pressurized, the latch remains closed if it is along a side, due to the shape of the interlocking of the latch, but the latch opens if it is at the tip because the high curvature overcomes the interlocking.)‏ Elliot W. Hawkes et al. Sci. Robotics 2017;2:eaan3028 Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works