- Apr 2020
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www.scienceintheclassroom.org www.scienceintheclassroom.org
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electrostatic
an electric field/charge that is stationary
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capacitor
a device that stores electrical energy between two conducting electrodes separated by a dielectric (nonconducting) material
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Maxwell pressure
when a voltage is applied between electrodes pressure arises, the elastomer contracts in thickness and expands in area.
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dielectric breakdown
occurs when current flows through a material whose electric charges do not flow freely
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hydraulically amplified self-healing electrostatic (HASEL) actuators
A device which generates movement from electrical energy. The device consists of liquid segments which helps amplifying force generation and heals itself in case of an electrical breakdown.
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- Mar 2020
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www.scienceintheclassroom.org www.scienceintheclassroom.org
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actuation
the action of causing a machine to operate
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hydraulic
denoting, relating to, or operated by a liquid moving in a confined space under pressure.
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soft robotics
a subcategory of robotics that deals with the construction of flexible robots to mimic living organisms
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soft actuators
a lightweight, affordable, and easily customizable device component consisting of flexible material that converts energy into mechanical movement in order to move/control a part of the device
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polymer
AP Chemistry
Essential knowledge 1.A.1 (EK1.A.1)
Molecules are composed of specific combinations of atoms; different molecules are composed of combinations of different elements and of combinations of the same elements in different amounts and proportions.
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density
AP Physics II
Fluids: Essentials Knowledge 1.E.1
Matter has a property called density.
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electric field
AP Physics II
Essential Knowledge 5.B.2
A system with internal structure can have internal energy, and changes in a system’s internal structure can result in changes in internal energy. [Physics 1: includes mass-spring oscillators and simple pendulums. Physics 2: includes charged object in electric fields and examining changes in internal energy with changes in configuration.]
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actuation strain
deformation produced by a non-mechanical stimulus
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elastomer
a material that produces a large deformation when a voltage is applied
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polymer fibers
man-made fibers consisting of synthetic chemicals
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transducers
a device that converts an energy signal in to another form of energy signal
an example of this is mechanical energy being converted to electrical energy
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ionically conductive polyacrylamide (PAM) hydrogels
a gel which contains significant amount of water and can conduct electricity
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electrodes
an electrical conductor that makes contact with nonmetallic parts of a circuit
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polydimethylsiloxane
the most widely used silicone based organic polymer
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strain
the ratio of total deformation to the initial dimension of the material body upon application of external forces.
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dielectric permittivity
this ability of a material to hold an electrical charge
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fluidic actuators
a device component which uses hydraulic fluid pressure to convert energy into mechanical movement in order to move/control a part of the device.
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