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Glove Controlled Hand

Cost Analysis

PCB Design

Sensors and Actuators

4.5" Flex Sensor

Servo Motors

Straw Man Designs

1) Glove Controlled Hand by Instructables

2) Tact: Low Cost, Advanced Prosthetic Hand by Instructables

Tact Hand

Cost Analysis

PCB Design

Sensors and Actuators

Escape 16 Coreless DC Gear Motor

Towerpro

SG90 Servo

Disposable EMG Electrodes

The Robot Company:

Bionic Hand

Basic Design

Submitted by Mia Lai

Human Body

Bionic Hands

Bionic Hands have revolutionized the lives of the amputees.

Historically, leading prosthetics can cost up to 100,000 USD (according to the Open Hand Project). But, with the advancement of 3D printing, this cost can be reduced significantly!

Lower cost means larger market reach and increased impact!

Project Mission

Consumer Needs

" The prosthetic system shall allow a soldier requiring a prosthetic arm to eat a McDonald's Quarter Pounder with Cheese meal. The prosthetic system will be designed to support the large community of wounded soldiers needing a prosthetic arm. While a fixture may be used to hold the meal, the other arm may not be used to feed the hungry soldier. "

It is not uncommon for soldiers to return home missing a member.

Use of prosthetic limbs help allow these men and women to retain relatively normal functioning.

Fabrication

E&C Engineer: Sara Gonzalez

Manufacturing Engineer: Wilson Mach

MST Engineer: Mia Lai

Project Manager: Kimberly Younger

Microcontroller Designation

Motors, Actuators, Servos, Balls

Sensors

3D printing

Signal Complications

Use of EMG (electromyographic) signals may be costly and complicated - EMG input can be as small as .5 mV - Noise can be an issue.

Use of EEG (electroencephalographic) signals may be difficult to acquire

Force applied at the output must be very precise to the object that it is interacting with

Everything must be compatible with the adjacent arm, being built by others

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