Got a tricky question? Receive an answer from students like you! Try us!

development a brain controlled prosthetic hand - Research Paper Example

Only on StudentShare
College
Research Paper
Miscellaneous
Pages 7 (1757 words)

Summary

New research is speeding the development of brain-controlled devices that may soon allow amputees and paraplegics to use their limbs. Within a few short years, these so-called brain-computer interfaces (BCI) may also allow people completely paralyzed by neurodegenerative diseases to regain some movement or ability to communicate with those around them.

Extract of sample
development a brain controlled prosthetic hand

The recorded brain signals are then used to control a physical or virtual device that carries out a task according to the user's intent.
The first step we took when designing the prosthetic hand was to decide on the best control mechanism for finger movement. The goal for our design was to minimize the number of actuators necessary to control the movement of the finger and simplify the equations needed to describe the motion of the finger.
The first proposal, which was the tension controlled model, consisted of the three joints of the finger, with a cable attached to a fixed point on each link of the finger which was run back through the finger to an actuator mechanism at the hand or behind the wrist. For this model, each joint would have a compliant mechanism which forced the resting state of the links to be in the bent position.
The second approach for this design has the complaint mechanisms such that the resting state for the links is in the straightened positions. A second design proposal included the use of pneumatic systems to drive the bending or unbending of the fingers. In this proposal small tubes could be used to fill with either air or liquid to actuate the finger. The noise would create the same discomfort for the user as non life-like prosthetics.
The third proposal for the finger design wa ...
Download paper
Not exactly what you need?

Related Essays

Neurological Biological Development of the Brain
The brain is an incredibly intricate and complex part of the human body. It is made up of neurons, or brain cells and these brain cells connect to one another through synapses, which are physical gaps between the neurons. Then there are neurotransmitters which are used to carry signals between brain cells, and these also work by diffusing across the synapse and triggering the electrical activity that transmits information throughout the brain itself. The grown adult human brain contains about 200 billion neurons, and it needs to be known that the number of neurons that are in the brain…
8 pages (2008 words)
Microprocessor Prosthetic Knee Use for Transfemoral Amputees
The 19th century saw the use of more advanced lighter-weight prostheses made of wood. It has been found that amputations are largely due to trauma in developing countries while they are from vascular reasons in the developed countries.2 Vascular problems are usually associated with a lot of other illnesses which may limit a person's mobility and hence eliminate the urgent need for an advanced prosthesis. On the contrary, post-trauma amputees are usually younger with more active lifestyles and hence are candidates for advanced prosthetic placements so as to ensure uncompromised quality of life.…
10 pages (2510 words)
Hand Hygiene
Medicinenet.com (2007) defined hygiene as "The science of preventive medicine and the preservation of health. From the name of Hygeia, the daughter of Asklepios, the Greek god of medicine (whose staff with entwined snake is the symbol of medicine). Asklepios (known to the Romans as Aesculapius) had a number of children including not only Hygeia but also Panaceia, the patroness of clinical medicine. Hygeia also followed her father into medicine. As the patroness of health, Hygeia was charged with providing a healthy environment to prevent illness. In Greek, "hygieia" means health."…
6 pages (1506 words)
Victimization within Controlled Populations
The second context of organizational crime is the technological advancements and innovations that make it possible for criminals to proliferate their activities below the radar screen of many authorities. Through the use of the Internet and electronic banking, criminal organizations are finding these means extremely convenient and simple to operate in order to extract large funds usually at the expense of an unsuspecting victim. The third context of organizational crime is the ability to propagate large schemes involving financial corruption by defrauding not only the citizens but civic…
3 pages (753 words)