5. Conclusion

5 Conclusions
In conclusion, our exo arm is working and the accuracy of the servo is good in both reaction time and turning degree.
5.1 Practical Applications
Our exo arm can be used for medical purposes when people break their arm and are recovering, they have to undergo physiotherapy thus, our creation can help with physiotherapy. During physiotherapy,there is a lot of things that the person cannot do such as lifting something like a few books etc. Using our exo arm this can be made easy as the person can lift items which are up to 6kg and also lift them up to some degree. Our exo arm would be very useful in the medical field.


5.2 Areas for further study
1)Other axes of rotation because our prototype can only move in 1 axis. As our current exo arm can only move in 1 axis, there could be other axes of rotation such as left and right too. This would allow the user to lift objects at any possible rotation from up, down to left, right.This would make it more comfortable and easy to use our exo arm as it is similar to the normal movements of an ordinary human being.

2)Control over the fingers. There are some things that can be lifted by only the fingers hence an extension could be made using wires and letting fingers through rings which are connected by wires. A code could also be created for the fingers’ movement as the rings could be able to move the fingers too making it even more easier for the user.


6 Overall evaluation of Discussion and Conclusions
6.1 Comparisons with previous research
Titan Arm

Our solution is unique in that it will be a low-cost, ergonomic device actuated through sensors measuring the user’s motion. Through onboard sensing, the skeleton can provide rich data, such as range of motion for use in physical therapy. This data can be used by doctors and patients to more accurately track improvement over time. With its low cost, hospitals could employ multiple devices and aid a larger audience of patients; the devices could even be used at home for physical therapy, which would dramatically increase quality of life for patients.Outside of physical therapy, augmented strength is applicable to physically intensive occupations, as well as search and rescue operations. Each year, thousands of workers must take leave due to injuries triggered by heavy lifting; with augmented strength, workers could avoid harmful situations.(McGill, N., Parrotta, N., & Vladimirov, N. 2013)


Comparisons:
1) The Titan Arm Project, uses sensors to measure the user’s motion which provides data on the range of motion in physiotherapy. In our project, we are using a flex sensor which when bent, would allow the servo to react causing the servo to turn to a certain angle of turning.


2)The Titan Arm Project’s main objective is to help in physiotherapy and make quality of life of patients better as well as in augmented strength and rescue missions.Our project’s main objective is to also help in physiotherapy and help them do basic activities even during or after physiotherapy.


3)The Titan Arm uses EMG Sensing to sense muscle activity of the patient during physiotherapy whereas our project does not have the ability to sense the muscle activity of the user.


4)The Titan Arm is able to turn 360˚ in any direction capable of an ordinary human being whereas our project has only one axis of rotation which is up and down only.


5)The Titan Arm allows the user to be able to lift an additional 18kg whereas our project is only capable of 6kg.

Through these comparisons, we found out that our project differed in a few ways compared to The Titan Arm Project such as the instruments used, the objective of the project, The Titan Arm's ability to sense muscle activity, axes of rotation and lifting capability.

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