Entries by Carolina Barrera

Battery Blog Post

Conducted by:  Luis J. Martinez (Mission, Systems, and Test Engineer) Battery (Duration, Powertrain) As selected from our previous trade-off studies, the battery of choice for powering our Prosthetic Arm, in conjunction with the Prosthetic Hand, recognized as the Upper-Limb Prosthetic System was the 14.8V (4S), 1600–mAh Zippy Compact Lithium-Ion Polymer (LiPo) battery. Incorporated into our […]

Final Blog Post – Prosthetic Arm (Fall 2016)

Table of Contents Executive Summary Program Objective By Carolina Barrera   The objective of the Prosthetic Arm is to engineer and design an arm that will help position the hand in three-dimensional space. The arm should allow the hand to reach the mouth as well as the dinner table (tray) to allow the user to […]

Codding Prosthetic Arm

Written by: Fabian Suske Approved by: Carolina Barrera   Table of Contents Intro: In order to fulfill mission success, the selected components need to brought to live. Therefore the MCU Teensy needed to be programmed.   Objective: The objective of the Code is to read the EMG sensor, the temperature sensor, the kill switch as […]

Noise Requirement

written by: Fabian Suske Approved and Edited by: Carolina Barrera Table of Contents Intro: In order to fulfill the L2-13 subsystem requirement “Safety/Temperature sensor” a test has been carried out. This test followed the Verification and Validation Test Plan. The temperature sensor was implemented as a safety switch in the device. The feature is to […]

Temperature Sensor / Safety

Written by: Fabian Suske Approved and edited by: Carolina Barrera Table of Contents Intro: In order to fulfill the L2-13 subsystem requirement “Safety/Temperature sensor” a test has been carried out. This test followed the Verification and Validation Test Plan. The temperature sensor was implemented as a safety switch in the device. The feature is to […]

Kill Switch / Safety

Written by: Fabian Suske Edited and Approved by: Carolina Barrera Table of Contents Intro: In order to fulfill the L2-12 subsystem requirement “Safety/Kill switch” a test has been carried out. This test followed the Verification and Validation Test Plan.   Test Objective: The test criteria that needs to be tested in this inspection is the […]

Portability (L2-8)

written by: Fabian Suske Approved and edited by: Carolina Barrera Table of Contents Intro: In order to fulfill the L2-8 subsystem requirement “Portability” an inspection has been carried out. This test followed the Verification and Validation Test Plan. This requirement is basically to ensure the arm can be operation for 20 minutes – as agreed, […]

Blogpost Speed requirement (L2-6)

Written by: Fabian Suske Edited and approved by: Carolina Barrera Table of Contents Intro: In order to fulfill the L2-6 subsystem requirement “speed” a test has been carried out. This test followed the Verification and Validation Test Plan. The speed is mainly a requirement that was generated to make an effective system that would allow […]

Blogpost PCB requirement (L1-11)

Written by: Forrest Pino Edited and Approved by: Carolina Barrera Table of Contents Intro: In order to fulfill the L1-11 system requirement “Custom PCB” an analysis has been carried out. This test followed the Verification and Validation Test Plan. This requirement was one that applied to all the groups in EE 400D. It requires that […]

MyoWare – MYOELECTRIC SENSOR

Written by: Carolina Barrera Our muscles are controlled, and usually move thanks to electric impulses that produce contraction in these, and the reaction to that contraction is what we know as a movement. Electromyography technology was developed to evaluate and record this electrical activity. Myoelectric signals are becoming popular in medicine and prosthetic technology probably […]