Design a system to measure the bending moment (up and down) and torque in the tail boom of the human-powered aircraft shown below. You will need two Wheatstone bridges. Your system should measure the bending and torque independently, but not be sensitive to any other internal forces, like axial force, transverse shear, or bending moment about the vertical axis (back and forth). (If relevant) A clearly labeled diagram (or diagrams) about your analysis with a coordinate system and relevant labels. Final answer with appropriate units and significant figures. You can use the fprintf() command in MATLAB to format numerical results A 2-3 sentence reflection on your answer. Does it make sense? Why or why not? What are some implications? (a) Make a few clear, labeled sketches showing approximately where you would place the strain gauges. Consider the location (along the length of the boom), positioning (around the circumference of the boom), and orientation of the gauges. Show clearly how the gauges would be attached to the Wheatstone bridges. (b) The tail boom is a hollow cylinder with an outer diameter of 78 mm and a wall thickness of 1.5 mm made of CFRP with a Young's modulus of 70 GPa. What is the sensitivity of your measurement system for the bending moment (mV/N-m) and the torque (mV/N-m)?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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5.
Design a system to measure the bending moment (up and down) and torque in the tail boom of the human-powered aircraft shown below. You will need two Wheatstone bridges. Your system should measure the bending and torque independently, but not be sensitive to any other internal forces, like axial force, transverse shear, or bending moment about the vertical axis (back and forth).

(If relevant) A clearly labeled diagram (or diagrams) about your analysis with a coordinate system and relevant labels.
Final answer with appropriate units and significant figures. You can use the fprintf() command in MATLAB to format numerical results
A 2-3 sentence reflection on your answer. Does it make sense? Why or why not? What are some implications?

(a) Make a few clear, labeled sketches showing approximately where you would place the strain gauges. Consider the location (along the length of the boom), positioning (around the circumference of the boom), and orientation of the gauges. Show clearly how the gauges would be attached to the Wheatstone bridges.

(b) The tail boom is a hollow cylinder with an outer diameter of 78 mm and a wall thickness of 1.5 mm made of CFRP with a Young's modulus of 70 GPa. What is the sensitivity of your measurement system for the bending moment (mV/N-m) and the torque (mV/N-m)?

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