A cantilever beam is to be used as a scale. The beam, made of 2024-T4 aluminum, is 21 cm long, 0.4 cm thick, and 2 cm wide. The scale load of between0 and 200 g is to be concentrated at a point along the beam centerline 20 cm from its fixed end. Strain gauges are to be used to measure beam deflection and mounted to a Wheatstone bridge to provide an electrical signal that is proportional to load. Either 1/4-, 1/2-, or full-bridge gauge arrangements can be used. Design the sensor arrangement and its location on the beam. Can the system achieve a 4% uncertainty at the design-stage? The following specifications and system choices are stated at the 95% confidence level: Sensors: one, two, or four axial gauges at 120 V+0.2% (sclectable) Gauge factor of 2.0+1% Bridge excitation: 1, 3, 5 V+0.5% (selectable) Bridge null: within 5 mV ENluminum=71GPA A cantilever beam is to be used as a scale. The beam, made of 2024-T4 aluminum, is 21 cmlong, 0.4 cm thick, and 2 cm wide. The scale load of between 0 and 200 g is to be concentratedat a point along the beam centerline 20 cm from its fixed end. Strain gauges are to be used tomeasure beam deflection and mounted to a Wheatstone bridge to provide an electrical signalthat is proportional to load. Either 1/4-, 1/2-, or full-bridge gauge arrangements can be used.Design the sensor arrangement and its location on the beam. Can the system achieve a 4%uncertainty at the design-stage? The following specifications and system choices are statedat the 95% confidence level:Sensors: one, two, or four axial gauges at 120 V+0.2 % (selectable)Gauge factor of 2.0+1%Bridge excitation: 1, 3, 5 V+0.5% (selectable)Bridge null: within 5 mVEAluminum=71GP.

Given Data Gauge factor is :GF=2.0±1% Modulus of elasticity of aluminum is : Ealumionium=71 GPa…

Answered: A cantilever beam is to be used as a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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A cantilever beam is to be used as a scale. The beam, made of 2024-T4 aluminum, is 21 cm long, 0.4 cm thick, and 2 cm wide. The scale load of between0 and 200 g is to be concentrated at a point along the beam centerline 20 cm from its fixed end. Strain gauges are to be used to measure beam deflection and mounted to a Wheatstone bridge to provide an electrical signal that is proportional to load. Either 1/4-, 1/2-, or full-bridge gauge arrangements can be used. Design the sensor arrangement and its location on the beam. Can the system achieve a 4% uncertainty at the design-stage? The following specifications and system choices are stated at the 95% confidence level: Sensors: one, two, or four axial gauges at 120 V+0.2% (sclectable) Gauge factor of 2.0+1% Bridge excitation: 1, 3, 5 V+0.5% (selectable) Bridge null: within 5 mV ENluminum=71GPA

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