1. 1 E552 Sensors & Actuators Dec.9 2005 FlexiForce® Load/Force Sensors Team Members- Team Members- Pariksha Tomar Pariksha Tomar Jaqueline Walter Jaqueline Walter

2. 2 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

3. 3 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

4. 4 Introduction ► Flexiforce sensor - Force Sensor - Force Sensor - Detect contact and /or touch - Detect contact and /or touch - Detect or Measure rate of change of - Detect or Measure rate of change of force etc force etc ► Why choose Flexiforce?

5. 5 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

6. 6 Construction ► ultra thin, Flexible circuit ► pressure-sensitive ink ► active sensing area ► male square pins ► available in different lengths

7. 7 Outline of Project ► Introduction ► Sensor information - construction - construction - mechanism & Behavior - mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

8. 8 Mechanism and Behavior ► inverse relation between force and resistance ► linear behavior between input and output

9. 9 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

10. 10 Applications ► Medical Equipment ► Automotive ► Recreational/Entertainment ► Security Devices ► Grip Forces

11. 11 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

12. 12 Project Scope To find location of force applied anywhere in triangular table To find location of force applied anywhere in triangular tabled1=d2=d3=d=20.3cmx1=y1=0 x2=10.15, y2=17.58 X3=20.3, y3=0

13. 13 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

14. 14 Experimental Set-up ► Triangular table ► Excitation circuit

15. 15 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results

16. 16 Analysis Mathematical Equation Mathematical Equation y=mx+c y=mx+c

17. 17 LabView VI

18. 18 Outline of Project ► Introduction ► Sensor information -construction -construction -Mechanism & Behavior -Mechanism & Behavior ► Applications ► Project Scope -Experiment Set-up -Experiment Set-up -Analysis -Analysis ► Results & comments

19. 19 Results & comments one of the coordinate point of triangle is insignificant in calculations one of the coordinate point of triangle is insignificant in calculations X 0 & y 0 are here but

20. 20 ► Tekscan solution: www.tekscan.com www.tekscan.com ► Basic Mathematics: R.S. Agarwal References Q?Q?