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Sensor Posisi & Jarak

Sensor Posisi & Jarak. TUJUAN : Memahami klasifikasi sensor displacement & posisi. Position & Displacement Sensor. Memahami prinsip kerja sensor displacement & posisi. Memahami aplikasi sensor displacement & posisi. Sensor Posisi & Jarak.

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Sensor Posisi & Jarak

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  1. Sensor Posisi & Jarak TUJUAN : Memahami klasifikasi sensor displacement & posisi Position & Displacement Sensor Memahami prinsip kerja sensor displacement & posisi Memahami aplikasi sensor displacement & posisi

  2. Sensor Posisi & Jarak Displacementthe difference between the initial position and the final position of an object Position & Displacement Sensor Position #1 Position #2

  3. Pengukuran Displacement • Position • Velocity • Acceleration • Stress • Force • Pressure • Proximity • Thickness • ….

  4. Besaran Fisik Terukur • Resistive displacement sensor • Inductive displacement sensor • Capacitive displacement sensor • Eddy Current displacement sensor • Piezoelectric displacement sensor • Ultrasonic displacement sensor • Magnetostrictive displacement sensor • Optical encoder displacement sensor • Strain Gages displacement sensor • ….

  5. Piranti Sensor Posisi & Displacement

  6. Potentiometer Resistive Disp. Sensor

  7. Potentiometer Resistive Disp. Sensor • An electrically conductive wiper that slides against fixed resistive element • Potentiometer digunakan untuk konfigurasi pembagi tegangan • Tegangan diaplikasikan pd ujung-ujung resistor. • Tegangan keluaran proporsional dng perpindahan

  8. Macam Konstruksi Potentiometer Potentiometer Resistive Disp. Sensor

  9. Model Pergerakan Potentiometer Resistive Disp. Sensor

  10. Potentiometer Resistive Disp. Sensor • Turn counting dial potentionmeter • Linear motion • Multi turn potentiometer

  11. Potentiometer Resistive Disp. Sensor

  12. Potentiometer Resistive Disp. Sensor • Parameter penting yg hrs diperhatikan : • Suhu operasi • Shock & vibrasi • Kelembaban • Kontaminasi & seals

  13. Potentiometer Resistive Disp. Sensor

  14. Potentiometer Resistive Disp. Sensor

  15. TX – RX Infra Red Optical Disp. Sensor

  16. TX – RX Infra Red Optical Disp. Sensor

  17. TX – RX Infra Red Optical Disp. Sensor

  18. Ultra-Sonic Ultrasonic Disp. Sensor

  19. Limit Switch Limit Disp. Sensor

  20. Electronic Compass Magnetic Disp. Sensor Hitachi HM55B Compass Module Disnmore ECD1490 HMR 3000 – by Honeywell Vector 2X

  21. Electronic Compass Magnetic Disp. Sensor

  22. Aplikasi PSD

  23. Optical Disp. Sensor Optical Encoder. Sensor

  24. Shaft Encoder

  25. Inductive displacement sensor • Self generating type • Ketika ada gerak relatif antara konduktor & medan magnet tegangan diinduksi pd konduktor • Passive type • Memerlukan sumber tenaga eksternal

  26. Inductive displacement sensor • Terdiri dari rangkaian magnetik yg terbuat dari inti ferromagnetic dengan koil yg melilitnya • Koil bekerja sebagai sumber gaya gerak magnet yg membawa flux melalui rangkaian magnet dan gap udara • Reluktansi rangkaian meningkat  flux menurun

  27. Inductive displacement sensor • Linear Variable Differential Transformer (LVDT)

  28. Inductive displacement sensor • Gerak inti magnet mengubah induktansi koil sekunder menuju koil primer • Tegangan koil primer : Vssin(t) • Induksi emf koil sekunder • Ketika koil pada posisi tengah • Ketika koil tdk berada di tengah

  29. Inductive displacement sensor

  30. Capacitive displacement sensor

  31. Capacitive displacement sensor

  32. Capacitive displacement sensor Differential capacitive sensor

  33. Capacitive displacement sensor CATATAN : • Pengukuran displacement untuk gerak rotasi atau translasi • Dapat digunakan pada suhu tinggi dan rendah • Juga digunakan untuk mengukur tekanan • Kondenser mikrofon mengukur perubahan tekanan udara dari gelombang suara yg datang

  34. CCD(Charged Coupled Discharge)

  35. Kesimpulan • Resistive displacement sensor • Inductive displacement sensor • Capacitive displacement sensor

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