Industrial Meterology

Question 1

What are the Working Principles of a Laser Tracker?

Answer 1

• Detect Reflector
• Measure angle and distance
• Follow Reflector when moving

Question 2

What is the principle of Hz and V encoder?

Answer 2

• Measure arc length b
• Know radius of circle R
• Calculate angle a
• a = b/R

Question 2

What is the formula for range in V encoder?

Answer 2

r = 1/2 ct

Question 2

What is a technique in inferometry?

Answer 2

Using 2 frequencies

Question 3

What is a measuring arm

Answer 3

Measuring arm with contact or no contact triangulation scanner

Question 4

What are the steps for quality inspection?

Answer 4

1. Data acquisition
2. Data pre-processing
3. Processing target values

Question 5

How do beats relate to range in measurement of time of flight?

Answer 5

Beats = 2 range

Question 6

What is the summary of TOF?

Answer 6

Longer range, no reflector needed

Question 7

What is the summary of triangulation?

Answer 7

Higher accuracy, no reflector but only close ranged

Question 8

What is the summary of Interferometry?

Answer 8

Highest accuracy, mid range, reflector needed

Question 9

What is IMU?

Answer 9

Inertial measurement unit

Question 10

What is LiDAR

Answer 10

Light detection and ranging

Question 11

What is SLAM?

Answer 11

Simultaneous Localization and Mapping