Motor & Motion College
Feedback Devices Course Outline
I. Introduction
A. Instructor Background
B. Overview of Feedback Devices
1. Types
2. Applications
3. Advantages
4. Disadvantages
II. DC Tachometers
A. Overview
B. Principles of Operation
C. Output Signal Qualities
D. Accuracy and Resolution
E. Application Considerations
F. Installation
G. Testing
III. Synchros and Resolvers
IV. Linear and Rotary Inductosynâ
V. Hall Devices
VI. Magnetic Encoders
E. Interpolation
F. Application Considerations
G. Installation
H. Testing
VII. Optical Encoders
A. Types
1. Incremental
a. Bearingless
i. Overview
ii. Principles of Operation
iii. Output Signal Qualities
iv. Accuracy and Resolution
v. Interpolation
vi. Application Considerations
vii. Installation
viii. Testing
b. Bearing, Shaft and Hollow Shaft
vi. Direction Sensing
vii. Application Considerations
viii. Installation
ix. Testing
c. Linear
2. Absolute
a. Overview
b. Principles of Operation
c. Accuracy and Resolution
d. Interpolation
e. Application Considerations
f. Installation
g. Testing
B. Alignment
C. Precautions
D. Connections
E. Noise
F. Maintenance
G. Troubleshooting
1. Using a VOM
2. Using Oscilloscope
3. Using Dedicated Encoder Testers
H. New Developments in Optical Encoders
1. Low Profile
2. Intellegent
a. Memory
b. Serial Communication Interfaces (SSI or ASI)
i. Endat
ii. Profibus
iii. Sincos/Hiperface
iv. Can-Bus
v. Interbus-S
I. Hands on Demonstrations
1. Incremental - Bearingless
2. Incremental - Hollow Shaft
3. Incremental - Shaft
4. Absolute
