260
CHAPTER 4. LOGIC ELEMENTS
56
4.1.
Basic concepts of logical algebra
63
4.2.
Operations implemented by the logic elements
63
CHAPTER 5. FUNCTIONAL ELEMENTS OF
THE AUTOMATION
64
5.1.
Means of information display
68
5.2.
Master and comparing elements
68
5.3.
Digital to analogue and analogue to digital converters
70
5.3.1. Digital to analogue converters
72
5.3.2. Analogue to digital converters
74
5.4.
Storage device
76
5.5.
Computing unit of automation
76
CHAPTER 6. AUTOMATION AMPLIFIERS
79
6.1.
Overview of automation amplifiers and requirements produced
to them
80
6.2.
Hydraulic amplifiers
81
6.3.
Pipeline hydraulic flow amplifiers
81
CHAPTER 7. ACTUATING MECHANISMS OF
AUTOMATION
82
7.1.
Concept of actuating mechanisms
and their classification
83
7.2.
Electrical actuating mechanisms
84
7.3.
Electrical motor actuating mechanisms
87
7.4.
Advanced electrical actuating mechanisms
88
7.5.
Electromagnetic actuating mechanisms
91
7.6.
Electromagnetic couplings
91
CHAPTER 8. AUTOMATIC CONTROLLERS
92
8.1.
Concept of automatic controllers and their types
95
8.2.
Proportional controllers
95
8.3.
Integral controllers
97
8.4.
Proportional-integral action (PI device) controllers
98
8.5.
Proportional-derivative action controllers
102
8.6.
Hydraulic controllers
102
