5. Digital signal Continuous-time analog signal Continuous-time quantized signal Sampled data signal
6. Figure 1-2 A block diagram of a digital control system BLOCK DIAGRAM OF A DIGITAL CONTROL
7. BLOCK DIAGRAM OF A DIGITAL CONTROL Figure 1-3 Block diagram of a digital control system showing signals in binary or graphic form
8.
9.
10.
11. Quantizing . The standard number system used for processing digital signals is the binary number system. In this system the code group consists of n pulses. FSR is the full-scale range The quantization level Q is defined as the range between two adjacent decision points
12.
13.
14.
15.
16. block diagram of a data-distribution system A block diagram of a data-distribution system Figure 1-5(a) shows a block diagram of a data-acquisition system
![Some Advantages of Digital Controllers: ,[object Object],[object Object],[object Object],[object Object],Modern control system require control of numerous loops at the same time for example pressure, position, velocity and tension . INTRODUCTION](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)