The phrase "digital control system" is correct and commonly used in written English.
It refers to a system or method of controlling or regulating a process or device using digital technology. Example: "The factory upgraded its production line by implementing a new digital control system, which improved efficiency and reduced errors."
Based on the time-delay feedback controller, a new digital control system is constructed by using a fixed-point and embedded digital signal processor (DSP) of high performance.
Networked control systems where the sensors, controller and actuators of a digital control system reside on different computer nodes linked by a network, aim to overcome the disadvantages of conventional digital control systems at the application level, such as difficulty of modification, vulnerability to electrical noise, difficulty in maintenance and upgrades.
As illustrated in Fig. 1, the WTS system mainly consists of two subsystems, a real-time digital control system (DCS) and a torque-controlled motor as the replaced prime mover [7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21].
Thus, for simplicity, taking a proportional controller as an example, the discrete-time model of the digital control system is derives as (11), where k is the proportional controller parameter.
A linear quadratic feedback controller was implemented on a real-time digital control system to dampen the first four elastic modes of the beam.
The multiple loop controller configuration provides a unique combination of advantages when compared to either a full scale redundant digital control system design or the dedicated single loop controller design.
Conventional and adaptive controllers are properly designed and on-line implemented through a fieldbus digital control system.
To test these control techniques in an efficient and systematic way, we built a digital control system that consists of SIMULINK modelling software and a dSPACE DS1102 controller in a pentium computer.
To design a digital control system, a z-domain transfer function or difference equation model of the controller that meets given design specifications, is seeked.
