CC-E/STD The controller ABB control power board card is available for after-sales

Description

The greatest feature of CC-E/STD in DCS control is that it can realize diversified control strategies to meet the needs of different situations by relying on the flexible configuration of various control and calculation modules, which makes the implementation of quite complicated and complicated propositions in the unit combination instrument simple. With the requirements of high flexibility and high efficiency put forward by enterprises, the control scheme based on classical control theory has been unable to adapt. After the advanced control strategy represented by multivariable predictive control was put forward and successfully applied, the advanced process control has received widespread attention in the process industry. It should be emphasized that the extensive application of various advanced control and optimization technologies is the most effective, direct and valuable development direction to excavate and improve the comprehensive performance of DCS.

CC-E/STD in the actual process control system, the system based on PID control technology accounts for more than 80%. The advantages and disadvantages of PID loop play a decisive role in realizing the smooth, efficient and high-quality operation of the device. All DCS manufacturers take this as a powerful competitive weight to seize the market and develop their own PID self-tuning software. In addition, according to the control function of DCS, based on the basic PID algorithm, various improved algorithms can be developed to meet the needs of the actual industrial control field, such as PID control with dead zone, PID control with integral separation, PID control with differential first, PID control with incomplete differential, PID control with logic selection function, etc.
Different from traditional PID control, CC-E/STD predictive control algorithm based on non parametric model predicts the future output state of the system through the predictive model, and calculates the output of the current controller using the rolling optimization strategy. According to different implementation schemes, there are various algorithms, such as internal model control, model algorithm control, dynamic matrix control, etc. At present, practical predictive control algorithms have been introduced into DCS. For example, IDCOM control algorithm software package has been widely used in practical industrial processes such as hydrocracking, catalytic cracking, atmospheric distillation, naphtha catalytic reforming, etc. In addition, there are HPC from Honeywell, PREDICTROL from Yokogawa, and predictive controller based on Kalman filter developed by Honeywell in TDC-3000LCN system. This kind of predictive controller does not simply put Kalman filter before the previous predictive control for noise filtering, but takes Kalman filter as the optimal state speculator, at the same time, for optimal state prediction and noise filtering.
PID loop display controller
There are many advanced control algorithms. At present, many control software companies and DCS manufacturers at home and abroad are competing to develop engineering software packages for advanced control and optimal control, hoping to embed advanced control and optimal control strategies in configuration software.
Our products are widely used in numerical control mechanical metallurgy, oil and gas, petrochemical industry,
Chemical industry, paper making and printing, textile printing and dyeing, machinery, electronic manufacturing, automobile manufacturing,
Plastic machinery, power, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution.

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