UCPCN 过程控制（气动阀），由计算机控制（PC）

6.1.1.3.- 工业系统应用 10.3.- 工业应用和系统
COMPUTER CONTROLLED PROCESS CONTROL (PNEUMATIC VALVE) - UCPCN

創新系統

The Computer Controlled Process Control (Pneumatic Valve), "UCPCN", designed by EDIBON, allows the study of several types of automatic control and can be used to control different variables (flow, level, temperature, pressure, pH, conductivity and TDS) in several ways.

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化验室

11PTC
 石油培训中心实验室
10TV
 技术和职业教育过程控制实验室
10HE
 高等教育过程控制实验室

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一般說明

The Computer Controlled Process Control (Pneumatic Valve), "UCPCN", designed by EDIBON, allows the study of several types of automatic control and can be used to control different variables (flow, level, temperature, pressure, pH, conductivity and TDS) in several ways.

The control is done automatically by acting on an pneumatic valve.

The minimum supply consists of two main elements: the Base Unit for UCPCN, "UCPCN-UB", and at least one of the required elements described below. The main elements of the Base Unit for UCPCN, "UCPCN-UB", are:

  • Storage tank and collector at the top of the unit with hole in the central dividing wall and drainage in both compartments (methacrylate).
  • Dual process tank, interconnected through an orifice and a ball valve and overflow in the dividing wall, preventing the complete flooding of the tank and allowing to modify its effective liquid volume.
  • Hydraulic circuit composed by two centrifugal circulation pumps, two flow meters, three all/nothing solenoid valves and a pneumatic valve for control.
  • Helix stirrer, which guarantees a good uniformity of the variables to be controlled.

Required elements (at least one) (Not included):

  • UCPCN-T. Set for Temperature Process Control for UCPCN.
  • UCPCN-C. Set for Flow Process Control for UCPCN.
  • UCPCN-N. Set for Level Process Control for UCP.
  • UCPCN-PA. Set for Water Pressure Process Control for UCPCN.
  • UCPCN-PH. Set for pH Process Control for UCPCN.
  • UCPCN-CT. Set for Conductivity and TDS (Total dissolved Solids) for UCPCN.

All these required elements, designed by EDIBON, allow the user to perform different types of controls, and to study experimentally the different responses of the system. It will be possible to perform closed loop control by means of an all or nothing controller (ON/OFF), learn how to reach a desired value manually, perform control by means of a proportional controller (P), perform control by means of a proportional + Integral controller (PI), perform control by means of a proportional + Derivative controller (PD), study experimentally the characteristics of the integral, proportional or derivative component of a PID controller, adjust the components of a PID controller for the control of different variables, etc.

In addition, all our units are supplied with a process diagram explaining the location of all elements, valves, sensors, actuators, etc. found in the unit.

This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.

練習和指導練習

手册中包含的指导实践练习

Practices to be done with the Set for Temperature Process Control for UCPCN (UCPCN-T):

  1. Temperature control loops (Manual).
  2. Temperature control loops (On/Off).
  3. Response of a temperature system to a step input.
  4. Temperature control loops (Proportional).
  5. Temperature control loops (Proportional + Integral).
  6. Temperature control loops (Proportional + Derivative).
  7. Temperature control loops (Proportional + Derivative + Integral).
  8. PID tuning for a temperature control system (Ziegler-Nichols).
  9. Adjustment of the constant of a controller of temperature (Reaction Curves).
  10. Temperature sensor calibration.

Practices to be done with the Set for Flow Process Control for UCPCN (UCPCN-C):

  1. Flow control loops (Manual).
  2. Flow control loops (On/Off).
  3. Response of a flow system to a step input.
  4. Flow control loops (Proportional).
  5. Flow control loops (Proportional + Integral).
  6. Flow control loops (Proportional + Derivative).
  7. Flow control loops (Proportional + Derivative + Integral).
  8. PID tuning for a flow control system (Ziegler-Nichols).
  9. Adjustment of the flow controller constants (Reaction Curves).
  10. Flow sensor calibration.

Practices to be done with the Set for Level Process Control for UCPCN (UCPCN-N):

  1. Level control loops (Manual).
  2. Level control loops (On/Off).
  3. Response of a level system to a step input.
  4. Level control loops (Proportional).
  5. Level control loops (Proportional + Integral).
  6. Level control loops (Proportional + Derivative).
  7. Level control loops (Proportional + Derivative + Integral).
  8. PID tuning for a level control system (Ziegler-Nichols).
  9. Adjustment of the constants of a level controller (Reaction Curves).
  10. Level sensor calibration.

Practices to be done with the Set for Water Pressure Process Control for UCPCN (UCPCN-PA):

  1. Pressure control loops (Manual).
  2. Pressure control loops (On/Off).
  3. Response of a pressure system to a step input.
  4. Pressure control loops (Proportional).
  5. Pressure control loops (Proportional + Integral).
  6. Pressure control loops (Proportional + Derivative).
  7. Pressure control loops (Proportional + Derivative + Integral).
  8. PID tuning for a pressure control system (Ziegler-Nichols).
  9. Adjustment of the constants of a pressure controller (Reaction Curves).
  10. Pressure sensor calibration.

Practices to be done with the Set for pH Process Control for UCPCN (UCPCN-PH):

  1. pH control loops (Manual).
  2. pH control loops (On/Off).
  3. Response of a pH system to a step input.
  4. pH control loops (Proportional).
  5. pH control loops (Proportional + Integral).
  6. pH control loops (Proportional + Derivative).
  7. pH control loops (Proportional + Derivative + Integral).
  8. PID tuning for a pH control system (Ziegler-Nichols).
  9. Adjustment of the constant of a pH controller (Reaction Curves).
  10. pH sensor calibration.

Practices to be done with the Set for Conductivity and TDS (Total dissolved Solids) for UCPCN (UCPCN-CT):

  1. Conductivity control loops (Manual).
  2. Conductivity control loops (On/Off).
  3. Response of a conductivity system to a step input.
  4. Conductivity control loops (Proportional).
  5. Conductivity control loops (Proportional + Integral).
  6. Conductivity control loops (Proportional + Derivative).
  7. Conductivity control loops (Proportional + Derivative + Integral).
  8. PID tuning for a conductivity control system (Ziegler-Nichols).
  9. Adjustment of the constant of a conductivity controller (Reaction Curves).
  10. TDS control loops (Manual).
  11. TDS control loops (On/Off).
  12. Response of a TDS system to a step input.
  13. TDS control loops (Proportional).
  14. TDS control loops (Proportional + Integral).
  15. TDS control loops (Proportional + Derivative).
  16. TDS control loops (Proportional + Derivative + Integral).
  17. PID tuning for a TDS control system (Ziegler-Nichols).
  18. Adjustment of the constant of a TDS controller (Reaction Curves).
  19. Conductivity and TDS sensor calibration.

Cascade process control:

  1. Temperature and level cascade control.
  2. Temperature and flow cascade control.
  3. Temperature and pressure cascade control.
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与该单位进行更多实际操作

  1. Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
  2. Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivative parameters, etc, in real time.
  3. The Computer Control System with SCADA and PID Control allow a real industrial simulation.
  4. This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  5. This unit can be used for doing applied research.
  6. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  7. Control of the UCPCN unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the UCPCN unit process.
  9. By using PLC-PI additional 19 more exercises can be done.
  10. Several other exercises can be done and designed by the user.

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