1. Manufacturers of process control automation . 2.Manufacturer of process control automation .

Hiwayson Technology (Shenzhen) Limited

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Industrial production process control system to the continuous process, for example, has been developed from the process of heat quantity control to product quality online monitoring, dynamic detection of equipment operation. Production status monitoring and coordinated control of equipment. The new industrial control system is more from a large system perspective, for metallurgy, oil refining. Power, petroleum. Chemical industry, building materials and other continuous production process design. Along with the high temperature, high pressure, high speed process requirements, automation system to ensure safety. Protect the environment. Energy saving and consumption reduction, improve quality and efficiency of the important equipment. Many production processes are not capable of human labor, and non-automation is not enough to ensure safety and quality. What is dealt with is not only single-parameter systems, but also nonlinear problems, time-varying parameter problems, and stochastic process control problems. Classical control theory, analog-based regulation system can no longer meet the production needs, instead of the state space method of modern control theory, more digital systems using digital-analog combination, such as centralized systems, decentralized systems, a new generation of programmable control systems. In addition, the system is composed of industrial control computers, and in recent years, bi-directional multi-variable digital communication has been realized. And the control loop will be downloaded to the grass-roots fieldbus technology. 1999 key support for technological innovation projects are as follows:

1. Fieldbus technology of the fully open decentralized control system Fieldbus (Fiedbus) concept from the decentralized control system (DCS) since the introduction of the concept of brewing, which is the combination of automation technology, computer network technology and the instrumentation development of the results, and will change the customary control system. It is the result of the combination of automation technology, computer network technology and instrumentation technology development, and will change the customary control mode. For the industrial automation industry, this is a fundamental change, which also brings new development opportunities. The fieldbus control system realizes the full digitalization between the field instrument and the control room. Two-way. Multi-station communication, to overcome the closed system formed by the defects, so that the control function is completely downloaded to the scene, a new generation of fully distributed system. It is characterized by: openness. Decentralized and all-digital communication. This system has a broad market outlook, and can greatly improve the level of industrial production process control technology. This year's key support:

(1) new field instrumentation, device software and hardware development, including high-performance, multi-variable. Multifunctional field intelligent transmitters, intelligent actuators and communication day and other products;

(2) based on the fieldbus control system system configuration software development and development of portable bus sub-expander;

(3) as a node of the fieldbus network of special control devices. Data acquisition device development;

(4) low-cost fieldbus system and device development (application occasions for: grain. Food storage system, modern agriculture, vegetables, herbs. Flower planting environment detection, control system);

(5) based on OPC technology control and operation software development;

(6) fieldbus control system network technology.

2. A new generation of industrial control computers

PCI local bus began in Inter, its full name in English is Periphera Component 1nterconnet. it is a high-performance 32-bit and 64-bit bus with address, data multiplexing. Solve the processor and display device bottleneck problem, meet the graphics-oriented operating system and application requirements, it not only meets the high, medium and low-grade desktop application needs.

Compact PCI (compact peripheral component interconnet) means "solid PCI". It is the electrical and software of the PCI bus plus a Eurocard that has the ability to remove and replace components without shutting down the system. The realization of "Plug and Play" function is very important for highly available and fault-tolerant system, Compact PCI can utilize the existing other bus products, such as: STD, VME, 1SA, etc. to expand its functions, to achieve *** storage, and has good accommodation. This year's focus on support:

(1) development, development of Compact PC1: from the STD bus, industrial PC, that is, the latest launch of Compact PCI technology, it is not difficult to see, China's industrial control computer development and innovation should be absorbed and inherited from the commercial computer software and hardware development experience, to take the road of compatibility with the commercial machine.

(2) absorb the characteristics and advantages of Compact PCI technology, the development of chassis and motherboards suitable for market demand; (eg: 3U, 6U chassis, "ALL-in-One" CPU board)

(3) the use of Compact PCI specification, combined with intelligent 1 / O template, through system integration, and the development of industrial control computers in China. O template, through the system integration, were combined to adapt to the control system in various fields;

(4) in order to adapt to the application of Windows graphics software technology, supporting the development of the corresponding driver with the hardware;

(5) the development or reference to the function of the good, low-cost control software, in order to give full play to the compact structure of the Compact PCI, anti-vibration, heat dissipation, and a number of advantages suitable for embedded applications, The advantages of Compact PCI's compact structure, vibration resistance, good heat dissipation, and suitability for embedded applications are fully utilized.

3. Real-time intelligent control software To date, the world's most advanced and effective control system is the human body, so the study of the human body's own performance of the control mechanism, and the operation of the software to mimic the realization of the solution to the problem of difficult to control the industrial process of an important way. At present, the introduction of intelligent control software in the industrial production process control system is mainly for nonlinear, large hysteresis, multi-variable. Uncertainty and even rough and unable to model the production process. Because these processes are difficult to control, with the traditional classical control methods are difficult to achieve results. Due to the complex production process can not be well controlled, making the enterprise production energy consumption can not go down, quality can not go up, and even production is not stable enough. Therefore, the development of intelligent control in China is an effective and feasible way. According to the current situation of China's industrial production process control, this year's focus on supporting:

(1) real-time intelligent control software packages, including: fuzzy controllers, simulation of intelligent control software packages, to provide the corresponding embedded in the DCS and other control devices and control configuration software interfaces;

(2) a variety of oil refining, chemical industry, metallurgy, building materials and other production equipment, key equipment, on-line operation optimization

(3) advanced control software packages such as multi-variable predictive control, multi-variable intelligent coordinated control, etc.

(4) key equipment fault diagnosis software package.

4. Real-time intelligent control software platform tools In order to help and support the development of real-time intelligent software, technology-based small and medium-sized enterprises in a position to hope that the development of independent intellectual property rights of the engineering of real-time intelligent control software platform tools, the focus of this year's support:

(1) fuzzy control development platform; the use of CAD methods to support the engineers to develop fuzzy control, from the affiliation function It supports engineers to develop fuzzy control from the establishment of affiliation function, generation of planning library, multiple inference methods and selection of clarification methods. The control algorithm can be generated directly by graphical configuration and embedded in other conventional controls.

(2) Expert system development platform; support for the entire expert system development and generation cycle, support for a variety of reasoning methods and reasoning mechanisms, graphical configuration development, and conventional control can be well integrated.

(3) Neural network development platform.

Support from the sample data collection/entry, a variety of network model selection, graphical monitoring of the training process, automatic generation of neural network control algorithms, and can be integrated with conventional control. It must be pointed out: the current engineering application of intelligent control must be integrated with conventional control methods (loop regulation, logic chain, screen monitoring, etc.) is the most effective way.

5. High-precision, modular intelligent 1 / 0 technology

Existing various types of industrial production process control system in the main monitoring part (for the industrial computer) is generally placed far from the scene of the control room, the site of the measuring instrument (temperature. pressure. Pressure. Flow, speed and other positioners or transmitters) output signals (4.20mA) through a number of parallel cable transmission to the control room, and the corresponding industrial control machine connected. Industrial computer through the template or module will be transformed into digital signals (AO conversion) processing; and vice versa can be transformed into analog signals digital signals (D / A conversion). If the electrical signals output from the field instruments can be transmitted as digital signals on the spot, or the digital signals at the upper level can be transmitted to the site and then converted into analog signals for input to the instrumentation devices, a large number of instruments and devices on the site and the control room can be interconnected with the control room through a few twisted pairs of wires to complete the functions of the traditional control system, thus reducing the cost, facilitating the maintenance, improving the reliability of the system, and reducing the area of the control room. Area of the control room. This is the implementation of intelligent 1 / 0 technology and field measurement and control network technology for the existing types of traditional control systems. This year's focus on support:

(1) the development of intelligent units (microcontroller, DSP), 1 / O circuitry, network access to the day and the corresponding software composed of intelligent 1 / O module. Microcontroller, DSP should choose to apply and advanced 1 / O circuits should include: A/D, D / A, v / F, and DI / DD commonly used type; isolated and non-isolated type.

(2) the development of intelligent 1 / O module, on-site measurement and inspection network, management computer and the corresponding software composed of measurement and control system; intelligent (0 template can be a single input or output function, can also be a self-closing circuit control function. Measurement and control network can be a single type, or a variety of networks mixed composition.

(3) research and promotion of intelligent 1 / O module extended to non-industrial production process applications, such as: urban electricity meter, gas meter, hot water meter and cold water meter automatic charging system; electrified railway substation feeder microprocessor protection system and other aspects.