#3 2009

Rotach V.Ya.  Specification of the concept of automatic control system synthesis

The paper shows that the concept of automatic control system synthesis discussed in the manuals is actually a servo mechanism concept that may entail wrong results in some critical applications. It discusses the modified concept of process control system synthesis with reference to web freeware that may be used for calculations.
Keywords: automatic control system, servo mechanism, synthesis, model, adaptation, algorithm, identification.

Shubladze A.M., Kuznetsov S.N., Bobrikov N.M., Denisov I.K., Gulyaev S.V., Olschwang V.R., Malakhov V.A.  Industrial PID controller with minimum moves

A modified PID controller with minimum number of output signal changes named is presented. Its application of this controller named PIDm may significantly increase control equipment life. The controller is intended for various industries.
Keywords: PID controller, minimum moves, quantization, discrete element.

Schedrinov A.V., Serikov S.A., Kolmykov V.V.  A model-based automated system for load oscillations damping

The paper examines the existing oscillation damping systems for loads transported by bridge crane. A block diagram of an automated system for load oscillation damping based on a swinging load model is presented. The model-based approach results in fast oscillations damping. The correctness of the mathematical tools underlying the model is proved both theoretically and experimentally.
Keywords: automated control system, transient, acceleration, load deviation sensors, load oscillation damping task, variable-frequency AC drive.

Putena A.N., Yelperin I.V.  Formation and evolution of international standardization of industrial networks

The evolution and the state of the art of the international standardization of industrial networks is discussed. The content and destination of MEC standards from Industrial Communication Networks group are discussed.
Keywords: standard, industrial networks, protocol, interface.

Suslov V.E.  Electrohydraulic regulatory control and protection system for a steam turbine

The structure, technical features, and capabilities of an electrohydraulic regulatory control and protection system for PT-90/120-130-1 steam turbine are discussed. The system was implemented by Rakurs Scientific and Production Company.
Keywords: electrohydraulic regulatory control and protection system, steam turbine, control cabinet, operator workstation.

Artemiev A.S., Babkin D.N., Busyrev V.L., Doronin S.I., Myakishev D.V., et al.  An automated chemical control system for Power Unit # 3 of Leningrad A-plant

The paper describes the automated chemical control system for Power Unit # 3 of Leningrad A-plant and discusses its performance attributes. The system was created by COMPLEXES and SYSTEMS Scientific and Production Company in cooperation with the specialists from design office and operating company as well as component vendors.
Keywords: automatic chemical control, sampling device, chemistry conditions, liquid analyzer, chemical department.

Discussing a Subject…
Internet technologies in industrial automation

Derevyago E.V.  Embedded systems 2009

The paper describes embedded computers industry by the end of 2008. Market brand-news available since early 2009 are presented. Their novelty is proved by new processors, simultaneous processing, and unprecedented cost-effectiveness as well as by form factors holding much promise for application areas diversification.
Keywords: embedded systems, form factor, multitasking, cost-effectiveness, computer-on-module.

Shatalov A.G.  An overview of computers evolution in process automation

Historic events related with embedded PC evolution are overviewed. Key requirements to modern embedded solutions are formulated; organizational and technological problems associated with this market segment are discussed. The paper concludes that technology development will approach the computing to calculation objects that means the increasing intelligence of the embedded solutions.
Keywords: feedback, embedded solutions, standardization, intelligence systems, microcontroller.

Akinshin L.G., Sysoev A.D.  Embedded computer technologies for custom applications: technologies and products

In recent years, the market of open embedded computer technologies shows clear trends which will by all means determine its long-term development. New processor architectures, advanced system standards and modern interface technologies will be the medium-term targets. The paper exemplifies the discussion of the trends COTS product ranges from GE Fanuc Embedded Systems and Kontron AG which belong to the world 4 major vendors of embedded technologies.
Keywords: single-board computers, COTS, multi-core computers, fast serial connections, system standards.

Lopukhov I.V.  New hardware platforms for embedded systems: from perspective designs simple implementations

A processor and a chipset make a primary hardware platform for any processor board or module. The platform affects all computing system`s key performance attributes up to its market lifetime. The paper reviews new embedded system platforms already used by industrial equipment vendors or show future market potential. Their key performance data are presented, merits and drawbacks against specific application conditions are identified.
Keywords: processor, chipset, network controller, dual-core architecture, embedded systems.

Drosdov S.N., Zolotarev S.V.  Embedded computer modules from CompuLab for OEMs in industry, transport, and defense

The paper considers computers-on-module (CoM) and single-board computers (SBC) from CompuLab Ltd intended for OEMs of custom embedded solutions for industry, transport, and defense. Embedded CompuLab modules enable the development of highly reliable small-size articles operable both at normal conditions and industrial conditions (-40…85^oC) and featuring low power consumption and heat emissions along with extended lifecycle. Examples of Compulab`s CoMs industrial, transportation, and defense applications in Russia and abroad are included.
Keywords: computer-on-module, single-board computer, embedded modules, nano-PCs.

Komantsev A.V.  MOXA embedded computers with preinstalled software: a focus on software solutions for industrial automation

General hard-/software parameters of MOXA embedded industrial computers are formulated. New products that entered the market in late 2008 such as ThinkCore V460 and ThinkCore IA-240/260 are presented.
Keywords: embedded industrial computers, OS, data transformation system, Web-server, intellectual property protection.

Pogosian A.G.  Microsoft Windows Embedded Standard platform for high-performance embedded systems development

Capabilities and featured properties of Microsoft Windows Embedded Standard platform are briefly discussed. The paper shows the convenience of this platform for developing embedded systems with extended functionalities which require high-performance hardware platforms.
Keywords: OS, component version, real-time, embedded systems, service-oriented devices.

EVOC`s solutions in Mini-ITX form factor

Key advantages of Mini-ITX form factor are listed. Application examples of embedded Mini-ITX solutions from EVOC Corporation are presented.
Keywords: Mini-ITX form factor, modularity passive cooling, compact size.

Ideal packing and control system based on Beckhoff controllers

The paper presented control system structure implemented in Multivac`s (Germany) packing equipment based on embedded Beckhoff, TwinCAT software, TwinSAFE safety system, and EtherCAT network technologies.
Keywords: modularity, reliability, scalability, safety, programming.

Voronkov D.I., Gladkova E.V., Rutkevich A.V., Steshenko V.B., Stroganov D.A., Shishkin G.V.  Self-synchronizing microprocessors for industrial controllers: computations energy efficiency improvement in process controls

A key requirement to process control hardware is low energy consumption. Today, this requirement can hardly be met merely by means of engineering techniques. The paper discusses system engineering features of controller design for process control based on self-synchronizing architecture ensuring minimum power consumption.
Keywords: synchronizing, self-synchronizing, and quasi-self-synchronizing architecture, energy consumption minimization, synchronizing clock.

Yurchenko V.V.  Embedded computer technologies in SIMATIC product ranges

The paper briefly reviews embedded computer technologies comprised by Siemens SIMATIC automation toolkits. The interaction of embedded solutions with other SIMATIC software and industrial networks is discussed.
Keywords: programmable controller, embedded systems, industrial networks, OS.

Alexeev D.Yu.  Development trends of ICP DAS in the light of product range renewal

New embedded computer models and I/O modules from ICP DAS are presented. Their basic differentiators and advantages against earlier series are discussed.
Keywords: controllers, I/O modules, industrial environment, Web server.

Journal`s Club

Kargapoltsev V.P.  Water counters calibration: pros and contras

In recent years, after the adoption of the housing code, the problems of water accounting in residential apartments has been intensively discussed. Without focusing on general water accounting issues, the paper focuses outlines the problem of apartment water counters calibration.
Keywords: water counter, calibration, calibration interval.