#3 2015

CONTENTS №3

In Focus

Precision measurements

Introduction

Rtishchev A.S., Gamiy V.A., Chushkin A.V.  Integrated modernization of burning velocity measuring section for solid propellants

The paper discusses the modernization of burning velocity measuring section as part of the integrated automation project of solid propellant testing section in Soyuz Federal Center for Dual-Use Technologies. The project’s key target is environmental testing of solid propellant samples with the specified high precision and improved reliability.

Keywords: integrated automation, measuring and control systems, sensors, testing, thermostating, burning velocity, solid propellant.

Zhukov I.V., Kharazov V.G.  Soft sensors vs. process analyzers: comparative analysis for crude distillation units

The paper analyzes the results of stream analyzers’ and soft sensors’ performance based on their operation at crude distillation units of Kirishi refinery. It concludes that the accuracy of both is comparable with lab analyses.

Keywords: stream analyzers, soft sensor model, distillation characteristic, measurement precision.

Afsi Moaveni  On-line field troubleshooting of complex components and devices

The paper discusses the advantages of time-domain measuring for on-line field troubleshooting of complex components and devices. Vector circuit analyzers are the most preferable tools for this technique.

Keywords: time-domain measuring, vector circuit analyzers, reflectometer, frequency response.

Ulrich J.  Precise time

The operation principle of a world most precise atomic clock located in Germany is explained. Application fields of high-accuracy time measurements are overviewed. The advent of optical clock as a near-term outlook for chronometry is discussed.

Keywords: time, precision, atomic clock, optical clock, coordinated universal time.

Discussing a Topic…

Data centers

Introduction

Tsygankov V.A.  Data centers for industrial plants: thoughts worth thinking

Data centers have been traditionally developed either by IT contractors such as software developers, service companies, and Internet shops or by public service such as telecom operators, banks and insurance companies, payment systems, trading networks, etc. However, overall automation results in the need for any big industrial plant to store huge amounts of data. The paper discusses the issues to be thought over by industrial companies planning to lease data centers or build their own ones.

Keywords: data centers, reliability, fault-tolerance, data storage systems, energy efficiency.

Batov I.I., Perevedentsev A.V.  Plant’s IT infrastructure features, trends, perils

The development and optimization of plant’s IT infrastructure complying with its business processes is a difficult and many-sided task. The paper overviews state-of-the-art approaches to data center development such as virtualization of tasks, data storage systems and data network infrastructure as well as cyber-security, plant’s civil engineering infrastructure audit, modular data centers development and outsourced data center services.

Keywords: data center, cyber-security, virtualization, civil engineering infrastructure, outsourcing.

Modular data centers: Russian market features

Modular data centers (MDC) is a most conspicuous trend of Russian IT market. Under economic volatility the idea of such center looks especially attractive because an MDC can be reportedly built faster and cheaper than a permanent one. However, this market has its own features and pitfalls. Utileх, a Russian MDC vendor offers its overview of this market segment.

Keywords: modular data center, mobile solutions, scalability.

Veselukha G.L.  Engineer view on data center equipment monitoring. Application experience

The paper describes a MasterSCADA-based equipment monitoring system for a unified data-computing center of the Moscow United Power Generation Company (MOEK JSC). The system is based on common industrial automation solutions as against conventional IT approaches.

Keywords: unified data-computing center, data center, SCADA, data communication protocol, monitoring system, information services.

Data centers management in HP

A data center monitoring system implemented by HP is outlined. The project comprised the consolidation of data centers, application of PI System and the development of a new Mobile PI platform. The integrated solution resulted in higher capacity and profitability of data centers and the opportunity for HP to offer its customers a proven data center monitoring system.

Keywords: data center, mobile platform, monitoring system, data infrastructure.

Ashavsky A.  When data center operation issues are equally important as their construction

The paper offers practical recommendations on the health and reliability of a fault-tolerant data center including routine maintenance, emergency guidelines development, site survey and the search of approaches to its optimization and operation reliability improvement.

Keywords: fault-tolerant data center, maintenance schedule, guidelines, optimization, energy efficiency.

In Focus

Towards energy efficiency and energy conservation

Introduction

Lebedev V.O.  An automated remote signaling system for temporary 10 kV power networks used at 2014 Sochi Olympics

The paper describes the implementation of an automated remote signaling system for temporary 10 kV power networks connecting Sochi city center with coastal and mountain clusters during the 20th Winter Olympics and 11th Paralympics.

Keywords: automated remote signaling system, temporary power networks, redundancy, optical and satellite communication, controllers, spatial distribution.

Khubeev M.K.  Energy-efficient PI controller

The paper offers an approach to the development of an energy-efficient PI controller enabling energy savings, higher stability margin and improved automatic control accuracy. Its key merit is the minimization of actuator moves. The control algorithms were tested on linear plants with relative time delays.

Keywords: regulatory control, transfer function, controller, energy conservation.

An automated control system for a boiler house

A process control system for boiler house in the town of Zaozerny (Russia) based on B&R Industrial Automation hard-/software tools is described.

Keywords: PLC, distributed control systemб process controls, redundancy, supervision, energy efficiency.

Yegorova O.A., Darsht Ya.A., Kuznetsova S.V.  Modeling automatic control device of transportation robot’s hydrotransmission under nonlinear motion characteristics

A mathematical model of transportation robot’s hydrotransmission control system is developed. A feedback pump duty control is implemented with respect to the motion rate. An automatic control algorithm is offered for transportation robot’s hydrotransmission based on SF programming. Simulation results of control device operation under nonlinear motion characteristics are included.

Keywords: SF programming, automatic correction, hydraulic actuator, hydrotransmission, motion rate feedback, pump duty control element, transportation robot, control device.

Tarasov E.A., Kosorukov D.V.  Enhanced MachineStruxure controller from Schneider Electric: affordable innovations for advanced process automation

The functionality of Schneider Electric’s new-generation MachineStruxure controllers is overviewed. The controllers enable quick and easy development of cost-effective high-performance complex automation systems as well as higher efficiency and wider functionality of legacy control solutions.

Keywords: PLC, programmable relays, I/O system, communication protocols, HMI.

Meshalkin V.P., Mertsalov A.E., Govorov A.A., Susak U.M.  Supervisory regulatory control algorithms

The paper examines how to improve the performance of automatic control systems enabling simultaneous optimal compensation of process disturbances and master controls. It proposes to use supervisory PI and PID controllers with additional dynamic blocks in control law’s component channels.

Keywords: regulatory controller, supervisory regulatory controller, supervisory regulatory control system, control performance, control object.

Pavlov K.S., Melkishev V.N., Khobotov E.N.  Equipment selection for development and modernization of manufacturing systems

The existing approaches to equipment selection for manufacturing floors and systems at machine-building factories are overviewed. Selection algorithms for new or modernized plants enabling are offered. The algorithms enable the simulation of long-term operation targets and the monitoring of plant availability and efficiency.

Keywords: manufacturing systems, simulation, workflow, equipment selection, scheduling theory.

Kolesnikova O.V., Lelyukhin V.E.  Synchronous enterprise resource management in mechanical engineering

The paper examines the opportunities of machine-building manufacture management based on centralized planning. The approach proposed enables the synchronized operation of enterprise's key departments. The informational framework for this solution is formed by product's design image and a workplace loading model.

Keywords: production management, mechanical engineering, planning centralization, product design preparation, job synchronization, equipment utilization.