Control and Instrumentation articles from March 1995

Control and Instrumentation archives from March 1995

Expert system improves octane yield. (Mobil Oil Corp.'s operator decision support; Gensym G2 real time expert system)
March 1, 1995... Mobil Oil has improved operator decision support at its Coryton refinery using the G2 real time expert system, from Gensym. In improving performance of the plant, one goal was to increase the octane content of petroleum products, and thus the...

SCADA shows its flexibility. (Unilever PLC's flexible control system)
March 1, 1995... A flexible control system has been built for Unilever's new pilot plant in Port Sunlight. Researchers have to study hundreds of different processes, and they have to switch constantly between very varied product types and may even have to move...

P-NET forms the backbone of data acquisition system.
March 1, 1995... A manufacturer and distributor of medical sensors for the home test market is using P-NET as the basis of a company-wide data acquisition system. It is intended to perform three functions. First, it will form a process tracking system that...

Data acquisition. (Peripheral Component Interface)
March 1, 1995... PCs were once hobbled by the bandwidth of the ISA bus. That has changed with the advent of PCI PC-based data acquisition technology is in the process of very rapid change. New hardware and software will permit unheard of simplicity,...

Reducing the cost of owning CEMs. (Continuous Emission Monitoring equipment)
March 1, 1995... Avoiding failures and saving money can be achieved by managing and planning the purchase and installation Recent environmental regulations in the US have required many industries to install Continuous Emission Monitoring equipment (CEMs). For...

The whys, whats, whos and hows of process analyser maintenance.
March 1, 1995... Installation methodologies, types of systems, skill needs, staffing and record-keeping are all critical On-line analysers are used for a range of purposes process control, environmental monitoring, quality assurance, regulatory compliance and...

Pressure calibration.
March 1, 1995... Choosing well can bring big in-house benefits For organisations needing to improve quality control of processes involving pressure measurement, in-house pressure calibration can be a low cost alternative to external calibration labs....

Vision systems.
March 1, 1995... Vision systems can pay for themselves in a matter of months, running on simple hardware, such as PCs Vision systems are getting easier to justify, as their pay-back period is decreasing, as is the associated capital outlay. Mark Norris, of...

Make money with advanced applications. (advanced control)(includes related article)
March 1, 1995... Cost-benefit analyses and learning to walk before you run are among the keys to making big money with the newer on-line techniques Regulatory control makes products; advanced control makes profits - that was the familiar theme of the IChemE's...