Re "The Hudson at Risk" (editorial, Oct. 7): Thanks to modern control technologies, St. Lawrence Cement's proposed replacement plant in Greenport, N.Y., will reduce emissions from their current levels and reduce the use of Hudson River water by 99.4percentt.
Modern control technologies, such as optimal control and model predictive control do provide a framework to simultaneously regulate the system performance and limit control energy.
Therefore, actualizing the potential of the new system requires a good organization, possibly assisted by modern precision control technology.
Currently, modern voice control technology is available in many applications such as direct voice input (DVI) in aviation [1], information requests using Siri and speech-driven home automation.
We need jobs and a livable environment, and with adequate modern pollution control technology we can have both.
"Rather than focussing on short-term fluctuations and wishing coal away, it is important to focus on making sure coal is used in the cleanest way possible with high-efficiency low-emission plants using modern emission control technologies and working to develop carbon capture and storage," Sporton said.
Three laboratories are dedicated for these purposes, where conventional controllers, modern control theories and PLC technologies are available.
The new rules are a clear violation of Congress's intent in 1977, when it required utilities and other polluters to install modern pollution-control technology whenever they modified their plants in ways that increased emissions.
Modern water-control technology has reduced the devastating effects of the flood-and-drought cycle, but at a cost of desiccated marshlands and decreased natural replenishment of soil nutrients.
