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Instrumentation Reference Book, 4th Edition by Walt Boyes

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43.5. The Human Operatorin Control and Instrumentation

43.5.1. The Scope for Automation

Although for economic reasons control and instrumentation systems are increasingly being automated there remain many situations in which decisions have to be made with complex and sometimes incomplete data. In many of these situations a human operator is still included in the loop on account of his or her flexibility and ability to accept a wide range of data. Thus although it has been technically possible for many years to apply the brakes automatically on U.K. mainline trains when they pass a danger signal, railway managers have hitherto insisted on leaving this critical decision to the driver.
In some situations the control information is provided by a ...

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