high-level control
31control theory — Field of applied mathematics relevant to the control of certain physical processes and systems. It became a field in its own right in the late 1950s and early 60s. After World War II, problems arising in engineering and economics were recognized… …
32High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …
33High Speed 1 — approaching the Medway Viaducts …
34Level designer — A level designer is a person who creates levels, challenges or missions for computer and/or video games using a specific set of programs. These programs may be commonly available commercial 3D or 2D design programs, or specially designed and… …
35Control (Janet Jackson album) — Control …
36High availability — is a system design approach and associated service implementation that ensures a prearranged level of operational performance will be met during a contractual measurement period. Users want their systems, for example wrist watches, hospitals,… …
37High Redundancy Actuation — (HRA) is a new approach to fault tolerant control in the area of mechanical actuation. Overview The basic idea is to use a lot of small actuation elements, so that a fault of one element has only a minor effect on the overall system. This way, a… …
38Control reversal — is an adverse effect on the controllability of aircraft. The flight controls reverse themselves in a way that is not intuitive, so pilots may not be aware of the situation and therefore provide the wrong inputs; in order to roll to the left, for… …
39Control valves — are valves used to control conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to signals received from controllers that compare a setpoint to a process variable whose value is… …
40High-speed rail — is a type of passenger rail transport that operates significantly faster than the normal speed of rail traffic. Specific definitions include 200 km/h (124 mph) and faster depending on whether the track is upgraded or new by the European Union,… …
