fail safe controller
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Flight controller — Flight controllers are personnel who aid in the operations of a space flight, working in Mission Control Centers such as NASA s Mission Control Center, or ESA s Operations Center. Flight controllers sit at computer consoles and use telemetry to… … Wikipedia
Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… … Wikipedia
Dead man's switch — For other uses, see Dead man s switch (disambiguation). A dead man s switch in a high altitude truck A dead man s switch (for other names, see alternative names) is a switch that is automatically operated in case the human operator becomes… … Wikipedia
Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive … Wikipedia
Life-critical system — A life critical system or safety critical system is a system whose failure or malfunction may result in: death or serious injury to people, or loss or severe damage to equipment or environmental harm. Risks of this sort are usually managed with… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia
Go-around — A go around is an aborted landing of an aircraft which is on final approach. Origin of the term The term arises from the traditional use of circuits at airfields a landing aircraft will first join the circuit pattern and prepare for landing in an … Wikipedia
Turkish Airlines Flight 981 — CG render of TC JAV moments after failure of the cargo hatch. Accident summary Date 3 March 1974 … Wikipedia
Brake-by-wire — Drive by wire technology in automotive industry replaces the traditional mechanical and hydraulic control systems with electronic control systems using electromechanical actuators and human machine interfaces such as pedal and steering feel… … Wikipedia
Diving watch — Omega Seamaster model 2220.80, with a water resistance of 300 m (1,000 ft). The second crown (at 10 o clock) is a helium release valve. A diving watch is a watch designed for underwater diving that features, as a minimum, a water… … Wikipedia
Space Shuttle Challenger disaster — For more information about the final mission and crew of the Challenger, see STS 51 L. Space Shuttle Challenger s smoke plume after the in flight breakup that killed all seven crew members … Wikipedia
