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Guidance, navigation and control (abbreviated GNC, GN&C, or G&C) is a branch of engineering dealing with the design of systems to control the movement of vehicles, especially, automobiles, ships, aircraft, and spacecraft. In many cases these functions can be performed by trained humans.
The output of the navigation system, the navigation solution, is an input for the guidance system, among others like the environmental conditions (wind, water, temperature, etc.) and the vehicle's characteristics (i.e. mass, control system availability, control systems correlation to vector change, etc.).
QFD house of quality for enterprise product development processes. The term systems engineering can be traced back to Bell Telephone Laboratories in the 1940s. [1] The need to identify and manipulate the properties of a system as a whole, which in complex engineering projects may greatly differ from the sum of the parts' properties, motivated various industries, especially those developing ...
Proportional navigation (also known as PN or Pro-Nav) is a guidance law (analogous to proportional control) used in some form or another by most homing air target missiles. [1] It is based on the fact that two vehicles are on a collision course when their direct line-of-sight does not change direction as the range closes. PN dictates that the ...
The missile's target accuracy is a critical factor for its effectiveness. Guidance systems improve missile accuracy by improving its Probability of Guidance (Pg). [1] These guidance technologies can generally be divided up into a number of categories, with the broadest categories being "active", "passive", and "preset" guidance.
Subpart 37.2 defines advisory and assistance services and provides that the use of such services is a legitimate way to improve the prospects for program or systems success. FAR Part 37.201(c) defines engineering and technical services used in support of a program office during the acquisition cycle.
(A set of lectures from the Johns Hopkins University on the early in the developmental stages of the concept of system engineering). [3] 1962, W. Gosling, The Design of Engineering Systems. 1962: Arthur David Hall III, A Methodology for Systems Engineering. Princeton, NJ: Van Nostrand, 1962. (one of the originals on systems engineering) [3]
Guidance systems can be physical, such as kerbs or guide bars, or remote, such as optical or radio guidance. A guided buses line can be categorised as bus rapid transit and may be articulated bus and bi-articulated bus , allowing more passengers, but not as many as light rail or trams , which are not constrained to a regulated maximum size in ...