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  2. Causal loop diagram - Wikipedia

    en.wikipedia.org/wiki/Causal_loop_diagram

    The diagram consists of a set of words and arrows. Causal loop diagrams are accompanied by a narrative which describes the causally closed situation the CLD describes. Closed loops, or causal feedback loops, in the diagram are very important features of CLDs because they may help identify non-obvious vicious circles and virtuous circles.

  3. Loop antenna - Wikipedia

    en.wikipedia.org/wiki/Loop_antenna

    A loop antenna is a radio antenna consisting of a loop or coil ... hence for circular loops diameters between roughly ... The diagram shows how both man-made noise ...

  4. System dynamics - Wikipedia

    en.wikipedia.org/wiki/System_dynamics

    A causal loop diagram is a simple map of a system with all its constituent components and their interactions. By capturing interactions and consequently the feedback loops (see figure below), a causal loop diagram reveals the structure of a system. By understanding the structure of a system, it becomes possible to ascertain a system's behavior ...

  5. Feedback - Wikipedia

    en.wikipedia.org/wiki/Feedback

    A feedback loop where all outputs of a process are available as causal inputs to that process. Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. [1] The system can then be said to feed back into itself. The notion of cause-and-effect has to be handled ...

  6. Cycle graph - Wikipedia

    en.wikipedia.org/wiki/Cycle_graph

    In graph theory, a cycle graph or circular graph is a graph that consists of a single cycle, or in other words, some number of vertices (at least 3, if the graph is simple) connected in a closed chain. The cycle graph with n vertices is called C n. [2]

  7. Vicious circle - Wikipedia

    en.wikipedia.org/wiki/Vicious_circle

    A vicious circle (or cycle) is a complex chain of events that reinforces itself through a feedback loop, with detrimental results. [1] It is a system with no tendency toward equilibrium (social, economic, ecological, etc.), at least in the short run. Each iteration of the cycle reinforces the previous one, in an example of positive feedback. A ...

  8. Circle diagram - Wikipedia

    en.wikipedia.org/wiki/Circle_diagram

    The circle diagram can be drawn for alternators, synchronous motors, transformers, induction motors. The Heyland diagram is an approximate representation of a circle diagram applied to induction motors, which assumes that stator input voltage, rotor resistance and rotor reactance are constant and stator resistance and core loss are zero.

  9. State diagram - Wikipedia

    en.wikipedia.org/wiki/State_diagram

    A state diagram for a door that can only be opened and closed. A state diagram is used in computer science and related fields to describe the behavior of systems. State diagrams require that the system is composed of a finite number of states. Sometimes, this is indeed the case, while at other times this is a reasonable abstraction.