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A diagnostic system and method are provided that include an interface for receiving input relating to observed symptoms indicative of one or more failed components, a processing element for correlating the input relating to the observed symptoms with at least one suspect component that is capable of

A diagnostic system and method are provided that include an interface for receiving input relating to observed symptoms indicative of one or more failed components, a processing element for correlating the input relating to the observed symptoms with at least one suspect component that is capable of causing the observed symptoms upon failure, and a display for presenting information relating to the suspect components. The processing element correlates the input relating to the observed symptoms with the suspect components in accordance with a diagnostic model constructed based upon systemic information, experiential information and factual information. The processing element generally presents the suspect components in a listing prioritized based upon the relative likelihood that the respective suspect components caused the observed symptoms. Additionally, the processing element can present a prioritized listing of tests that can be conducted to refine the identification and prioritization of the suspect components.

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A diagnostic system and method are provided that include an interface for receiving input relating to observed symptoms indicative of one or more failed components, a processing element for correlating the input relating to the observed symptoms with at least one suspect component that is capable of

A diagnostic system and method are provided that include an interface for receiving input relating to observed symptoms indicative of one or more failed components, a processing element for correlating the input relating to the observed symptoms with at least one suspect component that is capable of causing the observed symptoms upon failure, and a display for presenting information relating to the suspect components. The processing element correlates the input relating to the observed symptoms with the suspect components in accordance with a diagnostic model constructed based upon systemic information, experiential information and factual information. The processing element generally presents the suspect components in a listing prioritized based upon the relative likelihood that the respective suspect components caused the observed symptoms. Additionally, the processing element can present a prioritized listing of tests that can be conducted to refine the identification and prioritization of the suspect components. d components through their respective control device in accordance with their respective component specific address; and establishing an initialization phase prior to connection of the components to the bus system such that any component subsequently connected to the bus system is immediately assigned a default address. 4. A procedure for controlling individual components of a work station in a textile machine having a plurality of the workstations disposed in proximity to each other, the workstation components having individual control devices, said process comprising: connecting the components at the workstations to a bus system, wherein the bus system is in turn connected to a central control apparatus; setting identifying addresses for the components to a default value; recognizing with the central control apparatus that the components have been installed; initializing a recognition phase wherein the components are interrogated by the central control apparatus and the default address is converted to a component specific address such that for a given section of the textile machine, the same components have different specific addresses; controlling operations relating to the components with the central control apparatus that communicates with selected components through their respective control device in accordance with their respective component specific address; and generating with said central control apparatus a signal designating the work station at which the next component is to be connected to the bus system. 5. A procedure for controlling individual components of a work station in a textile machine having a plurality of the workstations disposed in proximity to each other, the workstation components having individual control devices, said process comprising: connecting the components at the workstations to a bus system, wherein the bus system is in turn connected to a central control apparatus; setting identifying addresses for the components to a default value; recognizing with the central control apparatus that the components have been installed; initializing a recognition phase wherein the components are interrogated by the central control apparatus and the default address is converted to a component specific address such that for a given section of the textile machine, the same components have different specific addresses; controlling operations relating to the components with the central control apparatus that communicates with selected components through their respective control device in accordance with their respective component specific address; and upon lack of an answer from an individual control device after a specified period of time to a read-request from the central control apparatus, initiating at least one of the following: the read-request is sent again to the individual control device; the individual control device stops its associated component; the component-specific address of the corresponding component is converted to a default address; and a fault alarm is initiated. 6. The procedure as in claim 5, wherein for replacement or exchange of a component with another component, placing the central control apparatus in an exchange mode and assigning the new component control device a default address and subsequently assigning a component specific address. 7. The procedure as in claim 5, wherein for subsequent replacement or exchange of a component with another component, assigning the component specific address for the component being replaced to the replacement component. 8. The procedure as in claim 5, comprising determining the component specific addresses as a function of relative location of the components. 9. The procedure as in claim 5, comprising conducting the recognition phase sequentially on the components, and the recognition phase for a given component is not initialized until the recognition phase for the preceding component is complete. 10. The procedure as in c laim 5, wherein the central control apparatus has a number of initialization addresses that it cycles through, and further comprising conducting an initialization phase wherein in conjunction with the recognition phase, the default addresses are cyclically converted to the initialization addresses and the initialization addresses are converted to the component specific addresses. 11. The procedure as in claim 10, comprising initiating the initialization phase and recognition phase by connection of the components to the bus system. 12. The procedure as in claim 11, comprising sending a control voltage or signal to the component by the central control apparatus to initiate the initialization and recognition phases. 13. The procedure as in claim 10, comprising registering a component lacking a default address or a component specific address as absent in the central control apparatus. 14. The procedure as in claim 10, comprising physically indicating a successful conversion of a default address into a component specific address for a recognized component. 15. The procedure as in claim 14, comprising activating and intermittently driving the component upon successful conversion of a default address to a component specific address. 16. A procedure for controlling individual components of a work station in a textile machine having a plurality of the workstations disposed in proximity to each other, the workstation components having individual control devices, said process comprising: connecting the components at the workstations to a bus system, wherein the bus system is in turn connected to a central control apparatus; setting identifying addresses for the components to a default value; recognizing with the central control apparatus that the components have been installed; initializing a recognition phase wherein the components are interrogated by the central control apparatus and the default address is converted to a component specific address such that for a given section of the textile machine, the same components have different specific addresses; controlling operations relating to the components with the central control apparatus that communicates with selected components through their respective control device in accordance with their respective component specific address; and wherein the textile machine is an open-end spinning machine and the work station components are fiber feeding components for feeding fibers to spinning elements at the work stations, the fiber feeding components carrying out a thread start operation in accordance with a previously determined first input set values, said procedure further comprising monitoring thread characteristics of the spun thread made in accordance with the first input set values, comparing the monitored thread characteristics to desired values for the characteristics, and correcting any combination of the input set values to adjust for the desired values so that the next subsequent thread start operation is conducted in accordance with adjusted input set values. 17. The procedure as in claim 16, wherein the monitored thread characteristic is bulk run. 18. The procedure as in claim 17, further comprising measuring any combination of the following parameters influencing bulk run: relative humidity, rotational speed of the spinning element, and thickness of fiber band being delivered to the feeding components. 19. The procedure as in claim 16, further comprising determining the first set of input set values and the modified input set values by fuzzy logic. 20. A procedure for controlling individual components of a work station in a textile machine having a plurality of the workstations disposed in proximity to each other, the workstation components having individual control devices, said process comprising: connecting the components at the workstations to a bus system, wherein the bus system is in turn connected to a central control apparatus; setting identifying addresse s for the components to a default value; recognizing with the central control apparatus that the components have been installed; initializing a recognition phase wherein the components are interrogated by the central control apparatus and the default address is converted to a component specific address such that for a given section of the textile machine, the same components have different specific addresses; controlling operations relating to the components with the central control apparatus that communicates with selected components through their respective control device in accordance with their respective component specific address; and further comprising activating an auxiliary current source for supplying the work station components upon failure of operational line voltage, and shutting down the work station components in a controlled manner as they are supplied by the auxiliary current source, and controllably returning the work station components to operational speed upon return of the line voltage. 21. The procedure as in claim 20, comprising shutting down the work station components without control or braking upon expiration of a pre-determined time delay after loss of the line voltage. l of the roll rate. 8. A device for displaying a velocity vector of an aircraft, said device comprising: a first means for measuring the effective value of the velocity vector of the aircraft; a computing unit for determining, automatically and repetitively, a display value representing the value of the velocity vector to be displayed, said computing unit comprising a filtering means which filters the value measured by said first means so as to form a first term; and a display unit for presenting on a display screen a characteristic sign illustrating said velocity vector whose position on said display screen is representative of said display value, which device comprises, in addition, a second means for determining the time derivative of a velocity vector controlled by an aircraft pilot, and in that said computing unit further comprises: a computing means which determines a second term from said derivative of the controlled velocity vector; and a summator which sums said first and second terms so as to form said display value. 9. An aircraft, which comprises a display device such as the one specified in claim 8.