초록
▼
A function-monitored guidance system for adjusting at least one system component, the guidance system including a guiding mechanism having at least one adjustment component for guiding adjustment movements of the system component to be adjusted, of which at least one adjustment component includes a sensor device for detecting a load state of the adjustment component, and a monitoring device connected functionally to the adjustment component. The monitoring device provides detection time periods for detecting sensor signals of the at least sensor device, ...
A function-monitored guidance system for adjusting at least one system component, the guidance system including a guiding mechanism having at least one adjustment component for guiding adjustment movements of the system component to be adjusted, of which at least one adjustment component includes a sensor device for detecting a load state of the adjustment component, and a monitoring device connected functionally to the adjustment component. The monitoring device provides detection time periods for detecting sensor signals of the at least sensor device, provides a threshold value, with which the number of overshoots thereof by the sensor signals within detection time periods is determined, and determines, from the number of overshoots in each case within the detection time periods, a value for the operating state. A method for monitoring the function of a guidance system for adjusting at least one system component is also disclosed.
대표
청구항
▼
1. A function-monitored guidance system comprising: a mechanical adjustment component attached to a system component, wherein the adjustment component is operable to adjust or move portions of the system component;a sensor device attached to the system component, wherein the sensor device is configured to detect a load state of the adjustment component during movement thereof; anda monitoring device connected to the sensor device via a communication line, wherein the monitoring device comprises a processor and an operating state determination function ex...
1. A function-monitored guidance system comprising: a mechanical adjustment component attached to a system component, wherein the adjustment component is operable to adjust or move portions of the system component;a sensor device attached to the system component, wherein the sensor device is configured to detect a load state of the adjustment component during movement thereof; anda monitoring device connected to the sensor device via a communication line, wherein the monitoring device comprises a processor and an operating state determination function executed by the processor for determining an operating state and in particular a maintenance state of the adjustment component; wherein the operating state determination function: provides at least one predefined or determined detection time period for capturing sensor signals detected by the sensor device;provides at least one predefined or determined threshold value based on amplitudes of sensor signals; anddetermines a number of overshoots of at least one threshold value by a captured sensor signal or a number of undershoots of at least one further threshold value by the captured sensor signal, in each case within the at least one detection time period, and from this determines a value for the operating state of the adjustment component; andcomprises a start function for initiating the determination of the operating state, which provides a predefined start level and a comparison of captured sensor signal values with the start level and is designed in such a way that onset of determination of the operating state is initiated when the start function determines that the captured sensor signal values are above the start level above a predefined initiation time period. 2. The function-monitored guidance system according to claim 1, wherein the operating state determination function records the number of overshoots of the at least one threshold value, in each case for an absolute amount of the sensor signal by taking into account a positive amount for the at least one threshold value. 3. The function-monitored guidance system according to claim 1, wherein the operating state determination function for processing sensor signals captured with reference to an adjustment component is designed in such a way that the operating state determination function allocates to the adjustment component, in case of an overshoot of a first minimum number of overshoots of the predefined threshold value by the sensor signal or, respectively, an absolute value of the sensor signal within the detection time period, an operating state value and, in particular, a maintenance state, and, in case of a second minimum number of overshoots of the predefined threshold value, the operating state determination function allocates to the adjustment component a further operating state value and, in particular, a further maintenance state. 4. The function-monitored guidance system according to claim 1, wherein the operating state determination function for processing sensor signals captured in relation to an adjustment component is designed in such a way that the operating state determination function allocates to the adjustment component, in case of an overshoot of a first minimum number of overshoots of a first predefined threshold value within the detection time period, an operating state value and, in particular, a maintenance state, or, in case of a second minimum number of overshoots or of a further predefined threshold value, an operating state value and, in particular, a further maintenance state. 5. The function-monitored guidance system according to claim 1, wherein the operating state determination function for detecting an overshoot or undershoot of at least one threshold value by the captured sensor signal provides at least a pair of threshold values, of which a first threshold value is defined as a triggering threshold value, and a second threshold value is defined as an ending threshold value, and the operating state determination function is designed in such a way: that, in order to determine a number of threshold value overshoots by a respective captured sensor signal, a threshold value overshoot is considered to be provided under a condition that the operating state determination function determines an overshoot of a triggering threshold value and a subsequent fall of the sensor signal below the ending threshold value; andthat, in order to determine a number of threshold value undershoots by a respective captured sensor signal, a threshold value undershoot is considered to be provided under a condition that the operating state determination function determines a fall of the sensor signal below a triggering threshold value and a subsequent overshoot of the ending threshold value. 6. The function-monitored guidance system according to claim 5, wherein the operating state determination function is designed in such a way that the operating state determination function determines an overshoot of the triggering threshold value by the captured sensor signal or a fall of the captured sensor signal below the triggering threshold value, in each case by a triggering minimum period. 7. The function-monitored guidance system according to claim 5, wherein the operating state determination function determines a fall of the captured sensor signal below the ending threshold value or an overshoot of the ending threshold value by the captured sensor signal, in each case by an ending minimum period. 8. The function-monitored guidance system according to claim 5, wherein the triggering threshold value and the ending threshold value are equal in terms of value. 9. The function-monitored guidance system according to claim 6, wherein the operating state determination function determines a fall of the captured sensor signal below the ending threshold value or an overshoot of the ending threshold value by the captured sensor signal, in each case by an ending minimum period, and wherein the triggering minimum period or the ending minimum period are equal. 10. The function-monitored guidance system according to claim 1, wherein the detection time periods are defined by at least one operating phase of the adjustment component or of the guidance system, the detection time periods in which the monitoring device detects the number of overshoots or undershoots of a predefined threshold value being provided in a predefined manner, in particular within a predefined operating phase of the adjustment component or of the guidance system, or coinciding temporally with the operating phase. 11. The function-monitored guidance system according to claim 1, wherein the detection time periods are defined by an actuation of the adjustment component or of the guidance system, a detection time period in which the monitoring device detects the number of overshoots of a predefined threshold value being activated, in particular upon each actuation or upon selected actuations of the adjustment component or of the guidance system. 12. The function-monitored guidance system according to claim 1, wherein the operating state determination function is designed in such a way that an operating state assessment of the adjustment component is carried out if there is a deviation of a sum of overshoots or undershoots at a current moment in time from a number, predicted for the current moment in time, of overshoots or undershoots over a predefined minimum period. 13. The function-monitored guidance system according to claim 1, wherein the sensor device comprises a sensor which is attached to a housing of the adjustment component, in particular to an inner face or outer face of the housing of the adjustment component. 14. The function-monitored guidance system according to claim 13, wherein the sensor of the sensor device for determining a load state of the adjustment component comprises one or more of the following sensors: at least one oscillation sensor for detecting structural oscillations, at least one acceleration sensor, at least one torque sensor, at least one vibration sensor, at least one strain gauge, an arrangement of strain gauges, at least one piezo vibration sensor, at least one microphone, or at least one measuring device having a contactless laser, with which vibrational movements and resultant load states of the adjustment component are determined over a respective current period between a moving part of the adjustment component and a reference point. 15. The function-monitored guidance system according to claim 1, wherein the operating state determination function has a stop function for ending the determination of the operating state, which provides a predefined stop level lying below the start level and a comparison of captured sensor signal values with the stop level and is designed in such a way that the determination of the operating state is stopped when the stop function determines that the signal values are below the stop level over a predefined initiation time period. 16. The function-monitored guidance system according to claim 1, wherein the operating state determination function formed of a plurality of detection time periods produces a series of indices, from a time curve of the adjustment component of which a value for the operating state is derived, in particular the operating state of each of the plurality of detection time periods being determined in each case by the start function. 17. The function-monitored guidance system according to claim 16, wherein the operating state determination function allocates a value for the operating state from a time curve of the indices. 18. The function-monitored guidance system according to claim 1, wherein the guidance system is a vehicle system, in particular of a land vehicle, a watercraft, or an aircraft. 19. The function-monitored guidance system according to claim 1, wherein the guidance system is an adjustment system of an aircraft, in particular for actuating adjustable flaps, and in that the adjustment component is a gear unit, a rotary actuator, a bearing device of an adjustment system, in particular of a high-lift system of an aircraft. 20. The function-monitored guidance system according to claim 19, wherein the guidance system is a guidance system of an aircraft for adjusting adjustable flaps thereof, and in that the at least one adjustment component is an actuator, a gear unit, a hydraulic drive, a transmission shaft, or a bearing. 21. The function-monitored guidance system according to claim 1, wherein the guidance system is a flap guidance system of a high-lift system of an aircraft for adjusting high-lift flaps thereof. 22. The function-monitored guidance system according to claim 21, wherein the detection time period in each case comprises a complete operating cycle of the high-lift system, more specifically the time period of the movement of the high-lift flaps starting from a starting position into the take-off position, from the take-off position into the cruising flight position, and from the cruising flight position into at least one landing position. 23. The function-monitored guidance system according to claim 1, wherein the guidance system is an adjustment system or a bearing system of a wind turbine. 24. A method for monitoring the function of at least one adjustment component, the method comprising: providing a mechanical adjustment component and attaching the adjustment component to a system component, wherein the adjustment component is operable to adjust or move one or more portions of the system component;attaching a sensor device to the system component, wherein the sensor device is configured to detect a load state of the adjustment component during movement thereof;providing a monitoring device comprising a processor and an operating state determination function executed by the processor;connecting, via a communication line, the monitoring device to the sensor device;capturing sensor signals communicated from the sensor device during at least one predefined or determined detection time period;providing at least one predefined or determined threshold value based on amplitudes of the sensor signals;determining from a number of overshoots of at least one threshold value by a captured sensor signal or a number of undershoots of at least one further threshold value by the captured sensor signal, in each case within the at least one detection time period, of a value for an operating state of the adjustment component; andinitiating a start function to determine a functional operating state which provides a predefined start level and a comparison of captured sensor signal values with the start level and is designed such that onset of determination of the operating state is initiated when the start function determines that the signal values are above the start level above a predefined initiation time period.
