초록 ▼

Systems, methods, and machine-executable programming products adapted for the control of aircraft or other vehicles by receiving from at least one Inertial Reference System (IRS), including a plurality of Inertial Reference Units (IRUs), signals representing vehicle state data; receiving from at lea

Systems, methods, and machine-executable programming products adapted for the control of aircraft or other vehicles by receiving from at least one Inertial Reference System (IRS), including a plurality of Inertial Reference Units (IRUs), signals representing vehicle state data; receiving from at least one Augmented Direct Mode Sensor (ADMS) signals representing independently-acquired vehicle state data corresponding to at least a subset of the signals received from the IRS; performing signal selection and fault detection processes on the signals received from the at least one IRS and on the corresponding signals received from the ADMS; based at least partly on the signal and fault detection processes, determining whether at least one component of at least one of the IRS and ADMS is in a fault condition; and based on the fault condition, providing to at least one vehicle control system device one or more vehicle control command signals.

대표청구항 ▼

1. A fly-by-wire flight or other vehicle control system comprising: at least one Inertial Reference System (IRS) comprising a plurality of Inertial Reference Units (IRUs);at least one IRS Generic Fault Detection and Isolation (IGFDI) module for performing signal selection and fault detection on sign

1. A fly-by-wire flight or other vehicle control system comprising: at least one Inertial Reference System (IRS) comprising a plurality of Inertial Reference Units (IRUs);at least one IRS Generic Fault Detection and Isolation (IGFDI) module for performing signal selection and fault detection on signals generated by the at least one IRS representing vehicle state data;at least one Augmented Direct Mode Sensor (ADMS) suite comprising a Direct Mode Sensor (DMS) suite augmented to generate signals representing independently-acquired vehicle state data corresponding to least a subset of the signals generated by the IRS;wherein the IGFDI also performs signal selection and fault detection on signals generated by the augmented DMS suite. 2. The system as claimed in claim 1, wherein the IGFDI comprises machine-readable computer programming executable by a processor of a primary flight control computer (PFCC). 3. The system as claimed in claim 1, wherein the DMS suite comprises a set of sensors configured for generating signals representing state variables sufficient for controlling the vehicle when a fully automatic fly-by-wire system is no longer operational. 4. The system as claimed in claim 3, wherein the ADMS suite is the DMS suite augmented to provide angular rates and linear accelerations for three orthogonal axes. 5. The system as claimed in claim 4, wherein the ADMS suite is the DMS suite augmented to provide at least two attitude angles. 6. The system as claimed in claim 1, wherein the IGFDI generates a residue by comparing the signals from the IRS and ADMS suite by applying a sequential probability ratio test to validate the integrity of the subset of signals. 7. The system as claimed in claim 6, wherein the subset of signals, once validated, are used to create complementary signals used in an analytical redundancy process to validate signals other than the subset of signals. 8. The system as claimed in claim 1 wherein the IGFDI generates a residue by comparing signals from the IRS and ADMS suite by applying a modified sequential probability ratio test to validate the integrity of the subset of signals. 9. The system as claimed in claim 8, wherein the subset of signals, once validated, are used to create complementary signals used in an analytical redundancy process to validate signals other than the subset of signals. 10. A method of controlling an aircraft or other vehicle performed by one or more data processors configured to provide command signals to one or more vehicle control devices, the method comprising: receiving from at least one Inertial Reference System (IRS) comprising a plurality of Inertial Reference Units (IRUs) signals representing vehicle state data;receiving from at least one Augmented Direct Mode Sensor (ADMS) signals representing independently-acquired vehicle state data corresponding to least a subset of the signals received from the IRS;performing signal selection and fault detection processes on the signals received from the at least one IRS and on the corresponding signals received from the ADMS;based at least partly on the signal and fault detection processes, determining whether at least one component of at least one of the IRS and ADMS is in a fault condition; andbased on the determination whether the at least one component is in a fault condition, providing to at least one vehicle control system device one or more vehicle control command signals. 11. The method of claim 10, wherein the determination whether the at least one component is in a fault condition comprises generating a residue by comparing the signals from the IRS and ADMS by applying a sequential probability ratio test to validate the integrity of the subset of signals. 12. The method of claim 11, comprising using a validated subset of vehicle state signals to create complementary signals for use in an analytical redundancy process to validate signals other than the subset of signals. 13. The method of claim 11, wherein the sequential probability test ratio test comprises a modified sequential probability ratio test. 14. Computer readable programming media storable in memory accessible by a vehicle control system comprising at least one data processor, the media comprising processor-executable programming adapted to cause the at least one processor to: receive from at least one Inertial Reference System (IRS) comprising a plurality of Inertial Reference Units (IRUs) signals representing vehicle state data;receive from at least one Augmented Direct Mode Sensor (ADMS) signals representing independently-acquired vehicle state data corresponding to least a subset of the signals received from the IRS;perform signal selection and fault detection processes on the signals received from the at least one IRS and on the corresponding signals received from the ADMS;based at least partly on the signal and fault detection processes, determine whether at least one component of at least one of the IRS and ADMS is in a fault condition; andbased on the determination whether the at least one component is in a fault condition, provide to at least one vehicle control system device one or more vehicle control command signals.