AIR CHINA LIMITED Patent applications |
Patent application number | Title | Published |
20140350780 | TEST APPARATUS AND TEST METHOD BASED ON DFDAU - The present invention relates to a test apparatus based on DFDAU (Digital Flight Data Acquisition Unit), comprising: a simulation signal generation portion; and a test portion; wherein, the simulation signal generation portion comprises: an input interface, which receives test data; a simulation signal generation module, which generates simulation signal according to the test data; and an output interface, which is adaptive to be connected to one end of one or more signal transmission device to be tested and output the simulation signal; wherein, the test portion comprises: wiring extension apparatus, which is used to form a gating wiring apparatus and is adaptive to be connected to the other end of the one or more signal transmission devices to be tested, and receive the simulation signal passing through the one or more signal transmission devices to be tested; DFDAU, which is adaptive to receive simulation signal from the wiring extension device, and obtain the transmitted test data; a comparison module, which is adaptive to compare the test data and the transmitted test data. | 11-27-2014 |
20140250042 | System and Method for Improving the Flight Safety - The present invention relates to a system for improving the flight safety, comprising: a prediction component which predicts behaviors of an aircraft; and an indication component which indicates adjustment of an operation of the aircraft to reduce the possibility of occurrence of abnormal flying behaviors. | 09-04-2014 |
20130197721 | METHOD FOR DETECTING PERFORMANCE OF AN AIRCRAFT BASED ON A CUSTOMIZED MESSAGE - The present invention relates to a method for detecting the performance of the aircraft comprising: collecting data reflecting operation status of the aircraft; generating the customized message based on the collected data, wherein, the customized message is configured to include one or more main parameters related to the operation status of the aircraft; storing or transmitting the customized message; and detecting the performance of the aircraft based on the customized message. | 08-01-2013 |
20130179028 | METHOD FOR DETECTING WHETHER PERFORMANCE OF AIRCRAFT COMPONENTS IS IN THE DETERIORATION PERIOD - The present application discloses a method for detecting whether performance of an aircraft component is in a decline period, comprising: obtaining one or more detection parameters reflecting operation status of the aircraft component; comparing data of the one or more detection parameters with respective desired values; and determining whether the performance of the aircraft component is in the decline period based on a comparison result. | 07-11-2013 |
20130030614 | METHOD FOR DETECTING THE LANDING QUALITY OF AN AIRCRAFT - The present invention relates to a method for detecting landing quality of an aircraft, comprising: determining whether a vertical speed rate is greater than a first preset value or a vertical acceleration is greater than a second value when the aircraft landing; collecting landing data; generating a landing message based on collected landing data in response to that the vertical speed rate is greater than the first preset value or the vertical acceleration is greater than the second value when the aircraft landing; storing or transmitting the landing message; and determining the landing quality of the aircraft based on the landing data in the landing message. | 01-31-2013 |
20130019865 | METHOD AND SYSTEM FOR DETECTING THE PERFORMANCE OF A CREW OXYGEN SYSTEM - The present invention relates to a method and a system for detecting the performance of a crew oxygen system. The method comprising: obtaining an oxygen pressure of an oxygen cylinder of the crew oxygen system, an ambient air temperature and a cockpit temperature; generating crew oxygen messages from obtained oxygen cylinder of the crew oxygen system, the ambient air temperature and the cockpit temperature; receiving the crew oxygen messages, and determining an oxygen pressure of the oxygen cylinder under standard temperature; and determining performance of the crew oxygen system. | 01-24-2013 |
20130013222 | METHOD FOR DETECTING THE PERFORMANCE OF AUXILIARY POWER UNIT - The present application discloses a method for detecting performance of an APU, comprising: obtaining EGT (Exhaust Gas Temperature), LCIT (Load Compressor Inlet Temperature), STA (Starting Time), TSR and PT, comparing respectively a difference of EGT and LCIT (i.e., EGT-LCIT), STA, TSR and PT with respective threshold value; assigning a weights to comparison results between the EGT-LCIT, STA, TSR and PT and the respective threshold value; and determining the performance of the APU based on the comparison results considering the weight between the EGT-LCIT, STA, TSR and PT and the respective threshold value. | 01-10-2013 |