专利汇可以提供System for real-time logging of aircraft sensor data received from an Enhanced Ground Proximity Warning System专利检索,专利查询,专利分析的服务。并且Systems and methods for performing efficient, inexpensive data logging of aircraft sensor data. An example system (20) on board an aircraft (18) includes a plurality of data sources (34) that provide sensor data associated with a plurality of avionic components, a line replaceable processing unit (24) that is in signal communication with the plurality of data sources via one or more databuses (32), a wireless router (26) connected to the line replaceable processing unit via a data cable and a portable data unit (28) in wireless data communication with the wireless router. The wireless router receives at least a portion of the sensor data from the line replaceable processing unit and sends the received sensor data to the portable data unit.,下面是System for real-time logging of aircraft sensor data received from an Enhanced Ground Proximity Warning System专利的具体信息内容。
The current method for recording flight data on an aircraft is performed in the flight data recorder or black box. The flight data recorder is a good tool for recording flight data at a terminal stage of flight. However, the data included therein does not provide a valuable tool for analyzing and evaluating conformity of flight crew operation from take off to landing of a flight.
Options for presenting a quick access recording system have proven to be both difficult to implement and beyond the expense that most aircraft operators are willing to incur.
The present invention provides systems and methods for performing efficient, inexpensive data logging of aircraft sensor data. An example system on board an aircraft includes a plurality of data sources that provide sensor data associated with a plurality of avionic components, a line replaceable processing unit (LRU) that is in signal communication with the plurality of data sources via one or more databuses, a wireless router connected to the line replaceable processing unit via a data cable and a portable data unit in wireless data communication with the wireless router. The wireless router receives at least a portion of the sensor data from the line replaceable processing unit and sends the received sensor data to the portable data unit.
In one aspect of the invention, the line replaceable processing unit includes an Enhanced Ground Proximity Warning System (EGPWS) having an auxiliary data port. The auxiliary data port outputs at least a portion of the sensor data.
In another aspect of the invention, the portable data unit includes an application program (e.g. WinViews) that outputs at least a portion of the sensor data.
In still another aspect of the invention, the wireless router and portable data unit are replaced by or included with internal and/or removable memory that records the sensor data.
Preferred and alternative embodiments of the present invention are described in detail below with reference to the following drawings:
The wireless router 26 is in wireless communication with the portable receiver device 28. The LRU 24 receives flight data from various data sources 34 within an aircraft 18 via the data source interconnects 32. The flight data that the LRU 24 retrieves is made available to the portable receiver device 28 via the wireless router 26 and/or the portable memory device 30. In one embodiment, the flight data is stored in real-time on the portable memory device 30 or at the portable receiver device 28.
An example of the portable processing device 28 is a Personal Data Assistant (PDA). In one embodiment the LRU 24 is an Enhanced Ground Proximity Warning System (EGPWS) made by Honeywell International, Inc. The EGPWS receives a variety of inputs, such as air data, GPS, radio altitude, display, navigation, attitude, heading, torque, discrete values, internally computed output values, and discrete outputs. The following is a non-conclusive list of signals and data that are available for output by the EGPWS to the portable processing device 28 or the removable recording device 30:
The wireless router 106 (i.e., recording system) utilizes the Windows Virtual Interface to the Enhanced Warning System (WinViews) protocol to extract data from the EGPWS box 104. An application program (operating on the wireless router 106 and/or the portable processing device 110) that adheres to the WinViews protocol allows one to monitor or view values within the EGPWS box 104. This application program provides a monitor function that does not alter the operation of the EGPWS. This application program can automatically display the current value of each parameter extracted from the EGPWS box 104.
It is noted that the present invention may be implemented on other LRUs or other EGPWS units (e.g., KGP-560 and EM21) and not all EGPWS have the data ports J1 and J2. Thus, it is appreciated that the addition of an auxiliary data port coupled to the internal CPU for receiving sensor data based on the WinViews protocol can be performed on other LRUs or other EGPWS units (e.g., KGP-560 and EM21).
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