Detection of noise in pressure sensor and prediction of pressure sensors drift in cabin pressure control system/air data computer system/environmental control systems
A pressure control system for an environment to be pressurized includes a controller configured to calculate at least one of: a calculated pressure sensor rate of change error; and a calculated pressure sensor error. The calculated sensor rate of change error is based on a plurality of first environ...
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| creator | Kalichakradhar, Vemuri Horner, Darrell |
| description | A pressure control system for an environment to be pressurized includes a controller configured to calculate at least one of: a calculated pressure sensor rate of change error; and a calculated pressure sensor error. The calculated sensor rate of change error is based on a plurality of first environment air pressure signals over a first time period; and the calculated sensor error is based, over a second period of time, a difference between ambient air pressure signals and second environment air pressure signals. A processor in communication with the controller is configured to compare at least one of: the calculated pressure sensor rate of change error with at least one pressure sensor rate of change error control limit; and the calculated pressure sensor error with at least one pressure sensor error control limit. The at least one pressure sensor rate of change error control limit is based on past pressure sensor rate of change errors; and the at least one pressure sensor error control limit is based on past pressure sensor errors. |
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The calculated sensor rate of change error is based on a plurality of first environment air pressure signals over a first time period; and the calculated sensor error is based, over a second period of time, a difference between ambient air pressure signals and second environment air pressure signals. A processor in communication with the controller is configured to compare at least one of: the calculated pressure sensor rate of change error with at least one pressure sensor rate of change error control limit; and the calculated pressure sensor error with at least one pressure sensor error control limit. 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The calculated sensor rate of change error is based on a plurality of first environment air pressure signals over a first time period; and the calculated sensor error is based, over a second period of time, a difference between ambient air pressure signals and second environment air pressure signals. A processor in communication with the controller is configured to compare at least one of: the calculated pressure sensor rate of change error with at least one pressure sensor rate of change error control limit; and the calculated pressure sensor error with at least one pressure sensor error control limit. The at least one pressure sensor rate of change error control limit is based on past pressure sensor rate of change errors; and the at least one pressure sensor error control limit is based on past pressure sensor errors.</description><subject>AIRCRAFT</subject><subject>ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT</subject><subject>ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE</subject><subject>AVIATION</subject><subject>CHECKING-DEVICES</subject><subject>COSMONAUTICS</subject><subject>DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR</subject><subject>EQUIPMENT FOR FITTING IN OR TO AIRCRAFT</subject><subject>FLYING SUITS</subject><subject>GENERATING RANDOM NUMBERS</subject><subject>GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT</subject><subject>HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR</subject><subject>MEASURING</subject><subject>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</subject><subject>PARACHUTES</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>REGISTERING OR INDICATING THE WORKING OF MACHINES</subject><subject>TESTING</subject><subject>TIME OR ATTENDANCE REGISTERS</subject><subject>TRANSPORTING</subject><subject>VOTING OR LOTTERY APPARATUS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjD0KwkAQhdNYiHqH8QBiNDa2_mGv1mHcncBCMrPsTAQv5Dk1oCKprB5873tvmD12ZOQsCINUwBKUIDDERKptIlBilQTIvmM-fNWeoeBTqKzbOrz-PjhhS1KD3tWomWNI4NHwxZvYGqVPQXwLSbghNqx7Kx1ngwprpck7R9n0sD9vjzOKUpJGdMRk5eW0yNfFKs9Xm2Xxj_MEbJlZdQ</recordid><startdate>20210302</startdate><enddate>20210302</enddate><creator>Kalichakradhar, Vemuri</creator><creator>Horner, Darrell</creator><scope>EVB</scope></search><sort><creationdate>20210302</creationdate><title>Detection of noise in pressure sensor and prediction of pressure sensors drift in cabin pressure control system/air data computer system/environmental control systems</title><author>Kalichakradhar, Vemuri ; Horner, Darrell</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10934004B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>AIRCRAFT</topic><topic>ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT</topic><topic>ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE</topic><topic>AVIATION</topic><topic>CHECKING-DEVICES</topic><topic>COSMONAUTICS</topic><topic>DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR</topic><topic>EQUIPMENT FOR FITTING IN OR TO AIRCRAFT</topic><topic>FLYING SUITS</topic><topic>GENERATING RANDOM NUMBERS</topic><topic>GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT</topic><topic>HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR</topic><topic>MEASURING</topic><topic>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</topic><topic>PARACHUTES</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>REGISTERING OR INDICATING THE WORKING OF MACHINES</topic><topic>TESTING</topic><topic>TIME OR ATTENDANCE REGISTERS</topic><topic>TRANSPORTING</topic><topic>VOTING OR LOTTERY APPARATUS</topic><toplevel>online_resources</toplevel><creatorcontrib>Kalichakradhar, Vemuri</creatorcontrib><creatorcontrib>Horner, Darrell</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kalichakradhar, Vemuri</au><au>Horner, Darrell</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Detection of noise in pressure sensor and prediction of pressure sensors drift in cabin pressure control system/air data computer system/environmental control systems</title><date>2021-03-02</date><risdate>2021</risdate><abstract>A pressure control system for an environment to be pressurized includes a controller configured to calculate at least one of: a calculated pressure sensor rate of change error; and a calculated pressure sensor error. The calculated sensor rate of change error is based on a plurality of first environment air pressure signals over a first time period; and the calculated sensor error is based, over a second period of time, a difference between ambient air pressure signals and second environment air pressure signals. A processor in communication with the controller is configured to compare at least one of: the calculated pressure sensor rate of change error with at least one pressure sensor rate of change error control limit; and the calculated pressure sensor error with at least one pressure sensor error control limit. The at least one pressure sensor rate of change error control limit is based on past pressure sensor rate of change errors; and the at least one pressure sensor error control limit is based on past pressure sensor errors.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE AVIATION CHECKING-DEVICES COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GENERATING RANDOM NUMBERS GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PARACHUTES PERFORMING OPERATIONS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES TESTING TIME OR ATTENDANCE REGISTERS TRANSPORTING VOTING OR LOTTERY APPARATUS |
| title | Detection of noise in pressure sensor and prediction of pressure sensors drift in cabin pressure control system/air data computer system/environmental control systems |
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