{"text_format":"2","workbook":"xlsx","n_sheets":4,"sheets":["MCPS","Motor","Propeller","SFMEA"],"not_rendered":{"charts":0,"images":0,"macros":0,"external_links":0,"defined_names":2,"comments":1,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"MCPS","index":0,"n_rows":9,"n_cols":6,"rows_kept":9,"cut":false,"hidden":false,"merged":[]}
["Component name",null,"Motor Control and Monitoring System"]
[]
["Generic failure for SFMEA","Causal failures (Details of Failures from FMEA when available)","Local Effects on system","Required failure rate /FH","Achieved failure rate /FH","Compliance"]
["loss of controlled eletrical power supply to the motor","Motor rotor rupture\nLoss of ","loss of thrust generation by the propulsion unit",1.0000000000000001E-5,2.3E-6,"YES"]
["erroneous electrical power supply to the motor","failures leading to an erroneous motor control, erroneous motor position measure","erroneous thrust generation by the propulsion unit",9.9999999999999995E-7,7.5000000000000002E-7,"YES"]
["loss of motor depowering capability","Motor rotor rupture\nLoss of ","In single failure, no direct effet.\nIn case of an additional failure, incapacity to depower the engine when requested.",1.0000000000000001E-5,2.3E-5,"NO"]
["uncontrolled motor depowering","failures leading to an erroneous motor control, erroneous motor position measure","loss of thrust generation by the propulsion unit",9.9999999999999995E-7,7.5000000000000002E-6,"NO"]
["loss of motor rotation speed measure","Motor rotor rupture\nLoss of ","loss of motor monitoring capability",1.0000000000000001E-5,2.3E-6,"YES"]
["erroneous motor rotation speed measure","failures leading to an erroneous motor control, erroneous motor position measure","In worst case : unexpected motor depowering, leading to loss of thrust generation by the propulsion unit",9.9999999999999995E-7,7.5000000000000002E-7,"YES"]

{"sheet":"Motor","index":1,"n_rows":5,"n_cols":6,"rows_kept":5,"cut":false,"hidden":false,"merged":[]}
["Component name",null,"Motor"]
[]
["Generic failure for SFMEA","Causal failures (Details of Failures from FMEA when available)","Local Effects on system","Required failure rate /FH","Achieved failure rate /FH","Compliance"]
["Complete loss of rotation capability","Motor rotor rupture\nLoss of ","loss of rotation motion transmission to propeller",9.9999999999999995E-7,2.3E-6,"NO"]
["Erroneous rotation speed","failures leading to an erroneous motor control, erroneous motor position measure","erroneous rotation motion transmission to propeller",9.9999999999999995E-7,7.5000000000000002E-7,"YES"]

{"sheet":"Propeller","index":2,"n_rows":5,"n_cols":6,"rows_kept":5,"cut":false,"hidden":false,"merged":[]}
["Component name",null,"Propeller"]
[]
["Generic failure for SFMEA","Causal failures (Details of Failures from FMEA when available)","Local Effects on system","Required failure rate /FH","Achieved failure rate /FH","Compliance"]
["Complete loss of thrust due to propeller","Motor rotor rupture\nLoss of ","loss of thrust provided by the propeller",9.9999999999999995E-7,8.9999999999999996E-7,"YES"]
["Partial loss of thrust due to propeller","failures leading to an erroneous motor control, erroneous motor position measure","partial loss of thrust provided by the propeller",9.9999999999999995E-7,1.3E-6,"NO"]

{"sheet":"SFMEA","index":3,"n_rows":11,"n_cols":16,"rows_kept":11,"cut":false,"hidden":false,"merged":[]}
["PBS","Equipment","Ref\n(leaves in FTA.\nLink between MBAS est FTAs)","MBSA sub element bricks ","Generic Failure mode \n(for MBSA)","Failures mode\n","Failure Rate /FH\n","Phase\n(Flight)","Effect on system \n(filled with system)","SYMPTOMS\n","Propulsion system FC","Failure detection","Exposure","FCs réf\n","Assumptions and Requirements","Reviews Statements"]
["Actuators","Motor i (i=1..4)","Act1_err",null,"erroneous","Complete loss of rotation capability",2.3E-6,null,"Loss of thrust provided by one propulsion unit. The resulting global thrust is different than the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time","FC0","No failure leads to an erroneous motion with an erroneous measure that is equal to the consign"]
["Actuators","Motor i (i=1..4)","Act1_loss",null,"loss","Erroneous rotation speed",7.5000000000000002E-7,null,"Erroneous thrust provided by one propulsion unit, either high or low. The resulting global thrust is different thatn the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time","FC02","Loss of one actuator does not lead to a total loss of control: Drone is still able to land"]
["Actuators","Propeller i (i=1..4)","Act3_err",null,"erroneous","Loss of thrust provided by the propeller",8.9999999999999996E-7,null,"Loss of thrust provided by one propulsion unit. The resulting global thrust is different than the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time","FC02"]
["Actuators","Propeller i (i=1..4)","Act3_loss",null,"loss","partial loss of thrust provided by the propeller",1.3E-6,null,"Erroneous thrust provided by one propulsion unit, either high or low. The resulting global thrust is different thatn the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time","FC02","Loss of one actuator does not lead to a total loss of control: Drone is still able to land"]
[null,"MCPS i (i=1..4)",null,null,null,"loss of controlled eletrical power supply to the motor",2.3E-6,null,"Loss of thrust provided by one propulsion unit. The resulting global thrust is different than the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time"]
[null,"MCPS i (i=1..4)",null,null,null,"erroneous electrical power supply to the motor",7.5000000000000002E-7,null,"Erroneous thrust provided by one propulsion unit, either high or low. The resulting global thrust is different thatn the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time"]
[null,"MCPS i (i=1..4)",null,null,null,"loss of motor depowering capability",2.3E-5,null,"Loss of motor depowering capability",null,"FC_prop_03 : Incapacity to depower actuators due to Propulsion system","Visually detected","Mission time"]
[null,"MCPS i (i=1..4)",null,null,null,"uncontrolled motor depowering",7.5000000000000002E-6,null,"Loss of thrust provided by one propulsion unit. The resulting global thrust is different than the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time"]
[null,"MCPS i (i=1..4)",null,null,null,"loss of motor rotation speed measure",2.3E-6,null,"Loss of motor monitoring capability",null,"FC_prop_03 : Incapacity to depower actuators due to Propulsion system","Visually detected","Mission time"]
[null,"MCPS i (i=1..4)",null,null,null,"erroneous motor rotation speed measure",7.5000000000000002E-7,null,"Worst case : uncontrolled motor depowering, leading to loss of thrust provided by one propulsion unit. The resulting global thrust is different than the one commanded.",null,"FC_prop_01 : Erroneous thrust due to propulsion system","Visually detected","Mission time"]