id sid tid token lemma pos s4655d8946f 1 1 this this DET s4655d8946f 1 2 work work NOUN s4655d8946f 1 3 presents present VERB s4655d8946f 1 4 a a DET s4655d8946f 1 5 novel novel ADJ s4655d8946f 1 6 method method NOUN s4655d8946f 1 7 of of ADP s4655d8946f 1 8 measuring measure VERB s4655d8946f 1 9 the the DET s4655d8946f 1 10 unsteady unsteady ADJ s4655d8946f 1 11 thrust thrust NOUN s4655d8946f 1 12 of of ADP s4655d8946f 1 13 a a DET s4655d8946f 1 14 hovering hover VERB s4655d8946f 1 15 flapping flap VERB s4655d8946f 1 16 wing wing NOUN s4655d8946f 1 17 vehicle vehicle NOUN s4655d8946f 1 18 and and CCONJ s4655d8946f 1 19 the the DET s4655d8946f 1 20 development development NOUN s4655d8946f 1 21 of of ADP s4655d8946f 1 22 phenomenological phenomenological ADJ s4655d8946f 1 23 models model NOUN s4655d8946f 1 24 to to PART s4655d8946f 1 25 simulate simulate VERB s4655d8946f 1 26 it it PRON s4655d8946f 1 27 . . PUNCT s4655d8946f 2 1 the the DET s4655d8946f 2 2 measurements measurement NOUN s4655d8946f 2 3 were be AUX s4655d8946f 2 4 taken take VERB s4655d8946f 2 5 using use VERB s4655d8946f 2 6 a a DET s4655d8946f 2 7 balance balance NOUN s4655d8946f 2 8 beam beam NOUN s4655d8946f 2 9 with with ADP s4655d8946f 2 10 the the DET s4655d8946f 2 11 flapping flap VERB s4655d8946f 2 12 wings wing NOUN s4655d8946f 2 13 mounted mount VERB s4655d8946f 2 14 at at ADP s4655d8946f 2 15 one one NUM s4655d8946f 2 16 end end NOUN s4655d8946f 2 17 and and CCONJ s4655d8946f 2 18 a a DET s4655d8946f 2 19 counterweight counterweight NOUN s4655d8946f 2 20 plus plus CCONJ s4655d8946f 2 21 an an DET s4655d8946f 2 22 accelerometer accelerometer NOUN s4655d8946f 2 23 mounted mount VERB s4655d8946f 2 24 at at ADP s4655d8946f 2 25 the the DET s4655d8946f 2 26 other other ADJ s4655d8946f 2 27 . . PUNCT s4655d8946f 3 1 the the DET s4655d8946f 3 2 trust trust NOUN s4655d8946f 3 3 axis axis NOUN s4655d8946f 3 4 of of ADP s4655d8946f 3 5 the the DET s4655d8946f 3 6 flapping flap VERB s4655d8946f 3 7 wings wing NOUN s4655d8946f 3 8 was be AUX s4655d8946f 3 9 mounted mount VERB s4655d8946f 3 10 vertically vertically ADV s4655d8946f 3 11 , , PUNCT s4655d8946f 3 12 and and CCONJ s4655d8946f 3 13 the the DET s4655d8946f 3 14 counterweight counterweight NOUN s4655d8946f 3 15 was be AUX s4655d8946f 3 16 adjusted adjust VERB s4655d8946f 3 17 to to PART s4655d8946f 3 18 balance balance VERB s4655d8946f 3 19 the the DET s4655d8946f 3 20 weight weight NOUN s4655d8946f 3 21 and and CCONJ s4655d8946f 3 22 average average ADJ s4655d8946f 3 23 thrust thrust NOUN s4655d8946f 3 24 of of ADP s4655d8946f 3 25 the the DET s4655d8946f 3 26 flapping flap VERB s4655d8946f 3 27 wings wing NOUN s4655d8946f 3 28 . . PUNCT s4655d8946f 4 1 an an DET s4655d8946f 4 2 accelerometer accelerometer NOUN s4655d8946f 4 3 mounted mount VERB s4655d8946f 4 4 above above ADP s4655d8946f 4 5 the the DET s4655d8946f 4 6 counterweight counterweight NOUN s4655d8946f 4 7 measured measure VERB s4655d8946f 4 8 the the DET s4655d8946f 4 9 unsteady unsteady ADJ s4655d8946f 4 10 thrust thrust NOUN s4655d8946f 4 11 . . PUNCT s4655d8946f 5 1 this this DET s4655d8946f 5 2 method method NOUN s4655d8946f 5 3 decoupled decouple VERB s4655d8946f 5 4 the the DET s4655d8946f 5 5 force force NOUN s4655d8946f 5 6 sensing sense VERB s4655d8946f 5 7 element element NOUN s4655d8946f 5 8 from from ADP s4655d8946f 5 9 the the DET s4655d8946f 5 10 mass mass NOUN s4655d8946f 5 11 of of ADP s4655d8946f 5 12 the the DET s4655d8946f 5 13 flapping flap VERB s4655d8946f 5 14 wings wing NOUN s4655d8946f 5 15 , , PUNCT s4655d8946f 5 16 as as SCONJ s4655d8946f 5 17 opposed oppose VERB s4655d8946f 5 18 to to ADP s4655d8946f 5 19 standard standard ADJ s4655d8946f 5 20 force force NOUN s4655d8946f 5 21 sensors sensor NOUN s4655d8946f 5 22 that that PRON s4655d8946f 5 23 use use VERB s4655d8946f 5 24 a a DET s4655d8946f 5 25 linear linear ADJ s4655d8946f 5 26 spring spring NOUN s4655d8946f 5 27 . . PUNCT s4655d8946f 6 1 this this DET s4655d8946f 6 2 study study NOUN s4655d8946f 6 3 showed show VERB s4655d8946f 6 4 that that SCONJ s4655d8946f 6 5 the the DET s4655d8946f 6 6 spectral spectral ADJ s4655d8946f 6 7 content content NOUN s4655d8946f 6 8 of of ADP s4655d8946f 6 9 the the DET s4655d8946f 6 10 flapping flap VERB s4655d8946f 6 11 wings wing NOUN s4655d8946f 6 12 extended extend VERB s4655d8946f 6 13 to to ADP s4655d8946f 6 14 15 15 NUM s4655d8946f 6 15 times time NOUN s4655d8946f 6 16 the the DET s4655d8946f 6 17 flapping flap VERB s4655d8946f 6 18 frequency frequency NOUN s4655d8946f 6 19 , , PUNCT s4655d8946f 6 20 well well ADV s4655d8946f 6 21 above above ADP s4655d8946f 6 22 the the DET s4655d8946f 6 23 resonant resonant ADJ s4655d8946f 6 24 frequency frequency NOUN s4655d8946f 6 25 of of ADP s4655d8946f 6 26 the the DET s4655d8946f 6 27 mass mass ADJ s4655d8946f 6 28 - - PUNCT s4655d8946f 6 29 spring spring NOUN s4655d8946f 6 30 - - PUNCT s4655d8946f 6 31 damper damper NOUN s4655d8946f 6 32 system system NOUN s4655d8946f 6 33 formed form VERB s4655d8946f 6 34 by by ADP s4655d8946f 6 35 a a DET s4655d8946f 6 36 load load NOUN s4655d8946f 6 37 cell cell NOUN s4655d8946f 6 38 and and CCONJ s4655d8946f 6 39 flapping flap VERB s4655d8946f 6 40 mechanism mechanism NOUN s4655d8946f 6 41 . . PUNCT s4655d8946f 7 1 high high ADJ s4655d8946f 7 2 speed speed NOUN s4655d8946f 7 3 video video NOUN s4655d8946f 7 4 of of ADP s4655d8946f 7 5 the the DET s4655d8946f 7 6 wings wing NOUN s4655d8946f 7 7 was be AUX s4655d8946f 7 8 used use VERB s4655d8946f 7 9 to to PART s4655d8946f 7 10 determine determine VERB s4655d8946f 7 11 the the DET s4655d8946f 7 12 motion motion NOUN s4655d8946f 7 13 of of ADP s4655d8946f 7 14 the the DET s4655d8946f 7 15 flexible flexible ADJ s4655d8946f 7 16 structure structure NOUN s4655d8946f 7 17 . . PUNCT s4655d8946f 8 1 this this DET s4655d8946f 8 2 motion motion NOUN s4655d8946f 8 3 was be AUX s4655d8946f 8 4 used use VERB s4655d8946f 8 5 to to PART s4655d8946f 8 6 develop develop VERB s4655d8946f 8 7 phenomenological phenomenological ADJ s4655d8946f 8 8 linear linear ADJ s4655d8946f 8 9 models model NOUN s4655d8946f 8 10 of of ADP s4655d8946f 8 11 flapping flap VERB s4655d8946f 8 12 wing wing NOUN s4655d8946f 8 13 thrust thrust NOUN s4655d8946f 8 14 generation generation NOUN s4655d8946f 8 15 . . PUNCT s4655d8946f 9 1 the the DET s4655d8946f 9 2 results result NOUN s4655d8946f 9 3 show show VERB s4655d8946f 9 4 that that SCONJ s4655d8946f 9 5 this this DET s4655d8946f 9 6 approach approach NOUN s4655d8946f 9 7 to to ADP s4655d8946f 9 8 linear linear ADJ s4655d8946f 9 9 modeling modeling NOUN s4655d8946f 9 10 produces produce VERB s4655d8946f 9 11 a a DET s4655d8946f 9 12 system system NOUN s4655d8946f 9 13 of of ADP s4655d8946f 9 14 equations equation NOUN s4655d8946f 9 15 that that PRON s4655d8946f 9 16 can can AUX s4655d8946f 9 17 be be AUX s4655d8946f 9 18 used use VERB s4655d8946f 9 19 for for ADP s4655d8946f 9 20 flight flight NOUN s4655d8946f 9 21 dynamics dynamic NOUN s4655d8946f 9 22 simulation simulation NOUN s4655d8946f 9 23 and and CCONJ s4655d8946f 9 24 controller controller NOUN s4655d8946f 9 25 design design NOUN s4655d8946f 9 26 . . PUNCT