Thesis - Leigh Moody.pdf - Bad Request - Cranfield University

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Chapter 9 / Performance _ _ VXMVOM [m/sec] 1400 1300 1200 1100 1000 900 800 700 The baseline performance for Target 3 contains no body-to-beam, missile or target acceleration compensation (CL01 - blue). This is compared with (CL02 - green), the same with a target avoidance manoeuvre with 2 s to impact, and (CL03 - red) fully compensated with target manoeuvre, in Figure 9-27 to Figure 9-30. Baseline performance is typically poor without the compensation terms that remove boost phase oscillations and increasing missile speed. Compare the cases in which the target manoeuvres prior to impact. The compensation reduces the miss distance from 11 m to 5 m with less effort at the expense of impact speed that drops from 695 m/s to 671 m/s. The performance of CLOS compared with PN in respect of miss distance demonstrates why PN is preferred for terminal guidance, particularly for long-range engagements. Now consider CLOS performance against a weaving target by comparing (CL04 - blue) with no compensation, and (CL05 - green) with compensation in Figure 9-31 to Figure 9-34. Apart from the aforementioned oscillations during the boost phase that are removed by the compensation, the performance of the two is similar. The miss distance of 0.7 m is fortuitous, a reflection of the weave phase, although the beam stiffness was sufficient to track the weave expending slightly less energy as in the equivalent PN case. The missile is less responsive and better able to follow the underlying trajectory upon which the target weave is superimposed. From these results CLOS performs better against weaves than relatively high bandwidth PN, which fares better against constant velocity for which it is designed and manoeuvring targets. T3_CL_000.MTB T3_CL_001.MTB T3_CL_002.MTB 600 31 32 33 34 35 36 37 38 39 40 TIME [seconds] Figure 9-27 Speed ( Trajectory 3 ) A_BMV [degrees] 9-16 25 20 15 10 5 T3_CL_000.MTB T3_CL_001.MTB T3_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] Figure 9-28 Body Incidence ( Trajectory 3 )
Chapter 9 / Performance _ _ AR_BOM [m/sec**2] VXMVOM [m/sec] 300 250 200 150 100 50 T3_CL_000.MTB T3_CL_001.MTB T3_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] Figure 9-29 Lateral Acceleration ( Trajectory 3 ) 600 31 32 33 34 35 36 37 38 39 40 TIME [seconds] AR_BOM [m/sec**2] 1400 1300 1200 1100 1000 900 800 700 80 70 60 50 40 30 20 10 T7_CL_000.MTB T7_CL_002.MTB Figure 9-31 Speed ( Trajectory 7 ) T7_CL_000.MTB T7_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] Figure 9-33 Lateral Acceleration ( Trajectory 7 ) F_A_TM [degrees] F_A_TM [degrees] 9-17 0.3 0.25 0.2 0.15 0.1 0.05 A_BMV [degrees] 1 DEGREE INITIAL PEAK T3_CL_000.MTB T3_CL_001.MTB T3_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] 8 7 6 5 4 3 2 1 Figure 9-30 Differential Angle ( Trajectory 3 ) T7_CL_000.MTB T7_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] 0.3 0.25 0.2 0.15 0.1 0.05 Figure 9-32 Body Incidence ( Trajectory 7 ) T7_CL_000.MTB T7_CL_002.MTB 0 30 31 32 33 34 35 36 37 38 39 40 TIME [seconds] Figure 9-34 Differential Angle (Trajectory 7 )
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CRANFIELD UNIVERSITY LEIGH MOODY SE
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ABSTRACT When considering advances
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Contents _ _ LIST OF CONTENTS 1 INT
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Contents _ _ 8.2 The Scope of Moder
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Contents _ _ 17.4 Inertial Velocity
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Tables _ _ LIST OF TABLES Table 1-1
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Figures _ _ LIST OF FIGURES Figure
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Figures _ _ Figure 5-1 : Centralise
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Figures _ _ Figure 19-3 : Air Densi
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Acronyms _ _ Acronyms And Abbreviat
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Acronyms _ _ HDOP - NAVSTAR GPS Hor
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Acronyms _ _ RCS - Radar Cross Sect
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Glossary _ _ GLOSSARY A challenge w
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Glossary _ _ 0.1 Predicate Calculus
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Glossary _ _ ]A,B] Real number rang
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Glossary _ _ 0.9 Matrix Operators [
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Glossary _ _ 0.14.2 Special Vectors
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Glossary _ _ P C a , b ≡ XC YC ZC
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Glossary _ _ V ≡ V : = V • V Th
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Glossary _ _ 0.16.4 Matrix Partitio
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Glossary _ _ Only the subset of qua
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Glossary _ _ 0.19 Systeme Internati
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1 Chapter 1 / Introduction _ _ Chap
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Chapter 1 / Introduction _ _ Wherea
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Chapter 1 / Introduction _ _ • Cr
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Chapter 1 / Introduction _ _ genera
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Chapter 1 / Introduction _ _ radar
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Chapter 1 / Introduction _ _ simple
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Chapter 1 / Introduction _ _ optimi
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Chapter 1 / Introduction _ _ 1.3.9
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2 Chapter 2 / Target Modelling _ _
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Chapter 2 / Target Modelling _ _ 2.
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Chapter 2 / Target Modelling _ _
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Chapter 2 / Target Modelling _ _ t
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Chapter 2 / Target Modelling _ _ P&
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Chapter 2 / Target Modelling _ _ GO
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Chapter 2 / Target Modelling _ _
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Chapter 2 / Target Modelling _ _ VX
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Chapter 2 / Target Modelling _ _ ma
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3 Chapter 3 / Sensors _ _ Chapter 3
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Chapter 3 / Sensors _ _ 3.1 Simulat
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Chapter 3 / Sensors _ _ Table 3-4 :
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Chapter 3 / Sensors _ _ Reference D
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Chapter 3 / Sensors _ _ 3.2-9 s s i
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Chapter 3 / Sensors _ _ 3.2-11 t o
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Chapter 3 / Sensors _ _ Figure 3-5
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Chapter 3 / Sensors _ _ Table 3-7 :
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Chapter 3 / Sensors _ _ IF ϕ LIM
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Chapter 3 / Sensors _ _ The phase e
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Chapter 3 / Sensors _ _ Taking expe
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Chapter 3 / Sensors _ _ Expressing
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Chapter 3 / Sensors _ _ INPUT; AA,
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Chapter 3 / Sensors _ _ The functio
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Chapter 3 / Inertial Navigation _ _
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Chapter 3 / Sensors / Gyroscopes _
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Chapter 3 / Sensors / Accelerometer
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Chapter 3 / Sensors / Barometric Al
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Chapter 3 / Sensors / Barometric Al
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Chapter 3 / Sensors / Radar Altimet
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Chapter 3 / Sensors / Radar _ _ 3.8
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Chapter 3 / Sensors / Radar _ _ LF
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Chapter 3 / Sensors / Radar _ _ ( )
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Chapter 3 / Sensors / Radar _ _ S :
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Chapter 3 / Sensors / Radar _ _ SN
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Chapter 3 / Sensors / Radar _ _ 2
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Chapter 3 / Sensors / Radar _ _ ⎛
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Chapter 3 / Sensors / Seeker _ _ 3.
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Chapter 3 / Sensors / Fins _ _ 3.10
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Chapter 3 / Sensors / NAVSTAR GPS _
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Chapter 3 / Sensors / Helmet Mounte
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Chapter 3 / Sensors / Helmet Mounte
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Chapter 3 / Sensors / Air Data Syst
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Chapter 4 / Target Tracking _ _ 3.1
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Chapter 4 / Target Tracking _ _ Ine
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Chapter 4 / Target Tracking _ _ ran
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Chapter 5 / Missile State Observer
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5 Chapter 5 / Missile State Observe
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6 Chapter 6 / Missile Guidance _ _
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Chapter 6 / Missile Guidance _ _ 6.
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Chapter 6 / Missile Guidance _ _ As
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Chapter 6 / Missile Guidance _ _
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Chapter 6 / Missile Guidance _ _ CD
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Chapter 6 / Missile Guidance _ _ ex
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Chapter 6 / Missile Guidance _ _ &
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Chapter 6 / Missile Guidance _ _ PN
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Chapter 6 / Missile Guidance _ _ ra
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Chapter 6 / Missile Guidance _ _ of
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Chapter 6 / Missile Guidance _ _ NO
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Chapter 6 / Missile Guidance _ _ tr
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Chapter 6 / Missile Guidance _ _ η
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Chapter 6 / Missile Guidance _ _ Au
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Chapter 6 / Missile Guidance _ _ Fo
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Chapter 6 / Missile Guidance _ _
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Chapter 6 / Missile Guidance _ _ ar
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7 Chapter 7 / Missile Trajectory Op
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Chapter 7 / Missile Trajectory Opti
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Page 436 and 437: References _ _ B.4 BAZARAA M.S., SH
Page 438 and 439: References _ _ F.1 FOX J.E., “A C
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Page 452 and 453: Bibliography _ _ B.13 BABA Y., YAMA
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Bibliography _ _ E.8 ERSHOV A.A.,
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Bibliography _ _ G.34 GUTMAN P., VE
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Bibliography _ _ H.35 HUSSAIN A.M.,
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Bibliography _ _ K.14 KATZIR S., CL
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Bibliography _ _ L.19 LEFAS C.C,
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Bibliography _ _ M.16 MAYNE D.Q., P
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Bibliography _ _ P.1 PAINTER J.H.,
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Bibliography _ _ R.32 RONG LI X., Z
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Bibliography _ _ S.47 SPEYER J.L.,
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Bibliography _ _ V.5 VIAN J.L., MOO
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Bibliography _ _ W.29 WATSON G.A.,
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Appendix A / Geometric Points _ _ 1
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Appendix A / Geometric Points _ _ 1
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Appendix B / Frames of Reference _
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Appendix C / Axis Transforms _ _ 16
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Appendix C / Axis Transforms _ _ YP
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Appendix C / Axis Transforms _ _ B
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Appendix C / Axis Transforms _ _ YB
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Appendix C / Axis Transforms _ _ Us
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Appendix C / Axis Transforms _ _ No
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Appendix C / Axis Transforms _ _ B
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Appendix C / Axis Transforms _ _
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Appendix D / Point Mass Dynamics _
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Appendix E / Earth Geometry _ _ 18-
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Appendix E / Earth Geometry _ _ ELL
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Appendix E / Earth Geometry _ _ (dx
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Appendix E / Earth Geometry _ _ Int
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Appendix E / Earth Geometry _ _ 18.
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Appendix E / Earth Geometry _ _ 19-
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Appendix E / Earth Geometry _ _ P S
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Appendix E / Earth Geometry _ _ 19.
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Appendix E / Earth Geometry _ _ ∂
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Appendix G / Gravity _ _ 20-2
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Appendix G / Gravity _ _ g : = g +
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Appendix G / Gravity _ _ d −6 2
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Appendix G / Gravity _ _ 20-8
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Appendix H / Steady State Tracking
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Appendix I / Utilities _ _ 22.1-2
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Appendix I / Utilities _ _ Cartesia
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Appendix I / Utilities _ _ Matrix P
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Appendix I / Utilities _ _ 22.1-8
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Appendix I / Utilities / Point Mass
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Appendix I / Utilities / Matrices _
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Appendix I / Utilities / Quaternion
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