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

Chapter 11 / Future Research
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11.1 Targets
• Randomise the phase offset of the elemental weave models.
• Provide the goal-orientated target with a moveable aim-point rather than the
current missile launcher/radar, expressing its acceleration dynamics in the
Alignment frame.
• Introduce an elemental model for the iterative solution of pursuit - evasion
games subject to typical target limitations.
• Introduce a target reference frame defining its initial state, and angular
acceleration dynamics, with respect to the Alignment frame. Place a target
on the X-axis of this frame with linear LOS acceleration dynamics.
11.2 Sensors
Inertial Sensors
• Introduce a facility for modelling zero-mean angular rate and acceleration
vibration rectification. Automatically generated a state space model driven
by Gaussian noise that matches a smooth power spectrum defined at a
number of frequencies.
Radar Altimeters
• Provide a sea-surface for sea-states in the range [0,7] using internationally
accepted sea-spectra and a wide-beam error model.
Radar and Seekers
• Clone the detector error models so that that can be executed in parallel for
2-colour sensor fusion.
• Review the effect of frequency agility, multipath and clutter models,
capturing their effect on the sensor measurements at the system level.
NAVSTAR GPS
• Determining satellite positions directly from Ephemeris data to compliment
the idealised method based on a symmetrical 24 satellite constellation.
• Extend the earth and self-screening models to include satellite rejection
when the local terrain impinges on the missile seeker LOS.
Air-Data Sensors
• Add a magnetometer error model and attitude extraction software.
11.3 Target State Observation
• Assess the stability of IMM tracking filters at 0.5 Hz and 1 Hz, repeating the
filter tuning study presented in §9. Re-examine the measurement processing
order and the benefits of iterating the EKF measurement update.
11-3