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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2015> 24(3): 291-297
WANG Hui, WANG Jiang, CHENG Zhen-xuan. Extended trajectory shaping guidance law considering a first-order autopilot lag[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2015, 24(3): 291-297. doi: 10.15918/j.jbit1004-0579.201524.0302
Citation: WANG Hui, WANG Jiang, CHENG Zhen-xuan. Extended trajectory shaping guidance law considering a first-order autopilot lag[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2015, 24(3): 291-297.doi:10.15918/j.jbit1004-0579.201524.0302
shu

Extended trajectory shaping guidance law considering a first-order autopilot lag

doi:10.15918/j.jbit1004-0579.201524.0302
  • 1.

    School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China

  • 2.

    China North Industries Group Corporation, Beijing 100821, China

  • Received Date:2013-12-01
    Abstract
  • To satisfy the terminal position and impact angel constraints, an optimal guidance problem was discussed for homing missiles. For a stationary or a slowly moving target on the ground, an extended trajectory shaping guidance law considering a first-order autopilot lag (ETSGL-CFAL) was proposed. To derive the ETSGL-CFAL, a time-to-go- nth power weighted objection function was adopted and three different derivation methods were demonstrated while the Schwartz inequality method was mainly demonstrated. The performance of the ETSGL-CFAL and the ETSGL guidance laws was compared through simulation. Simulation results show that although a first-order autopilot is introduced into the ETSGL-CFAL guidance system, the position miss distance and terminal impact angle error induced by the impact angle is zero for different guidance time.
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    • References (14)
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