Random quick smooth second-order sliding mode terminal guidance method

• Main Authors: WU YOULI, ZHANG DANXU, FANG YANGWANG, YANG PENGFEI, PENG WEISHI
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2017
• Subjects: AIMING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPON SIGHTS; WEAPONS

The invention relates to the technical field of weapon systems and utilization engineering, and discloses a random quick smooth second-order sliding mode terminal guidance method. The method comprises the steps that firstly, a random uncertain guidance model is built; secondly, a random quick smooth second-order sliding mode control law is made; and thirdly, the random quick smooth second-order sliding mode control law is applied to the random uncertain guidance model to obtain a finite-time convergence random quick smooth second-order sliding mode guidance law. The method has the beneficial effects that the sliding mode variable convergence speed of the provided random quick smooth second-order sliding mode guidance law is obviously superior to that of a non-finite time guidance law; random maneuvering of a target is considered, and compared with a certain quick smooth second-order sliding mode method, the miss distance is smaller; the provided guidance law can restrain great buffeting of the control quantit