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In this paper, the problem of robust tracking control is investigated. Simulation on the longitudinal model of a flexible air-breathing hypersonic vehicle (FAHV) with actuator saturation and uncertainties is conducted. In order to guarantee that the velocity and altitude to track their reference commands, an adaptive anti-up control strategy is presented based on sliding mode control method. The adaptive...
Coverage path planning determines a path that guides an autonomous vehicle to pass every part of a workspace completely and efficiently. Since turns are often costly for autonomous vehicles, minimizing the number of turns usually produces more working efficiency. This paper presents an optimization approach to minimize the number of turns of autonomous vehicles in coverage path planning. For complex...
This paper presents an optimization approach that takes the vehicle's characteristics into account to minimize the non-working travel of mobile robots in coverage path planning. Since turns are often costly for mobile robots, minimizing the cost of turns usually produces more working efficiency. Prior researches on coverage path planning for mobile robots tend to fall into two complementary categories:...
In this paper the authors study the Traveling Salesman Problem for the Dubins vehicle (DTSP). A genetic algorithm is designed to find the shortest path for DTSP and the performance is evaluated in numerical study. The proposed algorithm can perform better than the well-known Alternating Algorithm and Random Headings Algorithm, in both low waypoint density and high waypoint density situations.
A skyhook control policy was selected and analyzed based on the character of Magneto-Rheological Fluids (MRF) Dampers, while the skyhook control model was established. A half roll plane vehicle model with 4DOF was simulation analyzed for the control strategy. The control method was investigated in two aspects including the vehicle ride comfort and handling stability through three basic input signals...
The paper brings up a new container port logistics system aiming at the shortages of existing container port logistics system, expounds the components of the new system and designs structure of its new quayside container crane, stereoscopic warehouse, new container port transporters along with its typical handling technological mode, analyzes the high-efficiency and scientificalness of the new system...
Pick-up and set-out trains refer to these trains marshaled in technological station, serving for vehicles flow in the district, whose pick-up and set-out operations are done in intermediate stations in the district. Running of limiting speed pick-up and set-out trains has an impair on railway transport capacity and research on railway transport capacity loss mechanism for limiting speed pick-up and...
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