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Biomimetic robotic fish has potential applications in underwater tasks. To control its swimming, Center Pattern Generator (CPG) models are widely used in its locomotion controllers. The CPG model can generate multiple swimming patterns with the same CPG network. However, there are many parameters to be tuned in a CPG model. In this paper, a parameter optimization method based on particle swarm optimization...
Dredging simulation is of great significance to the development of dredging engineering technology of harbor, waterway, rivers, lakes, etc. The design and implement of the dredging simulation system are introduced. The modeling and key techniques for the virtual reality of construction site, the movement of dredge vessel, the soil cutting of cutter, and the hydraulic transport of sand in a pipeline,...
With the increasing complexity of the project, how to coordinate the interests of project stakeholders has become a practical problem urgent to be solved, fair and reasonable interests coordination mechanism plays an important role for the success of the project. Therefore, the project's risk-sharing and benefit distribution among stakeholders is studied in this article, and we hope it could provide...
This study applies Visual basic 6.0 object-oriented programming thoughts to design and develop water resources proof decision support system for construction projects. According to design of users, Human-Computer Interface, sub-system of database and sub-system of model base, it fulfills informationized management to groundwater, surface water, and abstraction and return waters of construction projects...
This paper analyzed the method of calculating work resistance and consumed power in hydraulic system in a work cycle of loader, established mathematical model of work resistance, and selected the CYC_TEST_10sec as a work cycle. Based on the simulation software of power performance and fuel economy of loader, we designed the interface mode between simulation software and optimization algorithm. To...
According to a new horizontal moving mechanism called `Side-Wheel Operating Simultaneously', the moving process of the high-speed & high acceleration stacker for starting and accelerating was simulated and analyzed with multi-body system method. The result showed that the stacker is able to accelerate stably and fast with the designed maximum acceleration and speed.
In order to minimize the redundancy capacity and functionality of machine, a configuration design method for configuration path of RMT in the early stage of configuration design is proposed, which is designed for changing requires scenario. By evaluating the configuration economics and reconfigurability over the lifetime of RMT, the method ensures that each configuration on the configuration path...
This paper introduces the concept of the supply chain financing model based on the accounts receivable, and puts forth a mathematical model about the calculation of loan limit, loan term, pledge rate, and loan rate. The model is mainly influenced by three factors: the type of the accounts receivable, the core enterprise's credit and the core enterprise's operation condition. This article analyzes...
How to appraise the contribution rate of the human capital and science and technology advancement to economic growth, most of researchers have used new growth theory at present. But in this paper, there is the formidable problem no matter in theory or on the method. Takes Korea as an example, this paper approaches the contribution rate of the human capital and science and technology advancement to...
Rationalization of the Production logistics system can reduce logistics costs and lower product costs. In current, experience and analogy-based approach is still the main way enterprise planning scheme for logistics system. Petri net is an important tool for discrete event system analysis. Papers proposed method which modelling and simulation of plant logistics system based on timed colored Petri...
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