In the future, tactical edge is far away from command center, resources of communication and computing are limited, battlefield situation changing rapidly, which leads to weak connection fast changes network topology in a harsh complex environment. Thus, meet needs build new generation architecture for real‐time sharing service collaboration win future war, dispersed (DCOMP) seeks solution satisfy requirements efficient sensing, transmission, integrating, scheduling, processing various...

The transfer matrix method for multibody systems is a new with very high computational speed developed in recent 20 years studying system dynamics. By combining systems, computer graphics, and open-source software, this article puts forward an approach software MSTMMSim visualized simulation design of mechanical includes the following procedures sequence: functional model, three-dimensional solid dynamics automated formation equations, proposed provide platform to realize complex...

Abstract As military reforms continue to develop, the battlefield environment is becoming increasingly complex, and traditional single-service combat methods have evolved into integrated joint collaborative information operations that break down service boundaries on land, sea, air. The level of weapon system confrontation has also a system-to-system confrontation. Traditional document-based architecture design can no longer address complexity emergent challenges construction. In this paper,...

In this paper, we use tracked vehicles as an example to study complex systems and surrogate model building method. Due the high cost long development cycle associated with traditional approach, involving static design experimental verification, there is urgent need explore effective dynamic optimization method enhance vibration reduction performance. This paper introduces a methodology for constructing of equipment surrogate, aimed at streamlining subsequent parameter processes. The dynamics...

With the development of science, technology, society and requirement quality professional talents, need for innovative entrepreneurial talent is growing. In order to improve ability innovation entrepreneurship, this paper studies theoretical practical experience college students' entrepreneurship analyzes current situation education in China. According practice Nanjing University Posts Telecommunications recent years, article introduces construction system related teaching methods. At end...

At present, the commonly used algorithm for detecting circles cannot be directly applied in detection of concentric circles, there are few researches on special multi - circle problems such as circles. In this paper, color transformed into gray scale images without space conversion. The minimum envelopment is adopted to locate target area quickly and accurately. Then, combined with least square ellipse fitting method, each detected position center marked. Finally, experiment proves that...

The complex mechanical systems such as high-speed trains, multiple launch rocket system, self-propelled artillery, and industrial robots are becoming increasingly larger in scale more complicated structure. Designing these products often requires model design, multibody system dynamics calculation, analysis of large amounts data repeatedly. In recent 20 years, the transfer matrix method has been widely applied engineering fields welcomed at home abroad for following features: without global...

A novel model using the transfer matrix method for multibody system (TMMMS) is put forward to describe dynamic characteristics of a cantilever beam that has concentrated mass at its tip under axial excitations.The theoretical analysis and numerical results demonstrate this some advantages, such as small higher computational speed.Based on control system, which composed LQG controller, piezoelectric actuator, sensor proposed, theoretically analyzed, experimentally verified.The experimental...

The modeling and solving a transcendental eigenvalue problem are important issues in the transfer matrix method for linear multibody systems. Based on recursive search algorithm system, distributed parallel approach assembling overall searching eigenvalues is proposed. This achieved based Message Parallel Interface. influence of CPU core number as well network environment final computational time analyzed through numerical examples both non-uniform beam multiple launch rocket system. results...

The missile launching system is a typical complex mechanical system, which becoming increasingly larger in scale and more complicated structure. Designing these types of products often requires repeated time-consuming model design, calculation, analysis the dynamics system. most repeatedly modifying geometric models. In this article, we put forward new method for bidirectional-driving parameter between CAD CAE, by changing parameters, directly changes model. A parameterized multibody...

With the development of information technology, intelligence has attracted more and attention. This paper takes workshop gear ring car as research object, optimizes facility layout logistics system based on virtual real fusion smart manufacturing technology. By using eM-Plant simulation software to simulate workshop, which can analyze bottlenecks in optimize efficiency reduce energy consumption. According optimization results complete mapping physical workshop.

In order to accurately model the hysteresis and dynamic characteristics of piezoelectric stack actuators (PSAs), consider that a linear force will be generated by wafers under voltage applied PSA, total suffering from creep result in forced vibration two-degree-of-freedom mass-spring-damper system composed equivalent mass, stiffness, damping bonding layers. A modified comprehensive for PSAs is put forward using function, an asymmetrical Bouc-Wen operator, function force, characteristics,...

The hysteresis characteristics resulted from piezoelectric actuators (PAs) and the residual vibration in rapid positioning of a two-dimensional piezo-driven micro-displacement scanning platform (2D-PDMDSP) will greatly affect accuracy speed. In this paper, order to improve speed restrain 2D-PDMDSP, firstly, Utilizing an online observer based on asymmetrical Bouc-Wen model, PA with is feedforward linearized can be used as linear actuator; secondly, zero derivative shaping (ZVDS) technique...

The land and space resources are very tight in this world today, order to save storage improve the efficiency of enterprise, paper designs an electric-intensive mobile rack system.This system uses MCU as controller, integrates multiple security protection safety system, while comprehensive control software ensures stability system.The practice shows that can greatly reduce cargo access.

Objective To design an assembly system of complex equipment based on the integration virtual and real engineering human factors by improving comfort operators, operation maintenance technology, reducing time, efficiency equipment. Methods This paper comprehensively considers in process, combines fusion technology to construct a simulation system, through in-depth study motion capture, physiological acquisition, sequence planning, ergonomic analysis other technologies Results Break...

Intelligent video surveillance systems can be used to detect abnormal occurrences in the home environment such as falls or assaults. However, traditional rely on complete and clear data behaviour recognition tasks, they therefore cannot successfully fulfill requirements of visual privacy protection. The involves considerable privacy-sensitive information. If this information is stolen misused by others, it could seriously threaten personal privacy. To solve problem, a bionic coding model bee...

This study focuses on the role of proficiency constraints in problem single-shift personnel scheduling complex equipment manufacturing workshops. Differences task operations require that each can only be assigned to a few specific workers, which is set optional for task. does not consist entire team but subset it. Each requires corresponding number workers arranged processing; optimization goal ensure completed as soon possible, is, minimizing makespan. Different jobs from available...