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This paper focuses on the consensus problem for second-order multi-agent systems with impulsive algorithm and communication time-delays. By introducing a state transformation, the consensus of the system is translated into the asymptotical stability of a reduced-order discrete-time system. Based on the properties of Laplacian matrix of graphs and a given invertible matrix, necessary and sufficient...
Basing on the present situation and exiting problems, and considering the basic characteristics such as independence, seasonality and regionalism of agricultural logistics in China, this paper set up an evaluation index system, and then construct a multi-attribute comprehensive decision model on Third-Part Logistics (TPL) provider of agricultural products. Finally, with the application of Super Decisions...
This paper studies the consensus problem of second-order multi-agent system with communication delay under fixed topology. First, by the iterative product method, the continuous-time multi-agent system is equivalently transformed into a linear discrete-time system. Then, by algebraic graph theory and matrix theory, we analyze the convergence of the system matrix. Finally, an example is provided to...
Based on the theory of national culture differences, research hypothesis that there exists correlation between cultural difference and national innovation ability is put forward. We investigate managers of Chinese and German companies by questionnaire and obtain 255 effective samples. From the results of descriptive statistical analysis on questionnaire we can conclude that there exist innovation...
Complex equipment R&D has the characteristics of inter-disciplines, complicated technical interface, long cycle of development and difficult configuration management, etc. The collaborative R&D procedures for complex equipment and the characteristics of configuration management are analyzed in this essay. Such core business processes as baselines, engineering change, phase transfer audit of...
This paper investigates the robust stabilization and H∞ control for a class of discrete-time Markovian jump linear systems with norm-bounded uncertainties and time-delays both in the system state and in the mode signal. The delay in the system state is time-varying. The delay in the mode signal results in a constant mismatch between the modes of the controller and the corresponding subsystems. Then...
A knowledge transfer process model among supply chain members is proposed. The relationship between factors of influencing knowledge transfer and knowledge transfer performance is discussed with the methods of theoretical and quantitative analysis. The results show that the knowledge transfer among supply chain members can be divided into three levels, including between supply chain and external environment,...
The efficiency of inductive motor can obtain the maximum value in the rating working condition, but will decrease obviously in the light load status. A method in the efficiency optimizing of inductive motor is introduced in this paper. In the vector controlled inductive motor system, a hybrid energy saving control method is put forward. In this method, neural network, fuzzy logic and Rosenbrock searching...
Based on a loss-included dynamic model of the induction motor, a simulation model was established using Simulink Matlab software. In a vector controlled system of induction motors, a mixed energy saving control method is put forward. Combined the fuzzy logic based control with the Rosenbrock method, this method can solve the oscillation and constringency problem around the optimal point stubbornly...
In this paper, we focus on investigating the L2 gain control synthesis problem of switched systems with input time-delay. Based on some basic and important lemmas, switched state feedback controllers guaranteeing that the corresponding closed-loop system is uniformly asymptotically stable with an L2 gain smaller than gamma is established. All the results in this paper are expressed in terms of linear...
Fast movement along a predefined path is important for many robot applications, especially in cluster tool robots, requires utilization of the maximum allowable torque range. Robot running along the time-optimal path brings many benefits such as higher productivity. In this paper, moving a delicate object from an initial point to a specified location along a predefined path within the minimum time...
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