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Contemporary Information Technology and Mathematics (ICCITM), international conference on

作者： Sanar Mazin Younis Ahmed Yacoub Yousif Ministry of Education Baghdad Iraq University of Technology Baghdad Iraq

ISBN: (纸本)9781665420334

A Binary Integer Linear Programing (BILP) model was used to find the Fuzzy Critical Path (FCP) of a fuzzy project network, when the lengths of all activities are represented as Octagonal Fuzzy Numbers (OFN). Although there are many methods to solve the fuzzy network problems, this paper presents the simplest method for the purpose of estimating the CP, especially, when every path activity is expressed by an OFN in the fuzzy network problems. the OFN of each activity converted to the crisp one using a modified ranking approach. A numerical example of a fuzzy network problem is given to illustrated the steps of the method were the OFN of each activity represented the time needed to complete implementation of that activity. the same example is solved by using CP Method (CPM). this is considered to be one of the leading standard methods of solving such problems. this paper presents a comparison of results of the two methods.

关键词： Linear programming Mathematics Information technology Standards

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Resource Allocation for 5G URLLC in Cooperative Industrial Networks

Resource Allocation for 5G URLLC in Cooperative Industrial N...

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international conference on Computer and Communications (ICCC)

作者： Pingchao Wang Hua Zhang Jun-Bo Wang Southeast University Nanjing P.R. China

ISBN: (纸本)9781665409513

Ultra-reliable and low-latency (URLLC) communication has attracted much attention because of the difficulties in meeting the requirement of extremely high reliability and low latency simultaneously. To reduce latency, short packet transmission is taken into consideration. In this paper, the resource allocation problem for 5G URLLC in cooperative industrial networks is first investigated under short packet transmission. the resource allocation problem is formulated as an integer programming problem with the objective of minimizing the average error probability of the system, while guaranteeing the latency constraint. To solve the challenging problem, a joint optimal relay assignment and blocklength allocation (JRABA) algorithm is proposed, which alternately optimizes the relay assignment and blocklength allocation subproblems. Simulation results validate the effectiveness of the JRABA algorithm that supports the reliable transmission in low latency network by revealing the impact of various system parameters on the average error probability.

关键词： Integer programming Error probability 5G mobile communication Computer network reliability Simulation Ultra reliable low latency communication Resource management

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A Segment List Selection Algorithm Based on Delay in Segment Routing

A Segment List Selection Algorithm Based on Delay in Segment...

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international conference on Computer and Communications (ICCC)

作者： Lirong Lai Mingwei Cui Fan Yang State Key Laboratory of Networking and Switching Technology Beijing China Beijing University of Posts and Telecommunications Beijing China Purple Mountain Laboratories Nanjing China

ISBN: (纸本)9781665409513

Segment Routing is increasingly being used in net- work traffic scheduling, while the number of delay-sensitive services in the network is increasing. However, calculating a segment list based on bandwidth alone is not good enough for scheduling experiment-sensitive services. In this paper, we calculate a segment list with delay guarantee effect in two steps. In the first step, an auxiliary graph is constructed by extracting some of the nodes in the network to reduce the network topology complexity, and in the second step, the segment list is calculated by Bellman–Ford algorithm based on the auxiliary graph and the link weights derived from the delay algorithm. We also construct a test environment based on programming Protocol-independent Packet Processors (P4) to verify that the segment list generation algorithm proposed in this paper can optimize the delay of traffic.

关键词： Weight measurement Program processors Network topology Bandwidth programming Routing Delays

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Optimal composition of alternative energy sources to minimize power losses and maximize profits in distribution power network 7

Optimal composition of alternative energy sources to minimiz...

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7th IEEE international conference on Energy Smart Systems (IEEE ESS)

作者： Diahovchenko, Illia Viacheslav, Zalotov Sumy State Univ Elect Power Engn Dept Sumy Ukraine

ISBN: (纸本)9781728197876

Electrical power systems are transforming from the traditional centralized bulk systems, to more decentralized systems, with distributed generation installed close to demand consumption. Since several alternative energy technologies have become commercially available, distributed generators are often of a renewable nature. this paper proposes a two-stage approach to determine optimal alternative electricity generation mix. An optimal composition and capacities of generation units of different types are determined by means of the simplex method. Alongside with that, the problems of power losses minimization and voltage stability of distribution networks are also addressed. A backward-forward sweep method is applied for optimal sizing and placement of distributed energy resources. the IEEE 33-bus test system is employed to demonstrate the effectiveness of the proposed approach.

关键词： distributed generation placement radial distribution system linear programming simplex-method backward-forward sweep method renewable energy sources wind energy photovoltaic systems biomass biofuel power microturbines power system modeling alternative energy sources

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programming the CLEARSY Safety Platform with B 7th

Programming the CLEARSY Safety Platform with B

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7th international conference on Rigorous State-Based Methods (ABZ)

作者： Lecomte, thierry ClearSy 320 Ave Archimede Aix En Provence France

ISBN: (纸本)9783030480769;9783030480776

the CLEARSY Safety Platform (CSSP) is aimed at easing the development and the deployment of safety critical applications, up to the safety integrity level 4 (SIL4). It relies on the smart integration of the B formal method, redundant code generation and compilation, and a hardware platform that ensures a safe execution of the software. this paper exposes the programming model of the CSSP used to develop control & command applications based on digital I/Os.

关键词： B method Safety critical programming model

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A Unified programming Model over Heterogeneous Data Planes

A Unified Programming Model over Heterogeneous Data Planes

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international conference on Computer and Communications (ICCC)

作者： Xianhai Li Zhou Shi Jiangyu Pan Ye Tian School of Computer Science and Technology University of Science and Technology of China Hefei China

ISBN: (纸本)9781665409513

Software Defined Networking (SDN) separates the data plane and the control plane in the traditional network, and the data plane communicates with the control plane through standard protocols. With the development of SDN, there are many southbound communication protocols in academia, such as OpenFlow, Protocol Oblivious Forwarding (POF), programming protocol-independent packet processors (P4). the design ideas and implementation of these protocols are very different. therefore, many controllers provide some high-level Application programming Interfaces (API) supporting different protocols to shield the complexity of the protocol and facilitate the writing of network strategies, but none of them can support different southbound protocols at the runtime. that is, the controller can’t support a variety of different protocols while the data plane has kinds of switches. For example, Open Network Operating System (ONOS) supports P4 and OpenFlow, but it can only support a specific data plane at the runtime, so it cannot combine the strengths and advantages of different types of programmable switches. this paper proposes a unified programming model that can support both the P4 and POF protocols at the runtime so that network users can combine the high performance of the P4 and the flexibility of the POF. We also provide kinds of API to facilitate the writing of network strategies. In certain application scenarios, the losing of data packets caused by updating the data plane pipeline can be effectively eliminated with the programming model.

关键词： Optical fibers Protocols Runtime Computational modeling Pipelines programming Writing

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Immune-Commensal-Evolutionary programming for solving non-smooth/non-convex economic dispatch problem

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ENERGY REPORTS 2020年 6卷 266-275页

作者： Mansor, Mohd Helmi Musirin, Ismail Othman, Muhammad Murtadha Zamani, Mohamad Khairuzzaman Mohamad Shaaya, Sharifah Azwa Jelani, Shahrizal Univ Tenaga Nas Coll Engn Dept Elect & Elect Engn Kajang 43000 Selangor Malaysia Univ Teknol MARA Fac Elect Engn Shah Alam 40450 Selangor Malaysia UCSI Univ Fac Engn Technol & Built Environm Kuala Lumpur 56000 Malaysia

this paper presents the development of a new hybrid optimization technique termed as Immune-Commensal-Evolutionary programming (ICEP) and its implementation to solve non-smooth/ non-convex Economic Dispatch (ED) problem. ICEP is developed with the objective to overcome the drawbacks of single optimization techniques like evolutionary programming (EP), Artificial Immune System (AIS) and Symbiotic Organisms Search (SOS). the idea of developing this ICEP technique is to gather the strengths from the three single optimization techniques: EP, AIS and SOS to form a new hybrid technique that can solve non-smooth/non-convex ED problem accurately. this hybrid technique has better performance in finding the global optima of non-smooth/non-convex ED problem compared to the single optimization techniques. the typical drawback of the single optimization techniques is immature convergence, especially EP and AIS techniques. ICEP can avoid this from happening by thoroughly directing the searching process to its global optima. the proposed ICEP technique has been tested on the IEEE 30-Bus Reliability Test System (RTS) and IEEE 57-Bus Reliability Test System (RTS) with three case studies. It is found that ICEP is superior than EP and AIS in producing better non-smooth/non-convex ED solution. (C) 2020 theAuthor(s). Published by Elsevier Ltd.

关键词： Economic dispatch Evolutionary programming Artificial immune system Symbiotic organism search Valve-point loading effect Non-smooth Non-convex

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A dial-a-ride problem with driver preferences

A dial-a-ride problem with driver preferences

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international conference on Optimization and Applications (ICOA)

作者： Sana Ouasaid Mohammed Saddoune LIM Laboratory Hassan II University Casablanca Morocco

ISBN: (纸本)9781665431156

the dial-a-ride problem (DARP) is an NP-Hard problem related to transportation on demand, that consists in a set of requests for pick-up and delivery from passengers that need to be served by a limited set of available vehicles. In this paper, We study a static version of DARP with a time window. the goal is to determine an optimized route for taxis in order to serve passengers. Using an objective function that imposes penalties to assess the preferences of passengers, taking into account the driver's preferences to reach a specific destination at a specific time. For our tests, we generated instances derived from standard DARP instances. A solution approach based on the ILS algorithm is presented and applied to solve these instances.

关键词： NP-hard problem Perturbation methods Life estimation Search problems Linear programming Vehicle dynamics Standards

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the Repetitive Controller Design for Inhibiting the Torque Ripple of PMSM 7

The Repetitive Controller Design for Inhibiting the Torque R...

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7th international conference on Information Science and Control Engineering, ICISCE 2020

作者： Dou, Bowen He, Rufei Wang, Zhiqiang Li, Qing Chen, Chuangjia Dong, Junjie Peng, Qian Yu, Tao Huang, Yeda Shenzhen Energy Storage Power Generation Co. LTD. Shenzhen518172 China CSG Power Generation Co. LTD. Guangzhou510630 China

ISBN: (纸本)9781728164069

the permanent magnet synchronous motor will produce the periodic pulsation due to the cogging torque, flux harmonic and current measurement error, which will produce torque oscillation and speed fluctuation and will at last prevent the motor from running smoothly. Based on the advantage that the repetitive control is not affected by model uncertainty during operation, the dynamic programming theory and the iterative strategy have been combined to design the optimal controller, by which the real-time tracking performance of permanent magnet synchronous motor has been optimized to reduce the periodic torque ripple. At the same time, the repeated control is combined with the existing proportional integral (PI) current controller, and the compensation reference current is generated iteratively between each cycle to minimize the mean square torque error, which meets the requirements of steady-state speed and regulating system dynamic performance. the feasibility of the proposed method is verified by the specific motor tests. © 2020 IEEE.

关键词： Dynamic programming

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Flexible Joint Manipulator Control Based on Adaptive Dynamic programming 7

Flexible Joint Manipulator Control Based on Adaptive Dynamic...

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7th international conference on Information, Cybernetics, and Computational Social Systems, ICCSS 2020

作者： Gao, Aiguo Zhou, Tianmin Li, Tao Liu, Yujia Song, Ruizhuo Wei, Qinglai North China Electric Power Research Institute Co. Ltd Bejing China Chinese Academy of Sciences Institute of Automation Bejing China University of Science and Technology Beijing School of Automation and Electrical Engineering Bejing China

ISBN: (纸本)9781728162461

the authors present an adaptive dynamic programming-based (ADP-based) scheme to solve the tracking control problems of flexible joint manipulator, which can be transformed to solve the Hamilton-Jacobi-Bellman (HJB) equation. For the nominal error system, a critic neural network is established to approximate the value function and an online learning algorithm is proposed to update the weight of the critic neural network. the weight update of the critic neural network occurs at the same time as the system is running. the dynamics of the weight estimation error and the tracking error are proven to be uniformly ultimately bounded via Lyapunov method. Finally, a numerical example is given to illustrate the performance of the present method. © 2020 IEEE.

关键词： Adaptive control systems

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