Fuzzy Comprehensive Assessment of Smart Grid Maturity

2014 ◽  
Vol 960-961 ◽  
pp. 803-807
Author(s):  
Ming Dong Wang ◽  
Wen Xia Su ◽  
Bin Kong
Keyword(s):  
Smart Grid ◽  
Development Stage ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Assessment Methods ◽  
Assessment System ◽  
Weak Links ◽  
Maturity Model ◽  
Fuzzy Comprehensive Assessment ◽  
The Poor

Smart grid must be evaluated correctly so that its development stage is determined and weak links, restrict factors in development are found. Based on it, the path from the stage to the next stage is planned for power enterprises. In view of the poor accuracy of conventional assessment methods, caused by subjective factors and uncertainty, the fuzzy comprehensive assessment method is applied to assess smart grid. Firstly, a smart grid assessment system is founded based of IBM’s smart grid maturity model, and then method and procedure of fuzzy comprehensive assessment method are introduced. The study on an example shows that this approach is effective and feasible.

Study on Prediction and Assessment Methods of Outdoor Wind Environment of Residential District - Taking “Letian Home” in Leshan, Sichuan for Example

2011 ◽  
Vol 71-78 ◽  
pp. 3868-3873
Author(s):  
Li Jin Ma ◽  
Hong Juan Zou ◽  
Jia Shun Zhu
Keyword(s):  
Fluid Mechanics ◽  
Composite Index ◽  
Assessment Method ◽  
Assessment Methods ◽  
Assessment System ◽  
Outdoor Environment ◽  
Computational Fluid Mechanics ◽  
Analog Computation ◽  
Wind Environment ◽  
Residential District

According to the micro-climate environment outdoor of the region, wind environment outdoor which is under planning programming can be done analog computation using computational fluid mechanics PHOENICS software. A set of comprehensive prediction and assessment system which is mainly focused on outdoor environment composite index WBGT can be established combining with assessment method on wind environment outdoor of predecessors in order to more accurately and humanly predict and assess the wind environment outdoor, bring safe, comfortable and healthy outdoor environment and provide references for the assessment and design of green residential district.

Research on a Nonlinear Fuzzy Comprehensive Assessment Method for Oil & Gas Pipeline Failure Based on Fault Tree Analysis

2012 ◽  
Vol 187 ◽  
pp. 304-310
Author(s):  
Xue Wu ◽  
Ci Yuan Xiao ◽  
Xue Yan Xu
Keyword(s):  
Fault Tree ◽  
Fault Tree Analysis ◽  
Engineering Application ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Gas Pipeline ◽  
Combination Method ◽  
Fuzzy Comprehensive Assessment ◽  
Tree Analysis ◽  
Pipeline Failure

The combination method of fault tree analysis and nonlinear fuzzy comprehensive assessment method was proposed to make research of oil & gas pipeline failure .The common factors influencing oil & gas pipeline failure could be determined with fault tree analysis .However , the practical operated oil & gas pipeline often have some individual factors and fuzzy ones .Nonlinear fuzzy comprehensive assessment method could evaluate objectively based on evaluated factors sets and weight sets provided by fault tree analysis .The new model steps were listed by taking the example of oil & gas pipeline failure .The result indicates that the method is more reasonable and easier for engineering application , and the evaluation result is more with the objective reality.

Determination of Occurrence Grades for Factors Affecting Congelation Failure on Basis of Fuzzy Comprehensive Assessment Method

2013 ◽  
Vol 753-755 ◽  
pp. 2916-2919
Author(s):  
Yang Wang ◽  
Qing Lin Cheng ◽  
Xian Li Li ◽  
Xi Yi
Keyword(s):  
Assessment Method ◽  
Comprehensive Assessment ◽  
Scientific Management ◽  
Pipeline Transportation ◽  
Fuzzy Comprehensive Assessment ◽  
Factors Affecting ◽  
Oil Pipeline ◽  
Improvement Measures ◽  
Financial Losses

Pipeline transportation is the most important transport mode for crude oil. When oil pipeline operates at low throughput or shutdown, congelation accident always happen as the temperature of oil in pipeline drops, which causes malignant accidents and significant financial losses. Study of the various factors affecting congelation failure is necessary. According to the statistics and analysis of congelation accident, direct and indirect reasons of affecting pipeline congelation failure were determined. Combining with fuzzy comprehensive assessment method, the related importance of factors on congelation accident was studied, and the grade of factors affecting failure congelation of pipeline was also identified. Aiming at the factors, some improvement measures were put forward. These can provide evidences for accident treatment, planned maintenance, security operation and scientific management.

A Fuzzy Comprehensive Assessment System for Agricultural Soil Pollution Based on GIS

2011 ◽  
Vol 356-360 ◽  
pp. 1618-1621
Author(s):  
Zhi Wen Zou ◽  
Li Qiang Zhang ◽  
Ji Ming Chen
Keyword(s):  
Soil Pollution ◽  
Agricultural Soil ◽  
Pollution Prevention ◽  
Comprehensive Assessment ◽  
Assessment System ◽  
Management Decision ◽  
Effective Management ◽  
Dynamic Changes ◽  
Fuzzy Comprehensive Assessment ◽  
Fully Integrated

Aiming at the necessary of the research about agricultural soil pollution, fully integrated real monitoring results of agricultural soil pollution, combined with the theory of fuzzy mathematical analysis and geographic information systems technology, the main purpose of the fuzzy comprehensive assessment system is to reveal the formation, dynamic changes of agricultural soil pollution and the movement of pollution, providing effective management decision for agricultural soil pollution prevention and planning management.

scholarly journals Study on Health Assessment Method of a Braking System of a Mine Hoist

Sensors ◽  
2019 ◽  
Vol 19 (4) ◽  
pp. 769 ◽  
Author(s):  
Juanjuan Li ◽  
Guoying Meng ◽  
Guangming Xie ◽  
Aiming Wang ◽  
Jun Ding ◽  
...  
Keyword(s):  
Neural Network ◽  
Health Management ◽  
Back Propagation ◽  
Health Assessment ◽  
Assessment Method ◽  
Health Condition ◽  
Comprehensive Assessment ◽  
Fuzzy Comprehensive Assessment ◽  
Braking System ◽  
Mine Hoist

This paper presents a method for calculating the health degree (HD) of a braking system of a mine hoist combined with three-level fuzzy comprehensive assessment (TLFCA) and a back-propagation neural network (BPNN). Firstly, the monitored values of a sensor are fused by multi-time fusion and the fuzzy comprehensive assessment values (FCAVs) of the health condition (HC) of the sensor are obtained. Secondly, the FCAVs of all sensors in a subsystem are fused by multi-sensor fusion, and FCAVs of the subsystem are obtained. Then the FCAVs of all subsystems are fused by multi-subsystem fusion and FCAVs of the system are obtained. All the FCAVs are fed into a pre-trained neural network, and the corresponding HD of the sensor, subsystem and system is obtained. Finally, the practicability, reliability and sensitivity of the proposed method are verified by the monitored values of the test rig. This paper presents a method to provide technical support for intelligent maintenance, and also provides necessary data for further prognostics health management (PHM) of the braking system. The method presented in this paper can also be used as a reference for the HD calculation of the whole hoist and other complicated equipment.

Application of Fuzzy Comprehensive Assessment Method to Result Assessment of Basketball Professional Courses in Physical Academies

2013 ◽  
Vol 718-720 ◽  
pp. 507-511
Author(s):  
Gao Zhi
Keyword(s):  
International Development ◽  
Alternative Assessment ◽  
Dynamic Assessment ◽  
Educational Assessment ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Qualitative Assessment ◽  
Fuzzy Comprehensive Assessment ◽  
Assessment Index ◽  
Scientific Practical

The paper discusses and researches the assessment method of graduation results for basketball elective course in Wuhan Institute of Physical Education preliminarily, by literatures and questionnaires. It is shown from the research results that the comprehensive assessment method based on fuzzy mathematical theory reflects the wide practicality and adaptability in the assessment of elective results in physical academies. The educational assessment of physical colleges is conducted under a special circumstance. Over the last decade, lots of new ideas, new concepts, new models, and new methods of foreign education assessment have appeared, such as: alternative assessment, implementation assessment, and dynamic assessment. Some are more mature with feasibility and application value, some methods are cumbersome, lack of feasibility and universal. The paper pays the full attentions and makes calm analysis for the domestic and international development trends in the assessment, based on the scientific, practical, and innovative way. The discussed fuzzy comprehensive assessment method is a method that applies the fuzzy mathematics to educational assessment filed, which highlights the systematization of assessment index of students. It emphasizes the combination of qualitative assessment and quantitative assessment for a comprehensive, objective, and fair assessment of students' development, to describe the condition and progress of students more clearly and accurately.

Sign in / Sign up

Export Citation Format

Share Document