Fuzzy Comprehensive Assessment on Environmental Impact of Petroleum Project

2013 ◽  
Vol 295-298 ◽  
pp. 734-737 ◽  
Author(s):  
Cui Juan Gao ◽  
Da Peng Li
Keyword(s):  
Environmental Impact ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Evaluation Index System ◽  
Assessment Model ◽  
Impact Factors ◽  
Fuzzy Comprehensive Assessment ◽  
State Response ◽  
Hierarchy Process ◽  
Factor Set

The fuzzy comprehensive assessment method has proven effective in increasing the understanding of complex systems, including environmental systems. A fuzzy comprehensive assessment model of environmental impact of petroleum project is presented. The model utilizes factor set to represent environmental impact factors and evaluation set to environmental impact level. And it constructs the evaluation index system based on "pressure-state-response" model, and selects advantage indicators using the analysis hierarchy process, and determines the grading standard of environmental impact level. The results produced by this model reveal the degree of environmental impact caused by petroleum project.

Comprehensive Assessment Method for Pile Construction Quality Based on Analytic Hierarchy Process

2013 ◽  
Vol 838-841 ◽  
pp. 245-249
Author(s):  
Yong Chun Cheng ◽  
Hong Bin Guo ◽  
Xian Qiang Wang ◽  
Yu Bo Jiao
Keyword(s):  
Analytic Hierarchy Process ◽  
Quality Assessment ◽  
Evaluation Method ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Assessment Model ◽  
Geological Condition ◽  
Construction Quality ◽  
Analytic Hierarchy ◽  
Hierarchy Process

In this paper, a new comprehensive assessment method of pile construction quality based on analytic hierarchy process is proposed considering that the current specification is uncertain about quality assessment. This method establishes the comprehensive assessment index system of pile construction quality taking account of the influence of the pile velocity, pile length, geological condition, bridge importance level, pile defects and other parameters on pile construction quality assessment. It constructs pile construction quality assessment model through determining the weight of each index based on analytic hierarchy process to improve the evaluation method of pile construction quality. The good results achieved in practical engineering demonstrate that the proposed method possesses favorable accuracy.

Health Condition Assessment of Gas Turbine Generator on Offshore Platform

2017 ◽  
Author(s):  
Yunpeng Cao ◽  
Minghao Wu ◽  
Qingcai Yang ◽  
Shuying Li ◽  
Dongyang Yan ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Quantitative Assessment ◽  
Health Assessment ◽  
Health Condition ◽  
Comprehensive Assessment ◽  
Assessment Model ◽  
Turbine Generator ◽  
Fuzzy Comprehensive Assessment ◽  
Criticality Analysis ◽  
Hierarchy Process

Based on the function level of a gas turbine generator, this paper presents a method for the quantitative assessment of the health condition of a gas turbine generator by using fuzzy comprehensive assessment (Fuzzy) and an analysis hierarchy process (AHP). First, the failure mode, effects and criticality analysis method (FMECA) is used to construct the assessment framework and obtain the indicator set for the health assessment. The membership degree of each indicator is realized by using triangular and trapezoidal membership functions. Second, the fuzzy comprehensive assessment model with analysis hierarchy process (Fuzzy-AHP) is established to implement the quantitative assessment of the health condition of the gas turbine generator, and the man-made influence on the weight assignment is decreased. Finally, an example of a three-shaft gas turbine generator health assessment is provided to validate and prove that the method is effective and feasible.

scholarly journals Synthetic evaluation of integrated energy system based on AHP- fuzzy comprehensive assessment method

2020 ◽  
Vol 185 ◽  
pp. 01010
Author(s):  
Xiao Lu ◽  
Jiajia Wu ◽  
Wei Hu ◽  
Changyun Chi ◽  
Xuedong Jiang ◽  
...  
Keyword(s):  
Energy System ◽  
Assessment Method ◽  
Comprehensive Assessment ◽  
Three Dimensions ◽  
Literature Study ◽  
Analytic Hierarchy ◽  
Fuzzy Comprehensive Assessment ◽  
Integrated Energy System ◽  
Hierarchy Process ◽  
Energy Reform

Integrated energy system (IES) is an essential ingredient of energy reform. The construction of IES can promote the coupling utilization of multiple energy sources, and improve the reliability and flexibility of energy system. Based on amounts of literature study and experts’ recommendations, 9 first- class indexes, 13 second-class indexes and 11 third-class indexes are confirmed to assess the integrated energy system from three dimensions of technology, economy, and environmental protection. Analytic Hierarchy Process (AHP) and fuzzy comprehensive assessment method are adopted to assess the overall quality of chosen integrated energy system. An industrial park is chosen to be an example and examine the evaluation condition of IES.

scholarly journals Durability Assessment of Lightweight Cellular Concrete in Subgrade by the Method of Analytic Hierarchy Process Combined with Fuzzy Comprehensive Evaluation

2019 ◽  
Vol 2019 ◽  
pp. 1-10
Author(s):  
Xin Liu ◽  
Chengwei Ni ◽  
Liye Zhang ◽  
Ke Sheng ◽  
Baoning Hong
Keyword(s):  
Analytic Hierarchy Process ◽  
Influencing Factors ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Assessment Method ◽  
Assessment Model ◽  
Analytic Hierarchy ◽  
Durability Assessment ◽  
Hierarchy Process ◽  
Cellular Concrete

The durability of lightweight cellular concrete (LCC) and the corresponding assessment method are studied in this paper to improve the utilization of LCC in subgrade construction engineering. The durability assessment method is established by combining the analytic hierarchy process (AHP) with fuzzy comprehensive evaluation (FCE). The main assessment processes are as follows. Firstly, based on the physical and mechanical properties of LCC, the influencing factors are selected in terms of preliminary design, construction technology, and operation and management after completion of construction. The grading standard of influencing factors is established as well. Secondly, a multilevel assessment model with targets level, criteria level, and indexes level is established. AHP determines the effective weight of the lower level relative to the upper level. The consistency check of the judgment matrix is conducted to prove the rationality of the distribution of influencing factors’ effect weight. Thirdly, the membership function which is suitable for each influencing factor is built to calculate the membership degree. Besides, the practicality and reliability of AHP combined with FCE are demonstrated through a practical engineering case, which is the third section of a highway in Guangdong Province, China.

Fuzzy Comprehensive Assessment Model of Moderate Development of Port Throughput

ICLEM 2010 ◽  
2010 ◽  
Author(s):  
Jinsong Gui ◽  
Junling Yu ◽  
Bingqing Meng ◽  
Nuo Wang ◽  
Shengde Li
Keyword(s):  
Comprehensive Assessment ◽  
Assessment Model ◽  
Fuzzy Comprehensive Assessment ◽  
Port Throughput

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.

Sign in / Sign up

Export Citation Format

Share Document