A Safety Evaluation Method of Military Aircraft Based on Projection Pursuit Method

2014 ◽  
Vol 513-517 ◽  
pp. 4547-4550
Author(s):  
Hui Zhen Li ◽  
Yu Cai Dong ◽  
Jian Du ◽  
Bao Hong Lv ◽  
Lei Gong ◽  
...  
Keyword(s):  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Projection Pursuit ◽  
Safety Evaluation ◽  
Difficult Problem ◽  
Safety Performance ◽  
Military Aircraft ◽  
Evaluation Indexes ◽  
Military Aviation ◽  
Safety Design

This paper focuses on the current development of military aircraft safety risk decision method is not enough application of projection pursuit method to calculate the weights of the evaluation indexes of a military aviation, comprehensive evaluation of different layout scheme. The available schemes were quickly ranked by their safety performance, the difficult problem with safety design of military aircrafts was primarily solved in the aeronautic project.

Comprehensive Evaluation Method for Ecotype and Safety Performance of Building

2012 ◽  
Vol 598 ◽  
pp. 176-179
Author(s):  
Fu Ren Zhang ◽  
Yun Kai Xu
Keyword(s):  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Safety Performance ◽  
Building Performance ◽  
Evaluation Indexes ◽  
Advantages And Disadvantages ◽  
Urban Buildings ◽  
Performance Indexes ◽  
Measure Model ◽  
Scientific Decision

The ecotype and safety performance of urban buildings is affected by many factors. The evaluation method of unascertained measure model has been adopted, through analyzing the traits of the evaluating method and building performance indexes. Based on analyzing and researching, a relatively integrated evaluation indexes system has been established in this paper. The advantages and disadvantages of all factors have been shown out through analysis. Through factual application, the viability and maneuverability of this method has been confirmed. At the same time, the analysis results will provide scientific decision-making for improving the ecotype and safety performance of urban buildings.

The Application of Safety Evaluation in Coal Mine Heading Face Based on Fuzzy-AHP Comprehensive Evaluation Method

2011 ◽  
Vol 304 ◽  
pp. 401-406 ◽  
Author(s):  
Lian Sheng Liu ◽  
Guang Quan Zhang ◽  
Hui Wu
Keyword(s):  
Coal Mine ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Ahp ◽  
Evaluation Model ◽  
Safety Evaluation ◽  
Coal Production ◽  
Evaluation Indexes ◽  
Comprehensive Evaluation Method ◽  
Multi Level

For the safety of coal production, established safety evaluation model of heading face in coal mine. The evaluation indexes were given by analyzing the need for safety in heading face, the evaluation model was set based on Fuzzy-AHP comprehensive evaluation method, and completed the comprehensive evaluation by using membership. The results showed that Fuzzy-AHP comprehensive evaluation was an effective method which can not only solve complexity and multi-level of the index, but also made the evaluation more accurate, which had theoretical and practical value.

Analysis of the Safety Factors of Municipal Road Undercrossing Existing Bridge Based on Fuzzy Analytic Hierarchy Process Methods

2021 ◽  
pp. 036119812110318
Author(s):  
Yonghong Yang ◽  
Yu Chen ◽  
Zude Tang
Keyword(s):  
Safety Assessment ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Safety Evaluation ◽  
Safety Factors ◽  
Analytic Hierarchy ◽  
Road Engineering ◽  
Existing Bridges ◽  
Hierarchy Process ◽  
Engineering Projects

Increasing traffic volume and insufficient road lanes often require municipal roads to be reconstructed and expanded. Where a road passes under a bridge, the reconstruction and expansion project will inevitably have an impact on the bridge. To evaluate the safety impact of road engineering projects on bridges, this paper evaluates the safety of the roads and ancillary facilities of highway bridges involved in municipal road engineering projects. Based on a comprehensive analysis of the safety factors of municipal roads undercrossing existing bridges, a fuzzy comprehensive analytic hierarchy process (AHP) evaluation method for the influence of road construction on the safety of existing bridges is proposed. First, AHP is used to select 11 evaluation factors. Second, the target layer, criterion layer, and index layer of evaluation factors are established, then a safety evaluation factor system is formed. The three-scale AHP model is used to determine the weight of assessment indexes. Third, through the fuzzy comprehensive AHP evaluation model, the fuzzy hierarchical comprehensive evaluation is carried out for the safety assessment index system. Finally, the fuzzy comprehensive evaluation method is applied to the engineering example of a municipal road undercrossing an existing expressway bridge. The comprehensive safety evaluation of the existing bridge reflects the practicability and feasibility of the method. It is expected that, with further development, the method will improve the decision-making process in bridge safety assessment systems.

scholarly journals A COMPETENCY EVALUATION METHOD OF HUMAN RESOURCES MANAGERS BASED ON MULTI-GRANULARITY LINGUISTIC VARIABLES AND VIKOR METHOD

2012 ◽  
Vol 18 (4) ◽  
pp. 696-710 ◽  
Author(s):  
Peide Liu ◽  
Xingying Wu
Keyword(s):  
Human Resources ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Indicator System ◽  
Entropy Method ◽  
Linguistic Variables ◽  
Vikor Method ◽  
Evaluation Indexes ◽  
Human Resources Managers ◽  
Competency Evaluation

According to the characteristics of human resources managers’ competency and the research of relevant literatures at home and abroad, a competency evaluation method of human resources managers based on multi-granularity linguistic variables and VIKOR method is proposed. Firstly, the evaluation indicator system based on the competency of human resources managers is constructed. Then, by converting the evaluation information of different experts in different granularity to the same granularity by two-semantics, the comprehensive evaluation values can be obtained by integrating information of different experts. Further, the objective weights of the evaluation indexes were determined by the entropy method and an evaluation method were proposed based on the VIKOR method. Finally, an application example is given to illustrate the evaluation procedures of the developed approach and to demonstrate their practicality and effectiveness.

Performance Evaluation of Telecom Equipment Maintenance Outsourcers Based on Statistical Distance with Weight

2011 ◽  
Vol 328-330 ◽  
pp. 2440-2445
Author(s):  
Yong Jie Zhou ◽  
Nan Fang Cui
Keyword(s):  
Evaluation Method ◽  
Service Providers ◽  
Comprehensive Evaluation ◽  
Service Level ◽  
Relationship Maintenance ◽  
Customer Relationship ◽  
Equipment Maintenance ◽  
Evaluation Indexes ◽  
Comprehensive Evaluation Method ◽  
Outsourcing Decision

It’s important to control telecom equipment maintenance outsourcers’ performance in outsourcing decision-making process by selecting the proper evaluation indexes. This paper sets up a new comprehensive evaluation method based on statistics distance with weight to assess outsourcer’s performance. Ten indexes are choosed to determine which are good service providers from the ability and effort degree of their work, including failure rate, failure loss, service level, maintenance price, management fee, arrive time, repair time, customer relationship, maintenance engineer and tool machine. Each index has its own expert’s weight. We classify different service grades and calculate the real distance of every maintenance outsourcer by Euclidean distance. Then the performance of each equipment maintenance outsourcer can be inspected from the calculation result. Through the application in telecom company we testify its advantages compared with other evaluation methods.

scholarly journals Evaluation of Airport Environmental Carrying Capacity: A Case Study in Guangzhou Baiyun International Airport, China

2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Lili Wan ◽  
Qiuping Peng ◽  
Tianci Zhang ◽  
Zhan Wang ◽  
Yong Tian
Keyword(s):  
Carrying Capacity ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Projection Pursuit ◽  
Indicator System ◽  
Development Mode ◽  
The Sustainable Development ◽  
International Airport ◽  
Environmental Carrying Capacity

In order to clarify the comprehensive operational capabilities of the airport and better plan the sustainable development mode of the airport, this paper studies the evaluation method of airport environmental carrying capacity. First, this paper proposes the concept of airport environmental carrying capacity by taking into account the complex characteristics of airports affected by multiple factors and then selects 16 representative evaluation indicators to construct an indicator system based on the Driving Force-Pressure-State-Response (DPSR) framework. Finally, the accelerated genetic algorithm-projection pursuit model is established to model a comprehensive evaluation index, which is used to calculate the airport environmental carrying capacity (AECC). The results of the case study show that the AECC of Guangzhou Baiyun International Airport (CAN) decreased year by year from 2008 to 2017, which is in line with the coordinated development level of CAN. By analysing the changing mechanism of AECC and indicators, we get 6 key influencing indicators that led to the continuous decline of AECC and put forward some political suggestions to improve the AECC.

scholarly journals Research on Safety Evaluation Method of Integrated Optical Storage and Charging Station

2021 ◽  
Vol 237 ◽  
pp. 02014
Author(s):  
Jing Zhang ◽  
Junguo Jia ◽  
Hui Huang ◽  
Yi Long ◽  
Taoyong Li ◽  
...  
Keyword(s):  
Evaluation System ◽  
Evaluation Method ◽  
Projection Pursuit ◽  
Safety Evaluation ◽  
Charging Station ◽  
Safety Risks ◽  
Charging Current ◽  
Charging Mode ◽  
Influence Degree ◽  
Design Factors

This paper studies the correlation between charging process performance indicators and charging safety of Solar-Energy storage-Charge station, analyses the influence of environmental factors, technical factors, design factors, management factors and user factors on charging process safety of energy stations. The projection pursuit algorithm is used to evaluate the influence degree of each parameter on the safety of charging process; through the establishment of charging safety evaluation system, the safety risks of battery damage and even fire caused by excessive charging current and high battery temperature are identified. The monitoring parameters corresponding to the charging safety state are determined. According to the different battery types adopted by different vehicle models, the corresponding charging mode is determined. According to the monitoring results of key data of the core equipment in the charging process, such as charging current, charging voltage, battery temperature, etc., the charging strategies of different vehicle models and different battery types are analysed, which provides reference for the safe operation of charging process.

Regional comprehensive drought disaster risk dynamic evaluation based on projection pursuit clustering

Water Policy ◽  
2018 ◽  
Vol 20 (2) ◽  
pp. 410-428 ◽  
Author(s):  
Yongnan Zhu ◽  
Lei Li ◽  
Yong Zhao ◽  
Zhongmin Liang ◽  
Haihong Li ◽  
...  
Keyword(s):  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Dimensional Space ◽  
Projection Pursuit ◽  
Development Trend ◽  
Disaster Risk ◽  
Evaluation Index System ◽  
Dynamic Evaluation ◽  
Drought Disaster ◽  
The Development Trend

Abstract We used system theory to analyze the structure of a regional drought disaster system and separated the drought disaster risk system into three subsystems. These were drought disaster-causing factors, disaster-inducing environments, and disaster-bearing bodies. Analysis of the main factors of these subsystems allowed the establishment of a regional comprehensive drought disaster risk evaluation index system. To simultaneously evaluate the distribution and development trends of the regional comprehensive drought disaster risk, we established a dynamic evaluation model. Based on the ideas of the projection pursuit clustering method and the dynamic comprehensive evaluation method, the model can make use of multi-dimensional space–time drought disaster information. The model was applied to evaluate comprehensive drought disaster risk in the Xuzhou region, China. The evaluation results show that the method was able to illustrate the development trend and distribution of the comprehensive drought disaster risk in the Xuzhou region. The clustering zoning results show that Pizhou City is the area with the highest risk in Xuzhou, while Fengxian has the lowest. The development trend of comprehensive drought disaster risk with time is not significant.

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