With the rapid development of the aviation industry,the development of intelligent manufacturing equipment represented by composite robots has been paid close attention by the aviation industry.Based on the analysis o...With the rapid development of the aviation industry,the development of intelligent manufacturing equipment represented by composite robots has been paid close attention by the aviation industry.Based on the analysis of the background and main structure function of composite robots,this paper focuses on the analysis of key technologies such as composite robot hardware design,visual sensing and planning system,integrated control of‘hands,feet,and eyes',multi-robot collaborative operation,and safety.The typical applications of composite robots in aviation intelligent manufacturing such as automatic drilling and connection of aircraft,aircraft surface spraying and finishing,parts handling,aircraft measurement,and inspection are presented.The development trends such as standardization of composite robots,integration of‘5G+cloud computing+AI',and fusion of intelligent sensors are proposed.展开更多
Welding in aviation industry has become one of the dominate processing technologies for manufacturing flying apparatus.The percentage of welded structures in designs of new flying apparatus has been continuously grow...Welding in aviation industry has become one of the dominate processing technologies for manufacturing flying apparatus.The percentage of welded structures in designs of new flying apparatus has been continuously growing up.Welding technology provides a freedom and guarantee to new structure design and new material application. Technical and economic benefits have been obtaining in application of newly developed welding technologies and achievements in research, such as, SPF/DB,electron beam welding, breezing,low stress nondistortion welding etc.展开更多
Having been invented at the beginning of 20th century,aircraft is the concrete success of human being related to flying fantasy,which has been existing for centuries.The centuries-old studies accelerated in the 19th c...Having been invented at the beginning of 20th century,aircraft is the concrete success of human being related to flying fantasy,which has been existing for centuries.The centuries-old studies accelerated in the 19th century and it has been finally succeeded to take off under Wright Brothers in 1903 together with scientific and technologic processes.A creative energy boosted at the beginning of 20^th century and a new age,“age of aviation and aircraft”emerged.The political atmosphere in the world was considerably tense at the beginning of 20^th century.World War I and World War II were experienced.War Effort was directly effective in the development of aircraft and aviation architecture.In terms of aviation architecture,aircraft hangars,aircraft factories,wind tunnels,runways and airports can be considered.Birth and development of aircraft industry are in parallel with birth and development of modern architecture(and organic architecture).The period between 1918-1939 is characterized as“Golden Age”of aviation in the West(particularly in the U.S).The literature and archive resources have been reviewed in the Republic of Turkey simultaneously.In this article,interactions between aircraft technology and aviation architecture are discussed.展开更多
The two-sided matching has been widely applied to the decision-making problems in the field of management.With the limited working experience,the two-sided agents usually cannot provide the preference order directly f...The two-sided matching has been widely applied to the decision-making problems in the field of management.With the limited working experience,the two-sided agents usually cannot provide the preference order directly for the opposite agent,but rather to provide the preference relations in the form of linguistic information.The preference relations based on probabilistic linguistic term sets(PLTSs)not only allowagents to provide the evaluation with multiple linguistic terms,but also present the different preference degrees for linguistic terms.Considering the diversities of the agents,they may provide their preference relations in the form of the probabilistic linguistic preference relation(PLPR)or the probabilistic linguistic multiplicative preference relation(PLMPR).For two-sided matching with the expected time,we first provide the concept of the time satisfaction degree(TSD).Then,we transform the preference relations in different forms into the unified preference relations(u-PRs).The consistency index to measure the consistency of u-PRs is introduced.Besides,the acceptable consistent u-PRs are constructed,and an algorithm is proposed to modify the unacceptable consistent u-PRs.Furthermore,we present the whole two-sided matching decisionmaking process with the acceptable consistent u-PRs.Finally,a case about aviation technology suppliers and demanders matching is presented to exhibit the rationality and practicality of the proposed method.Some analyses and discussions are provided to further demonstrate the feasibility and effectiveness of the proposed method.展开更多
基金the National Key Research and Development Program of China(No.2022YFB4700400)。
文摘With the rapid development of the aviation industry,the development of intelligent manufacturing equipment represented by composite robots has been paid close attention by the aviation industry.Based on the analysis of the background and main structure function of composite robots,this paper focuses on the analysis of key technologies such as composite robot hardware design,visual sensing and planning system,integrated control of‘hands,feet,and eyes',multi-robot collaborative operation,and safety.The typical applications of composite robots in aviation intelligent manufacturing such as automatic drilling and connection of aircraft,aircraft surface spraying and finishing,parts handling,aircraft measurement,and inspection are presented.The development trends such as standardization of composite robots,integration of‘5G+cloud computing+AI',and fusion of intelligent sensors are proposed.
文摘Welding in aviation industry has become one of the dominate processing technologies for manufacturing flying apparatus.The percentage of welded structures in designs of new flying apparatus has been continuously growing up.Welding technology provides a freedom and guarantee to new structure design and new material application. Technical and economic benefits have been obtaining in application of newly developed welding technologies and achievements in research, such as, SPF/DB,electron beam welding, breezing,low stress nondistortion welding etc.
文摘Having been invented at the beginning of 20th century,aircraft is the concrete success of human being related to flying fantasy,which has been existing for centuries.The centuries-old studies accelerated in the 19th century and it has been finally succeeded to take off under Wright Brothers in 1903 together with scientific and technologic processes.A creative energy boosted at the beginning of 20^th century and a new age,“age of aviation and aircraft”emerged.The political atmosphere in the world was considerably tense at the beginning of 20^th century.World War I and World War II were experienced.War Effort was directly effective in the development of aircraft and aviation architecture.In terms of aviation architecture,aircraft hangars,aircraft factories,wind tunnels,runways and airports can be considered.Birth and development of aircraft industry are in parallel with birth and development of modern architecture(and organic architecture).The period between 1918-1939 is characterized as“Golden Age”of aviation in the West(particularly in the U.S).The literature and archive resources have been reviewed in the Republic of Turkey simultaneously.In this article,interactions between aircraft technology and aviation architecture are discussed.
基金This work was supported by the National Natural Science Foundation of China(Nos.71771155,71571123)the scholarship under the UK-China Joint Research and Innovation Partnership Fund Ph.D.Placement Programme(No.201806240416)the Teacher-Student Joint Innovation Research Fund of Business School of Sichuan University(No.H2018016).
文摘The two-sided matching has been widely applied to the decision-making problems in the field of management.With the limited working experience,the two-sided agents usually cannot provide the preference order directly for the opposite agent,but rather to provide the preference relations in the form of linguistic information.The preference relations based on probabilistic linguistic term sets(PLTSs)not only allowagents to provide the evaluation with multiple linguistic terms,but also present the different preference degrees for linguistic terms.Considering the diversities of the agents,they may provide their preference relations in the form of the probabilistic linguistic preference relation(PLPR)or the probabilistic linguistic multiplicative preference relation(PLMPR).For two-sided matching with the expected time,we first provide the concept of the time satisfaction degree(TSD).Then,we transform the preference relations in different forms into the unified preference relations(u-PRs).The consistency index to measure the consistency of u-PRs is introduced.Besides,the acceptable consistent u-PRs are constructed,and an algorithm is proposed to modify the unacceptable consistent u-PRs.Furthermore,we present the whole two-sided matching decisionmaking process with the acceptable consistent u-PRs.Finally,a case about aviation technology suppliers and demanders matching is presented to exhibit the rationality and practicality of the proposed method.Some analyses and discussions are provided to further demonstrate the feasibility and effectiveness of the proposed method.
