The consensus problem of the distributed attitude synchronization in the spacecraft formation flying is considered.Firstly,the attitude dynamics of a rigid body spacecraft is described by modified Rodriguez parameters...The consensus problem of the distributed attitude synchronization in the spacecraft formation flying is considered.Firstly,the attitude dynamics of a rigid body spacecraft is described by modified Rodriguez parameters（MRPs）.Then global stable distributed cooperative attitude control laws are proposed for different cases.In the first case,the control law guarantees the state consensus during the attitude synchronization.In the second case,the control law ensures both the attitudes synchronizing to a desired constant attitude and the angular velocities converging at zero.In the third case,an attitude consensus control law with bounded control input is proposed.Finally,the effectiveness and validity of the control laws are demonstrated by simulations of six rigid bodies formation flying.展开更多
China’s close links with Cuba were vividly recalled in May with the visit of Rodriguez Choy,one of three famous generals of Chinese descent whose exploits contributed much to the Caribbean island’s independent advan...China’s close links with Cuba were vividly recalled in May with the visit of Rodriguez Choy,one of three famous generals of Chinese descent whose exploits contributed much to the Caribbean island’s independent advancement.Now nearly 80,it was his first visit to his ancestral homeland having lost contact for three decades and the occasion was a deeply emotional one.展开更多
2010-2013 The World Journal of Gastroenterology Editorial Board consists of 1352 members,representing a team of world wide experts in gastroenterology and hepatology.They are from 64 countries,including Albania(1),Arg...2010-2013 The World Journal of Gastroenterology Editorial Board consists of 1352 members,representing a team of world wide experts in gastroenterology and hepatology.They are from 64 countries,including Albania(1),Argentina(8),Australia(33)展开更多
音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre...音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre）。百老汇观众选择奖得主克里丝塔·罗德里格兹（Krysta Rodriguez）和安迪·米恩特斯（Andy Mientus）以及奥斯卡最佳女主角奖得主玛丽·玛特琳（Marlee Matlin）将在剧中饰演主要角色。音乐剧《春之觉醒》最初由戏剧家弗兰克·维德肯（Frank Wedekind）创作于1891年,展开更多
Y2002-63197-1147 0322290提高流体处理效率的电力驱动系统=Electricg drivesto increase the fluid processing efficiency[会,英]/Bogli-etti,A.& Cavagnino,A.//2001 IEEE Industry Appli-cations Conference,Vol.2 of 4.—1147...Y2002-63197-1147 0322290提高流体处理效率的电力驱动系统=Electricg drivesto increase the fluid processing efficiency[会,英]/Bogli-etti,A.& Cavagnino,A.//2001 IEEE Industry Appli-cations Conference,Vol.2 of 4.—1147～1154(ME)Y2002-63197-1396 0322291采用三电平转换器的新式20MW 坡路输送系统=Novel 20MW downhill conveyor system using three-levelconverters[会,英]/Rodriguez,J.& Pontt,J.展开更多
纪录片的配乐,是不太好去评论的。因为纪录片本身的属性太过严肃,以至于要专业音乐评论家们下定决心去评论依附于事实性情节的旋律,多少有些大逆不道的嫌疑。好在我们有今年奥斯卡最佳纪录片《Searching for Sugar Man》,说的全部是音...纪录片的配乐,是不太好去评论的。因为纪录片本身的属性太过严肃,以至于要专业音乐评论家们下定决心去评论依附于事实性情节的旋律,多少有些大逆不道的嫌疑。好在我们有今年奥斯卡最佳纪录片《Searching for Sugar Man》,说的全部是音乐人的故事,在这个迟来的冬季,让我们一起聆听Rodriguez的质朴音乐中轻盈透出的那份深厚而浓郁的人文情怀。展开更多
2010-2013 The World Journal of Gastroenterology Editorial Board consists of 1352 members, representing a team of worldwide experts in gastroenterology and hepatology.
In his novel Son of Man, Augusto Roa Bastos uses images and symbols of shadows to represent the ramifications ofthe Paraguayan Dr. Jose Rodriguez de Francia＇s dictatorship. Rodriguez de Francia＇s legacy, which begin...In his novel Son of Man, Augusto Roa Bastos uses images and symbols of shadows to represent the ramifications ofthe Paraguayan Dr. Jose Rodriguez de Francia＇s dictatorship. Rodriguez de Francia＇s legacy, which begins duringthe postcolonial years and extends well into the 20th century, resonates in the novel in soeio-political structures andcharacters＇ ideologies and behaviors. It allows for plantation owners to enslave workers and their families; itconfines and oppresses people through unfounded legends and myths; and among other things, it creates a falseidea of purpose and patriotism in the Chaco War （1932-1935）, which in the end lets down the soldiers. Tocounteract these deleterious social conditions, Roa Bastos creates surreal characters, such as a fantastic helper whoaids plantation workers to escape dehumanizing situations. Roa Bastos also narrates how the people in Itapr, asmall town, make an idol of a Christ statue carved by one of their own. However, when the two Goiburfl brothersreplace the statue by crucifying their sister＇s rapist, the people＇s myth is destroyed. Likewise, Roa Bastos availshimself of Christian and Catholic concepts and symbols to transpose them into a humanistic ideology so as toconvey hope to his people through a new perspective. In this way, a new Annunciation takes place when the son ofa raped woman is born. In the end, Roa Bastos lets the course of these warped transpositions take their logicaldenouement： In the absence of a purpose beyond an earthly existence, death becomes the narrator＇s option.展开更多
基金supported by the National Science Foundation of China (6097406260972119)the Chinese Ministry of Science and Intergovernmental Cooperation Project(2009DFA12870)
文摘The consensus problem of the distributed attitude synchronization in the spacecraft formation flying is considered.Firstly,the attitude dynamics of a rigid body spacecraft is described by modified Rodriguez parameters（MRPs）.Then global stable distributed cooperative attitude control laws are proposed for different cases.In the first case,the control law guarantees the state consensus during the attitude synchronization.In the second case,the control law ensures both the attitudes synchronizing to a desired constant attitude and the angular velocities converging at zero.In the third case,an attitude consensus control law with bounded control input is proposed.Finally,the effectiveness and validity of the control laws are demonstrated by simulations of six rigid bodies formation flying.
文摘China’s close links with Cuba were vividly recalled in May with the visit of Rodriguez Choy,one of three famous generals of Chinese descent whose exploits contributed much to the Caribbean island’s independent advancement.Now nearly 80,it was his first visit to his ancestral homeland having lost contact for three decades and the occasion was a deeply emotional one.
文摘2010-2013 The World Journal of Gastroenterology Editorial Board consists of 1352 members,representing a team of world wide experts in gastroenterology and hepatology.They are from 64 countries,including Albania(1),Argentina(8),Australia(33)
文摘音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre）。百老汇观众选择奖得主克里丝塔·罗德里格兹（Krysta Rodriguez）和安迪·米恩特斯（Andy Mientus）以及奥斯卡最佳女主角奖得主玛丽·玛特琳（Marlee Matlin）将在剧中饰演主要角色。音乐剧《春之觉醒》最初由戏剧家弗兰克·维德肯（Frank Wedekind）创作于1891年,
文摘Y2002-63197-1147 0322290提高流体处理效率的电力驱动系统=Electricg drivesto increase the fluid processing efficiency[会,英]/Bogli-etti,A.& Cavagnino,A.//2001 IEEE Industry Appli-cations Conference,Vol.2 of 4.—1147～1154(ME)Y2002-63197-1396 0322291采用三电平转换器的新式20MW 坡路输送系统=Novel 20MW downhill conveyor system using three-levelconverters[会,英]/Rodriguez,J.& Pontt,J.
文摘纪录片的配乐,是不太好去评论的。因为纪录片本身的属性太过严肃,以至于要专业音乐评论家们下定决心去评论依附于事实性情节的旋律,多少有些大逆不道的嫌疑。好在我们有今年奥斯卡最佳纪录片《Searching for Sugar Man》,说的全部是音乐人的故事,在这个迟来的冬季,让我们一起聆听Rodriguez的质朴音乐中轻盈透出的那份深厚而浓郁的人文情怀。
文摘2010-2013 The World Journal of Gastroenterology Editorial Board consists of 1352 members, representing a team of worldwide experts in gastroenterology and hepatology.
文摘In his novel Son of Man, Augusto Roa Bastos uses images and symbols of shadows to represent the ramifications ofthe Paraguayan Dr. Jose Rodriguez de Francia＇s dictatorship. Rodriguez de Francia＇s legacy, which begins duringthe postcolonial years and extends well into the 20th century, resonates in the novel in soeio-political structures andcharacters＇ ideologies and behaviors. It allows for plantation owners to enslave workers and their families; itconfines and oppresses people through unfounded legends and myths; and among other things, it creates a falseidea of purpose and patriotism in the Chaco War （1932-1935）, which in the end lets down the soldiers. Tocounteract these deleterious social conditions, Roa Bastos creates surreal characters, such as a fantastic helper whoaids plantation workers to escape dehumanizing situations. Roa Bastos also narrates how the people in Itapr, asmall town, make an idol of a Christ statue carved by one of their own. However, when the two Goiburfl brothersreplace the statue by crucifying their sister＇s rapist, the people＇s myth is destroyed. Likewise, Roa Bastos availshimself of Christian and Catholic concepts and symbols to transpose them into a humanistic ideology so as toconvey hope to his people through a new perspective. In this way, a new Annunciation takes place when the son ofa raped woman is born. In the end, Roa Bastos lets the course of these warped transpositions take their logicaldenouement： In the absence of a purpose beyond an earthly existence, death becomes the narrator＇s option.
