EV/AFV Tech PSE ’96 will be held from Dec. 6 to Dec. 12 of 1996 in Beijing, Mr. Shi Dinghuan, SSTC and Mr. Zhang Xiaoyu, MMI announced at a press conference held on July 19, 1996 in Beijing. Members of the Organizing...EV/AFV Tech PSE ’96 will be held from Dec. 6 to Dec. 12 of 1996 in Beijing, Mr. Shi Dinghuan, SSTC and Mr. Zhang Xiaoyu, MMI announced at a press conference held on July 19, 1996 in Beijing. Members of the Organizing Committee are as follows:展开更多
随着广播电视技术的进步和发展,Tally和源名系统的应用已经成为转播车系统中非常重要的一部分,并且Tally控制系统应用也呈现定制化和复杂化,因此文章首先阐述以TallyMan为代表的Tally源名控制系统的工作逻辑,包括Tally工作机制和源名工...随着广播电视技术的进步和发展,Tally和源名系统的应用已经成为转播车系统中非常重要的一部分,并且Tally控制系统应用也呈现定制化和复杂化,因此文章首先阐述以TallyMan为代表的Tally源名控制系统的工作逻辑,包括Tally工作机制和源名工作机制,然后结合济南广播电视台超高清4K转播车升级和改造的具体设备和制作需求,详细阐述通过TSL实现双区制作Tally、UMD动态源名跟随、JoyStick、矩阵应急Tally、基于event的CCU IP Tally等的具体配置方法,希望为广播电视从业者在系统规划、集成和应用方面提供一定的参考。展开更多
Autonomous flying vehicles(AFVs)are promising future vehicles,which have high obstacle avoidance ability.To plan a feasible path in a wide range of cross-country environments for the AFV,a triggered forward optimal ra...Autonomous flying vehicles(AFVs)are promising future vehicles,which have high obstacle avoidance ability.To plan a feasible path in a wide range of cross-country environments for the AFV,a triggered forward optimal rapidly-exploring random tree(TF-RRT^(*))method is proposed.Firstly,an improved sampling and tree growth mechanism is built.Sampling and tree growth are allowed only in the forward region close to the target point,which significantly improves the planning speed;Secondly,the driving modes(ground-driving mode or air-driving mode)of the AFV are added to the sampling process as a planned state for uniform planning the driving path and driving mode;Thirdly,according to the dynamics and energy consumption models of the AFV,comprehensive indicators with energy consumption and efficiency are established for path optimal procedures,so as to select driving mode and plan driving path reasonably according to the demand.The proposed method is verified by simulations with an actual cross-country environment.Results show that the computation time is decreased by 71.08%compared with Informed-RRT^(*)algorithm,and the path length of the proposed method decreased by 13.01%compared with RRT^(*)-Connect algorithm.展开更多
文摘EV/AFV Tech PSE ’96 will be held from Dec. 6 to Dec. 12 of 1996 in Beijing, Mr. Shi Dinghuan, SSTC and Mr. Zhang Xiaoyu, MMI announced at a press conference held on July 19, 1996 in Beijing. Members of the Organizing Committee are as follows:
文摘随着广播电视技术的进步和发展,Tally和源名系统的应用已经成为转播车系统中非常重要的一部分,并且Tally控制系统应用也呈现定制化和复杂化,因此文章首先阐述以TallyMan为代表的Tally源名控制系统的工作逻辑,包括Tally工作机制和源名工作机制,然后结合济南广播电视台超高清4K转播车升级和改造的具体设备和制作需求,详细阐述通过TSL实现双区制作Tally、UMD动态源名跟随、JoyStick、矩阵应急Tally、基于event的CCU IP Tally等的具体配置方法,希望为广播电视从业者在系统规划、集成和应用方面提供一定的参考。
基金National Natural Science Foundation of China(Grant No.51975048,No.52102449).
文摘Autonomous flying vehicles(AFVs)are promising future vehicles,which have high obstacle avoidance ability.To plan a feasible path in a wide range of cross-country environments for the AFV,a triggered forward optimal rapidly-exploring random tree(TF-RRT^(*))method is proposed.Firstly,an improved sampling and tree growth mechanism is built.Sampling and tree growth are allowed only in the forward region close to the target point,which significantly improves the planning speed;Secondly,the driving modes(ground-driving mode or air-driving mode)of the AFV are added to the sampling process as a planned state for uniform planning the driving path and driving mode;Thirdly,according to the dynamics and energy consumption models of the AFV,comprehensive indicators with energy consumption and efficiency are established for path optimal procedures,so as to select driving mode and plan driving path reasonably according to the demand.The proposed method is verified by simulations with an actual cross-country environment.Results show that the computation time is decreased by 71.08%compared with Informed-RRT^(*)algorithm,and the path length of the proposed method decreased by 13.01%compared with RRT^(*)-Connect algorithm.
