Robo M aste2020全国大学生机器人大赛必备兵种工程机器人,工程机器人的抓弹平台结构是否稳定是影响战队能力的一个重要因素,设计一套稳定的抓弹平台是工程机器人的关键。根据比赛规则,利用Solid W orks软件进行对抓弹平台的运动仿真,通...Robo M aste2020全国大学生机器人大赛必备兵种工程机器人,工程机器人的抓弹平台结构是否稳定是影响战队能力的一个重要因素,设计一套稳定的抓弹平台是工程机器人的关键。根据比赛规则,利用Solid W orks软件进行对抓弹平台的运动仿真,通过keil软件编程来控制车体和抓弹机构运动及完成变形动作,以获得稳定、快速的抓弹平台。本篇主要讲述机械结构的设计原理和思路,电气控制的逻辑和框架以及执行的综合性分析。通过软件控制和机械结构的结合,通过恰当的传感器和逻辑结构实现控制机器人完整运动。展开更多
This paper gives an overall introduction to the basic concept of LAC(location-aware computing) and its development status, puts forward an integrated location-aware computing architecture which is useful for designing...This paper gives an overall introduction to the basic concept of LAC(location-aware computing) and its development status, puts forward an integrated location-aware computing architecture which is useful for designing the reasonable logical model of LBS(location-based service). Finally, a brief introduction is conducted on a LAC experimental prototype, which acts as a mobile urban tourism assistant.展开更多
Lock-in amplifiers are used to detect and measure very small alternating current(AC)signals down to the range of nVs.Accurate measurements can be made even when the small signals are buried by noise thousands of times...Lock-in amplifiers are used to detect and measure very small alternating current(AC)signals down to the range of nVs.Accurate measurements can be made even when the small signals are buried by noise thousands of times larger.With the digital signal processing(DSP)technology involved in modern instrumentation,a lock-in amplifier is more versatile in sensing and recovering small signals.Combining the virtual instrumentation technology,we reorganize the functional blocks of a programmable lock-in amplifier and build it as a virtual spectrum analyzer,virtual impedance meter,virtual network analyzer,virtual semiconductor parameter analyzer,signal generator,etc.A 4 layer model is used to implement these virtual instruments.The same virtual instrument can also be implemented on a general purpose FPGA developing board.展开更多
文摘Robo M aste2020全国大学生机器人大赛必备兵种工程机器人,工程机器人的抓弹平台结构是否稳定是影响战队能力的一个重要因素,设计一套稳定的抓弹平台是工程机器人的关键。根据比赛规则,利用Solid W orks软件进行对抓弹平台的运动仿真,通过keil软件编程来控制车体和抓弹机构运动及完成变形动作,以获得稳定、快速的抓弹平台。本篇主要讲述机械结构的设计原理和思路,电气控制的逻辑和框架以及执行的综合性分析。通过软件控制和机械结构的结合,通过恰当的传感器和逻辑结构实现控制机器人完整运动。
文摘This paper gives an overall introduction to the basic concept of LAC(location-aware computing) and its development status, puts forward an integrated location-aware computing architecture which is useful for designing the reasonable logical model of LBS(location-based service). Finally, a brief introduction is conducted on a LAC experimental prototype, which acts as a mobile urban tourism assistant.
文摘Lock-in amplifiers are used to detect and measure very small alternating current(AC)signals down to the range of nVs.Accurate measurements can be made even when the small signals are buried by noise thousands of times larger.With the digital signal processing(DSP)technology involved in modern instrumentation,a lock-in amplifier is more versatile in sensing and recovering small signals.Combining the virtual instrumentation technology,we reorganize the functional blocks of a programmable lock-in amplifier and build it as a virtual spectrum analyzer,virtual impedance meter,virtual network analyzer,virtual semiconductor parameter analyzer,signal generator,etc.A 4 layer model is used to implement these virtual instruments.The same virtual instrument can also be implemented on a general purpose FPGA developing board.