道路在承担交通运输任务时,车辆行驶产生的压力和振动可转化为电能,这一过程基于压电效应。这种能源不仅可再生,还对环境保护和经济的可持续发展具有重要意义。然而,要高效实现道路机械能向电能的转化,能量收集与存储电路是关键。本文...道路在承担交通运输任务时,车辆行驶产生的压力和振动可转化为电能,这一过程基于压电效应。这种能源不仅可再生,还对环境保护和经济的可持续发展具有重要意义。然而,要高效实现道路机械能向电能的转化,能量收集与存储电路是关键。本文设计了一种基于压电传感器的道路能量收集电路,并对其性能进行了分析。研究通过道路模拟装置开展压电效应试验,利用设计的电路获取并存储电能,并借助示波器捕捉波形。随后,通过TINA for TI电路仿真软件对波形进行分析,得出不同元件参数下整流和储能电路的性能参数。基于上述研究,结合模拟的道路交通模型,本文进一步设计了一种压电式道路能量收集与存储电路。实验分析了关键参数,并利用仿真软件验证了数据的正确性。该电路模型可用于压电效应能量的数据采集与存储,对类似设计具有重要的参考价值和应用前景。展开更多
To address the issues of low solving efficiency and poor decoupling accuracy in existing six-axis acceleration decoupling algorithms,a new decoupling algorithm is proposed along with a corresponding auto-compensation ...To address the issues of low solving efficiency and poor decoupling accuracy in existing six-axis acceleration decoupling algorithms,a new decoupling algorithm is proposed along with a corresponding auto-compensation algorithm.Firstly,based on Kane’s method,the dynamics model of the six-axis acceleration sensing mechanism is formed to determine the relationship between accelerations and branch forces.Then,with the trapezoidal rule,a solution algorithm for the dynamics model is developed.The virtual prototype tests show that the computation of this algorithm is five times more efficient than that of the ADAMS core algorithm.Besides,this solution algorithm is applied to the“12-6”configuration and“9-3”configuration.The results show that the efficiency of the former is nearly 3.3 times that of the latter.Finally,based on vibration theory,an auto-compensation algorithm for the solution algorithm is established.Virtual prototype tests indicate that with 40%noise interference,the auto-compensation algorithm achieves misjudgement rate and omission rate of only 4.0%and 4.5%,respectively,and the errors in the solving process converge.展开更多
文摘道路在承担交通运输任务时,车辆行驶产生的压力和振动可转化为电能,这一过程基于压电效应。这种能源不仅可再生,还对环境保护和经济的可持续发展具有重要意义。然而,要高效实现道路机械能向电能的转化,能量收集与存储电路是关键。本文设计了一种基于压电传感器的道路能量收集电路,并对其性能进行了分析。研究通过道路模拟装置开展压电效应试验,利用设计的电路获取并存储电能,并借助示波器捕捉波形。随后,通过TINA for TI电路仿真软件对波形进行分析,得出不同元件参数下整流和储能电路的性能参数。基于上述研究,结合模拟的道路交通模型,本文进一步设计了一种压电式道路能量收集与存储电路。实验分析了关键参数,并利用仿真软件验证了数据的正确性。该电路模型可用于压电效应能量的数据采集与存储,对类似设计具有重要的参考价值和应用前景。
基金supported by the Opening Project of State Key Laboratory of Mechanical Transmission for Advanced Equipment(No.SKLMT-MSKFKT202330)the National Natural Science Foundation of China(NSFC)(No.52575022)the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX24_1295)。
文摘To address the issues of low solving efficiency and poor decoupling accuracy in existing six-axis acceleration decoupling algorithms,a new decoupling algorithm is proposed along with a corresponding auto-compensation algorithm.Firstly,based on Kane’s method,the dynamics model of the six-axis acceleration sensing mechanism is formed to determine the relationship between accelerations and branch forces.Then,with the trapezoidal rule,a solution algorithm for the dynamics model is developed.The virtual prototype tests show that the computation of this algorithm is five times more efficient than that of the ADAMS core algorithm.Besides,this solution algorithm is applied to the“12-6”configuration and“9-3”configuration.The results show that the efficiency of the former is nearly 3.3 times that of the latter.Finally,based on vibration theory,an auto-compensation algorithm for the solution algorithm is established.Virtual prototype tests indicate that with 40%noise interference,the auto-compensation algorithm achieves misjudgement rate and omission rate of only 4.0%and 4.5%,respectively,and the errors in the solving process converge.
