无人化是铰接式压路机减轻人工作业负担、提高压实作业质量和效率的主要技术手段,但由于铰接式压路机整机吨位高、转向阻力大,依照常规车辆的换道路径进行循迹能耗较高。为此,针对铰接式压路机,提出了面向节能的最优换道路径规划方法,...无人化是铰接式压路机减轻人工作业负担、提高压实作业质量和效率的主要技术手段,但由于铰接式压路机整机吨位高、转向阻力大,依照常规车辆的换道路径进行循迹能耗较高。为此,针对铰接式压路机,提出了面向节能的最优换道路径规划方法,同时研究了该算法的实际换道效率及能耗。平坦路面施工现场开展实车实验,实验结果表明:采用INFO优化(Weighted mean of vectors algorithm)的五阶贝塞尔换道路径施工,在换道效率、换道行驶能耗、转向能耗等方面均表现良好。展开更多
The nuclear fuel cycle inevitably generates a large amount of radioactive waste liquid,which will pose a serious threat to the ecological environment and human health.Ion exchange method has received wide attention fo...The nuclear fuel cycle inevitably generates a large amount of radioactive waste liquid,which will pose a serious threat to the ecological environment and human health.Ion exchange method has received wide attention for its easy operation,low cost and no secondary pollution.However,the effective removal of radioactive ions from complex solutions still remains a serious challenge due to their environmental mobility and radiotoxicity.We have developed an efficient strategy to construct crystalline ion-exchange materials by inducing layered or three-dimensional microporous anionic frameworks by organic cations that can be effectively exchanged by radioactive metal ions.This type of materials can be applied effectively to the removal of radioactive ions from complex solutions and the removal mechanism has been deeply clarified by means of single crystal structure analyses,theoretical calculations,etc.This review summarizes our recent progress in the study of synthesis,structures and properties of radioactive ion removals for such type of crystalline ion-exchange materials.展开更多
文摘无人化是铰接式压路机减轻人工作业负担、提高压实作业质量和效率的主要技术手段,但由于铰接式压路机整机吨位高、转向阻力大,依照常规车辆的换道路径进行循迹能耗较高。为此,针对铰接式压路机,提出了面向节能的最优换道路径规划方法,同时研究了该算法的实际换道效率及能耗。平坦路面施工现场开展实车实验,实验结果表明:采用INFO优化(Weighted mean of vectors algorithm)的五阶贝塞尔换道路径施工,在换道效率、换道行驶能耗、转向能耗等方面均表现良好。
基金supported by the National Natural Science Foundation of China(Nos.22076185,21771183,21373223,21221001,21171164,20873149 and 20771102)the 973 programs(Nos.2014CB845603,2012CB821702 and 2006CB932904)+3 种基金the Natural Science Foundation of Fujian Province(Nos.2020J06033,2018J01027,2010J01056)FJIRSM&IUE Joint Research Fund(No.RHZX-2018-005)Chunmiao project of Haixi institute of Chinese Academy of Sciences(CMZX-2014-001)the Youth Innovation Promotion Association of Chinese Academy of Sciences(2011220)。
文摘The nuclear fuel cycle inevitably generates a large amount of radioactive waste liquid,which will pose a serious threat to the ecological environment and human health.Ion exchange method has received wide attention for its easy operation,low cost and no secondary pollution.However,the effective removal of radioactive ions from complex solutions still remains a serious challenge due to their environmental mobility and radiotoxicity.We have developed an efficient strategy to construct crystalline ion-exchange materials by inducing layered or three-dimensional microporous anionic frameworks by organic cations that can be effectively exchanged by radioactive metal ions.This type of materials can be applied effectively to the removal of radioactive ions from complex solutions and the removal mechanism has been deeply clarified by means of single crystal structure analyses,theoretical calculations,etc.This review summarizes our recent progress in the study of synthesis,structures and properties of radioactive ion removals for such type of crystalline ion-exchange materials.