As an important branch in the field of servo control, multi-motor coordination motion control applications are increasingly widespread.For open CNC system requirement, taking DSP as master core, combing with specific ...As an important branch in the field of servo control, multi-motor coordination motion control applications are increasingly widespread.For open CNC system requirement, taking DSP as master core, combing with specific integrated stepper motor driver chip LMDI8201T, this designed a serial communication-based new collaborative multi-motor control system, which has characters of highly integrated, good stability, real-time, convenient man-machine interface.The test results show that the system fully meet performance requirements and achieved the motion control functions.展开更多
Herein,a unique nanohybrid foam was fabricated with titanium dioxide(TiO2)-carbon quantum dots(CQDs)nanoparticles intercalated between graphene oxide(GO)layers via a facile and low-cost solvothermal method.Compared wi...Herein,a unique nanohybrid foam was fabricated with titanium dioxide(TiO2)-carbon quantum dots(CQDs)nanoparticles intercalated between graphene oxide(GO)layers via a facile and low-cost solvothermal method.Compared with pure GO foam,the fabricated GO-TiO2-CQDs foam displayed high degradation rate towards methyl orange(MO),methylene blue(MB),and rhodamine B(Rh B),respectively,under the Xenon lamp irradiation.The composite foam can be used for several times and remain a high degradation rate without structural damage.The photochemical property was attributed to the 3D porous structure of GOTiO2-CQDs foam,in which ultrafine hydrogenated TiO2-CQDs nanoparticles were densely anchored on the GO sheets.This paper provides an efficient strategy to tune the charge transport and thus enhance the photocatalytic performance by combining the semi-conductive GO and quantum dots.展开更多
文摘As an important branch in the field of servo control, multi-motor coordination motion control applications are increasingly widespread.For open CNC system requirement, taking DSP as master core, combing with specific integrated stepper motor driver chip LMDI8201T, this designed a serial communication-based new collaborative multi-motor control system, which has characters of highly integrated, good stability, real-time, convenient man-machine interface.The test results show that the system fully meet performance requirements and achieved the motion control functions.
基金supported by the National Natural Science Foundation of China (NSFC, 51573013 and 51873016)the Open Project Program of Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing Technology and Business University (QETHSP2019006)
文摘Herein,a unique nanohybrid foam was fabricated with titanium dioxide(TiO2)-carbon quantum dots(CQDs)nanoparticles intercalated between graphene oxide(GO)layers via a facile and low-cost solvothermal method.Compared with pure GO foam,the fabricated GO-TiO2-CQDs foam displayed high degradation rate towards methyl orange(MO),methylene blue(MB),and rhodamine B(Rh B),respectively,under the Xenon lamp irradiation.The composite foam can be used for several times and remain a high degradation rate without structural damage.The photochemical property was attributed to the 3D porous structure of GOTiO2-CQDs foam,in which ultrafine hydrogenated TiO2-CQDs nanoparticles were densely anchored on the GO sheets.This paper provides an efficient strategy to tune the charge transport and thus enhance the photocatalytic performance by combining the semi-conductive GO and quantum dots.