Objective:To evaluate the effects of interactive dynamic scalp acupuncture(IDSA),simple combination therapy(SCT),and traditional scalp acupuncture(TSA)on motor function and gait of the lower limbs in post-stroke hemip...Objective:To evaluate the effects of interactive dynamic scalp acupuncture(IDSA),simple combination therapy(SCT),and traditional scalp acupuncture(TSA)on motor function and gait of the lower limbs in post-stroke hemiplegia patients.Methods:A total of 231 patients with post-stroke hemiplegia was randomly divided into IDSA(78 cases),SCT(78 cases),and TSA(75 cases)groups by a random number table.Scalp acupuncture(SA)and lower-limb robot training(LLRT)were both performed in the IDSA and SCT groups.The patients in the TSA group underwent SA and did not receive LLRT.The treatment was administered once daily and 6 times weekly for 8 continuous weeks,each session lasted for 30 min.The primary outcome measures included Fugl-Meyer Assessment of the Lower Extremity(FMA-LE),Berg Balance Scale(BBS),Modified Barthel Index(MBI),and 6-min walking test(6 MWT).The secondary outcome measures included stride frequency(SF),stride length(SL),stride width(SW),affected side foot angle(ASFA),passive range of motion(PROM)of the affected hip(PROM-H),knee(PROM-K)and ankle(PROM-A)joints.The patients were evaluated before treatment,at 1-and 2-month treatment,and 1-,and 2-month follow-up visits,respectively.Adverse events during 2-month treatment were observed.Results:Nineteen patients withdrew from the trial,with 8 in the IDSA group,5 in the SCT group,and 6 in the TSA group.The FMA-LE,BBS,6 MWT and MBI scores in the IDSA group were significantly increased after 8-week treatment and2 follow-up visits compared with the SCT and TSA groups(P<0.05 or P<0.01).Compared with pre-treatment,the grade distribution of BBS and MBI scores in the 3 groups were significantly improved at 1,2-month treatment and 2 follow-up visits(P<0.05 or P<0.01).The SF,PROM-H,PFOM-K and PROM-A in the IDSA group was significantly increased compared with the SCT and TSA groups after 8-week of treatment(P<0.05 or P<0.01).Compared with the SCT group,ASFA of the IDSA group was significantly reduced after 8-week of treatment(P<0.05).SF,SL,PROM-K and PROM-A were significantly incr展开更多
固定关断角的角度位置控制APC(angular position control)方法在负载和转速变化较大的场合下适应能力较低。为此,提出了一种基于遗传算法的开关磁阻电机SRM(switched reluctance motor)关断角优化策略。结合非线性磁链曲线和实测特定位...固定关断角的角度位置控制APC(angular position control)方法在负载和转速变化较大的场合下适应能力较低。为此,提出了一种基于遗传算法的开关磁阻电机SRM(switched reluctance motor)关断角优化策略。结合非线性磁链曲线和实测特定位置点处的磁链数据,得到优化后磁链准线型模型曲线,推导出电机平均转矩的解析式。利用遗传算法优良的全局搜索寻优能力,将1个电气周期内平均转矩作为优化目标来寻找不同转速及峰值电流下的最佳关断角。仿真结果表明在高速运行时,电机转矩输出能力较固定关断角APC有较大的提升,并通过实验论证了基于遗传算法的关断角优化策略的有效性和可行性。展开更多
基金Supported by Medical Research Fund of Guangdong,China(No.A2020448)Special Fund Support Project for Industrial Development in Dapeng New District,Shenzhen of Guangdong Province,China(No.YL202001-16)Medical and Health Research Fund Project of Medical and Health Group in Dapeng New District,Shenzhen,Guangdong Province,China(No.2019JTYM003,2019JTYM004)。
文摘Objective:To evaluate the effects of interactive dynamic scalp acupuncture(IDSA),simple combination therapy(SCT),and traditional scalp acupuncture(TSA)on motor function and gait of the lower limbs in post-stroke hemiplegia patients.Methods:A total of 231 patients with post-stroke hemiplegia was randomly divided into IDSA(78 cases),SCT(78 cases),and TSA(75 cases)groups by a random number table.Scalp acupuncture(SA)and lower-limb robot training(LLRT)were both performed in the IDSA and SCT groups.The patients in the TSA group underwent SA and did not receive LLRT.The treatment was administered once daily and 6 times weekly for 8 continuous weeks,each session lasted for 30 min.The primary outcome measures included Fugl-Meyer Assessment of the Lower Extremity(FMA-LE),Berg Balance Scale(BBS),Modified Barthel Index(MBI),and 6-min walking test(6 MWT).The secondary outcome measures included stride frequency(SF),stride length(SL),stride width(SW),affected side foot angle(ASFA),passive range of motion(PROM)of the affected hip(PROM-H),knee(PROM-K)and ankle(PROM-A)joints.The patients were evaluated before treatment,at 1-and 2-month treatment,and 1-,and 2-month follow-up visits,respectively.Adverse events during 2-month treatment were observed.Results:Nineteen patients withdrew from the trial,with 8 in the IDSA group,5 in the SCT group,and 6 in the TSA group.The FMA-LE,BBS,6 MWT and MBI scores in the IDSA group were significantly increased after 8-week treatment and2 follow-up visits compared with the SCT and TSA groups(P<0.05 or P<0.01).Compared with pre-treatment,the grade distribution of BBS and MBI scores in the 3 groups were significantly improved at 1,2-month treatment and 2 follow-up visits(P<0.05 or P<0.01).The SF,PROM-H,PFOM-K and PROM-A in the IDSA group was significantly increased compared with the SCT and TSA groups after 8-week of treatment(P<0.05 or P<0.01).Compared with the SCT group,ASFA of the IDSA group was significantly reduced after 8-week of treatment(P<0.05).SF,SL,PROM-K and PROM-A were significantly incr
文摘固定关断角的角度位置控制APC(angular position control)方法在负载和转速变化较大的场合下适应能力较低。为此,提出了一种基于遗传算法的开关磁阻电机SRM(switched reluctance motor)关断角优化策略。结合非线性磁链曲线和实测特定位置点处的磁链数据,得到优化后磁链准线型模型曲线,推导出电机平均转矩的解析式。利用遗传算法优良的全局搜索寻优能力,将1个电气周期内平均转矩作为优化目标来寻找不同转速及峰值电流下的最佳关断角。仿真结果表明在高速运行时,电机转矩输出能力较固定关断角APC有较大的提升,并通过实验论证了基于遗传算法的关断角优化策略的有效性和可行性。
