Research has been conducted on dry coal selection technology to achieve efficient and clean utilization of coal and reduce water resource waste.To investigate the effective separation of 6-1 mm fine coal using this ap...Research has been conducted on dry coal selection technology to achieve efficient and clean utilization of coal and reduce water resource waste.To investigate the effective separation of 6-1 mm fine coal using this approach,the vibrating cascade sorter was examined,with particular attention given to its dynamic characteristics and motion behavior.Dry coal vibrating cascade sorter motion simulation experiments were carried out and the mechanical system motion characteristics of the vibrating cascade sorter were simulated and analyzed using multi-body dynamics software ADAMS,including the motion curve and spatial trajectory of the sorter body.Theoretical calculations of the sorter body’s motion characteristics,including displacement amplitude,velocity amplitude,and acceleration amplitude,were compared with simulation results derived from multi-body dynamics.The comparison revealed a strong agreement between the computational model and analytical predictions,with a maximum deviation of less than 3.75%.The dynamic behavior of the vibrating cascade sorter at various rotational speeds was evaluated and contrasted against predictive models,with the highest discrepancy between the observed and predicted outcomes being less than 7.6%.展开更多
An improved high-resolution current-mode sorter is presented.Its structure complexity is O(N),which is crucial to the expansion of its size,and its dynamic range is large.Only one clock signal and one reset signal are...An improved high-resolution current-mode sorter is presented.Its structure complexity is O(N),which is crucial to the expansion of its size,and its dynamic range is large.Only one clock signal and one reset signal are needed.No biasing signal is required.The operation point is constructed according to the input current,so it is self-adaptive,which is very important for an all-purpose component.In average value circuit,subtraction circuit,Winner-Take-All(WTA) circuit and control circuit,it has good performance even at a large input current.This sorter has high precision,high resolution and low power,as has been proved via HSPICE simulation.It can be implemented in the standard digital CMOS technology and widely used in many fields,so it is of great value in applications.展开更多
The mode sorter is the crucial component of the communication systems based on orbital angular momentum(OAM).However,schemes proposed so far can only effectively sort integer OAM(IOAM)modes.Here,we demonstrate the eff...The mode sorter is the crucial component of the communication systems based on orbital angular momentum(OAM).However,schemes proposed so far can only effectively sort integer OAM(IOAM)modes.Here,we demonstrate the effective sorting of fractional OAM(FOAM)modes by utilizing the coordinate transformation method,which can convert FOAM modes to IOAM modes.The transformed IOAM modes are subsequently sorted using a mode conversion method called topological charge matching.The validation of our scheme is verified by implementing two FOAM sorting processes and corresponding mode purity analyses,both theoretically and experimentally.This new sorting method exhibits great potential for implementing a highly confidential and high-capacity FOAM-based communication and data storage system,which may inspire further applications in both classical and quantum regimes.展开更多
文摘Research has been conducted on dry coal selection technology to achieve efficient and clean utilization of coal and reduce water resource waste.To investigate the effective separation of 6-1 mm fine coal using this approach,the vibrating cascade sorter was examined,with particular attention given to its dynamic characteristics and motion behavior.Dry coal vibrating cascade sorter motion simulation experiments were carried out and the mechanical system motion characteristics of the vibrating cascade sorter were simulated and analyzed using multi-body dynamics software ADAMS,including the motion curve and spatial trajectory of the sorter body.Theoretical calculations of the sorter body’s motion characteristics,including displacement amplitude,velocity amplitude,and acceleration amplitude,were compared with simulation results derived from multi-body dynamics.The comparison revealed a strong agreement between the computational model and analytical predictions,with a maximum deviation of less than 3.75%.The dynamic behavior of the vibrating cascade sorter at various rotational speeds was evaluated and contrasted against predictive models,with the highest discrepancy between the observed and predicted outcomes being less than 7.6%.
文摘An improved high-resolution current-mode sorter is presented.Its structure complexity is O(N),which is crucial to the expansion of its size,and its dynamic range is large.Only one clock signal and one reset signal are needed.No biasing signal is required.The operation point is constructed according to the input current,so it is self-adaptive,which is very important for an all-purpose component.In average value circuit,subtraction circuit,Winner-Take-All(WTA) circuit and control circuit,it has good performance even at a large input current.This sorter has high precision,high resolution and low power,as has been proved via HSPICE simulation.It can be implemented in the standard digital CMOS technology and widely used in many fields,so it is of great value in applications.
基金supported by the National Natural Science Foundation of China(Grant Nos.12192252 and 12374314)the National Key Research and Development Program of China(Grant No.2023YFA1407200).
文摘The mode sorter is the crucial component of the communication systems based on orbital angular momentum(OAM).However,schemes proposed so far can only effectively sort integer OAM(IOAM)modes.Here,we demonstrate the effective sorting of fractional OAM(FOAM)modes by utilizing the coordinate transformation method,which can convert FOAM modes to IOAM modes.The transformed IOAM modes are subsequently sorted using a mode conversion method called topological charge matching.The validation of our scheme is verified by implementing two FOAM sorting processes and corresponding mode purity analyses,both theoretically and experimentally.This new sorting method exhibits great potential for implementing a highly confidential and high-capacity FOAM-based communication and data storage system,which may inspire further applications in both classical and quantum regimes.
