College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330027, China;
College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330027, China;
College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330027, China;
College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330027, China;
three-order Lagrangian equations; pseudo-Hamilton canonical equations; time rate of change of force;