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The paper presents a new driving mechanism made of SMA (Shape Memory Alloy), with which the robot is designed with advantages of light weight, compact structure, less joints, easily machined, etc. The robot is driven by energy which transformed by compression spring using SMA actuator when heating or cooling, and which is composed of SMA spring, friction spring strips and Maxon serve DC electromotor...
The effect of the Aharanov-Bohm potential on the optical polaron is discussed. In the case of the small magnetic flux the continuous limit is taken and the analytic solution is given. The parameters of the soliton-type solution, such as the height and width of wave packet, the travelling velocity, the lattice deformation and the total energy, is showed to be dependent on the magnetic flux.
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