Declining estrogen levels can trigger severe pain in the lower lumbar region. The lower back pain due to estrogen deficiency can best be described as excruciating pain which radiates down the buttocks and legs. The incapacitating lower back pain may also hamper every day tasks.
A Position vector is a vector that describes position of a point in space. Often the position of such a point is nothing but the x,y, and z coordinates of the point with origin as the reference point. The direction of such a vector is the arrow or...
The Position Loop controller receives the command (PCMD), subtracts it with the actual motor position (PFB), and forwards the result as a position error (PE) signal. This position error is fed through a PID compensator and presented as the velocity command (VCMD) to the Velocity Loop controller. The position loop samples at a rate of 2 kHz.