Kidney pain. American Kidney Fund. http://www.kidneyfund.org/kidney-disease/kidney-problems/kidney-pain.html. Accessed Jan. 14, 2017. Steinman TI, et al. Pain syndromes in autosomal dominate polycystic kidney disease. http://www.uptodate.com/home. Accessed Jan. 14, 2017. Kidney infection (pyelonephritis).
static system. Also found in: Encyclopedia. statÂ·ic sysÂ·tem. that part of the neuromuscular system whereby the animal organism is maintained in posture and equilibrium and counteracts the forces of gravity and atmospheric pressure; distinguished from the kinetic system (2).
Static Control System. an automatic control system in which the error in the steady state is usually not equal to zero and depends on the load on the controlled system. Figure 1. Figure 1 shows a block diagram of a single-loop static control system consisting of a controlled system and a control unit. The latter consists of a measuring transducer, automatic controller, and actuating mechanism. The control action x2 (t) and external disturbances f(t) act on the controlled system.