One outside edge has scales for 10 and 12 parts to the inch; the other outside edge divides one foot into 100 parts. This form of slide rule was invented by Joshua Routledge, a seller of iron goods, ...

Object Details maker Wager-Smith, Edward Description This paper linear slide rule was designed to assist architects and construction workers with computing the strength of steel beams. There are seven ...

The belt-drive control enables the mechanical system to gain the advantages of lightweight, vibration absorption, and high torque, while it brings strong nonlinear disturbances due to friction, ...

In this paper, an intelligent adaptive jerk control (IAJC) with dynamic compensation gain for the permanent magnet linear synchronous motor (PMLSM) servo system was proposed to improve robustness and ...