| 摘要 |
PURPOSE:To measure vibromotive force at high accuracy by calculating acceleration around the center of gravity of an object from at least six parallel acceleration obtained from an acceleration sensor, and calculating six components of force around the center of gravity, and calculating vibromotive force of the object. CONSTITUTION:The vibromotive force measuring device is provided with an elastic supporting system 2 that supports an engine 1, an object of measurement, acceleration sensors 3, 3... attached on the surface of the engine 1 at plural positions in one of three directions, X, Y, Z, and a computer 4 that introduces detection signals of acceleration sensors 3 and makes specified arithmetic processing. The result of operation of the computer 4 is displayed in CRT 5, and necessary indication is operated to the computer 4 by a keyboard 6. A rotation sensor 7 that detects rotational frequency of the engine 1 and a top sensor 8 that detects top position of the engine 1 are provided opposite to each other on a gear 10 attached to a crank shaft 9 which is a driving shaft of the engine 1. |
