"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
|6950029||Airflow blockage detection apparatus for a permanent split-capacitor single-phase fan motor|
An airflow blockage detection apparatus for a permanent split-capacitor single-phase cooling fan motor measures and compares electrical currents in main and auxiliary windings of the motor to detect airflow blockage. Main and auxiliary current sensors detect AC curr...
|6084374||Controller and filter used therein|
The controller comprises (a) an interpolation calculator for dividing move data of a robot arm tip position into each sample period, the data fed from a position teaching section, (b) a load inertia calculator, (c) a gravity torque calculator, (d) acceler...
|5767646||Method of and apparatus for detecting anomalous running of motor|
A method of and an apparatus for quickly detecting an anomalous running of a motor. In a motor control system which executes a speed loop process by feeding back a speed of the motor and also a position loop process by feeding back a position of a mechani...
|4961036||System for controlling a working shaft|
The inventive system for controlling a working shaft includes a layout for the time to number conversion, wherein a divider is provided to divide with use of a pulse rate outputted from the memory storage, and the shaft driver is operated by output from s...