FIG. 1 is a diagram of the circuit used to enhance the range of speed control for the velocity servo system in accordance with the invention. DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to FIG. 1, the invention will now be explained. In accordance with the invention, the velocity ...
Two、faultanalysisandmaintenance Duetotheservoandtrackingservoistheradialservoservo, theformerisfine,thelatteriscoarseservo,therelationship betweenthemmoreclosely,therefore,putthemtogetherfor analysis.TheKenwoodDP-49forexample,inFigure8-9for thetrackingservocircuitdiagram. TrackingandservoDP49processareasfollows:...
circuit diagram of single chip computer in standard textbooks is generally a weak relay device. Most of them work at 5V or even lower. The driving current is below the mA level. It is obviously not feasible to use it in some high-power situations, such as controlling the motor. Therefore...
The timing diagram of FIG. 2 illustrates this wherein at time t.sub.0 the speed of the stepping motor 12 is designated as V.sub.0. At time t.sub.1, the flag changes state causing the stepping motor speed to accelerate from speed V.sub.0 to V.sub.1. Then, in a manner described...
FIG. 3 is an electrical schematic diagram of a preferred embodiment for a pulse separator incorporated as a part of the input control circuit shown in FIG. 2; and FIG. 4 is a series of time graphs illustrating various voltage waveforms for the pulse separator shown in FIG. 3. ...
One of the reasons for its popularity is an online database called EPLAN Data Portal. Here, component manufacturers store so-called macros for their products – building blocks in a uniform data format that can be dragged and dropped into the digital circuit diagram – without any adjustmen...
Here the input signals (V1and V2) are applied to the base of the transistors while the output is collected across their collector terminals (Vo1and Vo2). The circuit diagram for a BJT differential amplifier is shown below: In this case, if the V1at Q1is sinusoidal, then as V1goes on...
The aim of this paper is to address the problem of the electronic implementation of chaos control using a single controller and synchronization of chaotic permanent magnet synchronous motor (PMSM). Firstly, different dynamical behaviors of the PMSM including steady state, periodic and chaotic behaviors...
2.1. Overview of Proportional Valve A proportional valve is usually composed of a proportional coil, a permanent magnet, a valve body, a valve core, a spring, and so on. Figure 1 depicts the schematic diagram of a proportional relief valve (type: Atos RZMO-RES-P-BC-010). The maximum pr...
FIG. 6 is a block diagram of brushless motor drive control apparatus according to one embodiment of the present invention in a motor driver unit used in a hard disk storage device; FIG. 7 is a block diagram of a brushless motor drive control apparatus according to one embodiment of the pre...