By France Barbara. Car Wiring. Publised at Friday, January 12th 2018, 02:10:06 AM. The starter solenoid has very large contacts to carry the batterys full current. Its wire coil is actuated by a smaller current from the ignition switch, at which time the iron core slams down to make contact and turn on the starter motor. Most non-Ford starter motors employ a solenoid built into the motor itself. This type of solenoid not only provides the motors electrical power but also mechanically engages the starters drive gear onto the flywheel.
By Gaspard Magalie. Electrical Wiring. Published at Friday, February 09th 2018, 18:55:23 PM. When implementing a real-time system, we find a circular buffer critical whether we are using a DSP processor or a general purpose processor (GPP). However, with a GPP we may have to implement the circular buffer in software. As discussed in the previous section, with each new sample, we have to update the pointer which contains the address of the newest sample. With a circular buffer implemented in software, the programmer needs to take care of updating the buffer pointers after each read and write operation. When the pointer reaches the end of the buffer, the program must wrap the pointer back to the beginning of the buffer.
By France Barbara. Motor Wiring. Published at Friday, February 09th 2018, 10:50:14 AM. Positioning servomechanisms were first used in military fire-control and marine navigation equipment. Today servomechanisms are used in automatic machine tools, satellite-tracking antennas, remote control airplanes, automatic navigation systems on boats and planes, and antiaircraft-gun control systems. Other examples are fly-by-wire systems in aircraft which use servos to actuate the aircraft control surfaces, and radio-controlled models which use RC servos for the same purpose. Many autofocus cameras also use a servomechanism to accurately move the lens. A hard disk drive has a magnetic servo system with sub-micrometre positioning accuracy. In industrial machines, servos are used to perform complex motion, in many applications.
By Cyrille Lothaire. Motor Wiring. Published at Friday, January 26th 2018, 19:25:31 PM. Stepper motors are like a servo motor in that they move to a spot and hold their position. But they can also spin like a DC and Brushless Motor. They can not hold their position as strongly as a servo motor, and they can not spin as fast as a brushed or brushless motor.
By Cyrille Lothaire. Electrical Wiring. Published at Wednesday, January 24th 2018, 21:46:51 PM. Splices may be used within 30cm of a termination device when attaching to the pigtail spare lead of a potted termination device, to splice multiple wires to a single wire, or to adjust the wire sizes so that they are compatible with the contact crimp barrel sizes.
By Olivier Constance. Car Wiring. Published at Monday, January 22nd 2018, 10:14:47 AM. If possible, use an insulated in-line crimp connector. Test each mended wire with a circuit tester and battery, connected to the nearest connectors either side of the mend. Re-wrap the exposed section of the loom with self-adhesive or "clingfilm" PVC insulating tape. Put some layers between the exposed section and adjoining wires - not merely a cover over the top - then fit the loom back into the car. Reconnect all terminals and clips, then test all the electrical components involved.
By Dorian Yannic. Car Wiring. Published at Monday, January 22nd 2018, 02:43:27 AM. Cut out all the damaged wires with wire cutters. Spread out the cuts across a bundle of several wires: if many joins are opposite each other their bulk may make it difficult to fit the loom into the car. If possible, replace wiring with new wire of the same colour. The new wire must be the right size: there are five sizes, depending on current rating. Repairs in wrapped sections of the loom are the only places where you may join wires by twisting them together and soldering the joint mainly because there may not be room for any other method.
By France Barbara. Car Wiring. Published at Friday, January 19th 2018, 18:09:19 PM. It is commonly known as the BENDIX type of solenoid. Such solenoids operate in three stages, the disengaged, partially engaged and engaged. In the disengaged position the drive gear is released and no current is flowing. In the partially engaged stage, current from the starter switch flows through both the pull-in and the hold-in coils.
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