In this paper, the development of the drive system of the motor Wire port Crane
according to the principle of the indirect field orientation.
Require the operation of the port Crane operations, different operation situations of
variable speed and
Torque with time, which is a case dynamic electro and electro-magnetic
transient, may affect the performance of operations, so therefore been building motor Wire
port Crane operations system corps in winches achieve:
- High performance and Efficiency.
- Build the desired control system according to the principle of the Pulse Width
Modulation (PWM) and the main power system, taking into account the reduction of
changes DC-Link voltage and achieve maximum flux before starting the motor.
- Reduction of excess Voltage that may appear on a DC-Link, using the brake
Transistor with Brake resisters.
At the end of the research has been reviewed and the search results that indicate the
outstanding performance of the proposed system with the ability to use the same system to
run automated processes different.
This research includes a geodetic study for the rehabilitation of damaged bridge
cranes axes, its reconstruction and calibration in order to invest in the production process.
The beginning was devoted to studying the types of bridge cranes used in
large factories,
geodetic methods used in their construction, and the conditions that must be achieved by
axes. Based on the previous conditions, we have proposed a geodetic method to
rehabilitate cranes. Also, a computer program has been prepared to implement the
proposed mechanism by (mat lab). Testing the proposed method I has been done with the
program on actual examples. The program was tested in two main cases:
-First: When installing bridge cranes axes,
-Second: In the periodic monitoring (systematic control) for bridge cranes.
The research has proved the possibility of using the proposed method in
rehabilitation, installation, periodic monitoring. It also has showed the efficiency of the
proposed computer program.
