نتایج جستجو برای: programmable logic controllers
تعداد نتایج: 205092 فیلتر نتایج به سال:
Industrial plants are controlled using sequence control programs running on programmable controllers. Sequence control program design has been carried out manually, and an increase in applications of pro-grammable controllers has caused a shortage of programmers. Therefore , automatic programming systems are strongly required in this field. Controllers receive operation signals from plant opera...
In order to develop, test, and validate system control software for managing flexible manufacturing systems, most laboratories have constructed an experimental testbed using actual manufacturing equipment. These experimental systems typically occupy a large amount of lab space, cost hundreds of thousands of dollars to construct, and require considerable human expertise to operate. In addition, ...
The control of flexible manufacturing systems (FMS’s) is generally characterised by logical and sequential functions under the auspices of a programmable logic controller (PLC). Operational faults associated with control processes are often confusing to maintenance personnel at workshop level. This has resulted in the development of automatic diagnosis techniques. In this paper two generic diag...
In this work, we present an industrial cold walled Atomic Layer Deposition (ALD) system, which can be controlled by either a traditional programmable logic controller (PLC) system or field-programmable gate array (FPGA) prototyping board. This work presents FPGA that takes ladder diagram (LD) control for PLC and converts to Verilog HDL programs such the board is used real application. We explor...
This paper discusses the Dynamic voltage restorer (DVR) operation and control for Voltage sags compensation. DVR is a series connected power electronic based device that can quickly mitigate the voltage sags in the system and restore the load voltage to the pre-fault value. Voltage sag associated with faults in transmission and distribution systems, energizing of transformers, and starting of l...
The ever-increasing number of network-capable devices places a massive burden on modern networks. Communication infrastructure should provide quality-of-service essentials in terms high-bandwidth capacity, scalability, resiliency, and security. Programmable networks are viewed as the prevailing method encountering challenges introduced by accelerated expansion. ability software-defined networki...
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