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With the analysis of basic properties, this paper proposed a SoC design of Image Process System of Road Mark Recognition (IPSRMR) based on data flow graph (DFG) model and generic regulable NoC (GRNoC). It is provided of properties of data transmission and timing for each resource module with building the system DFG model with analyzing functions and algorithm. The basic method for optimizing resources...
Product quality control and management has been so different in supply chain environment. Companies should control not only their own products but also the products and the factors that influenced the products from their supplier. In this paper, control charts and process capability analysis will be used for the management of supplier quality control to help the supplier reach the needed quality level...
This paper describes the workflow management system and its functional characteristics, gives the formal definition of workflow model. Combined with the present situation of college Party's admission, it discusses the business process of Party's admission, builds a Petri net-based workflow model. Based on Web applications as background, it presents solutions for college Party's admission management...
On the basis of the datum of laminar cooling, rough control on laminar cooling process is brought forward. By the rough set theory, the decision-making table, which includes the diagnostic state and the corresponding control strategy of operator in the laminar cooling control of hot rolling, is reduced. And the rough control rules on the laminar cooling are get. The simulation shows the rules can...
Individual cylinder's spark advance is crucial to the performance, efficiency and emissions of a multi-cylinder spark ignition engine. Through controlling knock strength of each cylinder, spark advance is regulated to an appropriate ignition angle which can cause light knock strength and high efficiency. This paper uses techniques of ASIC, programmable logic and DSC which has a CAN controller to detect...
The paper discusses in detail and implements parallel software system architecture "double master/slave architecture", in which the arrangement of "master/slave node" and the implementation of "master/slave thread" are adopted. The organic collaboration of multi-nodes and multi-threads shall together finish the control logic and calculation logic in the parallel calculation...
Coke oven heating system is the large inertia, nonlinear, time delay, time-varying coupling and models difficult to accurately establish characteristics. A feedforward, feedback and combination of fuzzy adaptive PID control strategy is proposed. A fuzzy controller is designed to achieve. The controller has three kinds of control over the advantages. Coke oven heating system for fast response, anti-disturbance...
A low cost design of PC/104 processor module is presented. In this design, Advanced RISC Machines (ARM) is applied to implement PC/104 bus interface and the embedded Linux operating system is constructed. The proposed processor module design based on ARM and Linux embedded system has the features such as high performance-cost ratio, low power consumption and small space. The practical results show...
The importance of VV & A has been concerned widely. In this paper, a VV & A process model overlay for the development process of a certain guidance simulation system is put forward, and the main purpose, tasks, participant, and usable methods of each activity in VV & A process are focused, after analyzing the functional components and development process of which. The research findings...
With the development of contemporary super scale power system, the method of traditional power flow computing can not meet the requirement in real-time process. This paper uses triangular decomposition parallel algorithms based on the characteristics of power flow calculation, introduces the concept of open systems into parallel computing and avoids deadlock which resulted from the order of matrix...
In order to improve dynamic characteristics of electro-mechanical converter of electro-hydraulic digital valve, a novel low inertia rotating electromagnet with coreless rotor is proposed in this paper. The working principle of traditional multi-pole rotating electromagnet is discussed in detail firstly. Then the structure and magnetic circuit of low inertia rotating electromagnet is present. For the...
A method of intelligent PID control was proved and it's based on RBF neural network and fuzzy theory, which constructs RBF neural network identifier online and identifies a controlled object online by means of adopting the receding horizon optimization methods, and adjusts parameters of PID controller online and realizes decoupling control of multivariable, nonlinear and time variation system. The...
This paper introduces the application of adaptive strategy based on model prediction for the stripe thickness in cold rolling. Without interfering the Automation Gauge Control (AGC) system, self-adaptive strategy of the strip thickness optimal controlled with the Forward-Slide model which is added in the internal model of AGC system. So as to effectively reduce errors of the stripe thickness, improves...
In this paper, introduction of chemical production and its purification is given first. With the analysis of the need of temperature control system, the instrument circuit design is decided. The instrument software is designed by using layered method. Functional modules are programmed such as measurement, man-machine interaction, display, data record. Integral separated PID is used as control methods...
This paper mainly focuses on the design and realization of embedded control system based on ARM kernel. Firstly, hardware structure, configuration and signal detection, processing of the control system based on ARM are described. Secondly, the system application programs, including main control program, user operation interface program, keyboard program and development of drivers for some S3C2410X...
Aimed at the temperature control system of lime to calcine, using the classical PID regulator three parameters need be set up and the system cannot achieve good target value tracking and good disturbance restraining simultaneously. By establishing the model of thermal process in lime kiln, the setpoint filtering two-degree-of-freedom PID regulator is designed with internal model control(IMC) theory...
This article introduce the principle and characteristic of Dual-alkali that extensively used to desulfurize in Small and Medium boiler, adopt Fuzzy-PID control unit, the pH value of clean water that discharged from the Desulfurization cleaner have been effective controlled, therefore, it is arrive at the aim of indirect control of desulfurization efficiency. The actual operation proved that the Fuzzy-PID...
The shop-level information integrated system is the glue of system integration between enterprise upper management systems and the underlying process control systems, the basic of executing enterprises' agile manufacture strategy. The field management and shop information integration are given more and more attention by enterprises, the methods and technologies of traditional shop management can't...
This paper presents a web-based remote process control engineering laboratory for engineering education using configuration software. A set of double holding water tanks apparatus, suitable for remote control experiments, was carefully designed for process control experiments. A series of experiments from characteristics testing of one order process to predictive control of nonlinear system can be...
We present an approach in which the business process in The Fourth Party Logistics (4PL) can be integrated and optimized by using value chain analysis. For the purpose of reducing Bull-whip effect of 4PL, we propose the value chain framework, introduce the value chain calculating method for manufacture, design a business process operation model for 4PL value chain integration simulation, and give...
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