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In the production process of hydrometallurgy, the concentration and flow rate of the slurry in the dehydration and mixing process have an important influence on the leaching process. However, due to the lack of online hardware analyzers in the dehydration and mixing process, it is difficult to realize the automatic control of the concentration and flow rate of the slurry and the artificial control...
This paper investigates gain scheduling control strategy for ORC (organic Rankine cycle) based WHECSs (waste heat energy conversion systems) over a wide range of operating conditions. A low order physical model is first developed for ORC based WHECSs. Then the nonlinear dynamics of the WHECS are formulated by an affine LPV (linear parameter varying) system. The generated offline LPV system is characterized...
There are extensive risks in the aquatic products cold chain. Based on the characteristics of aquatic products, Special conditions and equipment needed for aquatic products cold chain construction, this study establishes index system which reflects the production, processing, transportation, sales and other influence factors. The study determines the weight of each index by using the analytical hierarchy...
In this paper, we consider the control of large-scale processes with both input and state couplings. A distributed model predictive control (MPC) strategy for tracking based on the reference trajectories is presented. The proposed distributed MPC strategy requires decomposing a large-scale system into several smaller ones and solving convex optimization problems independently. Distributed MPC tracking...
In this paper, we propose a cost-effective way to improve the performance of DRAM based on multi-core system. A novel DRAM controller with instruction prefecthing mechanism is introduced. The controller dynamically selects Open Page(OP) or Close Page(CP) policy by getting some information of future accesses in advance. This DRAM controller with dynamic policy based on instruction prefetching(DP_BIF),...
This paper presents a novel pipeline memory controller based on multi-core network processing. This pipeline controller includes six level pipeline operations which can reduce access latency and provide bank and row address relationship of two adjacent instructions in advance. The controller would take a dynamic memory access policy according to the address relationship got from the pipelines operations...
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