Optimal Scheduling of Cooling and Power Combined Supply System for Tropical Renewable Microgrids

Liang, Junyu; Luo, Zhao; Yuan, Xingyu; Geng, Jialu; Liu, Hongzhi; Yang, Jianhua; Dong, Min; Dai, Yinghao

doi:10.1109/access.2021.3071121

Cited by 10 publications

(4 citation statements)

References 36 publications

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“…It aims to maximize or minimize the objective function of the system while meeting the system operational constraints. This method has been used widely in energy management of power grid [34], operation control of machines [35], logistics distribution [36] and so on. Considering the working time constraint, optimization theory would be used in this paper to allocate the hourly rest time, in order to relieve the visual fatigue, as follows:…”

Section: B Optimization Modelmentioning

confidence: 99%

An Optimal Visual Fatigue Relief Method for Workers Considering Rest Time Allocation

2022

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Working under the visual display terminal for several hours may cause serious visual fatigue, resulting in production efficiency decrease, and health damage. To address the problem, an optimal break time allocation strategy for workers considering visual fatigue change has been proposed in this paper. First, based on the existing work, a novel visual fatigue change model is established to depict the impact of the continuous work time. On this basis, according to optimization theory, aiming at minimizing the total visual fatigue level, an optimization model is developed to allocate the hourly break time considering the working demand. Additionally, this model is converted as a classic mixed-integer linear programming (MILP) problem and efficiently solved by Gurobi. Finally, a validation experiment with 20 participators is done to verify the effectiveness and superiority of the proposed strategy. The results show that the proposed visual fatigue change model is able to effectively evaluate the actual visual state of workers and predict the visual fatigue development. Additionally, the proposed rest time optimization strategy is able to significantly reduce the visual fatigue level and improve the visual health.

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Section: B Optimization Modelmentioning

confidence: 99%

An Optimal Visual Fatigue Relief Method for Workers Considering Rest Time Allocation

2022

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“…In the original SSA, the position of U Best is the location of the salp individual with the best fitness value among all salp individuals over the generations. the expression for the dimensionality value of U t Best is shown in Equation (5).…”

Section: 12mentioning

confidence: 99%

“…There have also been some studies on the optimal operation of CCP and its variants. In [5], a novel cooling and power combined supply system (CPCSS) was proposed to minimize the operating costs of micro-grids with a two-phase (day-ahead phase and real-time phase) scheduling strategy. In [6], an optimal scheduling strategy based on the interior point method was proposed to achieve optimal scheduling of an integrated cooling, ice storage and power system and to reduce the system operating costs.…”

Section: Introductionmentioning

confidence: 99%

Enhanced parallel salp swarm algorithm based on Taguchi method for application in the heatless combined cooling‐power system

Shan

Xie

Zhang

et al. 2022

IET Generation Trans & Dist

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Salp swarm algorithm (SSA) is an excellent meta‐heuristic algorithm, which has been widely used in the engineering field. However, there is still room for improvement in terms of convergence rate and solution accuracy. Therefore, this paper proposes an enhanced parallel salp swarm algorithm based on the Taguchi method (PTSSA). The parallel trick is to split the initial population uniformly into several subgroups and then exchange information among the subgroups after a fixed number of iterations, which speeds up the convergence. Communication strategies are an important component of parallelism techniques. The Taguchi method is widely used in the industry for optimizing product and process conditions. In this paper, the Taguchi method is adopted into the parallelization technique as a novel communication strategy, which improves the robustness and accuracy of the solution. The proposed algorithm was also tested under the CEC2013 test suite. Experimental results show that PTSSA is more competitive than some common algorithms. In addition, PTSSA is applied to optimize the operation of a heatless combined cooling‐power system. Simulation results show that the optimized operation provided by PTSSA is more stable and efficient in terms of operating cost reduction.

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“…The absence of favorable environmental conditions is observed in the air conditioning system of classified areas C and D, which are clean areas to carry out less critical phases to manufacture sterile products or develop stages where the product is not directly exposed. For that reason, the inspection of "Good Practices for the Manufacture of Sterile Products," carried out by Auditors of the Company, and the State Center for the Control of Medicines, Medical Equipment and Devices (CECMED), concluded in "non-conformities" due to no fulfillment of the regulations established for air conditioning systems [8]- [10]. Consequently, the design of an automation system for the supervision and control of specific environmental variables for the areas object of study is proposed in this paper following the standard parameters established for air conditioning systems to obtain high-quality productions and save considerable energy.…”

Section: Introductionmentioning

confidence: 99%

Automation of the air conditioning system for aseptic rooms of pharmaceutical production

Álvarez

Vicente²,

Zamora³

et al. 2023

IJPEDS

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<span lang="EN-US">As modern control systems are becoming more complex, and the implemented technology more sophisticated, the importance of the different characteristics of those systems, such as reliability, availability, security, and protection, is increasing. In this article, an automation design for the air conditioning system of classified areas of the Parenteral solutions plant of the eastern pharmaceutical laboratory company of Santiago de Cuba province, Cuba, is proposed because there is a lack of optimal environmental conditions for development and production of pharmaceuticals at a large scale. The proposal is focused on the design of a supervision system and automatic control of the environmental variables that influence the drug production process. The entire algorithm for the design was developed to monitor critical and non-critical variables and control values of temperature, relative humidity, differential pressure, and air velocity according to standards established by pharmaceutical companies. The design of the automation system includes, apart from the control and supervision algorithm for operation efficiency, the necessary instrumentation.</span>

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Optimal Scheduling of Cooling and Power Combined Supply System for Tropical Renewable Microgrids

Cited by 10 publications

References 36 publications

An Optimal Visual Fatigue Relief Method for Workers Considering Rest Time Allocation

An Optimal Visual Fatigue Relief Method for Workers Considering Rest Time Allocation

Enhanced parallel salp swarm algorithm based on Taguchi method for application in the heatless combined cooling‐power system

Automation of the air conditioning system for aseptic rooms of pharmaceutical production

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