A Collaborative Neurodynamic Optimization Approach to Distributed Chiller Loading
Summary
This study introduces a novel neurodynamic optimization method for efficient distributed chiller loading, effectively handling complex power functions and constraints. The approach improves energy management in multi-chiller systems.
Area of Science:
- Engineering
- Computer Science
- Operations Research
Background:
- Distributed chiller systems face challenges with nonconvex power consumption and cardinality constraints.
- Optimizing chiller loading is crucial for energy efficiency and operational cost reduction.
Purpose of the Study:
- To develop a collaborative neurodynamic optimization approach for distributed chiller loading.
- To address nonconvex objective functions and binary variables in optimization problems.
Main Methods:
- Formulated a cardinality-constrained distributed optimization problem using an augmented Lagrangian function.
- Developed a collaborative neurodynamic optimization method with coupled recurrent neural networks.
- Employed a meta-heuristic rule for repeated reinitialization of neural networks.
Main Results:
- Demonstrated the efficacy of the proposed approach on two multi-chiller systems.
- Showcased superior performance compared to several baseline methods.
- Validated the approach using manufacturer-provided chiller system parameters.
Conclusions:
- The collaborative neurodynamic optimization method effectively solves distributed chiller loading problems with nonconvexities.
- The approach offers a promising solution for enhancing energy efficiency in complex chiller systems.
Related Concept Videos
Distributed Loads: Problem Solving
686
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
686
Distributed Loads
564
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
564
Relation Between the Distributed Load and Shear
724
Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
724
Maximum Power Flow and Line Loadability
147
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
147
Maxwell-Boltzmann Distribution: Problem Solving
1.6K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.6K
Thermal expansion and Thermal stress: Problem Solving
1.2K
San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
1.2K


