Reducing Energy Consumption of Pneumatic Artificial Muscles With Component Integration

2011 ◽  
Author(s):  
Daniel Christ ◽  
Tad Driver ◽  
Xiangrong Shen
Keyword(s):  
Energy Consumption ◽  
Energy Savings ◽  
Artificial Muscle ◽  
Dead Volume ◽  
Artificial Muscles ◽  
Interior Space ◽  
Component Integration ◽  
Energy Consumption Analysis ◽  
Custom Made ◽  
Saving Effect

Pneumatic artificial muscle (PAM) is a class of flexible muscle-like actuator with low structure weight and high power density. In this paper, an integrated PAM design is presented, which incorporates peripheral elements, especially the control valves, in the interior space of the actuator to reduce the size and complexity of the entire system. More importantly, the incorporated components are expected to largely eliminate the dead volume in the PAM actuator, and improve its energy efficiency. An energy consumption analysis is presented, which estimates the maximum percentage of achievable energy savings. A practical design, incorporating standard poppet valves is also presented. To demonstrate the energy saving effect of the proposed design, experiments were conducted with a commercial PAM actuator modified to incorporate a solid bar. Experimental results indicate an energy savings of up to 13%, which is expected to increase significantly with the custom-made integrated PAM actuators in the future.

scholarly journals Research on the Comprehensive Performance of Hygroscopic Materials in an Office Building Based on EnergyPlus

Energies ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 191 ◽  
Author(s):  
Shui Yu ◽  
Yumeng Cui ◽  
Yifei Shao ◽  
Fuhong Han
Keyword(s):  
Energy Consumption ◽  
Moisture Content ◽  
Life Cycle Cost ◽  
Energy Savings ◽  
Initial Moisture Content ◽  
Office Building ◽  
Weak Links ◽  
Energy Consumption Analysis ◽  
Passive Materials ◽  
Moisture Buffering

This paper presents the research status of hygroscopic materials, points out the weak links as targets for major breakthroughs, and introduces humidifying mechanisms and their categories. In this paper, we simulated a single-monomer Shenyang office building with different envelopes of inner-surface hygroscopic materials for indoor humidity conditions, energy consumption, and economy, which are three aspects of energy consumption analysis in EnergyPlus software. To obtain the best moisture buffering performance from hygroscopic materials, we also simulated different cases including the laying area, ventilation strategy, thickness, and initial moisture content of different hygroscopic materials. The humidity fluctuation, with changes in the style of hygroscopic materials and usage conditions, of a room in a building can be analyzed by numerical simulation. This allows the determination of the best moisture buffering performance of the building structure. The results show that hygroscopic materials have great advantages in three energy saving aspects of building assessment. Hygroscopic materials can regulate indoor air humidity and reduce energy consumption. In addition, the entire life-cycle cost can be minimized. Lower rates of air exchange and larger usable areas can help enhance the level of performance of hygroscopic materials. The thickness and initial moisture content of hygroscopic materials have little impact on the moisture buffering value. This study strived to provide a theoretical basis and technical guidance for the production and installation of hygroscopic materials. It also promoted the passive materials market and the building’s energy savings. The best moisture buffering performance, evaluated at room level in this paper, can be obtained through real-world environmental simulation.

scholarly journals The effect of architectural façade design on energy savings in the student dormitory

2014 ◽  
Vol 18 (3) ◽  
pp. 979-988 ◽  
Author(s):  
Petar Pejic ◽  
Dusan Petkovic ◽  
Sonja Krasic
Keyword(s):  
Energy Consumption ◽  
Energy Savings ◽  
Natural Light ◽  
Energy Costs ◽  
Student Activities ◽  
Energy Consumption Analysis ◽  
Shading Devices ◽  
Major Factors ◽  
New Student ◽  
Work And Life

There are many reasons for adequate use of natural light inside students' dormitories. Intensity of light required for student activities and temperature inside the rooms are the major factors for an occupant's comfortable work and life. Design of building fa?ades has a significant impact both on the use of natural light and energy consumption. In this paper, a comparative analysis of student rooms with different orientations and different fa?ade designs was performed in order to investigate what type of refurbishment in the fa?ade is necessary. The goal of the refurbishment was generation of optimal thermal and lighting comfort for students' work with maximal energy saving for a new student dormitory in Nis, Serbia. An analysis of annual energy consumption of the newly designed student dormitory and proposed replacements on the exterior fa?ade was performed by using the software EnergyPlus. Based on the energy consumption analysis it could be concluded that significant energy savings would be possible by upgrading the shading devices across the width of the window. In other words, changing the fa?ade of the dorm could generally improve students' comfort, while the energy costs would be reduced.

Thermal & Energy Consumption Analysis of New Sustainable Building Material Applied to Commercial Office Building in Beijing

2012 ◽  
Vol 193-194 ◽  
pp. 526-532 ◽  
Author(s):  
Miao Zhang
Keyword(s):  
Energy Consumption ◽  
Building Material ◽  
Mineral Wool ◽  
Office Building ◽  
Sustainable Building ◽  
Energy Consumption Analysis ◽  
New Material ◽  
Save Energy ◽  
Saving Effect ◽  
Google Sketchup

This paper aims to figure out whether or not the new sustainable building material mineral wool could save energy consumption from commercial office building. Professional software such as EnergyPlus, Google SketchUp was used to simulate the thermal and energy-saving effect of this new material. The final results show that after the application of mineral wool, 28.05% (114.23GJ) energy consumption is able to be saved by the large commercial office building located in Beijing, within which 88%(139.27GJ) heating could be reduced

Strategy of Intelligent Energy-Saving Optimization Control and Energy Consumption Analysis on Regulator Control System of Closed Greenhouse

2014 ◽  
Vol 666 ◽  
pp. 184-187
Author(s):  
Min Gyu Zhang ◽  
Guang Hua Wu ◽  
Feng Liu
Keyword(s):  
Energy Consumption ◽  
Energy Saving ◽  
Control Strategy ◽  
Energy Optimization ◽  
Saving Rate ◽  
Integration Strategy ◽  
Energy Consumption Analysis ◽  
Optimization Control ◽  
Optimizing Control ◽  
Saving Effect

Adopting the integrated TOPSIS intelligent energy optimization control strategy, and compared to conventional single control strategy on energy consumption of greenhouse equipment under closed condition, this paper arrives at the best energy saving optimization control strategy with comprehensive benefits. The result shows that, integrated intelligent optimizing control was obviously more energy saving compared to those did not take optimization control. Specific results as follows: TOPSIS integration strategy with energy saving of 725.39kwh, energy-saving rate of 44.19%.This shows that the proposed integrated intelligent energy optimization control strategy and energy saving effect is remarkable.

The Study of Energy Savings of Separation Quaternary Mixture with Thermally Coupled Distillation

2011 ◽  
Vol 79 ◽  
pp. 59-64
Author(s):  
Qing Ye ◽  
Lei Du
Keyword(s):  
Energy Consumption ◽  
Energy Saving ◽  
Capital Investment ◽  
Energy Savings ◽  
Feed Composition ◽  
Thermally Coupled Distillation ◽  
Quaternary Mixture ◽  
Reduce Energy Consumption ◽  
Saving Effect

The thermally coupled distillation configuration (TCDS) could reduce energy consumption and capital investment compared with conventional distillation sequences. But their use was still limited. The five kinds of conventional distillation sequences and five kinds of thermally coupled distillation sequences were performed in separation of quaternary mixtures with distillation rigorous simulations. The energy savings of a series of thermally coupled distillation sequences were compared. The results showed that the feed composition and ease of separation of the composition have great effect on the choice of the thermally coupled sequences. In the most cases, the TCDS with side rectifier or striper had the more energy saving effect.

Saving Primary Energy Consumption Through Exergy Analysis of Combine Distillation and Power Plant

2012 ◽  
Vol 9 (2) ◽  
pp. 65
Author(s):  
Alhassan Salami Tijani ◽  
Nazri Mohammed ◽  
Werner Witt
Keyword(s):  
Energy Consumption ◽  
Power Plant ◽  
Heat Pump ◽  
Heat Recovery ◽  
Energy Savings ◽  
Primary Energy ◽  
Heat Pumps ◽  
Saturated Steam ◽  
Distillation Unit ◽  
Primary Energy Consumption

Industrial heat pumps are heat-recovery systems that allow the temperature ofwaste-heat stream to be increased to a higher, more efficient temperature. Consequently, heat pumps can improve energy efficiency in industrial processes as well as energy savings when conventional passive-heat recovery is not possible. In this paper, possible ways of saving energy in the chemical industry are considered, the objective is to reduce the primary energy (such as coal) consumption of power plant. Particularly the thermodynamic analyses ofintegrating backpressure turbine ofa power plant with distillation units have been considered. Some practical examples such as conventional distillation unit and heat pump are used as a means of reducing primary energy consumption with tangible indications of energy savings. The heat pump distillation is operated via electrical power from the power plant. The exergy efficiency ofthe primary fuel is calculated for different operating range ofthe heat pump distillation. This is then compared with a conventional distillation unit that depends on saturated steam from a power plant as the source of energy. The results obtained show that heat pump distillation is an economic way to save energy if the temperaturedifference between the overhead and the bottom is small. Based on the result, the energy saved by the application of a heat pump distillation is improved compared to conventional distillation unit.

Energy savings potential of new aeration system: Full scale trials

2012 ◽  
Vol 7 (4) ◽  
Author(s):  
A. Lazić ◽  
V. Larsson ◽  
Å. Nordenborg
Keyword(s):  
Control System ◽  
Energy Consumption ◽  
Total Energy ◽  
Energy Savings ◽  
Treatment Plant ◽  
Full Scale ◽  
Total Energy Consumption ◽  
Aeration System ◽  
Fine Bubble ◽  
Aeration Control

The objective of this work is to decrease energy consumption of the aeration system at a mid-size conventional wastewater treatment plant in the south of Sweden where aeration consumes 44% of the total energy consumption of the plant. By designing an energy optimised aeration system (with aeration grids, blowers, controlling valves) and then operating it with a new aeration control system (dissolved oxygen cascade control and most open valve logic) one can save energy. The concept has been tested in full scale by comparing two treatment lines: a reference line (consisting of old fine bubble tube diffusers, old lobe blowers, simple DO control) with a test line (consisting of new Sanitaire Silver Series Low Pressure fine bubble diffusers, a new screw blower and the Flygt aeration control system). Energy savings with the new aeration system measured as Aeration Efficiency was 65%. Furthermore, 13% of the total energy consumption of the whole plant, or 21 000 €/year, could be saved when the tested line was operated with the new aeration system.

scholarly journals Modeling Energy LED Light Consumption Based on an Artificial Intelligent Method Applied to Closed Plant Production System

2021 ◽  
Vol 11 (6) ◽  
pp. 2735
Author(s):  
Ernesto Olvera-Gonzalez ◽  
Martín Montes Rivera ◽  
Nivia Escalante-Garcia ◽  
Eduardo Flores-Gallegos
Keyword(s):  
Energy Consumption ◽  
Energy Savings ◽  
Nonlinear Models ◽  
Light Emitting Diode ◽  
Red Light ◽  
Green Light ◽  
Plant Production ◽  
Production Plant ◽  
Light Component ◽  
Gp Model

Artificial lighting is a key factor in Closed Production Plant Systems (CPPS). A significant light-emitting diode (LED) technology attribute is the emission of different wavelengths, called light recipes. Light recipes are typically configured in continuous mode, but can also be configured in pulsed mode to save energy. We propose two nonlinear models, i.e., genetic programing (GP) and feedforward artificial neural networks (FNNs) to predict energy consumption in CPPS. The generated models use the following input variables: intensity, red light component, blue light component, green light component, and white light component; and the following operation modes: continuous and pulsed light including pulsed frequency, and duty cycle as well energy consumption as output. A Spearman's correlation was applied to generate a model with only representative inputs. Two datasets were applied. The first (Test 1), with 5700 samples with similar input ranges, was used to train and evaluate, while the second (Test 2), included 160 total datapoints in different input ranges. The metrics that allowed a quantitative evaluation of the model's performance were MAPE, MSE, MAE, and SEE. Our implemented models achieved an accuracy of 96.1% for the GP model and 98.99% for the FNNs model. The models used in this proposal can be applied or programmed as part of the monitoring system for CPPS which prioritize energy efficiency. The nonlinear models provide a further analysis for energy savings due to the light recipe and operation light mode, i.e., pulsed and continuous on artificial LED lighting systems.

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