scholarly journals Mathematical Simulations and On-Road Experimentations of the Vibration Energy Harvesting from Mining Dump Truck Hydro-Pneumatic Suspension

2019 ◽  
Vol 2019 ◽  
pp. 1-16 ◽  
Author(s):  
Wenguang Wu ◽  
Sha Zhang ◽  
Zhiyong Zhang
Keyword(s):  
Energy Harvesting ◽  
Vibrational Energy ◽  
Average Power ◽  
Open Pit ◽  
Dissipated Energy ◽  
Dump Truck ◽  
Oil Consumption ◽  
Vibration Energy Harvesting ◽  
Pneumatic Suspension ◽  
Dissipation Power

Running on an unpaved road, the truck’s vibration is weakened by the HPS (hydro-pneumatic suspension) and transformed into thermal energy which was finally dissipated in the air. This paper is aimed to discuss the energy harvesting potential from the truck HPS on random road excitation. In this manner, a quarter-truck model was built and the kinetic energy method that can be used to calculate the power of the dissipated energy was proposed. The dissipated instantaneous power (The peak value is 180 kW) and average power (12 kW) were analyzed which showed 15-fold of difference. The different road class analysis results showed that the E-class road excited 4-fold of power than that of D-class road. The influence of damping and stiffness on the dissipation power was analyzed. The results showed that the power excited by the D-class road is less sensitive than the E-class road. Furthermore, it is interesting that the results also show that the value of average dissipated power when running on E-class road is very close to the speed value, respectively. The real road test of the truck was carried out in an open pit mine and verified the simulation results. The final results demonstrated that the vibrational energy that harvested from the HPS could reduce oil consumption by about 4% in theory.

A Creative Vibration Energy Harvesting System to Support a Self-Powered Internet of Thing (IoT) Network in Smart Bridge Monitoring

2020 ◽  
Author(s):  
Saman Farhangdoust ◽  
Claudia Mederos ◽  
Behrouz Farkiani ◽  
Armin Mehrabi ◽  
Hossein Taheri ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Cantilever Beam ◽  
Average Power ◽  
Electrical Energy ◽  
Laser Vibrometer ◽  
Stay Cable ◽  
Fe Modelling ◽  
Vibration Energy Harvesting ◽  
Piezoelectric Energy ◽  
Energy Harvesting System

Abstract This paper presents a creative energy harvesting system using a bimorph piezoelectric cantilever-beam to power wireless sensors in an IoT network for the Sunshine Skyway Bridge. The bimorph piezoelectric energy harvester (BPEH) comprises a cantilever beam as a substrate sandwiched between two piezoelectric layers to remarkably harness ambient vibrations of an inclined stay cable and convert them into electrical energy when the cable is subjected to a harmonic acceleration. To investigate and design the bridge energy harvesting system, a field measurement was required for collecting cable vibration data. The results of a non-contact laser vibrometer is used to remotely measure the dynamic characteristics of the inclined cables. A finite element study is employed to simulate a 3-D model of the proposed BPEH by COMSOL Multiphasics. The FE modelling results showed that the average power generated by the BPEH excited by a harmonic acceleration of 1 m/s2 at 1 Hz is up to 614 μW which satisfies the minimum electric power required for the sensor node in the proposed IoT network. In this research a LoRaWAN architecture is also developed to utilize the BPEH as a sustainable and sufficient power resource for an IoT platform which uses wireless sensor networks installed on the bridge stay cables to collect and remotely transfer bridge health monitoring data over the bridge in a low-power manner.

Vibration Energy Harvesting of a Hydraulic Engine Mount Using a Turbine

2010 ◽  
Author(s):  
Omid Mohareri ◽  
Siamak Arzanpour
Keyword(s):  
Energy Harvesting ◽  
Vibration Isolation ◽  
Vibration Suppression ◽  
Low Cost ◽  
Dissipated Energy ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Engine Mounts ◽  
Harvesting Technique ◽  
Engine Mount

The hydraulic engine mount (HEM) has been designed to provide a vibration isolation characteristic to control road and engine induced vibrations in vehicles by using two fluid passages known as decoupler and inertia track. These types of engine mounts are known for their best noise, vibration, and harshness (NVH) suppression performance among other different types of engine mounts. However, a low cost technique to recycle the dissipated energy of the system in the process of vibration suppression is significantly advantageous. A novel design structure in which the decoupler is replaced with a water turbine to capture and restore the vibration energy of the system is presented in this paper. The turbine design and selection has been done based on the upper and lower chamber pressures and the fluid flow rates in the system’s resonant frequency. The mount vibration isolation and energy generation performance is studied in both frequency and time domains. The simulation results demonstrate that a considerable amount of energy can be harvested from the engine vibration sources. This recent study demonstrates a novel energy harvesting technique in vehicles that require minimum design modifications of conventional hydraulic mounts.

scholarly journals Examination of Vibration Energy Harvesting in an Automobile

2021 ◽  
Author(s):  
Abhishek Bhardwaj ◽  
SHIVAM SHANDILYA ◽  
Vijeet Singh
Keyword(s):  
Energy Harvesting ◽  
Manufacturing Industry ◽  
Vibrational Energy ◽  
Waste Heat ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Suspension Systems ◽  
Shock Absorbers ◽  
Electromagnetic Generators ◽  
Energy Dissipated

As observed in day-to-day life, driving on a bumpy road generates vibrational energy in an automobile which is then dissipated by the shock absorbers. But lately, as we progress into the energy-depleting, energy concern awake era, energy efficiency has been a serious concern within the automobile manufacturing industry since the production within the 1900s, researchers realized that the energy dissipated in traditional hydraulic shock absorbers is merit being recovered only within the middle of 1990s. Unlike traditional suspension systems which suppress the vibrations by dissipating the vibration energy into waste heat, the regenerative suspension with energy harvesting shock absorbers can convert the traditionally wasted energy into electricity. Several different techniques followed for the energy harvesting are listed and Two main devices namely rotary and linear electromagnetic generators are analyzed for comfort and handling, body acceleration with and without a generator, and also attempts is made to enunciate the importance of energy conservation techniques in an automobile.

Axial Suspension Compliance and Compression for Enhancing Performance of a Nonlinear Vibration Energy Harvesting Beam System

2015 ◽  
Vol 138 (1) ◽  
Author(s):  
R. L. Harne ◽  
K. W. Wang
Keyword(s):  
Energy Harvesting ◽  
Average Power ◽  
Vibration Energy Harvesting ◽  
Biologically Inspired ◽  
Frequency Spectra ◽  
Electromechanical Transduction ◽  
Two Factors ◽  
Harvesting Systems ◽  
Environmental Vibration ◽  
Theory And Experiments

Developing energy harvesting platforms that are strongly sensitive to the low and diffused frequency spectra of common environmental vibration sources is a research objective receiving great recent attention. It has been found that utilizing designs and incorporating structural influences that induce small values of linear stiffness may considerably enhance the power generation capabilities of energy harvesting systems. This research examines these two factors in new light toward the development of a biologically-inspired energy harvesting beam platform that exploits axial compressive effects and compliant suspensions. Through theory and experiments, it is found that the strategic exploitation of such characteristics promotes dramatic improvements in the average power that may be generated for the same excitation conditions. Examining the origin of these performance enhancements, it is seen that large compliance in the compressed axial suspensions facilitates a favorable redistribution of dynamic energy, which thereby enables greater bending of the harvester beam and increased electromechanical transduction.

Non-Lead Based Piezoelectric Thin Films: Materials and Energy Harvesting Device

2011 ◽  
Vol 2011 (CICMT) ◽  
pp. 000033-000036
Author(s):  
Seung-Hyun Kim ◽  
Alice Leung ◽  
Eun Young Lee ◽  
Lindsay Kuhn ◽  
Wenyan Jiang ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Energy Harvesting ◽  
Average Power ◽  
Low Frequency ◽  
Vibration Energy Harvesting ◽  
Piezoelectric Thin Films ◽  
Chemical Solution Deposition Method ◽  
Dense Microstructure ◽  
Low Frequency Vibration

Non-lead based piezoelectric thin films of (K,Na)(Nb,Ta)O3–BiFeO3 (NKNT-BF) were successfully fabricated by the chemical solution deposition method. Small concentration of BF (5 mol %) added into NKNT films led to a fully dense microstructure and enhanced dielectric and piezoelectric properties compared to pure NKNT films. The measured dielectric constant and piezoelectric d33 values were around 575 and 50 pC/N, respectively. A thin film NKNT-BF piezoelectric cantilever with a micromachined Si proof mass was fabricated for a low frequency vibration energy harvesting device. The average power and the power density of NKNT-BF energy harvesting cantilever with the device volume of 0.007 cm3 were 1.82 μW and 260 μW/cm3 at the resonance frequency of 130 Hz and the acceleration of 0.75 G. Even if these values were somewhat inferior to those of the conventional PZT energy harvesting device, NKNT-BF thin film provided the promising results as an alternative material of PZT for the piezoelectric MEMS applications in the future.

scholarly journals Examination of Vibration Energy Harvesting in an Automobile

2021 ◽  
Author(s):  
Abhishek Bhardwaj ◽  
SHIVAM SHANDILYA ◽  
Vijeet Singh
Keyword(s):  
Energy Harvesting ◽  
Manufacturing Industry ◽  
Vibrational Energy ◽  
Waste Heat ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Suspension Systems ◽  
Shock Absorbers ◽  
Electromagnetic Generators ◽  
Energy Dissipated

As observed in day-to-day life, driving on a bumpy road generates vibrational energy in an automobile which is then dissipated by the shock absorbers. But lately, as we progress into the energy-depleting, energy concern awake era, energy efficiency has been a serious concern within the automobile manufacturing industry since the production within the 1900s, researchers realized that the energy dissipated in traditional hydraulic shock absorbers is merit being recovered only within the middle of 1990s. Unlike traditional suspension systems which suppress the vibrations by dissipating the vibration energy into waste heat, the regenerative suspension with energy harvesting shock absorbers can convert the traditionally wasted energy into electricity. Several different techniques followed for the energy harvesting are listed and Two main devices namely rotary and linear electromagnetic generators are analyzed for comfort and handling, body acceleration with and without a generator, and also attempts is made to enunciate the importance of energy conservation techniques in an automobile.

Simply supported FPEDs connected by springs for broadband energy harvesting

2020 ◽  
Vol 64 (1-4) ◽  
pp. 201-210
Author(s):  
Yoshikazu Tanaka ◽  
Satoru Odake ◽  
Jun Miyake ◽  
Hidemi Mutsuda ◽  
Atanas A. Popov ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Evaluation Method ◽  
Energy Harvester ◽  
Vibrational Energy ◽  
Functional Materials ◽  
Vibration Energy ◽  
Theoretical Evaluation ◽  
Vibration Energy Harvester ◽  
Polyvinylidene Difluoride ◽  
Simply Supported

Energy harvesting methods that use functional materials have attracted interest because they can take advantage of an abundant but underutilized energy source. Most vibration energy harvester designs operate most effectively around their resonant frequency. However, in practice, the frequency band for ambient vibrational energy is typically broad. The development of technologies for broadband energy harvesting is therefore desirable. The authors previously proposed an energy harvester, called a flexible piezoelectric device (FPED), that consists of a piezoelectric film (polyvinylidene difluoride) and a soft material, such as silicon rubber or polyethylene terephthalate. The authors also proposed a system based on FPEDs for broadband energy harvesting. The system consisted of cantilevered FPEDs, with each FPED connected via a spring. Simply supported FPEDs also have potential for broadband energy harvesting, and here, a theoretical evaluation method is proposed for such a system. Experiments are conducted to validate the derived model.

Dynamic modeling of a galloping structure equipped with piezoelectric wafers and energy harvesting

2019 ◽  
Vol 67 (3) ◽  
pp. 142-154 ◽  
Author(s):  
M. Y. Abdollahzadeh Jamalabadi ◽  
Moon K. Kwak
Keyword(s):  
Energy Harvesting ◽  
Cantilever Beam ◽  
Vibrational Energy ◽  
Virtual Work ◽  
Power Level ◽  
Closed Form Solutions ◽  
Multi Scale ◽  
Rigid Mass ◽  
Piezoelectric Wafer ◽  
Piezoelectric Wafers

This study presents the analytical solution and experimental investigation of the galloping energy harvesting from oscillating elastic cantilever beam with a rigid mass. A piezoelectric wafer was attached to galloping cantilever beam to harvest vibrational energy in electric charge form. Based on Euler-Bernoulli beam assumption and piezoelectric constitutive equation, kinetic energy and potential energy of system were obtained for the proposed structure. Virtual work by generated charge and galloping force applied onto the rigid mass was obtained based on Kirchhoff's law and quasistatic assumption. Nonlinear governing electro-mechanical equations were then obtained using Hamilton's principle. As the system vibrates by self-exciting force, the fundamental mode is the only one excited by galloping. Hence, multi-degreeof-freedom equation of motion is simplified to one-degree-of-freedom model. In this study, closed-form solutions for electro-mechanical equations were obtained by using multi-scale method. Using these solutions, we can predict galloping amplitude, voltage amplitude and harvested power level. Numerical and experimental results are presented and discrepancies between experimental and numerical results are fully discussed.

Vibrational Energy Harvesting Devices

2010 ◽  
Vol 2 (2) ◽  
pp. 80-92
Author(s):  
Rupesh Patel ◽  
Atanas A. Popov ◽  
Stewart McWilliam
Keyword(s):  
Energy Harvesting ◽  
Vibrational Energy ◽  
Energy Harvesting Devices ◽  
Vibrational Energy Harvesting
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