It provides links on various topics on microstrip patch antenna. Rectangular microstrip patch antenna for wireless communications at 6. The effect of the conductivity of the host structure on the wireless monitoring efficiency is also considered. A rectangular microstrip patch antenna was used as the strain sensing element of a realtime wireless vibratory strain sensing system with a dynamic interrogator using a frequencymodulated continuous wave radar 23. The new antenna sensor works based on the meandered microstrip patch antennas. The patch antennas are popular for low profile applications at frequencies above 100mhz. This article chooses an rt5880 rectangular patch antenna for strain measurement, focusing on its sensing performance. Antenna sensors in passive wireless sensing systems.
Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. However, the wireless interrogation range of these sensors is limited to few centimeters, which restricts their practical application. Microstrip patch sensor antenna for relative permittivity. The theoretical relationship between the antenna resonance frequency shifts, the temperature, and the applied strain was established. Abstractin this paper the feasibility of using a circular microstrip patch antenna to detect strain has been investigated. A block diagram illustrating the working principle of our sensing system is presented in figure 1. Pdf circular microstrip patch antenna strain sensor for. Passive wireless smartskin sensor using rfidbased folded patch antennas. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. Wireless strain measurement using circular microstrip patch antennas.
Advantages and disadvantages of microstrip patch antenna. Patch antenna sensor rosettes for surface strain measurement. In this paper miniaturization of a microstrip patch strain sensor mpss using fractal geometry was proposed and analyzed. A circular microstrip patch antenna is designed and fabricated to work at 1. The theoretical model shows a linear relationship between strain and the shift in the resonant frequency of the antenna in any material. Through computational simulation using the hfss software package and experimental measurements we have shown that the resonant frequency of cmpas can be resolved wirelessly by measuring the s 11 of a standard horn antenna.
Circular microstrip patch antenna strain sensor for wireless structural health. For the construction of the antennas it has been used microstrip antenna technology, because it has been demonstrated that it is suitable for these applications due to their many advantages such as low profile and weight, easy integration with printed circuits. Microstrip patch antennas being popular because of light weight, low volume, thin profile configuration which can be made conformal. For distinguishing the influence of deformation in the antennas length direction and width direction, the numerical simulation is implemented, and then two kinds of laboratory experiments are conducted.
The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or some other common shape. A wireless passive sensing system for displacement strain measurement in reinforced concrete members. The ultimate intention of this work is to configure antennas for the detection of relatively small damage zones in structures and to do so wirelessly. Kamran ghorbani, circular microstrip antenna strain sensor for wireless structural health monitoring, proceedings of the world congress of engineering, vol 2.
It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks. H and tslotted rectangular microstrip patch antennas for. Development of a strain measurement method utilizing a. These are very low size antennas having low radiation.
The microstrip patch is preferred antenna structures for low cost, low profile, light weight, conformal shaping, high efficiency and compact design for the wireless system. A compact single feed circularly polarized microstrip antenna is proposed to achieve symmetric radiation pattern over a wide range of observation angles. Pdf in this paper the feasibility of using a circular microstrip patch antenna to detect strain. Design of microstrip patch antenna for wlan applications. The theoretical model shows a linear relationship between strain and the shift in the resonant frequency of the antenna. All mechanical structures are subjected to deformation and cracks, due to fatigue, stress, andor environmental factors.
The wireless measurement technique for microstrip patch antenna strain sensors proposed in 5 was further investigated in 6. Bandwidth enhancement of microstrip patch antenna using. Wireless strain and crack sensing using a folded patch antenna. Pdf circular microstrip patch antenna strain sensor for wireless. In this research, it was shown that by using carefully selected techniques, the resonant frequency of circular microstrip patch antennas can be detected and measured wirelessly. Typical radiation pattern of microstrip antenna the patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or some other common shape. Strain measurement in composite materials using microstrip. Chapter 4 design of phi shaped microstrip patch antenna 35 in ie3d 4. Conformal microstrip antennas and microstrip phased arrays. Ghorbani, wireless strain measurement using circular microstrip patch antennas, sensors and. Wireless strain measurement using circular microstrip patch. Antennas using patches as constitutive elements in an array are also possible. Mutation probabilitybased lion algorithm for design and. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna.
Microstrip patch antenna for simultaneous strain and temperature. A highsensitivity antenna sensor for twodimensional. Circular microstrip patch antenna strain sensor for. It is, therefore, of uttermost importance to monitor the mechanical condition of critical structures, in order to prevent catastrophic failures, but also to minimize maintenance costs, i. Multidirectional circular microstrip patch antenna strain. It is shown that strain can be measured wirelessly in any desired direction using a linearly polarised horn antenna, up. Analysis and design of circular microstrip patch antenna at 5. However, the difficulties in structure size and design remain a major concern. Wireless passive rfid crack width sensor for structural. Hence, this paper aims to propose a new model that derives a nonlinear objective model for helping in the design of solution space of.
Structural health monitoring sensor for deformation measurement of bended. Microstrip patch antenna for simultaneous strain and. In the contacting method, the rf power is fed directly to the radiating patch using a connecting element such as a microstrip line. Quality factor effect on the wireless range of microstrip patch antenna strain sensors article pdf available in sensors 141. Proceedings of the world congress on engineering, london, uk. A design procedure is outlined which leads to practical designs of circular microstrip antennas. Daliri a et al 2010 circular microstrip patch antenna strain sensor for wireless structural health monitoring. An additional resonance is introduced by the crr to broaden the bandwidth. In this article, the feasibility of using a circular microstrip patch antenna to measure strain and the effects of different materials on sensitivity of the patch antenna are investigated. A compact singlefeed circularly polarized microstrip.
The microstrip line consists of pattern on one side of the dielectric substrate and ground plane on the other side of it. Design, fabrication and comparison of microstrip antennas. Substrate height and dielectric constant dependent. Substrate height and dielectric constant dependent performance analysis of circular microstrip patch array antennas for broadband wireless access.
A circular patch antenna has been designed and fabricated to work at 1. The strain directional characteristics for the two resonant frequencies of a circular microstrip patch antenna were analyzed 24. A novel wireless strain measurement technique using circular microstrip patch antenna cmpa sensors is proposed. Abstract due to the existence of growth in development of low cost, less weight, highly reliable, minimal profile antennas for wireless. Circular microstrip patch antenna strain sensor for wireless structural health monitoring. The operating principle of the patch antenna for strain measurement was published previously and is summarized in the appendix. Wireless strain measurement using circular microstrip patch antennas article in sensors and actuators a physical 184. Sep 01, 2012 wireless interrogation of circular microstrip patch antennas cmpas for strain sensing is investigated by experimental measurements and computational simulations. It is shown that strain can be measured wirelessly in any desired direction using a linearly polarised horn antenna. The wireless sensing system comprises a sensing probe that is attached on the rebars inside a reinforced concrete member such as a beam or column and an external interrogating antenna. Wireless strain measurement using circular microstrip patch antennas a daliri, a galehdar, s john, ch wang, wst rowe, k ghorbani sensors and actuators a. In this paper the feasibility of using a circular microstrip patch antenna to detect strain has been investigated. This is due to their capability to deliver temporal information about structural elements in a completely. Transverse deformation effect on sensitivity of strain.
In case of satellite communication circularly polarized radiation patterns are required and can be realized using either square or circular patch with one or two feed points. By a daliri, a galehdar, s john, c wang, w rowe and k ghorbani. It was shown that regardless of the material used for the fabrication of the antenna sensor there was a linear relationship between strain and the resonant frequency of the cmpa. Circular microstrip patch antenna strain sensor for wireless. Compared with the mpa without the crr, the bandwidth of the proposed antenna. However, the wireless interrogation range of these sensors is limited to.
Structurally robust and light weight a microstrip antenna msa in its simplest form consists of a radiating patch on one side of a dielectric substrate and a ground plane on the other side. This thesis will focus on the development of designs which retain the advantages of microstrip patch antenna while improving its horizontal radiation. Thomson et al demonstrated wireless interrogation of a passive radio frequency rf cavity strain sensor at a distance of 8 m thomson et al 2009 while rfid radiofrequency identificationbased folded patch antennas can be wirelessly interrogated for strain measurement from 1. A patch antenna, consisting of a radiation patch, a dielectric substrate. A wireless passive sensing system for displacement strain. Microstrip patch antenna meets all requirements and various types of microstrip antennas have been designed for use in mobile communication systems. Hence, this paper aims to propose a new model that derives a nonlinear objective model for helping in the design of solution. Parametric studies were conducted to illustrate the working principle of the proposed antenna. Microstrip patch antennas can be fed by a variety of methods 1, 2. For more detailed discussions on the characterization of the microstrip patch antennas for strain measurements, the reader should refer to the published paper tata et al 2009.
Design and development of microstrip patch antenna with. Wireless interrogation of circular microstrip patch antennas cmpas for strain sensing is investigated by experimental measurements and computational. Microstrip patch strain sensor miniaturization using sierpinski. The basics of patch antennas, updated orban microwave. Development of a strain measurement method utilizing a rectangular microstrip patch antenna. The measurement of strain can be done by using patch antenna as strain sensors. Circular microstrip patch antennas cmpas are one of the promising devices to measure strain in different aerospace materials both conductive and nonconductive.
The advantages and performance of microstrip patch antennas mpa namely, reduced weight, reduced profile, and reduced cost formulate them the ideal choice for communication networks. Wireless strain sensor based on amorphous carbon for humanmotion. Measurement science and technology recent citations. The main objective of this paper is to investigate the feasibility of using circular and rectangular slotted microstrip patch antenna as a strain sensor for structural health monitoring without these afore. In currently available sensors only the wireless range. The theoretical model shows a linear relationship between strain and the shift in. In order to surmount these shortcomings, rectangular microstrip patch antennas were designed, manufactured and utilized as strain sensors to detect the structural strains, and the detailed. Comparative study of microstrip rectangular patch antenna on. Rectangular dgs loaded circular microstrip patch antenna for. As reported in literature, wireless measurement is most often used. Comparative study of microstrip rectangular patch antenna.
K 2012 wireless strain measurement using circular microstrip patch. To eliminate the wires in sensing system, many wireless strain sensors have been developed. Sep 27, 2019 the advantages and performance of microstrip patch antennas mpa namely, reduced weight, reduced profile, and reduced cost formulate them the ideal choice for communication networks. It is threefold more sensitive than previously proposed circular microstrip patch antenna strain sensors.
Wireless strain measurement using circular microstrip. In this thesis, new designs are proposed to develop a horizontally polarized microstrip patch antennas for 2. Design of a novel passive wireless integrated sawbased. A circular microstrip antenna sensor for direction sensitive strain evaluationmicrostrip patch antenna for simultaneous strain and temperature sensing f mbanya tchafa and h huangthis content was downloaded from ip address 207. Also, the overall physical dimension of the new antenna sensor is reduced by the factor of five. Batteryless wireless interrogation of microstrip patch. Wireless communication systems applications circular polarization antenna is placing vital role. For this purpose, the transducer of sierpinski curve geometry was utilized and compared with the most commonly utilized rectangular resonatorbased one. In order to reduce the radiation aperture and consequently broaden the circular polarization cp and the half power beamwidth hpbw of the antenna, a partially etched superstrate and a conducting cavity are employed in the design. The current sensor is able to detect strain in all directions. Development of microstrip patch antenna strain sensors for. In order to surmount these shortcomings, rectangular microstrip patch antennas were designed, manufactured and utilized as strain sensors to detect the structural strains, and the detailed experimental setup was presented as well.
In this research, it was shown that by using carefully selected techniques, the resonant frequency of circular microstrip patch antennas can. Msas are also known as patch antennas or printed ante. Quality factor effect on the wireless range of microstrip. Wireless displacement sensing enabled by metamaterial. Utilising microstrip patch antenna strain sensors for. Rectangular dgs loaded circular microstrip patch antenna. The meandered circular microstrip patch antenna exhibited a threefold increase in sensitivity and a fivefold reduction in its physical size, when compared to the simple circular patch. In the last decade, the idea of using microstrip antennas for strain assessment was introduced. These methods can be classified into two categories contacting and noncontacting. Wireless interrogation of circular microstrip patch antennas cmpas for strain sensing is investigated by experimental measurements and computational simulations. This paper presents an investigation on the effect of circular. Microstrip patch strain sensor miniaturization using. A circular microstrip antenna sensor for direction sensitive strain.
The most common type of microstrip antenna is the patch antenna. Daliri a, galehdar a, john s, wang c h, rowe w s t and ghorbani k 2012 wireless strain measurement using circular microstrip patch antennas sensors actuators a. A wireless passive sensing system for displacementstrain. Applied strain causes a change in patch geometry and influences current.
A number of technologies and systems can be used for. A patch antenna is a narrowband, widebeam antenna fabricated by etching the antenna element pattern in metal trace bonded to an insulating dielectric substrate, such as a printed circuit board, with a continuous metal layer bonded to the opposite side. Patch antennas have been studied not only for wireless communication, but also for. In, circular microstrip patch antennas cmpas were proposed as potential wireless passive strain sensors for shm applications. The antenna radiation reflected lesser in antenna with fss layer by 7. By using these results the microstrip patch antenna have been designed using the simulation software hfss. In particular, the meandered circular microstrip patch antenna was shown to have localised and omnidirectional strain measurement capabilities.
Bandwidth enhancement of designed dual band cmpa get enhanced using rectangular shaped defected ground structuredgs. A saw delay line scheme is proposed for signal modulation, which could distinguish the backscattered data from environmental clutter in time domain. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. Design and development of microstrip patch antenna with circular. Also the effect of strain direction on the frequency shift is studied. Rectaangular microstrip patch antenna for wireless. A novel passive wireless integrated sawbased antenna sensor for strain sensing is presented in this paper. Both sensors were designed for the same resonant frequency value 2. A large number of displacement and strain measurement technologies have been reported in the literature, and it has been identified that sensors that leverage remote measurement via wireless monitoring are of higher importance 17. Microstrip antennas are designed to have many geometrical shapes and dimensions but rectangular and circular microstrip patches have been used in many application. The patch antennas are pasted on the aluminum plates, and the plates are loaded by a testing machine. Recently introduced passive wireless strain sensors based on microstrip patch antennas have shown great potential for reliable health and usage monitoring in aerospace and civil industries.
322 1289 728 196 981 346 955 981 450 1309 1109 917 1520 66 795 812 684 47 719 208 572 1361 574 1138 656 1470 218