Three-Dimensional Mid-Air Acoustic Manipulation by Ultrasonic Phased Arrays
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{"title"=>"Three-dimensional mid-air acoustic manipulation by ultrasonic phased arrays", "type"=>"journal", "authors"=>[{"first_name"=>"Yoichi", "last_name"=>"Ochiai", "scopus_author_id"=>"36454884800"}, {"first_name"=>"Takayuki", "last_name"=>"Hoshi", "scopus_author_id"=>"12794953600"}, {"first_name"=>"Jun", "last_name"=>"Rekimoto", "scopus_author_id"=>"6603848632"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84901336126", "scopus"=>"2-s2.0-84901336126", "doi"=>"10.1371/journal.pone.0097590", "pui"=>"373161031", "arxiv"=>"1312.4006", "issn"=>"19326203", "pmid"=>"24849371"}, "id"=>"0781226c-b2a6-36b2-b705-8aa42beb16b6", "abstract"=>"The essence of levitation technology is the countervailing of gravity. It is known that an ultrasound standing wave is capable of suspending small particles at its sound pressure nodes. The acoustic axis of the ultrasound beam in conventional studies was parallel to the gravitational force, and the levitated objects were manipulated along the fixed axis (i.e. one-dimensionally) by controlling the phases or frequencies of bolted Langevin-type transducers. In the present study, we considered extended acoustic manipulation whereby millimetre-sized particles were levitated and moved three-dimensionally by localised ultrasonic standing waves, which were generated by ultrasonic phased arrays. Our manipulation system has two original features. One is the direction of the ultrasound beam, which is arbitrary because the force acting toward its centre is also utilised. The other is the manipulation principle by which a localised standing wave is generated at an arbitrary position and moved three-dimensionally by opposed and ultrasonic phased arrays. We experimentally confirmed that expanded-polystyrene particles of 0.6 mm and 2 mm in diameter could be manipulated by our proposed method.", "link"=>"http://www.mendeley.com/research/threedimensional-midair-acoustic-manipulation-ultrasonic-phased-arrays", "reader_count"=>114, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Student > Doctoral Student"=>3, "Researcher"=>14, "Student > Ph. D. Student"=>30, "Student > Postgraduate"=>3, "Student > Master"=>37, "Other"=>4, "Student > Bachelor"=>16, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Student > Doctoral Student"=>3, "Researcher"=>14, "Student > Ph. D. Student"=>30, "Student > Postgraduate"=>3, "Student > Master"=>37, "Other"=>4, "Student > Bachelor"=>16, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>3, "Agricultural and Biological Sciences"=>4, "Arts and Humanities"=>1, "Chemistry"=>4, "Computer Science"=>12, "Energy"=>1, "Engineering"=>64, "Materials Science"=>3, "Medicine and Dentistry"=>1, "Design"=>1, "Neuroscience"=>1, "Physics and Astronomy"=>18, "Social Sciences"=>1}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>3}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Social Sciences"=>{"Social Sciences"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>18}, "Unspecified"=>{"Unspecified"=>3}, "Arts and Humanities"=>{"Arts and Humanities"=>1}, "Design"=>{"Design"=>1}, "Engineering"=>{"Engineering"=>64}, "Chemistry"=>{"Chemistry"=>4}, "Neuroscience"=>{"Neuroscience"=>1}, "Energy"=>{"Energy"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>4}, "Computer Science"=>{"Computer Science"=>12}}, "reader_count_by_country"=>{"Belgium"=>1, "Japan"=>2, "Luxembourg"=>1, "Finland"=>1, "United Kingdom"=>1, "Slovenia"=>1, "France"=>2, "Germany"=>3}, "group_count"=>5}

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/1506370"], "description"=>"<p>(Left) Levitation and manipulation of particles with the vertical setup shown in <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0097590#pone-0097590-g003\" target=\"_blank\">Figure 3</a>. (Right) Scooping up and holding particles with the horizontal setup in which all the ultrasonic beams are horizontally radiated.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles"], "article_id"=>1033494, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g004", "stats"=>{"downloads"=>1, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Manipulation_of_particles_/1033494", "title"=>"Manipulation of particles.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1506372"], "description"=>"<p>The horizontal axis shows the maximum acceleration (cm/s<sup>2</sup>) within back-and-forth motion. The blue, red, and green lines show the results of 0.6 mm, 1.0 mm, and 2.0 mm, respectively. (Left) The vertical axis shows the average number of times (the duration divided by the periodic time). (Right) The vertical axis shows the average duration of suspension [s]. Both show the same experimental results.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles", "experiments", "sizes"], "article_id"=>1033496, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g005", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Results_of_stability_experiments_on_different_sizes_of_particles_/1033496", "title"=>"Results of stability experiments on different sizes of particles.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1506356"], "description"=>"<p>This figure is obtained based on Eqs. (1) and (2). The horizontal axes <i>x/w</i> and <i>z/λ</i> are the radial and axial directions of the beam, respectively. The vertical axis is the normalized potential energy. The gradient of this distribution gives the force on a small particle.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles", "ultrasonic"], "article_id"=>1033481, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g001", "stats"=>{"downloads"=>1, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Potential_energy_distribution_of_ultrasonic_standing_wave_/1033481", "title"=>"Potential energy distribution of ultrasonic standing wave.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1506357"], "description"=>"<p>(Left) The phased array modules are operated by a computer via USB. (Middle) Each driving circuit board consists of three components; USB I/F, FPGA, and Driver ICs. (Right) Each phased array module has 285 ultrasonic transducers.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles"], "article_id"=>1033482, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g002", "stats"=>{"downloads"=>3, "page_views"=>25, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Phased_array_modules_/1033482", "title"=>"Phased array modules.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1506358"], "description"=>"<p>The size of system is 520(height)×520 mm(width)×250 mm(depth). The focal point is set in the center of workspace. The labels of axis are shown in the figure: x-axis and z-axis are parallel to the device plane and y-axis is vertical to the device plane. We inserted the particles at the third node of beams that is parallel to x-axis in the stability experiments.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles"], "article_id"=>1033483, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g003", "stats"=>{"downloads"=>1, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Illustration_and_photograph_of_system_setup_/1033483", "title"=>"Illustration and photograph of system setup.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}
  • {"files"=>["https://ndownloader.figshare.com/files/1506374"], "description"=>"<p>The horizontal axis shows the maximum acceleration (cm/s<sup>2</sup>) within back-and-forth motion. The green, blue, red lines show the results of along x-, y-, and z-axes. (Left) The vertical axis shows the average number of times (the duration divided by the periodic time). (Right) The vertical axis shows the average duration of suspension [s]. Both show the same experimental results.</p>", "links"=>[], "tags"=>["Electrical engineering", "Electronics engineering", "Computer engineering", "Control engineering", "physics", "Particle physics", "Elementary particle interactions", "Fundamental interactions", "Classical mechanics", "motion", "Acoustics", "Gravitation", "Physical laws and principles", "experiments", "directions"], "article_id"=>1033498, "categories"=>["Biological Sciences"], "users"=>["Yoichi Ochiai", "Takayuki Hoshi", "Jun Rekimoto"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0097590.g006", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Results_of_stability_experiments_on_different_directions_of_movement_/1033498", "title"=>"Results of stability experiments on different directions of movement.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-05-21 03:39:01"}

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Relative Metric

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