Class information for:
Level 2: ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
22 4 AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS 457813
605 3       ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR 14256
620 2             ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR 14256
1097 1                   ENERGY HARVESTING//ENERGY HARVESTER//VIBRATION ENERGY HARVESTING 2887
1521 1                   SMART STRUCTURES//ACTIVE VIBRATION CONTROL//STRU ON 2635
2904 1                   FLEXURE HINGE//PIEZOELECTRIC ACTUATOR//COMPLIANT MECHANISM 2148
8997 1                   ULTRASONIC MOTOR//PIEZOELECTRIC MOTOR//ULTRASONIC LINEAR MOTOR 1227
9111 1                   PIEZOCOMPOSITE//1 3 COMPOSITES//PIEZOELECTRIC COMPOSITES 1216
12186 1                   MORPHING WING//MORPHING STRUCTURES//MORPHING SKIN 954
15077 1                   ELECTROMECHANICAL IMPEDANCE//SMART AGGREGATE//ELECTROMECHANICAL IMPEDANCE EMI 759
15177 1                   FLEXTENSIONAL TRANSDUCER//BTECH ACOUST LLC//ADV TECHNOL MFG 753
16900 1                   PIEZOELECTRIC TRANSFORMER//PIEZOELECTRIC TRANSFORMER PT//NONLINEAR PIEZOELECTRIC COEFFICIENT 655
19900 1                   PIEZOELECTRIC SHUNT DAMPING//SYNCHRONIZED SWITCH DAMPING//SHUNT DAMPING 507
23123 1                   ACT STRUCT MAT//LIPCA//THUNDER 379
38029 1                   STRAIN GAUGE FOIL//PIEZOCERAMIC MODULES//ACTIVE COMPOSITE PANELS 71
38298 1                   PIEZOHYDRAULIC ACTUATOR//COMPACT HYBRID ACTUATORS//PIEZOHYDRAULIC PUMP 65

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENERGY HARVESTING authKW 686039 7% 33% 946
2 ULTRASONIC MOTOR authKW 612258 2% 86% 322
3 PIEZOELECTRIC ACTUATOR authKW 601503 4% 52% 527
4 JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES journal 589600 6% 30% 900
5 SMART MATERIALS AND STRUCTURES journal 552728 8% 22% 1151
6 PIEZOELECTRIC authKW 523781 6% 27% 894
7 FLEXURE HINGE authKW 204998 1% 81% 114
8 ENERGY HARVESTER authKW 195269 1% 67% 133
9 ELECTROMECHANICAL IMPEDANCE authKW 186118 1% 95% 89
10 PIEZOELECTRIC TRANSFORMER authKW 173531 1% 76% 103

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Instruments & Instrumentation 64087 22% 1% 3069
2 Acoustics 60833 13% 2% 1790
3 Engineering, Mechanical 35080 17% 1% 2372
4 Mechanics 25693 15% 1% 2209
5 Materials Science, Multidisciplinary 15777 26% 0% 3659
6 Materials Science, Composites 14420 5% 1% 691
7 Engineering, Electrical & Electronic 13475 20% 0% 2853
8 Automation & Control Systems 11276 6% 1% 889
9 Engineering, Aerospace 8822 4% 1% 568
10 Engineering, Manufacturing 5897 4% 1% 544

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTELLIGENT MAT SYST STRUCT 81880 1% 40% 93
2 MECH ENGN 53108 20% 1% 2792
3 STRU ON 46651 0% 81% 26
4 INT ACTUATORS TRANSDUCERS 46649 0% 41% 51
5 NONLINEAR VIBRAT ENERGY HARVESTING NOVEHL 40582 0% 88% 21
6 GENIE ELECT FERROELECT 33932 0% 38% 40
7 PL ACOUST 26051 0% 21% 56
8 LGEF 25240 0% 27% 42
9 ACT STRUCT MAT 23657 0% 71% 15
10 BTECH ACOUST LLC 22270 0% 92% 11

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES 589600 6% 30% 900
2 SMART MATERIALS AND STRUCTURES 552728 8% 22% 1151
3 IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 86802 3% 8% 473
4 SENSORS AND ACTUATORS A-PHYSICAL 58836 4% 5% 522
5 SMART MATERIALS & STRUCTURES 56893 1% 24% 106
6 IEEE-ASME TRANSACTIONS ON MECHATRONICS 41280 1% 9% 208
7 SMART STRUCTURES AND SYSTEMS 31415 1% 13% 111
8 PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY 30761 1% 10% 145
9 ULTRASONICS 25762 2% 5% 221
10 JOURNAL OF SOUND AND VIBRATION 24120 3% 3% 418

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ENERGY HARVESTING 686039 7% 33% 946 Search ENERGY+HARVESTING Search ENERGY+HARVESTING
2 ULTRASONIC MOTOR 612258 2% 86% 322 Search ULTRASONIC+MOTOR Search ULTRASONIC+MOTOR
3 PIEZOELECTRIC ACTUATOR 601503 4% 52% 527 Search PIEZOELECTRIC+ACTUATOR Search PIEZOELECTRIC+ACTUATOR
4 PIEZOELECTRIC 523781 6% 27% 894 Search PIEZOELECTRIC Search PIEZOELECTRIC
5 FLEXURE HINGE 204998 1% 81% 114 Search FLEXURE+HINGE Search FLEXURE+HINGE
6 ENERGY HARVESTER 195269 1% 67% 133 Search ENERGY+HARVESTER Search ENERGY+HARVESTER
7 ELECTROMECHANICAL IMPEDANCE 186118 1% 95% 89 Search ELECTROMECHANICAL+IMPEDANCE Search ELECTROMECHANICAL+IMPEDANCE
8 PIEZOELECTRIC TRANSFORMER 173531 1% 76% 103 Search PIEZOELECTRIC+TRANSFORMER Search PIEZOELECTRIC+TRANSFORMER
9 VIBRATION ENERGY HARVESTING 159561 1% 85% 85 Search VIBRATION+ENERGY+HARVESTING Search VIBRATION+ENERGY+HARVESTING
10 SMART STRUCTURES 158591 1% 35% 203 Search SMART+STRUCTURES Search SMART+STRUCTURES

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 2


rank cluster_id2 link
1 2760 CONSTRAINED LAYER DAMPING//VISCOELASTIC DAMPING//FRACTIONAL DERIVATIVE
2 218 PIEZOELECTRIC PROPERTIES//FERROELECTRICS//RELAXOR
3 82 FREE VIBRATION//COMPOSITE STRUCTURES//COMPUTERS & STRUCTURES
4 2260 TOPOLOGY OPTIMIZATION//STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION//SHAPE OPTIMIZATION
5 2046 BEIJING NANOENERGY NANOSYST//TRIBOELECTRIC NANOGENERATOR//NANOGENERATOR
6 863 ACOUSTICS//ACTIVE NOISE CONTROL//JOURNAL OF SOUND AND VIBRATION
7 2074 INITIAL STRESS//IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL//PIEZOELECT DEVICE
8 1832 TACTILE SENSOR//TELEOPERATION//ROBOTICS
9 990 LAMB WAVES//GUIDED WAVES//ULTRASONICS
10 1023 DAMAGE DETECTION//STRUCTURAL HEALTH MONITORING//DAMAGE IDENTIFICATION

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