High-speed pressure sensor grid for humanoid robot foot

Traditional blast ammunition has a steel casing which turns into dangerous fragments after detonation. These steel fragments may kill civilians outside of the target. In order to adapt the need of fighting in an urban environment without hurting innocent bystanders in the process, one new kind of low collateral damage ammunition is put forward. The configuration and operational principle of this ammunition are introduced. From theoretical analysis it can be found the blast power is mainly determined by the metal powder. The effect of the metal powder’s type and magnitude on blast power is studied from static explosion test. In the test the overpressure curve is measured by the pressure sensor. The killing radius is computed from the sector target using the 25mm deal board. The initial casting velocity of the metal powder is obtained from the high speed photography. The results show tungsten powder is suitable for the low collateral damage ammunition, its diameter is about 50um. In this circumstance this ammunition can reduce collateral damage, however the damage effect is higher in the smaller area.

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Force, Reaction Time, and Precision of Kung Fu Strikes

Perceptual and Motor Skills ◽

10.2466/pms.109.1.295-303 ◽

2009 ◽

Vol 109 (1) ◽

pp. 295-303 ◽

Cited By ~ 12

Author(s):

Osmar Pinto Neto ◽

Marcos Tadeu Tavares Pacheco ◽

Richard Bolander ◽

Cynthia Bir

Keyword(s):

Reaction Time ◽

Body Mass ◽

Pressure Sensor ◽

Martial Arts ◽

High Speed ◽

Load Cell ◽

Men And Women ◽

Kung Fu ◽

Force Reaction ◽

Force Data

The goal was to compare values of force, precision, and reaction time of several martial arts punches and palm strikes performed by advanced and intermediate Kung Fu practitioners, both men and women. 13 Kung Fu practitioners, 10 men and three women, participated. Only the men, three advanced and seven intermediate, were considered for comparisons between levels. Reaction time values were obtained using two high speed cameras that recorded each strike at 2500 Hz. Force of impact was measured by a load cell. For comparisons of groups, force data were normalized by participant's body mass and height. Precision of the strikes was determined by a high speed pressure sensor. The results show that palm strikes were stronger than punches. Women in the study presented, on average, lower values of reaction time and force but higher values of precision than men. Advanced participants presented higher forces than intermediate participants. Significant negative correlations between the values of force and precision and the values of force and reaction time were also found.

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Applications of the luminescent pressure sensor FOP-1 in high-speed wind tunnel

10.1117/12.509852 ◽

2003 ◽

Author(s):

Yongcun Zhang ◽

Ran Zhang ◽

Hangi Xing ◽

Chen Li ◽

Jianhua Zhou ◽

...

Keyword(s):

Wind Tunnel ◽

Pressure Sensor ◽

High Speed

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Implementation and design of new low-cost foot pressure sensor module using piezoelectric sensor in T-FLoW humanoid robot

International Journal of Electrical and Computer Engineering (IJECE) ◽

10.11591/ijece.v9i1.pp203-214 ◽

2019 ◽

Vol 9 (1) ◽

pp. 203

Author(s):

R. Dimas Pristovani ◽

Dewanto Sanggar ◽

Pramadihanto Dadet

Keyword(s):

Pressure Sensor ◽

Humanoid Robot ◽

Body Force ◽

Center Of Pressure ◽

Low Cost ◽

Piezoelectric Sensor ◽

Position Vector ◽

Stream Data ◽

Foot Pressure ◽

Sensor Module

<span lang="EN-US">Basically, human can sense the active body force trough the soles of their feet and can feel the position vector of zero moment point (ZMP) based on the center of pressure (CoP) from active body force. This behavior is adapted by T-FLoW humanoid robot using unique sensor which is piezoelectric sensor. Piezoelectric sensor has a characteristic which is non-continuous reading (record a data only a moment). Because of it, this sensor cannot be used to stream data such as flex sensor, loadcell sensor, and torque sensor like previous research. Therefore, the piezoelectric sensor still can be used to measure the position vector of ZMP. The idea is using this sensor in a special condition which is during landing condition. By utilizing 6 unit of piezoelectric sensor with a certain placement, the position vector of ZMP (X-Y-axis) and pressure value in Z-axis from action body force can be found. The force resultant method is used to find the position vector of ZMP from each piezoelectric sensor. Based on those final conclusions in each experiment, the implementation of foot pressure sensor modul using piezoelectric sensor has a good result (94%) as shown in final conclusions in each experiment. The advantages of this new foot pressure sensor modul is low-cost design and similar result with another sensor. The disadvantages of this sensor are because of the main characteristic of piezoelectric sensor (non-continuous read) sometimes the calculation has outlayer data.</span>

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High-Speed Humanoid Robot Arm for Badminton Using Pneumatic-Electric Hybrid Actuators

IEEE Robotics and Automation Letters ◽

10.1109/lra.2019.2928778 ◽

2019 ◽

Vol 4 (4) ◽

pp. 3601-3608 ◽

Cited By ~ 2

Author(s):

Shotaro Mori ◽

Kazutoshi Tanaka ◽

Satoshi Nishikawa ◽

Ryuma Niiyama ◽

Yasuo Kuniyoshi

Keyword(s):

High Speed ◽

Humanoid Robot ◽

Robot Arm

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Research and Application of Intelligent Humanoid Robot

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.44-47.456 ◽

2010 ◽

Vol 44-47 ◽

pp. 456-460

Author(s):

Tong Li ◽

Bin Hu

Keyword(s):

Research And Development ◽

High Speed ◽

Humanoid Robot ◽

Science And Technology ◽

Future Research ◽

The World ◽

The Future

With the high-speed development of science and technology, the research and application of the humanoid robot receive more and more attention in the field of intelligent robot.Firstly, the important characters of the humanoid robot are introduced in this paper.Then the architecture of the human robot is analyzed and the research works around the world are overviewed.At last, the prospects for the future research and development are described.

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