light proximity and motion sensors

visible light communication and its fundamental study

visible light communication and its fundamental study

... news and other information The third concentration would be in standard lighting sources such as architectural lighting, aerospace and automotive interior lighting, exit signs and emergency lighting, ... in visible light wireless communication using lighting equipment Proposal LED Lighting Equipments First, we design two proposal lighting equipments They are general lighting and downlight Table ... response, and cooler operation, compared with conventional lighting devices The white LED will eventually replace incandescent or uorescent lights in oces and homes [4.14.3] CHAPTER INDOOR VISIBLE LIGHT...

Ngày tải lên: 26/10/2013, 16:43

101 504 5
Tài liệu Chapter 6: Force and Motion II docx

Tài liệu Chapter 6: Force and Motion II docx

... the crate does not move We push harder (frame c) and harder (frame d) and the crate still does not move Finally we push with all our strength and the crate moves (frame e) The free body diagrams ... also increases and the crate remains at rest When F reaches a certain limit the crate "breaks away" and accelerates to the left Once the crate starts moving the force opposing its motion is r called ... direction of motion (for kinetic friction) or of attempted motion (in the case of static friction) Note 2: The coefficient µk does not depend on the speed of the sliding object (6-4) Drag force and terminal...

Ngày tải lên: 13/12/2013, 05:15

10 503 0
Tài liệu Chapter 5: Force and Motion pdf

Tài liệu Chapter 5: Force and Motion pdf

... other hand we slide the same object on a very slippery surface such as ice, the object will travel a much larger distance before it stops Newton checked his ideas on the motion of the moon and the ... forces act on a body (say FA , FB , and FC ) the net force Fnet r r r r r r r r is defined as: Fnet = FA + FB + FC i.e Fnet is the vector sum of FA , FB , and FC Force: The concept of force was ... act on a body r r r r (say FA , FB , and FC ) the net force Fnet r r r r is defined as: Fnet = FA + FB + FC r i.e Fnet is the vector sum of r r r FA , FB , and FC (5-3) F mo ao F mX Mass: Mass...

Ngày tải lên: 13/12/2013, 05:15

12 506 0
Tài liệu 54 Video Scanning Format Conversion and Motion Estimation pdf

Tài liệu 54 Video Scanning Format Conversion and Motion Estimation pdf

... terminology a motion detector controls δ3 , an edge detector δ1 , and δ2 , while a motion estimator can be applied to determine δ1 , δ2 , and δ3 Algorithms with a Motion Detector To detect motion, ... determines such aspects as stationary and dynamic resolution, motion portrayal, aliasing, scanning structure visibility, and flicker Various formats have been designed and standardized to strike a particular ... HDTV, workstations, and PCs, many new video formats have appeared These include low end formats such as CIF and QCIF with smaller picture size and lower frame rates, progressive and interlaced HDTV...

Ngày tải lên: 27/01/2014, 03:20

20 335 0
Tài liệu Advances in Robot KinematicsMechanisms and Motion Edited byJADRAN pdf

Tài liệu Advances in Robot KinematicsMechanisms and Motion Edited byJADRAN pdf

... Kazerounian and Rastegar, 1992, Martinez and Duffy, 1995, Larochelle and McCarthy, 1995, Etzel and McCarthy, 1996, Gupta, 1997, Tse and Larochelle, 2000, Chirikjian, 1998, Belta and Kumar, 2002, and Eberharter ... as yaw, pitch and roll angles, v = (vx , vy , vz ) and ω = (ωx , ωy , ωz ) are the translational and rotational velocities of p, respectively; and θA and ωA are the orientation and angular velocity ... mutually informative motion command, we are maximizing the difference between prior and posterior entropies (MacKay, 1992) In other words, we are choosing the motion command that most reduces...

Ngày tải lên: 13/02/2014, 09:20

500 396 0
Advances in Robot KinematicsMechanisms and Motion pdf

Advances in Robot KinematicsMechanisms and Motion pdf

... Kazerounian and Rastegar, 1992, Martinez and Duffy, 1995, Larochelle and McCarthy, 1995, Etzel and McCarthy, 1996, Gupta, 1997, Tse and Larochelle, 2000, Chirikjian, 1998, Belta and Kumar, 2002, and Eberharter ... as yaw, pitch and roll angles, v = (vx , vy , vz ) and ω = (ωx , ωy , ωz ) are the translational and rotational velocities of p, respectively; and θA and ωA are the orientation and angular velocity ... mutually informative motion command, we are maximizing the difference between prior and posterior entropies (MacKay, 1992) In other words, we are choosing the motion command that most reduces...

Ngày tải lên: 05/03/2014, 17:20

500 435 0
Fundamentals of light sources and lasers   mark csele

Fundamentals of light sources and lasers mark csele

... 25-W incandescent light bulb measured LIGHT AND BLACKBODY EMISSION Intensity 400 500 Figure 1.4.3 600 700 800 Wavelength (nm) 900 1000 Output of an incandescent lamp both at full power and at ... here, and it may be surprising that this light which we call white is very rich in red and orange light (600 to 700 nm) and relatively weak in violet and blue light (400 to 500 nm) We shall revisit ... levels 12 LIGHT AND BLACKBODY EMISSION in the form of visible light The largest portion of the electrical energy injected into the system appears as heat and infrared light Various forms of light...

Ngày tải lên: 17/03/2014, 14:28

349 399 1
recent advances in wide bandgap semiconductor biological and gas sensors

recent advances in wide bandgap semiconductor biological and gas sensors

... detection in gases and liquids, flue gas and fire detection, liquid quality sensors, biosensors and medical sensors Some of the major applications in the home include indoor air quality and natural gas ... minimal power consumption and weight and with a low rate of false alarms Due to their low intrinsic carrier concentrations, GaN- and SiC-based wide band gap semiconductor sensors can be operated ... metabolites and markers, and this can be valuable in measuring both medication adherence and in determining the blood levels of these drugs and medications Some of today’s blood and urine-based...

Ngày tải lên: 20/03/2014, 13:06

59 574 0
WO3nanowires on carbon papers: electronic transport, improvedultraviolet-light photodetectors and excellent field emitters

WO3nanowires on carbon papers: electronic transport, improvedultraviolet-light photodetectors and excellent field emitters

... from the visible light, people’s eyes are blind to the UV-A light Thus, the development of effective UV-A photodetectors (light sensors) is of great importance With a wide bandgap Eg z 3.3 eV, ... under a 375 nmlight ‘‘ON’’ and ‘‘OFF’’ The response and decay times are about s and 20 s, respectively In comparison with individual WO3 nanowire photodetectors (Fig 3f), the response and decay time, ... Y Bando and D Golberg, Adv Mater., 2010, 22, 5145 J P Liu, X T Huang, Y Y Li, X X Ji, Z K Li, X He and F L Sun, J Phys Chem C, 2007, 111, 4990; L Li, T Y Zhai, H B Zeng, X S Fang, Y Bando and...

Ngày tải lên: 20/03/2014, 13:12

7 512 0
Báo cáo khoa học: J1–Photosynthetic Light Harvesting and Reaction Center Complexes ppt

Báo cáo khoa học: J1–Photosynthetic Light Harvesting and Reaction Center Complexes ppt

... chlorophyll’’, ChlD1 and pheophytin on the so-called active branch J1-005 The primary light energy conversion in bacterial reaction centers: coupling electron transfer and nuclear motions V A Shuvalov ... J1-007P Light stress-induced one-helix protein of the chlorophyll a/b-binding family associated with photosystem I U B Andersson1,2, M Heddad1 and I Adamska1,2 Department of Biochemistry and Biophysics, ... the structure and function of photosystem I and II P Fromme, H Yu, Y Bukman, D Ni, B Varco-Merth, D Chauhan, C Vanselow, C Jolley, R Fromme and I Grotjohann Department of Chemistry and Biochemsitry,...

Ngày tải lên: 23/03/2014, 15:20

17 533 0
Báo cáo hóa học: " Decoding subtle forearm flexions using fractal features of surface electromyogram from single and multiple sensors" docx

Báo cáo hóa học: " Decoding subtle forearm flexions using fractal features of surface electromyogram from single and multiple sensors" docx

... Classification of sEMG to identify the hand movement and gesture is a desired option [4-7] Identified hand and finger actions can be used to command robotic and prosthetic hand which will allow the users ... weak such as during finger and wrist flexion and extension To overcome this, often sEMG based commands are treated as binary and the user need to give a series of commands for functionality [8] ... noise, the system is not natural and very limiting As a result, modern prosthetic hands such as I-Limb (Touchbionics, Scotland) and Kinetic Human-type (KH) Hand S1 (Dainichi, Japan), while having...

Ngày tải lên: 19/06/2014, 08:20

10 382 0
báo cáo hóa học: "A wireless body area network of intelligent motion sensors for computer assisted physical rehabilitation" pot

báo cáo hóa học: "A wireless body area network of intelligent motion sensors for computer assisted physical rehabilitation" pot

... accelerometers, two piezoelectric sensors, two electric field sensors, two resistive band sensors, and four force sensitive resistors These sensors can be mounted on the back of a shoe and in a shoe insole, ... http://www.jneuroengrehab.com/content/2/1/6 • power source • size and weight of sensors • wireless communication range and transmission characteristics of wearable sensors • sensor location and mounting • seamless system configuration ... include: • types of sensors Types of sensors As for sensors, accelerometers and gyroscopes offer greater sensitivity and are more applicable for monitoring of motion since they generate continuous...

Ngày tải lên: 19/06/2014, 10:20

10 798 0
Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 1 ppt

Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 1 ppt

... human sensation and display is the same point 12 Sensors, Focus on Tactile, Force and Stress Sensors 5.1 Simultaneous sensing and display In order to realize the active touch, sensing and display ... 978-953-7619-31-2 Sensors, Focus on Tactile, Force and Stress Sensors, Jose Gerardo Rocha and Senentxu Lanceros-Mendez Preface This decade has been called by many people as the decade of the sensors With ... restricted to a well defined and usually small region In contrast, the force and torque sensors normally measure the total forces and torques applied to an object Tactile sensors can be used to detect...

Ngày tải lên: 21/06/2014, 20:20

30 310 0
Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 2 pdf

Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 2 pdf

... 22 Sensors, Focus on Tactile, Force and Stress Sensors The layout of the structure having hub and three spokes (Y-shaped structure) and 3D 3D assembly model are shown ... joint angle, and error of joint angle in the function of time – are presented in Fig 20, Fig 21, Fig 22 and Fig 23, respectively 32 Sensors, Focus on Tactile, Force and Stress Sensors Applied ... 36 Sensors, Focus on Tactile, Force and Stress Sensors arm Proceedings of IEEE Int Symposium on Robot and Human Interactive Communication (RO-MAN), pp 860-865, ISBN 1-4244-1635-6, Jeju island,...

Ngày tải lên: 21/06/2014, 20:20

30 367 0
Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 3 ppt

Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 3 ppt

... (11), (14) and the above equations, we have 80 Sensors, Focus on Tactile, Force and Stress Sensors (19) (20) (21) (22) and are the strains on the sensors at xa and xb corresponding Fz, and where ... operation (NAND and NOT), and switch MOSFETs for resistor drive current (M1) and pixel output (M2) Tensile membrane stress generated strongly on the swollen diaphragm is almost isotropic, and the ... figure), and RM1 and RM2 are on-channel resistances of M1 and M2, respectively (Takao et al., 2006) In this situation, M1 and M2 are operating in non-saturation region at gate voltage of Vdd, and...

Ngày tải lên: 21/06/2014, 20:20

30 365 0
Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 4 pdf

Sensors, Focus on Tactile, Force and Stress Sensors 2011 Part 4 pdf

... construction Therefore, HIRO and HIRO II+ have high reduction mechanisms and require a 88 Sensors, Focus on Tactile, Force and Stress Sensors force sensor at each haptic fingertip And, to accomplish high-precision ... human fingers in geometry and motion ability Table shows the specifications of the haptic hand Each finger has joints, allowing 90 Sensors, Focus on Tactile, Force and Stress Sensors DOF The first ... outputs, namely x-, y-, and z-elements, are used The resolution of the force sensors Fx, Fy, and Fz, are 32, 32, and 98 [mN], respectively Here, Fx, Fy, and Fz, are the x-, y-, and z-element output...

Ngày tải lên: 21/06/2014, 20:20

30 367 0
w