AN ADVANCE TECHNOLOGY IN DIGITAL PEN BY USING MEMS HAND GESTURE

Transcription

1 INTERNATIONAL JOURNAL OF REVIEWS ON RECENT ELECTRONICS AND COMPUTER SCIENCE AN ADVANCE TECHNOLOGY IN DIGITAL PEN BY USING MEMS HAND GESTURE J.Sneha Goud 1, G.Archana Devi 2, M.Gurunadha Babu 3 1 M.tech student, Dept of ECE, Chilukur Balaji Institute of Technology, Hyderabad, India 2 Assistant Professor, Dept of ECE, Chilukur Balaji Institute of Technology, Hyderabad, India 3 Professor & HOD, Dept of ECE, Chilukur Balaji Institute of Technology, Hyderabad, India ABSTRACT: Now daily, the enlargement of shrinking technology has greatly attenuated the dimension and weight of customer electronic merchandise, like wise phones and hand-held computers, and thus created them further handy and convenient. This paper presents associate accelerometer-based digital pen for written digit and gesture physical phenomenon recognition applications. This pen consists of a 3 angle measuring instrument, a microcontroller, associated an x-bee wireless transmission module for sensing and aggregation accelerations of handwriting and gesture trajectories. Victimization this project we have a tendency to square measure ready to do human laptop interaction. Users can use the pen to jot down digits or produce hand gestures, and conjointly the accelerations of mems motions measured by the measuring instrument unit wirelessly transmitted to a laptop for on-line physical phenomenon recognition. So, by dynamic the position of MEMS (micro electro mechanical systems) we are going to ready to show the alphabetical characters at intervals the pc. The acceleration signals measured from the triaxial measuring instrument unit transmitted to a laptop via the wireless module. Keywords: ARM, ZigBee, Sensor module, Serial communication P a g e

2 1. INTRODUCTION: Explosive growth of shrinking technologies in electronic circuits and elements has greatly diminished the dimension and weight of consumer electronic product, like wise phones and hand-held computers, so created them further handy and convenient. Because of the speedy development of technology, human computer interaction. Block diagram: Pen section: Powe r Supp ly Fig:I Kit block diagram Xbee Rx Fig: II PC section. AR M7 TD MI Serial commu nication Mem s Zigbee Transc eiver A. Small Controller (ARM7TDMI) The ARM7TDMI resolution provides the low power (3.3v dc) consumption, small size, and high performance required in transferrable, embedded applications. The ARM7TDMI-S core is that the synthesizable version of the ARM7TDMI core, out there in each VERILOG and VHDL, prepared for compilation into processes supported by inhouse or commercially out there synthesis libraries. Optimized for flexibility which incorporates an even feature set to the arduous macro cell, it improves time-tomarket by reducing development time whereas providing enlarged vogue flexibility and enabling & amp get98% fault coverage. The ARM720T arduous macro cell contains the ARM7TDMI core, 8kb unified cache, and a Memory Management Unit (MMU) that permits the employment of protected execution areas and hardware. This offers designers a spread of softwarecompatible processors with durable price 1207 P a g e

3 performance points. Support for the ARM vogue these days includes: study strategy aforesaid as Thumb that produces it ideally suited to high-volume applications with memory restrictions or Operational systems like Windows applications wherever code density is also a component, Linux, palm OS and SYMBIAN issue. The key created behind Thumb is that OS of an excellent reduced instruction set. B.LPC2148 MICROCONTROLLER Basically, the ARM7TDMI-S processor LPC2148 Microcontroller vogue the includes a try of instruction sets: ARM7TDMI-S might even be a general purpose 32-bit small chip, that offers high performance and extremely low power consumption. The ARM vogue depends on Reduced Instruction Set laptop computer (RISC) principles, and in addition the The traditional 32-bit ARM set. A 16-bit Thumb set. The Thumb set s 16-bit instruction length permits it to approach doubly the density of ancient ARM code whereas holding most of instruction set and connected rewrite the ARM s performance advantage over a mechanism unit of measurement many easier than those of very little programmed tough Instruction Set Computers (CISC). This simplicity lands up terribly very high instruction product and spectacular quantity of sometime interrupt response from a little and economical processor core. Pipeline typical 16-bit processor victimization 16-bit registers. Generally this could be typically got ready as results of Thumb code operates on constant 32-bit register set as ARM code. Thumb code is terribly very position to supply up to sixty five create the foremost of the code size of ARM, and a hundred and techniques unit of measurement used sixty create the foremost of the performance therefore all elements of the strategy and memory systems will operate endlessly. of an equivalent ARM processor connected to a 16-bit memory system Typically, whereas one instruction is being dead, its successor is being decoded, and a 3rd instruction is being fetched from memory. The ARM7TDMI-S processor collectively employs a totally distinctive 1208 P a g e

4 P0.31/UP_LED/CONNECT P0.0/TXD0/PWM1 P1.31/TRST P0.1/RXD/PWM3/EINT0 P0.2/SCL0/CAP0.0 VDD P1.26/RTCK P0.3/SDA0/MAT0/EINT1 P0.4/SCK0/CAP0.1/AD0 P1.25/EXTINT0 P0.5/MISO0/MAT0.1/AD0.7 P0.6/MISI0/CAP0.2/AD1.0 P0.7/SSELO/PWM2/EINT2 P1.24/TRACECLK 15 GND VCC V+ 16 P0.19/MAT1.2/MOSI1/CAP1.2 P0.18/CAP1.3/MISO1/MAT1.3 P1.30/TMS 2 P1.27/TD0 VREF XTAL2 XTAL1 P1.28/TDI A P0.23/VBUS RESET P1.29/TCK P0.20/MAT1.3/SSEL1/EINT3 VDD VBAT IJRRECS/October 2013/Volume-1/Issue-6/ ISSN Fig: ARM Processor ZIGBEE U1 11 TORXD 10 T1IN C3 T2IN 12 TOTXD 10uF 9 R1OUT R2OUT 1 C3 C+ 10uF 3 C1-4 C2+ 5 C2- VCC_BAR VCC X Y Z VCC GND 10uF ZIGBEE C T1OUT 7 3 T2OUT R2IN 13 6 R1IN 1 MAX232 6 V- C3 10uF Serial communication P P P1.20/TRACESYNC 47 P0.17/CAP1.2/SCK1/MAT P0.16/EINT0/MAT0.2/CAP P0.21/PWM5/AD1.6/CAP1.3 P0.15/RI1/EINT2/AD P0.22/1AD1.7/CAP0.0/MAT0.0 P1.21/P1PESTAT0 43 RTCX1 VDD 42 P1.19/TRACEPKT3 41 RTCX2 P0.14/DCD1/EINT1/SD1 40 PP1.22/PIPESTAT1 39 VDDA P0.13/DTR1/MAT1.1/AD P1.18/TRACEPKT2 P0.12/DSR1/MAT1.0/AD P0.25/AD0.4/AOUT P0.11/CST1/CAP1.1/SCL1 36 D+ P1.23/IPESTAT2 35 D- P0.10/RTS1/CAP1.0/AD P1.17/TRACEPKT1 P0.9/RXD1/PWM6/EINT3 33 P0.28/AD0.1/CAP0.2/MAT0.2 P0.8/TXD1/PWM4/AD1.1 P0.29/AD0.2/CAP0.3/MAT0.3 P0.30/AD0.3/EINT3/CAP0.0 P1.16/TRACEPKT0 Fig: schematic diagram I. MEMS Technology: Micro-Electro-Mechanical Systems (MEMS) is that the blending of mechanical elements, sensors, actuators, and natural science on a typical semiconductor substrate through small fabrication technology. MEMS is associate sanctioning technology permitting the event of wise merchandise, Augmenting the procedure ability of natural science in most cases, the physics behind the behavior of MEMS devices might even be expressed by mathematical expressions. MEMS Thinker works by making a mathematical model of the system and generates analytical solutions to clarify the behavior of the MEMS device. The user simply have to be compelled to enter the input parameters like length Associate in Nursing dimension of the beam for instance in an extremely terribly user friendly graphical computer program, and in addition the laptop code can instantly calculate the relevant results and plot graphs that utterly produce a case for the MEMS device or a part of it. The laptop code is split into 5 modules specifically mechanics, sensing, actuation, and technique and data analysis. Mechanics module is split into 3 sub sections. The primary section being structures wherever the foremost generally used beams and diaphragm styles unit examined. The second section discusses vibration of those structures, each free and created vibration. The third section discusses damping among the look of squeeze film and slide film damping. Sensing module discusses sensing schemes wide employed in MEMS specifically piezoresistive and natural phenomenon sensing for bobbing up with pressure sensors and accelerometers. Accomplishment module examines the 2 wide used suggests that of accomplishment specifically static and thermal applied to 1209 P a g e

5 some generally used actuators like parallel plate, small mirror, comb drive, bimetallic and bimorph actuators. Technique module is split into six subsections specifically lithography, oxidation, diffusion, implantation, film deposition and wet etching. This covers style of the foremost generally used processes used at intervals the event of MEMS devices. The knowledge analysis module contains a die calculator, unit conversion tool and lists the fabric properties of generally used MEMS materials. The increasing demand for MEMS (microelectromechanical systems) technology is returning from various industries like automotive, area and shopper natural philosophy. MEMS guarantees to revolutionize nearly each product class by transportation along silicon-based electronics with micromachining technology, creating attainable the conclusion of complete systems-on-a-chip. KLA-Tenor offers the tools and techniques, 1st developed for the computer circuit business, for this rising market. BASIC CONNECTIONS IV. TRAJECTORY ALGORITHM 1210 P a g e

6 Patterning MEMS basic process Patterning in MEMS is that the transfer of a pattern into a cloth. Basic Process Etching processes Deposition Patterning Etching Deposition processes: One of the essential building blocks in MEMS process is that the ability to deposit skinny films of fabric with a thickness anyplace between some nanometers to concerning a hundred micrometers. There are unit 2 styles of deposition process, as follows. Physical deposition. Chemical deposition There are unit 2 basic classes of etching processes: wet etching and dry etching. Within the former, the fabric is dissolved once immersed in an exceedingly chemical resolution. Within the latter, the fabric is sputtered or dissolved victimization reactive ions or a vapor section etchant. For a somewhat dated summary of MEMS etching technologies. II. Trajectory algorithm: A mechanical phenomenon is that the path that a moving object follows through house as a operate of your time. A trajectory is a sequence of values calculated by the iterated application of a mapping to an element of its source P a g e

7 between remote devices. The modules operate within the assumption a try of.4 rate per second frequency band and unit compatible with the following: XBee RS-232 Adapters Illustration showing the trajectory of a bullet fired at an uphill target.physics of trajectories XBee RS-232 ph (Power Harvester) Adapter XBee RS-485 Adapters XBee Analog I/O Adapter XBee Digital I/O Adapter XBee device Adapter XBee USB Adapter XStick III. WIRELESS COMMUNICATION Connect Port X Gateways XBee Wall Router. A. Zigbee module: The XBee/XBee-PRO RF Modules unit designed to figure within the ZigBee protocol and supports the distinctive wishes of reasonable, low-power wireless device networks. The modules want minimal power and provide reliable delivery of data 1212 P a g e

8 V. Conclusion IV. Output Screen shots: This project has incontestable by presenting associate accelerometer-based digital pen for written digit by victimization physical phenomenon recognition applications. The digital pen consists of a triaxial measuring instrument, a semiconductor device, associated a Zigbee wireless transmission module for sensing and gathering the signals of accelerations of handwriting and gesture trajectories. By victimization this technology we have a tendency to square measure ready to write & amp to indicate the characters whereas not Victimization the keyboard by applying the human interaction to the laptop. VI. Reference: [1] E. Sato, T. Yamaguchi, and F. Harashima, Natural interface using pointing behavior for human robot gestural interaction, IEEE Trans. Ind. Electron., vol. 54, no. 2, pp , Apr [2] Y. S. Kim, B. S. Soh, and S.-G. Lee, A new wearable input device: SCURRY, IEEE Trans. Ind. Electron., vol. 52, no. 6, pp , Dec P a g e

9 [3] A. D. Cheok, Y. Qiu, K. Xu, and K. G. Kumar, Combined wireless hardware and real-time computer vision interface for tangible mixed reality, IEEE Trans. Ind. Electron., vol. 54, no. 4, pp , Aug [4] Z. Dong, U. C. Wejinya, and W. J. Li, An optical-tracking calibration method for MEMS-based digital writing instrument, IEEE Sens. J., vol. 10, no. 10, pp , Oct IEEE Trans. Ind. Electron., vol. 56, no. 5, pp , May [8] Y. S. Suh, Attitude estimation by multiple-mode Kalman filters, IEEE Trans. Ind. Electron., vol. 53, no. 4, pp , Jun [9] J. Yang, W. Chang, W. C. Bang, E. S. Choi, K. H. Kang, S. J. Cho, and D. Y. Kim, Analysis and compensation of errors in the input device based on inertial sensors, [5] J. S.Wang, Y. L. Hsu, and J. N. Liu, An inertial-measurement-unit-based pen with a trajectory reconstruction algorithm and its applications, IEEE Trans. Ind. Electron., vol. 57, no. 10, pp , Oct [6] S.-H. P. Won, W. W. Melek, and F. Golnaraghi, A Kalman/particle filter-based position and orientation estimation method using a position sensor/inertial measurement unit hybrid system, IEEE Trans. Ind. Electron., vol. 57, no. 5, pp , May [7] S.-H. P. Won, F. Golnaraghi, and W. W. Melek, A fastening tool tracking system using an IMUand a position sensor with Kalman filters and a fuzzy expert system, 1214 P a g e