MARTINDALE'S CALCULATORS ON-LINE CENTER ENGINEERING ELECTRICAL & COMPUTER: P-SC

US/Pacific: Sunday, October 24, 2004 Sydney, Australia: Monday, October 25, 2004 File Download Time Calculator Author, E-Mail, Privacy Policy & Disclaimer Currently the Calculators On-Line Center contains over "18,795" Calculators

Petri-Net PETRI NET BROWSER ESSER'S PETRI NET BROWSER (JAVA APPLET) - R. Esser, Department of Computer Science, University of Adelaide, Adelaide, Australia For more information see Java Tools; Tools on the Web; The World of Petri Nets or Robert Esser's Home Page PETRI NET SIMULATIONS jPNS: THE PETRI-NET-SIMULATOR (JAVA APPLET) - T. Bräunl, Department of Electrical & Electronic Engineering, University of Western Australia, Perth, Australia "PNS is a simple simulation system for extended place/transition Petri nets." For more information see Thomas Bräunl's Home Page or the Department of Electrical & Electronic Engineering PATRICE'S PETRI NET JAVA APPLET - T. Patrice, VR & Computer Graphics Research Group, Toulouse Computer Science Research Institute, France For more information see Java Tools; Tools on the Web; The World of Petri Nets or Torhuet Patrice's Home Page Photoelectric Effect PHOTOELECTRIC EFFECT - BASICS PHOTOELECTRIC (JAVA APPLET) - M. Vershinin VERY EXTENSIVE. "This applet is supposed to teach a person about the basics of photoelectric effect." For more information see M. Vershinin's Home Page PHOTOELECTRIC EFFECT PHOTO EFFECT - G.D. Westfall & W. Bauer, Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University "...study the photo-electric effect with three different materials, sodium, cesium, and silver..." For more information see Physics Applets; Wolfgang Bauer's Home Page or the Department of Physics and Astronomy Photonics PHOTONIC CRYSTAL STRUCTURE FOR MORE CRYSTALLOGRAPHY CALCULATORS SEE THE CHEMISTRY CALCULATOR CENTER: CRYSTALLOGRAPHY PHOTONIC CRYSTAL POWER DIVIDER - J. Smajic, Laboratory for Electromagnetic Fields and Microwave Electronics, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland For more information see Composite Doped Metamaterials; Jasmin Smajic's Home Page or the Laboratory for Electromagnetic Fields and Microwave Electronics PHOTONS: WAVELENGTH, FREQUENCY AND ENERGY OF CALCULATOR FOR WAVELENGTH, FREQUENCY AND ENERGY OF PHOTON - H. Chen, Department of Physics & Astronomy, Ohio University "This page converts a photon wavelength, in angstroms, to its photon energy in electron volts (eV)." For more information see Hong Chen's Home Page PHOTONICS CALCULATIONS PHOTONICS EDUCATION APPLETS - A.N. Cartwright, Department of Electrical Engineering, School of Engineering and Applied Sciences, University at Buffalo, The State University of New York VERY EXTENSIVE. For more information see Alexander N. Cartwright's Home Page or the Department of Electrical Engineering Examples from over "20" applets include Cavities & Resonators Polarization of Light Quantum Electronics Photonic Devices Photovolataic/Solar PV CELL BASICS PV CELL BASICS FOR HOBBYISTS - CALCULATOR - Chuck Wright "Photovoltaic (PV) cells convert sunlight directly into electricity..." For more information see Calculators or Chuck Wright's Home Page GRID-CONNECTED PV SYSTEMS A PERFORMANCE CALCULATOR FOR GRID-CONNECTED PV SYSTEMS (U.S. ONLY) - Renewable Resource Data Center (RReDC), Resource Assessment Program, Department of Energy VERY VERY EXTENSIVE. "In a grid-connected PV system, PV modules, wired together to form a PV array, pass DC electricity through an inverter to convert it into AC power..." For more information see Solar Codes, Algorithms, Models & Calculators; Solar Radiation Resource Information or the Renewable Resource Data Center (RReDC) PHOTOVOLTAIC (PV) ECONOMICS PHOTOVOLTAIC (PV) ECONOMICS CALCULATOR - Sponsored by the Texas General Services Commission's State Energy Conservation Office, Texas VERY EXTENSIVE. "...This worksheet does a simple, "back of the envelope" calculation of PV system economics..." For more information see Calculators or Renewable Energy: The Infinite Power of Texas PHOTOVOLTAIC SYSTEM WORKSHEET - CALCULATOR - Chuck Wright "This worksheet does a simple, "back of the envelope" calculation of PV system economics..." For more information see Calculators or Chuck Wright's Home Page PV ARRAY TILT ANGLE CALCULATIONS PV ARRAY TILT ANGLE CALCULATOR - Wattsun Trackers, Array Technologies, Inc., Albuquerque, New Mexico "You may use this page to calculate noontime sun angles for the 21st day of each month." For more information see Solar Design: Online Calculators or Wattsun Trackers, Array Technologies, Inc. SOLAR ENERGY SOLAR ENERGY & WIND ENERGY (APPLETS & SIMULATIONS) - Institute of Electrical Power Engineering/ Institut für Elektrische Energietechnik, Technische Universität Berlin, Berlin, Bundesrepublik Deutschland (Germany) VERY VERY EXTENSIVE. For more information see Index; Institute of Electrical Power Engineering or the Technische Universität Berlin Some examples Solar Energy Applets include Characteristics of Solar Cells (One Diode Model) Efficiency of Solar Thermal Collectors

Power Electronics POWER ELECTRONICS INTERACITVE POWER ELECTRONICS ONLINE TEXTBOOK - V. Ramaswamy, Faculty of Engineering, University of Technology, Sydney, Australia Multimedia Textbook (Text, Images & Applets). VERY VERY EXTENSIVE. "Power electronics refers to control and conversion of electrical power by power semiconductor devices wherein these devices operate as switches." For more information see Venkat Ramaswamy's Homepage or the Faculty of Engineering Some examples of Chapters which also include '12' Interactive Applets Introduction to Power Electronics Fully-controlled Three-Phase SCR Bridge Recitifier with Applications Fully-controlled Single-Phase SCR Bridge Recitifier with Applications POWER DESIGN CALCULATIONS ONLINE POWER DESIGN CALCULATORS (JAVA APPLETS) - PowerDesigners, LLC VERY EXTENSIVE. "Innovattive solutions for the power electronics industry" For more information see PowerDesigners, LLC Some examples include IGBT Inverter Design Calculator DC Choke Design Calculator SWITCHED MODE POWER SUPPLY SWITCHED MODE POWER SUPPLY - CALCULATORS - B. Suppanz Some examples include PCB Trace Width Calculator RMS Calculations Power Factor Correction Systems POWER FACTOR AND GENERAL POWER SYSTEMS POWER FACTOR AND GENERAL POWER SYSTEMS EQUATIONS AND FORMULAS - Northeast Power Systems, Inc. VERY VERY EXTENSIVE. "The formulas on this web page may be utilized in designing power factor correction systems and harmonic filter banks." Over "20" Calculators with Formulas inlcuding: "Capacitors Connected in Parallel; Capacitors Connected in Series; Capacitive Reactance; Capacitance; Equations for Total Power Factor; Voltage Rise; Loss Reduction for Correcting Power Factor; Root Mean Square, RMS; Total Power Factor, TPF; etc." For more information see Northeast Power Systems, Inc. Power Transformers & Generators CURRENT CONSUMPTION CALCULATIONS POWER CALCULATOR - TYPICAL CURRENT CONSUMPTION CALCULATOR - Eagle Machinery Ltd., West Bromwich, U.K. VERY VERY EXTENSIVE. "...gives an approx. guide to the power requirements of a wide range of electrical goods..." Some examples of current consumption calculators include: Aligator Saw; Cement Mixer; Belt Sander; Lathe; Router; Angle Grinder; Belt Sander; Circular Saw, Air Conditioning; Deep Freeze; Refrigerator and much more. For more information see Eagle Machinery Ltd. KVA/KVAR CALCULATIONS KVA QUICK CALCULATOR: TRANSFORMER - Northern Breakers and Electrical Supply, Summerstown, Ontario, Canada VERY EXTENSIVE. For more information see Northern Breakers and Electrical Supply KVAR CALCULATOR: ONLINE CAPACITOR - Amber Capacitors "This table will calculate the Capacitor kVAr..." For more information see Amber Capacitors KVAR CALCULATOR - ARCO Electric Products, Shelbyville, IN "...aid you with sizing your capacitor requirements." For more information see ARCO Electric Products POWER FACTOR CALCULATIONS POWER FACTOR CALCULATOR - Northeast Power Systems, Inc. For more information see Formulas or Northeast Power Systems, Inc. CONVERTER POWER FACTOR CALCULATOR - J.H. Galloway & Associates, Brookfield, CT "This calculator is intended to cover six pulse, line commutated three phase power converters in industrial applications..." For more information see Calculators or J.H. Galloway & Associates POWER FACTOR IMPROVEMENT CALCULATOR - Northern Breakers and Electrical Supply, Summerstown, Ontario, Canada VERY EXTENSIVE. "Simply enter your existing power factor, the desired power factor, and the total connected load (in kilowatts) and press GO!. This utility will automatically calculate the required KVAR's." For more information see Northern Breakers and Electrical Supply POWER FACTOR CORRECTION FILTER CALCULATOR - J.H. Galloway & Associates, Brookfield, CT "This calculator is intended to cover single stage harmonic filters used with six pulse, line commutated three phase power converters in industrial applications." For more information see Calculators or J.H. Galloway & Associates POWER LOAD CALCULATIONS POWER LOAD CALCULATOR - House of Power Equipments, India "...will assist you in determining what size generator you may require..." For more information see Experiment Related Items

Quantum Computers QUANTUM COMPUTER SIMULATIONS QUANTUM COMPUTER SIMULATION - J.A. Vaccaro, Science and Technology Centre (STRC) & the Department of Physical Sciences, University of Hertfordshire, Hatfield, U.K. Multimedia Interactive Simulations with Tutorials (Text & Images). VERY EXTENSIVE. "...the simulation demonstrates the basic principles on which quantum computers are based: superposition and interference. The superposition principle allows may operations to occur simultaneously..." For more information see John A. Vaccaro's Home Page; Theoretical Physics Research Group; Science and Technology Centre (STRC) or the Department of Physical Sciences QUANTUM CIRCUIT SIMULATIONS QUASI - QUANTUM CIRCUIT SIMULATOR (JAVA APPLET) - M. Eck & P. Wocjan, Institut für Algorithmen und Kognitive Systems (IAKS), Fakultät für Informatik, Uinversität Karlsruhe, Germany VERY EXTENSIVE. "...a general purpose quantum circuit simulator written at the Universtiy of Karlsruhe. The user is able to build and simulate quantum circuits in a graphical user interface..." For more information see QuaSi's Home Page or the Institut für Algorithmen und Kognitive Systems (IAKS) Quartz QUARTZ PROPERTIES QUARTZ PROPERTIES DATABASE - GE Quartz, Inc., General Electric Company "Quartz is a glass (vitreous silica) that exhibits unique properties. These properties make quartz ideally suited for applications where high purity is required or where the use temperature is high..." For more information see GE Quartz QUARTZ TOOLBOX - CALCULATIONS QUARTZ TOOLBOX (JAVA APPLET) - GE Quartz, Inc., General Electric Company VERY VERY EXTENSIVE. For more information see GE Quartz Examples of online Calculators include Material Compactor Sag Deflection Calculator Internal Pressure Stress Calculator

RF/Wireless RF CALCULATIONS CONJUGATE MATCH CALCULATOR - N. Martin, U.K. For more information see Nigel Martin's Home Page RF CALCULATORS & TOOLS - Andrew Corporation VERY EXTENSIVE. For more information see Calculators; Base Station Antenna or Andrew Corporation WIRELESS/RF DESIGN CALCULATIONS INTERACTIVE WIRELESS/RF DESIGN UTILITIES - CALCULATORS - Green Bay Professional Packet Radio (GBPPR) VERY VERY VERY...EXTENSIVE. Some examples from over "26" Calculators include Wireless Network Link Analysis Microwave Radio Path Analysis Microstripline Analysis & Design Urban Area Path Loss Knife Edge Diffraction Loss Calculator Calculating Phase Line Length Antenna Isolation Calculator LOSS FORMULAS IN WIRELESS CELLULAR SYSTEMS - K,S. Trivedi, Department of Electrical & Computer Engineering, Duke University & the Center for Advanced Computing and Communication For more information see Kishor S. Trivedi's Home Page; Department of Electrical & Computer Engineering or the Center for Advanced Computing and Communication Raceway Fill CABLE RACEWAY FILL CALCULATIONS CABLE RACEWAY FILL CALCULATOR - G. C. Newton, Electrician.com For more information see Electrician.com RACEWAY FILL FILL CALCULATIONS RACEWAY FILL CALCULATOR: CONDUCTORS - G. C. Newton, Electrician.com For more information see Electrician.com Radio Design RADIO AND AUDIO CALCULATIONS AMATEUR RADIO AND AUDIO CALCULATORS - Wirral, U.K. VERY VERY EXTENSIVE. For more information see the Amateur Radio on the Wirral or the John's Home Page Some examples from over "20" calculators include Antenna EiRP Estimator Single-Layer Coil Designer PMR Crystal Calculator Op-Amp Circuit Design Audio Pre-Amplifier Design COIL DESIGN & CALCULATIONS COIL DESIGN (JAVA APPLET) - J. Ponton, School of Chemical Engineering, University of Edinburgh, Edinburgh, Scotland, U.K. "...lets you do calculations for single layer air cored coils using the solenoid formula..." For more information see the Coil Designs; GM0RWU's Software and Projects Page; Radio Page or Jack Ponton's Home Page SINGLE LAYER AIR COIL INDUCTANCE CALCULATOR - Darryl Boyd For more information see Stay Tuned Crystal Radio and Tube Radio Web Site TOROID DESIGN (JAVA APPLET) - J. Ponton, School of Chemical Engineering, University of Edinburgh, Edinburgh, Scotland, U.K. "...designs a toroid..." For more information see the Coil Designs; GM0RWU's Software and Projects Page; Radio Page or Jack Ponton's Home Page CONVERT & CORRECT DIAL READINGS CONVERT GR821A READINGS TO ADMITTANCE/IMPEDANCE (JAVA APPLET) - K. Schmidt, Department of Physics and Astronomy, Arizona State University "Applet to convert and correct dial readings..." For more information see Kevin Schmidt's Home Page VSWR CALCULATIONS VSWR CALCULATOR - P-N Designs, Inc. VERY EXTENSIVE. For more information see Microwave Calculators or Microwave 101 VSWR CALCULATOR - Andrew Corporation VERY EXTENSIVE. For more information see Calculators; Base Station Antenna or Andrew Corporation Radar RADAR CALCULATIONS - ALL INCLUSIVE INTRODUCTION TO AIRBORNE RADAR - SciTech Publishing, Inc. Multimedia Tutorials & Calculators (Text & Images). Some examples of online calculators include A full antenna pattern Display of how an antenna array works Horizon calculator: radar/visual Radar Range, Time, Frequency Calculator RADAR ANTENNA CALCULATOR (ANTCALC) - I. Harre, Germany "...a calculator to determine from the dimension of the radar antena its main parameters." For more information see Radar or Ingo Harre's Home Page RADAR IMAGE SYNTHESIS (SAR) CALCULATORS/SIMULATIONS (JAVA APPLET) - S. Foucher, Y. Moisan & R. Gonzalez-Rubio, Université de Sherbrooke, Québec, Canada In English & French. VERY VERY EXTENSIVE. Illustrates "how radar remote sensing signal interacts with the surface and, more importantly, how images are constructed from the backscattered signal using Java applets..." For more information see Radar Image Synthesis & Modeling Presentation; Radar Image Synthesis & Modeling or the Université de Sherbrooke, Québec Some examples include Ground Interaction Simulation Raw Data Simulation Image Formation Simulation BEAM WIDTH CALCULATIONS BEAM WIDTH/CHARACTERISTICS CALCULATOR - Warning Decision Training Branch (WDTB), National Weather Service (NWS), NOAA VERY EXTENSIVE. "When analyzing radar data, it is often helpful to know the height of the radar volume...This applet provides a simpler way to get this information. In addition to providing the user the beam center height, it also provides the beam top height, beam bottom height, and the beam width..." For more information see Resources or the Warning Decision Training Branch BOUNDARY-RELATIVE SPEED CALCULATIONS BOUNDARY-RELATIVE SPEED CALCULATOR - Warning Decision Training Branch (WDTB), National Weather Service (NWS), NOAA VERY EXTENSIVE. "...This applet was created to give forecasters an easy way to use the proposed schematic diagram in an operational environment...The applet uses three input variables (cell speed, cell direction, and boundary speed; all speeds in m s-1) to compute the boundary-relative velocity at points all along the circular boundary...." For more information see Resources or the Warning Decision Training Branch Receivers RECEIVER CALCULATIONS ANADIGICS RECEIVER MODEL TOOL - CALCULATOR - Anadigics VERY EXTENSIVE. "This model will calculate gain, noise figure, dynamic range, and other system parameters." For more information see Engineering Room or Anadigics Other Calculators include The Transimpediance Amplifier Tool (JAVASCRIPT) Resistors RESISTANCE & CAPACITANCE RESISTANCE & CAPACITANCE (JAVA APPLET) - Mathematical Sciences, Rensselaer Polytechnic Institute (RPI) Multimedia Teaching Modules & Applets (Text & Images). "Mathematics and its Applications in Engineering & Science" For more information see General Applied Modules; Project Links: Mathematics and its Applications in Engineering and Science; Mathematical Sciences or Rensselaer Polytechnic Institute (RPI) RESISTOR COLOR CODE - CALCULATIONS 4-BAND RESISTOR CODE CALCULATOR - COLOURS TO VALUE - S. Carter, Electronics 2000, U.K. For more information see the Formulae Calculators or Electronics 2000 Examples from over "10" calculators include 5-Band Resistor Code Calculator - Colours to Value 5-Band Resistor Code Calculator - Value to Colours CALCULATE RESISTOR VALUES FROM COLOR CODES - D. Goodman For more information see Danny Goodman's JavaScript Pages COLOR CODED RESISTANCE CALCULATOR - J.B. Lukin, Electrical and Systems Engineering, University of Pennsylvania For more information see Undergraduate Labortory or the Electrical and Systems Engineering RESISTANCE CALCULATOR - Carlos Lazarini Fonseca For more information see Welcome to the Cape Old Radio or Carlos Lazarini Fonseca's Home Page RESISTOR COLOUR CALCULATOR II - Wirral, U.K. For more information see the Amateur Radio and Audio Calculators; Amateur Radio on the Wirral or the John's Home Page RESISTOR COLOR CODES CALCULATORS - the12volt.com For more information see Ohm's Law; Basics Introduction or The 12Volt.com (Alarm, Stero & Cruise Control Info for Installers) RESISTOR COLOR CODE CALCULATOR - G. C. Newton, Electrician.com For more information see Electrician.com RUDIMENTARY RESISTOR IDENTIFIER THE PATH OF LEAST RESISTANCE: A RUDIMENTARY RESISTOR IDENTIFIER - D. Goodman For more information see Danny Goodman's JavaScript Pages Robotics MOTORS 4QD MOTOR CURRENT CALCULATOR - R. Torrens, 4QD, U.K. VERY EXTENSIVE. "...lets you calculate the motor current your vehicle will need..." For more information see Battery Motors and Controllers FAQ's or 4QD 4QD VEHICLE ROAD SPEED CALCULATOR - R. Torrens, 4QD, U.K. For more information see Battery Motors and Controllers FAQ's or 4QD ROBOTIC SIMULATIONS - BASICS SODACONSTRUCTOR - Soda, London, U.K. VERY EXTENSIVE. "The online toy where you can build and play with things made out of masses, springs and muscles..." For more information see Sodaplay or Soda ROBOTIC SIMULATIONS - INTERMEDIATE DISTRIBUTED ANT ROBITICS SIMULATIONS (JAVA APPLET) - L. Kleyman & E. Skarbovsky, Department of Computer Science, Israel Institute of Technology, Israel VERY VERY EXTENSIVE. For more information see Israel A. Wagner's Home Page or the Department of Computer Science Some examples from over "10" Applets include Vertex Ant Walk - a Smell Assisted Search MAC, PC and Other Gadgets Hamiltonian Simulation: Ants 99 ROBOTIC APPLETS - J.A. Sethian, Department of Mathematics, University of California, Berkeley "These are applets for robotic navigation with constraints..." For more information see Level Set Methods; J.A. Sethian's Home Page or the Department of Mathematics ROBOTIC ARM CONTROL (JAVA APPLET) - M. Karweit, Department of Chemical Engineering, Johns Hopkins University "...Here we want to consider the problem of controlling the motion of a very simple articulated arm..." For more information see Virtual Engineering ROBOTIC NAVIGATION WITH CONSTRAINTS (JAVA APPLET) - J.A. Sethian, Department of Mathematics, U.C. Berkeley VERY EXTENSIVE. "...You can lay down a collection of obstacles, design the shape of your own robot, and the fix a starting point and finishing point..." For more information see Robotic Navigation with Constraints Home Page or J.A. Sethian's Home Page ROBOSIM (JAVA APPLET) - T. Bräunl, Mobile Robot Lab., Department of Electrical & Electronic Engineering, University of Western Australia, Perth, Australia VERY VERY EXTENSIVE. "RoboSim is a very simple simulation system for a 6 degres of freedom robot manipulator." For more information see Thomas Bräunl's Home Page or the Department of Electrical & Electronic Engineering Scanners SCANNING RESOLUTION CALCULATIONS SCANNING RESOLUTION CALCULATOR - Bladen Lithographics, Inc. For more information see Tools or Bladen Lithographics, Inc.

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