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  • Three-dimensional digitiser
    I wrote to several companies and received information on pre- assembled parts like linear drive units and ultrasonic proximity detectors , that could have been used in the project .
  • Autonomous Mobile Robot: Path Planning Using Backward Chaining
    The sensors identified for the construction of the AMR in this project are ultrasonic proximity detectors , and electronic magnetic compass. The ultrasonic detectors are placed on the front, left and right face of the robot to ensure …
  • CR4 - Thread: simple projects on proximity sensor
    Re: simple projects on proximity sensor ultrasonic wave detector and microwave etc.
  • FY01 LDRD Annual Report
    The goal of this project is to develop a suite of new low-power integrated microsensor systems … The focus of Sandia’s work is on two primary sensor classes. Several possible devices in this class include microglobal positioning systems (GPS), magnetometers, ultrasonic or optical detector systems (for proximity detection), and single-chip radio- frequency (RF) transceivers.
  • Fire-fighting mobile robotics and interdisciplinary design-comparative perspectives
    MiniBob employs six IR-ranging sensors (Sharp Model GP2D12) and a Hammamatsu ultraviolet (UV) flame detector that drive a fuzzy-logic navigation engine running on a Motorola MC68HC332 microprocessor. … TCFFHRC, more than 15 engineering students have com- pleted open-ended senior design projects related to robotics. These have included a capacitive proximity sensor, a mi- crocontroller-to-digital-signal-processing interface, dc motor controllers, a vision system for mobile robotics, an ultra- sonic -ranging system, and an autonomous land vehicle ALVIN.
    Famous examples for location-aware systems are various tourist guide projects where information dependent to the current … A couple of different location aware infrastructures are available to collect position data: GPS satellites, mobile phone towers, badge proximity detectors , cameras, magnetic card readers, barcode readers etc. These sensors can provide either position or proximity information, the appropriate sensor depends on the use: they … … indoor location sensing system: In [24] Harter et al present a location-aware system using ultrasonic technique.
  • Autonomous vehicles
    In particular, Robart- I could alter the direction of its motion if an obstacle was sensed and relied on a combination of ultrasonic waves (to measure forward range), near-infrared proximity detectors , tactile feelers and bumper switches. RESEARCHISSUES The milestone projects cited above served to highlight the deeper, long-term issues that still remain …
  • CR4 - Blog Entry: Magnetic Levitation
    I have been working feverously on my latest project which is the construction of a 1/32 scale model of the Apollo Command, Service and Lunar Modules and the Saturn V launch vehicle. To sense the position of the model I have built an ultrasonic proximity detector kit that returns a voltage signal that is directly proportional to the position of the model.
  • International Encyclopedia of Robotics: Applications and Automation Volume 2 Complete Document
    Considering the rather limited funding available, the results of the project are rather remarkable. • One fixed, forward looking ultrasonic sensor used to pro- vide ranging information of up to 10 … • One near-infrared proximity sensor mounted in the move- able head and placed at the focal … • Ten, short range (ie, 18 in.) near-infrared proximity detec- tors placed at different locations on the body used to help guide the robot through narrow passages such as halls and doorways.
  • International Encyclopedia of Robotics: Applications and Automation Volume 3 Complete Document
    A much improved version of the medium- range near-infrared proximity detector used on Robart I (6) employed a programmable array of four high-powered LED emitters, with a range increased to 5 m. … excellent angular resolution of this sensor complemented the range information obtained from the ultrasonic range finder and … … world model em- ployed by the robot, wherein objects were represented by their projection on the X …
  • Computer Vision Systems
    A face detector and simple human shape model have recently been used to identify and track people. … content descriptions with motion verbs (“moves”, “gestures”), spa- tial and temporal prepositions (“ on top of”, “beside” … … the proposed cog- nitive inference framework arise from the “sentient computing” ([17,1]) project developed at AT&T … This system uses mobile ultra- sonic sensor devices known as “bats” and a receiver infrastructure to gather high- resolution location information for tagged objects such as people and machines in order to maintain a sophisticated software model of an office environment. … people, computers, phones, devices, cameras, furniture etc.), and event states (motions, spatial overlap, proximity , button events etc.).
    The distal sensors were ultra- sonic sonars, rather than visual; economical circuits were evolved to allow the robot to guide itself to the centre of a rectangular enclosure using sonar responses. Cli¡ & Miller (1996) evolved CTRNNs for simu- lated 2D agents using projective geometry to give a … The predators were selected for on the basis of their ability to approach, chase, or capture individuals … Finally, Beer (1996) evolved CTRNNs for simulated agents with distal sensing using either ¢ve or seven directional proximity detectors : the agents had to perform what Beer refers to as `minimally cognitive tasks', i.e. behaviours that would usually be assumed to require …
  • Multiple sensors based obstacle detection system
    … be used in ODS are laser sensors, sonar sensors, radar sensors, vision sensors, proximity sensors and etc. The selected sensor for this project is based on the following characteristics: miniature, low cost and good sensing range to detect the obstacles. … 12] , Chung-Hsien, K. et al. [10] and Jyh-Hwa, T. [13] used ultrasonic sensors in their … … brought up the ultrasonic sensor accepted to be used in the commercial assistive devices as obstacles detector .
  • The Vertical Transportation Handbook 4th Edition
    The proximity -type of door detection w as developed based on the natural phenomenon that all people and objects have a degree of electrical capacitance to ground. The further development of ultrasonic detectors may provide more reliable and less sensitive door protection. The photoelectric device projects a beam of light across the entrance which, when intercepted, also provides a …