Aditya Ghadiali

Mountain View, California, United States Contact Info
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Carnegie Mellon University - Robotics Institute

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Licenses & Certifications

Publications

  • Determining Device Position Using Ultrawideband to Customize Surround Sound

    Technical Disclosure Commons

    Traditional surround sound experiences require precise placement of speakers at positions that are optimal for audio playback. Even after a careful setup, the audio experience may suffer depending on where the user sits relative to the speakers, since there is no way to intelligently adjust the equalizers for the different speakers distributed in space without localization information about the speakers. The techniques described in this disclosure utilize ultrawideband ranging to determine the…

    Traditional surround sound experiences require precise placement of speakers at positions that are optimal for audio playback. Even after a careful setup, the audio experience may suffer depending on where the user sits relative to the speakers, since there is no way to intelligently adjust the equalizers for the different speakers distributed in space without localization information about the speakers. The techniques described in this disclosure utilize ultrawideband ranging to determine the relative position of different audio playback devices in an environment and the position of the user. A central node customizes the audio streams provided to each speaker device based on the determined position. If any of the speaker devices are moved to a different position or removed from the environment, if new speaker devices are added, or if the user’s position changes significantly to a different fixed location during playback, the central node can automatically adjust the audio stream for the new environment, without the user having to perform manual reconfiguration.

    See publication

  • Infrasonic Waves Sources, Effects, Generation and Applications

    International Journal of Recent Advances in Engineering & Technology

    This paper describes the generation and
    applications of infrasonic waves. Lying below the audible
    range of acoustic waves for humans, infrasound is a type of
    sound wave which has seen various degrees of success in a
    variety of applications such as soot cleaners and leakage
    detection and localization of pipelines. This paper explores
    the sources and impact of infrasonic waves on the human
    body as well as the circuitry to accurately generate
    infrasound signals of…

    This paper describes the generation and
    applications of infrasonic waves. Lying below the audible
    range of acoustic waves for humans, infrasound is a type of
    sound wave which has seen various degrees of success in a
    variety of applications such as soot cleaners and leakage
    detection and localization of pipelines. This paper explores
    the sources and impact of infrasonic waves on the human
    body as well as the circuitry to accurately generate
    infrasound signals of appropriate amplitude and
    frequency. Also, the various applications involving these
    omni-directional waves and their viability are discussed
    including their application in the detection of natural
    disasters, industrial cleaning applications as well as the
    applications in wildlife conservation.

    Other authors
    See publication

Patents

  • Compensation of environmentally-induced drift in an electrochemical carbon-monoxide sensor

    Issued US11493492B2

    Methods of the disclosed subject matter provide compensation for sensor drift in a hazard detection device having a plurality of sensors coupled to a processor to determine that a carbon monoxide sensor is drifting and to compensate for the drift by calculating a corrected carbon monoxide measurement value based on the ambient environmental conditions.

    Other inventors
    See patent

  • Radar-Based Wake Sensing Systems

    Filed US63/468,324

  • Security camera with angled cable attachment for increased downward-viewing angle

    Filed WO2022066287A1

    This document describes a security camera with an angled cable attachment for an increased downward viewing angle. The security camera is battery-powered and can be magnetically coupled to a mounting device and electrically connected to another device via a cable. The cable has a cable attachment that, when coupled to the security camera, is angled toward a front of the security camera. This cable angle enables an increased downward tilt angle of the security camera by reducing interference of…

    This document describes a security camera with an angled cable attachment for an increased downward viewing angle. The security camera is battery-powered and can be magnetically coupled to a mounting device and electrically connected to another device via a cable. The cable has a cable attachment that, when coupled to the security camera, is angled toward a front of the security camera. This cable angle enables an increased downward tilt angle of the security camera by reducing interference of the cable attachment with the mounting device when the security camera is tilted downward. The security camera also has exposed contacts on a printed circuit board that connect with pins on the cable attachment.

    Other inventors
    See patent

  • Sensor-Based Privacy-Event Detection for a Mounted Electronic Device

    Filed WO/2023/277933

    Sensor-based privacy-event detection for a mounted electronic device is described. In aspects, a security system (100) includes a head assembly (104) removably and magnetically coupled to a mounting device (602) having a magnet (902). The electronic device also includes a camera module and a sensor (500) disposed within the housing. The sensor detects a magnetic field associated with the magnet when the head assembly is coupled to the mounting device. When a user detaches the head assembly from…

    Sensor-based privacy-event detection for a mounted electronic device is described. In aspects, a security system (100) includes a head assembly (104) removably and magnetically coupled to a mounting device (602) having a magnet (902). The electronic device also includes a camera module and a sensor (500) disposed within the housing. The sensor detects a magnetic field associated with the magnet when the head assembly is coupled to the mounting device. When a user detaches the head assembly from the mounting device (e.g., to recharge the electronic device), the sensor no longer detects the magnetic field and determines the occurrence of a privacy event, which is used to deactivate the camera module to prevent unintentional recordings during the privacy event.

    Other inventors
    See patent

  • Event length dependent cool-off for camera event based recordings

    Filed WO2021230961A1

    A method including, at a camera, detecting motion in a field of view of the camera using a motion sensor, initiating processing of video data corresponding to the field of view in which the motion was detected, ceasing the processing after a first time duration, and determining a cool-off period for the motion sensor, the cool-off period having a second time duration based on the first time duration during which the camera does not detect motion using the motion sensor.

    Other inventors
    See patent

  • Sensor-Based Tamper Detection for Mounted Electronic Devices

    Filed US20220268860A1

    An electronic device including a mounting device configured to couple to a surface, a head removably coupled to the mounting device and including a housing, a magnet attached to the mounting device, and a sensor disposed within the housing. The sensor detects a magnetic field associated with the magnet when the head is in a first position relative to the mounting device and detects the magnetic field associated with the magnet when the head is in a second position relative to the mounting…

    An electronic device including a mounting device configured to couple to a surface, a head removably coupled to the mounting device and including a housing, a magnet attached to the mounting device, and a sensor disposed within the housing. The sensor detects a magnetic field associated with the magnet when the head is in a first position relative to the mounting device and detects the magnetic field associated with the magnet when the head is in a second position relative to the mounting device, the second position being different than the first position.

    Other inventors
    • William Alan Saperstein
    See patent

Projects

  • Aerial Robotic Choir

    -

    The development of robotics has opened new avenues for the entertainment industry. Through this project, we aim to explore one such avenue: the creation of a musical quartet of quad-rotors that "sing" musical tones by controlling their throttle with feedback. The rotation of quad-rotor propeller blades generates an acoustic tone; the fundamental frequency of this sound can be controlled by varying the speed of rotation. While typical applications in robotics would aim to minimize this sound, we…

    The development of robotics has opened new avenues for the entertainment industry. Through this project, we aim to explore one such avenue: the creation of a musical quartet of quad-rotors that "sing" musical tones by controlling their throttle with feedback. The rotation of quad-rotor propeller blades generates an acoustic tone; the fundamental frequency of this sound can be controlled by varying the speed of rotation. While typical applications in robotics would aim to minimize this sound, we look to sense and process it, using it as an input to the controller. The proposed solution involves the use of quad-rotors which are tethered to the ground using an elastic material to allow a wide range of throttles (and therefore musical tones) while keeping the robots within a constrained area. The result is a visual and auditory spectacle, demonstrating the confluence of robotic control and music.

    Other creators
    See project

  • Morpheus Skates: Intuitive Locomotion for Virtual Reality

    -

    Also known as Stepping Stones - Total Immersive Gaming.

    Consumer virtual reality technology is advancing by leaps and bounds. However, efforts have been primarily focused on viewing the virtual world. To be truly immersed, people must be free to explore and interact with the environment unfettered. Unfortunately, the products that are available for home use are noticeably limited in sensation and reachable space, while those that can offer immersion are necessarily restricted to…

    Also known as Stepping Stones - Total Immersive Gaming.

    Consumer virtual reality technology is advancing by leaps and bounds. However, efforts have been primarily focused on viewing the virtual world. To be truly immersed, people must be free to explore and interact with the environment unfettered. Unfortunately, the products that are available for home use are noticeably limited in sensation and reachable space, while those that can offer immersion are necessarily restricted to commercial spaces due to size and cost. Our team of CMU Robotics students leveraged our expertise in areas including system design, control theory, perception and planning, and bio-mechanics to solve this problem. By allowing people to walk indefinitely in a virtual world from the confines of their living room, and integrating this technology with the state of the art in visual feedback and hand controls, our system will provide a truly unparalleled immersive experience from the comfort of your own home.

    Other creators
    See project

  • Motion Compensated LSD-SLAM for Image Guided Surgery

    -

    This project proposes aiding of laparoscopic procedures through steady localisation and mapping using a monocular camera and minimal computation using a CPU(LSD-SLAM); compensating motion caused by tissue deformation by respiration in a dynamic environment.

    Other creators

  • Detection and Application of Muscle Signals for Prosthetics.

    -

    Aimed at sensing neural impulses to compute and carry out valid controlled actuation. The signal detected is conditioned and converted to digital form for manipulation and evaluation by a microcontroller. This data is then used to generate appropriate control signals for the end actuation. Such a system would find application in controlled or smart prosthetics.

    Other creators
    • Dev Patel

  • Infrasonic Wave Generator:

    -

    The generation and amplification of infrasonic acoustic waves (square and sine) used to drive a pair of speakers in order to study the effects (within safe limits) on the human body as well as the applications such waves may have.

    Other creators
    • Manav Trivedi
    See project

  • Flight Simulator

    -

    Role: Team Leader
    A joystick-controlled motion platform demonstrating two-axis motions using mechanical linkages. The joystick and buttons controlled the motion of the platform and the flaps (extension and retraction) of the plane used in the virtual interface

    Other creators
    • Siddhesh Verma
    • Sharmad Anaokar
    • Saquib Patwegar

Honors & Awards

  • SVKM President's Scholarship for Engineering

    SVKM's Dwarkadas J Sanghvi College of Engineering

  • SVKM President's Scholarship for Engineering

    SVKM's Dwarkadas J Sanghvi College of Engineering

  • SVKM's President's Scholarship for Engineering

    SVKM's Dwarkadas J Sanghvi College of Engineering

  • SVKM's President's Scholarship for Engineering

    SVKM's Dwarkadas J Sanghvi College of Engineering

  • Certificate of Excellence for outstanding performance in the State Engineering Entrance Examination

    Mithibai College (Chauhan College of Science)

  • Certificate of Merit: Grade 6(Rock and Pop) for Guitar

    Trinity College of Music, London

Languages

  • English

    Native or bilingual proficiency

  • Hindi

    Native or bilingual proficiency

  • Gujarati

    Limited working proficiency

  • Marathi

    Elementary proficiency

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