Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"Motor Controller"”.
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Microprocessor based step motor controller
Typescript (Photocopy)
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Design of Motor Controller for Intragastric Applications
… design and possible utility of an intragastric motor controller which has the capability to remain within the stomach for long periods of time performing simple tasks or acting as a long term stomach health monitor. This device was designed using a custom PCB which would be powered by a Li-ion …
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Design of motor controller water cooling system for a Formula SAE electric racecar
… design of a water cooled cold plate system for motor controller used in an FSAE Electric racecar. Models for pressure drop and rate of heat transfer along with the constuction of Computational Fluid Dynamics (CFD) simulations are presented to predict the pressure drop and heat transfer rate. The …
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Design and Implementation of a Dual Axis Motor Controller for Parallel and Serial Series Elastic Actuators
… actuators are custom designed and use electric motors, however most off-the-shelf electric motor drives are not designed for this specific application. In this paper, the hardware and software architecture of a control device designed specifically for force controlled series elastic actuators is …
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Design and Implementation of a Scalable Real-Time Motor Controller Architecture for Humanoid Robots and Exoskeletons
… nature of the underlying hardware. Also the motor controller needs to run fast and interface with several sensors. The commercially available motor controllers generally do not satisfy all the requirements of speed, reliability, ease of use and small size. This work presents a custom motor …
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Model of the Air System Transients in a Fuel Cell Vehicle
… system included the air compressor, the drive motor for the compressor, the motor controller, and any plumbing between the fuel cell inlet and the compressor outlet. The procedure was to collect data from a series of tests of the air delivery system with no load (zero outlet pressure) and at …
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Design and prototyping methods for brushless motors and motor control
… custom brushless permanent magnet synchronous motors are explored. Three case-study motors are used to develop, illustrate and validate the methods. Two 500W hub motors are implemented in a direct-drive electric scooter. The third case study, a 10kW axial flux motor, is used to demonstrate the …
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Performance Simulation and Powertrain Selection for an Electric Drift Trike Vehicle
… profiles of the trike are simulated to select a motor and chain drive ratio for the vehicle. A motor controller and battery system are selected to match the requirements of the drive motor. System architecture and safety features of the trike’s electrical system are explained through the startup …
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Design and construction of a dynamometer
… useful tool for any electrical system where the motors must be selected from various suppliers and fully characterized. Motor suppliers usually provide a torque, speed, efficiency curve, but it frequently lacks complete motor characterization and includes motor controller losses in the total …
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The design and construction of electronic motor control and network interface hardware for advance concept urban mobility vehicles
… efforts. The designs for a high-current motor controller and two electronic sensing and control interfaces are described, and several strategies for further control systems development are proposed.
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Low cost, high performance actuators for dynamic robots
… cheap, yet very power and torque dense electric motors. However, these motors have for the most part been neglected by the robotics community. This thesis documents the development of a hardware, firmware, and controls platform for using these motors in robotics applications - specifically for …
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State estimation for a holonomic omniwheel robot using a particle filter
… to use a Particle Filter to estimate state. The motor controller was developed to control robot vectoring and report odometry, and noise analysis on an absolute positioning system, Ubisense, was performed to characterize the system. High frequency noise confounds the Ubisense measurement of 0, …
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Robotic Fingerspelling Hand for the Deaf-Blind
… prototyper. Its fingers are actuated by 11 Maxon motors, and its wrist is actuated by 2 Hitec servo motors. The motors are controlled by Texas Instruments L293D motor driver chips, ATtiny2313 slave microcontroller chips programmed to act as motor controllers, and a master ATmega644p …
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Prototype development and testing of active yaw moment control system using vehicle momentum wheel
… any irregularities in the system model design. Motor controller board provides enough current to generate the required torque. All the calculations are done using Advanced RISC Machines (ARM) microcontroller. System dynamics are analysed on the computer using LabVIEW software.
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MIT Electric Vehicle Team Porsche designing a cooling system for the AC24 electric motor
… analysis of a cooling system for the electric motor of the MIT Electric Vehicle Team's Porsche 914 Battery Electric Vehicle. The vehicle's Azure Dynamics AC24 motor tended to overheat (up to around 140C), which caused the motor controller to limit the maximum power of the motor. The maximum …
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Design of an FSAE Cooling System for Electric In-hub Motors
… the design of water cooled electric in-hub motors for use in high power automotive applications such as Formula SAE Electric student racecars. The main components of the drivetrain of the 4WD electric vehicle are the motor and the motor controller. This thesis focuses on designing a reliable …
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Stored waveform adaptive motor control
… control scheme designed to maintain accurate motor speed control in spite of high-frequency periodic variations in load torque, load inertia, and motor parameters. The controller adapts, stores and replays a schedule of torques to be delivered at discrete points throughout the periodic load …
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Design of a Printed Circuit Board for a Sensorless Three-Phase Brushless DC Motor Control System
<p>The use of brushless motors has increased in recent years due to superior performance characteristics compared with alternatives. The operation of a brushless motor is dependent upon a separate controller which is often in the form of a printed circuit board. As such, the size and performance …
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Design of a high torque density modular actuator for dynamic robots
… modular actuators consist of a hobby brushless motor with an internal planetary gearbox, a motor controller and a position sensor. This thesis documents the design and manufacturing of the new generation of Mini Cheetah-sized actuators. The new design utilizes a custom rotor design and a new …
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Novel Core Technologies and Systems for Magnetic Resonance Compatible Robotics
… which operates from 18 remotely actuated stepper motors, provided motion inside the MRI scanner with submilimeter accuracy and minimal zipper artifacts induced to the images. The motion requirements lead of the phantom project led to the development of a closed-loop motor controller which enabled …
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