Patrick Dalrymple Email & Phone Number

New York, Ny, Us

New York, Ny, Us

Manassas, Va, Us

Huntsville, Alabama, Us

• Led research and development activities related to quadcopter control schemes for the purpose of improving flight performance - developed proofs of concept in Matlab/Simulink and ROS; implemented custom code and modified existing code in PX4-Autopilot (C++); tested in SITL Gazebo• Conducted flight tests at various light conditions to characterize and improve autonomous drone features such as position hold and collision prevention

Contributed to the motor control aspect of a custom sewing robotic end effector to be used in a car manufacturing plant • Coded test programs using TwinCAT software to experiment with the timing of the needle motor and the looper motor • Created physical test setup by connecting motors, power supplies, controllers, and encoders (involved wire stripping, splicing, and crimping)

Hoboken, Nj, Us

Academic Projects:Mobile Robot Perception and Navigation• Created algorithms in Matlab to allow for a robot's autonomous traversal of an obstacle course• Utilized computer vision, distance sensors, and odometry sensors to allow for robot localization and landmark detectionMobile Robot Simultaneous Localization and Mapping (SLAM)• Utilized Matlab to simulate a mobile robot traversing a hallway to detect door landmarks via LIDAR sensors• Implemented Linear Least Squares and Kalman Filter techniques to allow for robot's localization and mapping via noisy sensor measurementsMobile Robot Path Planning• Implemented nearest neighbor and rapidly expanding random tree (RRT) algorithms in Matlab to find collision free paths for a mobile robot navigating an obstacle filled environment• Utilized a modified Kalman Filter technique to understand the robot's uncertainty propagation as it advanced along a given pathTracking Control of Robotic Manipulator Arm• Utilized Matlab and Simulink to simulate a 2 link manipulator arm for a paint spraying application• Implemented a trajectory generator, forward and inverse kinematic models, state feedback control, and a linear closed-loop observer to allow the robot to track a given trajectory Assistive Hip Torque Wearable Robot• Utilized Matlab and Simulink to simulate a wearable robotic exoskeleton for the purpose of providing assistive hip torque to a human leg• Implemented adapative frequency oscillators, nonlinear filter, and machine learning techniques to detect gait pattern and torque requirement of human subject and allow the robot to provide correct assistive torque at appropriate times during the gait cycleMotor Control using EtherCAT Communication• Performed research to configure motor controllers to operate over EtherCAT protocol via a Speedgoat real-time computer• Established bidirectional serial communication between Speedgoat real-time computer and a Teensy microcontroller for data collection purposes

New York, Ny, Us

• Advised Fortune 500 clients on claiming maximum depreciation tax deductions through data intensive fixed assets review processes and engineering analyses of large scale construction projects and real estate portfolios.• Performed detailed reviews of construction blueprints to identify building systems and structures eligible for accelerated cost recovery periods. • Conducted site visits of large scale construction projects to engage with client technical representatives and verify analyses in field.

New York, Ny, Us

Woking, England, Gb

• Researched ergonomic design of gas cylinder transport carts for the purpose of improving ease of handling to limit strain on workers.• Identified cylinder transport cart design flaws and recommended a more robust wheel and cart attachment method to maximize mobility and decrease cart maintenance costs.

• Studied sustainable design and living concepts in Freiburg, Germany, a city on the forefronts of sustainable urban planning. • Assisted leading German sustainable design architect with incorporating sustainability and energy efficient principles into residential housing projects.

Bachelor Of Science (Bs), Mechanical Engineering

Master Of Engineering - Meng, Mechanical Engineering - Robotics