Cal Poly Pomona Projects

CPP FSAE

Helped in building portions of the splitter mold used for the carbon fiber making process.
Helped build a simulation cockpit prototype for drivers to practice using wood and an older chassis that can be used with any gaming wheels and computer/laptop system.
Helped in calculating the engine’s center of gravity using an engine hoist, string with a pointed weight on the end and a paper on the floor. This was potentially used to determine how the engine were to be mounted onto the chassis.
Learned about engine tuning

Aided in welding a gummy bear design and any fabrication work for the Rose Float.

Manager

- In charge of managing school and external performances by organizing and communicating with customers of details and cost.

Mechanical Design

Designed a modular cart to replace the old transportation cart made of PVC pipes.
- Currently images were lost but the design entails two width pieces with two wheels on each one. They are connected with two length pieces.

Two course projects with the same professor: one for an introduction to mechatronics undergraduate course and one for introduction to robotics graduate level course.
With a group, contributed to the design, CAD, reports with update presentations, and focused on the electrical system.
The first portion of the project was to developed a robotic hand that is controlled with a user glove that provide haptic feedback. Flex sensors are used to control the amount of movement on the robotic hand’s servos. Pressure sensors on the robotic hand, when triggered, sends a signal to send power to memory type spring wires that provide the ability to “feel”. This project was also used and helped a graduate student for developing her haptic feedback and virtual reality (VR) system.
Second portion explores the controllability of the robotic hand wirelessly and a different method of haptic feedback that explored the use of Magnetic Rheological (MR) fluid, also known as, ferro fluid.

A mechanical design course project. Developed a robotic arm to toss a ball and play the piano. Though it did not performed as intended, the arm still worked and could be improved.
My role was to develop the electrical system overlapped to the launching and hinge system.
- Using projectile motion to calculate required initial tossing force. The required arm torque is then calculated.
- The launching mechanism uses torsional spring and a motor to move the arm back. To release it, a solenoid pin system is used. However, the entire mechanism did not quite work as intended due to the weight being further forward toward the hand than the launching mechanism. Further, there were areas of too much friction. Last minute addition was to add additional linear springs to pull the arm forward once release.
- System used five servos and fishing wires to control the fingers and a high torque motor to rotate the entire hand guided with four rollers.
- Helped in CAD Solid Works Assembly of the launching mechanism.

Purpose is to launch a rocket up to a certain altitude.
Researched and chosen material for the air braking system.
Performed calculation of stresses and forces around the air braking system mechanism especially for buckling in areas with less width from the cutouts on the carbon fiber body. Calculated center-of-gravity of the electronic bulkhead and making sure the electronics are laid out with the center-of-gravity mostly in the center of the bulkhead.
Contributed to the final report of this competition project.
Learned about rocketry, its source of fuel for this type of competition, carbon fiber and epoxy resin processes, parachute installation and folding, and launching procedures and safety.
Flaps are 3D printed
Housing and linkages is made from CNC process out of an aluminum 5052 or 6061 block.
To control the mechanism are hobby high torque servos.

Used dynamics and physics to develop a mathematical differential equation model that provides the motor torque.
Planned to use classic control theory to design a controller and simulate through Simulink.
Group of Five with me taken on a leadership role in leading the group meetings and project as well as the main person to communicate with our advisor/mentor for our project.
Resulted in a working open-loop prototype.
Contributed in the final report, documentations.

Several groups combined to develop and build a working hot dog dispenser that first when senses a hot dog bun, the hot dog will be dispensed. It then continues to rotate to the mustard and ketchup dispensing stations.
My group is in charge of the hot dog dispenser. I helped in idea exploration, sourcing and building the assembly and programming the mechanism. Most components were reusable from everyday household items or parts from previous projects. It is made of a shampoo bottle with a rotation mechanism connected to a motor with gears setup for maximum torque. An Arduino microcontroller controls the timing and actuating the mechanism.

Develop and build a working motorized lazy susan with full drawing and assembly using Solid Works.
A group of two. My work entail in choosing and sourcing the motorized components as well as programming the Arduino microcontroller.

Course project in building a car robot that has a tracker sensor in detecting between light and dark colors. It is programmed to constantly change direction when detecting certain colors in a loop.
A proximity sensor is attached to stop if an obstacle appears. Depending on the goal of the track, it will be programmed accordingly such as stop then move around the obstacles.

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