Biped Generation #3

Fall 2016 Biped – Updated Motor Study

By: Alan Valles (Electronics and Control) Approved by: Ijya Karki (Project Manager) Table of Contents Introduction: The purpose of this document is to further analyze the constraints for our DC motor. This motor will convert drive the crank that our linkage based leg system will use to walk. Analysis/Data: One simple design is to use a […]

Fall 2016 Biped – Color Sensor Experiment

Color Test Blog Post By: Alan Valles (Electronics and Control) Approved by: Ijya Karki (Project Manager) Table of Contents Introduction: The purpose of this experiment is to find the optimal distance between the phototransistor, TCS 34725 photo transistor, and the surface of the object to be read. This distance will allow us to create a cavity […]

Fall 2016 Biped – Updated Requirements #5

Table of Contents Draft 5 By: Brandon Perez (Missions, Systems, and Test Engineer) Approved by: Ijya Karki (Project Manager) Introduction Included is the post CDR updated requirements with an explanation of the quantitative values used. Level 1 Requirements Shall be ready to participate in the game “Save the Human” on December 14th, 2016. Comment : […]

Fall 2016 Biped – Updated System/Software Block Diagrams

Table of Contents Updated Diagrams By: Brandon Perez (Missions, Systems, and Test Engineer) Approved by: Ijya Karki (Project Manager) Introduction Included is the post CDR updated system and software block diagrams. System Block Diagram This is Biped’s most up-to-date System Block Diagram. Start with the 3-Dot board block diagram provided in the 3-Dot folder. On […]

Fall 2016 Biped – Arexterra Control Panel

Table of Contents Control Panel By: Brandon Perez (Missions, Systems, and Test Engineer) Approved by: Ijya Karki (Project Manager) Introduction The predefined move command in Arxterra Control Panel located at address 0x01 operates under parameters set by the Directional Buttons (D-PAD) widget which is already on the control panel by default. Panel Image Discussion How […]

Fall 2016 Biped – Updated Mass and Power Allocation

By: Brandon Perez (Missions, Systems, and Test Engineer) Approved by: Ijya Karki (Project Manager)   Table of Contents PDR Mass Report CDR Mass Report Changes to Mass Report: New mass report is more organized and more easily read. Lots of items were bundled into the miscellaneous section. Ultrasonic sensors were taken out. All known masses […]

Fall 2016 Biped Requirement Progression

By: Brandon Perez (Missions, Systems, and Test Engineer) Approved by: Ijya Karki (Project Manager) Table of Contents Requirements 1st Draft September 4th, 2016 Level 1 1.Shall be finished by the 9th of December, 2016 as designed in the CSULB calendar to correspond with the duration of the EE 400D class. http://web.csulb.edu/~hill/ee400d/F’16%20Syllabus.pdf 2.Shall use a 3Dot […]

Fall 2016 Biped Experiment/Trade off Study- Encoder

Table of Contents Encoder Specification By: Alan Valles (Electronics and Control Engineer) Approved by: Ijya Karki (Project Manager) Introduction A rotary encoder must be used to get the positional reading of the motor shaft. This information is key in understanding which part of the walk cycle the robot is in. For example, if the robot’s right foot […]

Fall 2016 Biped Experiment- Ankle Servo

Servo Ankle By: Alan Valles (Electronics and Control Engineer) Approved by: Ijya Karki (Project Manager) Table of Contents Introduction An unique design of Fall 2016 BiPed is the use of ankle servos. An experiment was done in order to see how much mass/weight can be held up on one ankle servos at a time. This is […]

Fall 2016 Biped Trade Off Study- Ankle Servos

Table of Contents Ankle Servo Selection By: Alan Valles (Electronics and Control Engineer) Approved by: Ijya Karki (Project Manager) Introduction The most recent design calls for 4 servos to be utilized. Two servos will function to shift the center of mass onto the planted foot during walking motion. The remaining servos will as the ankle which […]