These students had virtually no previous experience with control design. Modeling the Electronic Differential. The challenge for teams is to collaborate with peers to design the interconnecting hardware and to create the algorithms that will give a vehicle the competitive edge. I burned one out quite quickly when testing the stall characteristics, thinking it was equivalent to the spec sheet denoted here – instead, it drew about 2x the current specified in the datasheet and started smoking as soon as I stalled it, drawing about 8A right prior to becoming nonfunctional. Based on this analysis they decided to implement a proportional-integral PI controller for curved sections of the track and a simple proportional controller for straight sections. To help maintain control while cornering at high speeds, FEI-Minetors decided to implement an electronic differential. Date of the race:
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They combined the chassis and motor models to create a car model that calculated speed and acceleration based on the pulse-width modulated signal provided to the motor Figure 4. You might not have the time to document all your designs and concepts properly before sitting down to code or to create a piece of hardware, but you might want to create an ordered list of all the different tasks which will be necessary to finish the car, who will do those items, and when you want each task to be finished.
Purchase the kit 2.
Date of the race: Your message was succesfully sent! Based on this analysis they decided to ffreescale a proportional-integral PI controller for curved sections of the track and a simple proportional controller for straight sections.
So we can’t find the command signal to go straight.
The NXP Cup EMEA | NXP Community
Select a Web Site Choose a web site to get translated content where available and see local events and offers. Hello, In the recent light of last finals I would like to clarify one specific ability of the car and a certain situation. Lighting And in one message it’s wrote: Via simulations, the students identified nonlinearities in the system and studied their effect on the initial controller design.
Therefore, I took some time and used those characteristics in conjunction with the characteristics I observed, and deduced that it must be closest to this motor:.
Freescale Cup Motor Driver Board
Building the Car and Selecting Design Tools. Therefore, I took some time and used those characteristics in conjunction with the characteristics I observed, and deduced that it must be closest to this motor: This will delete the project.
As noted above in https: You may want to read up on PID controllers, or other types of control systems. Team Rules and Requir The Freescale Cup allows engineering students at Slovak University of Technology STU and other European universities to compare their abilities with those of students at top schools around the world.
Hi, after some extensive sleuthing over the ‘net with the various incomplete specs that have been given about the 2 generations of motors, I’ve concluded that the motors are not, in fact, the RS motors that are noted, but actually motors with the size and winding.
These are quite well ckp with the Jameco motors. In addition to what is provided in the kit, you will need several other tools you will need to design and build a working intelligent car.
Modeling the Electronic Differential. Simulink system model with noise source. The software provided in this wikiwill get you started in your task of creating an intelligent car.
Choose a web site to get translated content where available and see local events and offers.
Are there any special features that you might want to add to your car — such as real time debugging? There are no requests to display.
Freescale Cup DC Motor Specifications
Thanks last modified by Thibault Ferrante. Organized by Freescale Semiconductor, the Freescale Cup competition challenges freesczle teams worldwide to build intelligent autonomous model cars and race them around a track with speed bumps, intersections, hills, and chicane curves.
Some testing that I did seems to corroborate the fact that it is quite similar if not identical to the noted motors:. Must have Useful Optional 2. By requiring all teams to use the same low-cost hardware, the competition organizers level the playing field.
I thought it wasn’t possible but i saw this topic: I know it is in old CW v6.