Engineering, 17.04.2020 03:11 lizzyhearts
Refer to the attached DC Motor datasheet (see below) that we covered in the Actuators lecturesearlier in the semester. The goal is to control the speed of this motor via the following set-up:The Digital Controller available to us is an Arduino board similar to what you are using in your projects and themotor driver (PWM amplifier) is also similar to what you are using in your projects. The Arduino board has an8-bit Digital to Analog convertor (DAC). The motor specifications are provided in the attached datasheet. Thepower supply is a 24V DC power supply that is regulated to be very close to 24V (you can assume exactly 24Vfor your calculations).The objective is to control the DC motor to operate at 1000 RPM. Given the resolution of DAC, how close canthe motor get to this desired rpm? Please show detailed calculations and explicitly state all your assumptions.
Answers: 2
Engineering, 04.07.2019 18:10, anna22684
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:20, hayleymckee
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
Answers: 2
Refer to the attached DC Motor datasheet (see below) that we covered in the Actuators lecturesearlie...
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