Arduino Sine Wave Generator

The project is about developing an Arduino based AC motor control. In a previous project I have tried to use the Arduino to generate a PWM signal, that is later on filtered and amplified to generate a proper sine wave, that can be altered by frequency and amplitude to control a motor. Unfortunately with the current code it turned out, that the Arduino is not able to generate a stable sine, that will keep frequency and amplitude on a constant level over a longer amount of time - for several hours, but ideally as long as the Arduino is powered up. In a first step the given code shall be reviewed and optimized, to keep the PWM/sine signal stable. If necessary a new approach has to be found (based on the Arduino). The project will require availability of at least an oscilloscope, multimeter and an Arduino Uno board.

Квалификация: Arduino, Программирование на С, Электротехника, Электроника, Микроконтроллер

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О работодателе:
( 8 отзыв(-а, -ов) ) Stuttgart, Germany

ID проекта: #18347266



Hi, I've read both the job description and the code to diagnose this problem and I think I got the problem now, the code attached predicts the value of theta and then distribute duty cycles to sin and cos windings d Больше

€210 EUR за 3 дней(-я)
(4 отзывов(-а))

20 фрилансеров(-а) в среднем готовы выполнить эту работу за €179


Frequency of the signal generated by Arduino should be enough stable. If you need a stable amplitude - I would propose to use a feedback (voltage measurement) to adjust it. But Arduino's built-in ADC has a very low pr Больше

€100 EUR за 7 дней(-я)
(68 отзывов(-а))

Hi. I'm professional programmer/electronic hardware developer with experience over 20 years. I very well know Arduino platform and I can help you. Regards, Alex.

€250 EUR за 10 дней(-я)
(29 отзывов(-а))

Hi I'm an electronic engineer with more than 5 years of experience in Arduino based systems design. Im applying for the project as I have previous experience on working on sine waves. As for suggestion, I think the be Больше

€250 EUR за 7 дней(-я)
(28 отзывов(-а))

I have more than 5 years experience in embedded systems and Arduino . so I can do your job within a time limit with your satisfaction.

€500 EUR за 20 дней(-я)
(8 отзывов(-а))

Hi, I'm Ganapathy Mechatronics engineer having experience in embedded and Power electronics I'm interested in your project , what your code lack is a feed control the output waveform deforms with the load variation , Больше

€100 EUR за 5 дней(-я)
(20 отзывов(-а))

Hi, I'm an electronic engineering student from Argentina. I've been working in freelancer.com for more than two years, and I've completed more than a dozen projects, all with good recommendations, you can check my prof Больше

€100 EUR за 7 дней(-я)
(11 отзывов(-а))

Hi Dear, I am an Electronics Engineer who has more than 4 years of experience in embedded system firmware development. This is very simple job for me. please check my previous jobs too. I can complete this job Больше

€150 EUR за 3 дней(-я)
(8 отзывов(-а))

I CAN DO THIS PROJECT FOR YOU . GOOD LUCK -------------------------------------------------------------------

€100 EUR за 7 дней(-я)
(4 отзывов(-а))

I am Senior Embedded Systems & C/C++ developer. Developer expert on VC++, Eclipse Mars for C/C++, gcc,g++ in Win and Linux. OpenGL, OpenCV, Cuda. Developer expert on low level programing on C/C++. Expert on PIC, A Больше

€250 EUR за 10 дней(-я)
(3 отзывов(-а))

Hello Dear Employer, I am an expert in Arduino. I am experienced with similar project as you need. Please check my portfolio. You can found it in my profile. I used here PWM signal. Then filter it by a LC circuit Больше

€200 EUR за 3 дней(-я)
(1 отзыв)

Dear sir I am Arduino expert with an experience of many past projects I will be pleased to do the task for generating sine wave as needed

€194 EUR за 7 дней(-я)
(2 отзывов(-а))

I have just done such project and I am familiar for arduino motor. I have a development board, so that I can finish ASAP. I am all ready for hardware and software.

€155 EUR за 3 дней(-я)
(3 отзывов(-а))

Greetings! I am an electronic engineer and having 3+ years of experience of working as embedded engineer. I am well versed in Arduino Ide programming, sensor integration, raspberry pi all models, python, embedded c, pr Больше

€150 EUR за 3 дней(-я)
(4 отзывов(-а))

I have experience in programming Arduino and knowledge in logical programming and also circuits design and simulations. Please message me to discuss further. I have Arduino hardware with me now. Thank you.

€166 EUR за 3 дней(-я)
(1 отзыв)

I'm an Automation and Robotics engineer and I have a the availability of oscilloscope and multimeter in my university lab. I'm currently in the third year of this degree and I can write you that code which generates a Больше

€80 EUR за 15 дней(-я)
(1 отзыв)

Hello, I am interested in your project and I hope to help you realize it, I am passionate about electronics and embedded development and I hope to share with you my knowledge and experience. I can do this work in 7 Больше

€170 EUR за 7 дней(-я)
(0 отзывов(-а))

I am an electronics engineer. I am experienced on Arduino and AC motors. I have the required devices oscilloscope, multimeter and an Arduino Uno board in my laboratory.

€166 EUR за 10 дней(-я)
(0 отзывов(-а))

hey hopefully you will be fine i am very good in robotics field i have designed many projects and have very good command on arduino. i prefer to used arduino uno and cytron motor controller . once contact with me def Больше

€140 EUR за 3 дней(-я)
(0 отзывов(-а))

Dear client, I have read and understood your proposal for a designer with keen interest i am applying for Arduino Sine Wave Generator job because my skills, qualification match your requirements for this position tha Больше

€155 EUR за 3 дней(-я)
(0 отзывов(-а))