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I need a software control redesign for a generic inverter used in a 3kW electric motor on an Indian scooter. The primary goal is to improve the flux weakening phase advance, with a focus on accuracy of control. Requirements: - Redesign to enhance accuracy in flux weakening phase advance - Maintain or improve current sensor-based feedback mechanisms Ideal Skills and Experience: - Expertise in inverter control software - Strong background in flux weakening techniques - Proficient in sensor integration and feedback systems - Experience with electric motor control systems, particularly in automotive applications
ID do Projeto: 40152025
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Hello, I understand you need a software control redesign for a 3kW inverter used in an Indian scooter to improve flux weakening phase advance, with emphasis on accuracy and maintaining sensor-based feedback. I will start with a quick audit of the current control stack, map out the flux-weakening path, and implement a robust closed-loop strategy that tightens rotor flux regulation without sacrificing sensor reliability. The plan includes a clean firmware update, modular design for easy validation, careful calibration of the phase-advance timing, and thorough testing in simulation and on hardware-in-loop to ensure stability across the operating range. I will preserve your existing current/voltage sensors and feedback loop while adding safeguards for fault detection and safe shutoffs. Could you please share the current inverter hardware platform, sensor specs, baseline flux-weakening control method, any automotive safety standards to meet, and your preferred testing plan? Best regards,
$50 AUD em 31 dias
7,4
7,4

With respect to your Inverter Software Control Redesign project, I'm keen to bring my years of experience and expertise in electrical engineering, electronics, and embedded systems development to the table. Having extensively worked on designing high-performance printed circuit boards (PCBs) for power supply circuits and embedded systems, I'm confident in my ability to enhance the accuracy of the flux weakening phase advance for your inverter while maintaining or improving the current sensor-based feedback mechanisms you require. Regarding your specific needs, my profound understanding of programming microcontrollers including but not limited to STM32, DSPIC, ESP32 and ESP8266 grants me mastery over communication protocols that are employed in inverter control design. Furthermore, my specialization extends to RF circuit design among others and I see a potential application here given that electric motor control systems carry a significant intersection with wireless technologies. Additionally, as someone who deeply values reliability and efficiency in their work, I promise you a reliable solution that does not sacrifice performance or deadlines. I am excited at the opportunity to connect further and discuss with you how best I can contribute to this project. Let's work together
$50 AUD em 40 dias
6,7
6,7

As a seasoned web and mobile developer with a strong background in inverter control software, I understand the critical importance of improving accuracy in flux weakening phase advance for your generic inverter used in a 3kW electric motor. Your project requires a redesign that maintains or enhances current sensor-based feedback mechanisms, ensuring optimal performance. With over 10 years of experience, I have successfully completed projects in the automotive industry, specializing in software control systems for electric motors. My expertise aligns perfectly with the requirements of your project, as I have a proven track record in flux weakening techniques and sensor integration. I am confident that my skills and experience can help you achieve the desired improvements in control accuracy. Let's discuss how we can work together to redesign the software control for your inverter. Feel free to reach out to me to get started on enhancing the performance of your electric motor.
$50 AUD em 15 dias
6,1
6,1

Hi, I am writing to submit my proposal for the software control redesign of a generic inverter used with a 3 kW electric motor for an Indian scooter application, with specific focus on improving flux-weakening phase advance accuracy. I have a strong engineering background in motor drive control and inverter-based systems, including PMSM/BLDC control strategies used in automotive and light electric vehicle applications. My experience includes implementing and tuning flux-weakening algorithms, phase advance control, and current-sensor-based feedback loops to achieve stable high-speed operation while maintaining efficiency and thermal safety. For this project, my focus would be on: Redesigning the flux-weakening and phase advance control logic for higher accuracy and stability Improving current sensor feedback utilization for precise torque and flux control Ensuring smooth transition between base-speed operation and flux-weakening region Maintaining compatibility with existing hardware and sensing architecture Deliverables can include updated control algorithms, well-documented source code, tuning guidelines, and validation support using simulation or test data where available. I would be happy to review your current control approach, inverter platform, and motor parameters to propose a robust and production-ready solution. Kind regards,
$100 AUD em 50 dias
6,4
6,4

Hi, I can redesign your 3 kW scooter inverter control software to improve flux‑weakening phase advance accuracy, while maintaining (and typically improving) your current‑sensor feedback loop stability and repeatability. MY APPROACH - Baseline Review: Examine your existing FOC/commutation method, current sensing chain (shunts/Hall), sampling timing, PI tuning, and voltage limits that drive flux‑weakening behavior. - Accurate Flux Weakening: Implement a robust flux‑weakening strategy based on Vdq voltage limiting, with consistent phase advance under battery sag and speed/load changes. - Feedback & Observability: Improve current‑loop fidelity and ensure the estimator/angle source (Hall/observer) stays stable at high electrical speed. - Tuning & Validation: Provide a repeatable tuning procedure and validation tests for high‑speed operation. DELIVERABLES - Updated control design (flux‑weakening strategy + limits/transition logic) - Firmware changes (well‑commented) for your existing MCU/inverter platform - Test plan + acceptance metrics (high‑speed pull, battery droop, thermal/current limits) - Short tuning/commissioning guide for production repeatability TO START (KEY INFO) - Motor type: PMSM/BLDC? Sensor: Hall, encoder, or sensorless? - Inverter MCU + PWM frequency + current sensing - DC bus range, max speed target, and current/voltage limits - Current issue symptoms: oscillation, poor top‑speed torque, instability during weakening, etc.
$50 AUD em 40 dias
6,4
6,4

Being an Electrical Engineer with a strong background in Electronics and PCB Layout, I possess the necessary expertise to undertake your Inverter Software Control Redesign project. My keen understanding of inverter control software and significant experience in flux weakening techniques make me a perfect fit for enhancing the accuracy of flux weakening phase advance that you require. I'm adept in integrating current-sensor feedback mechanisms and can improve your existing system without sacrificing its quality. Moreover, fittingly experienced in automotive applications of electric motor control systems, I recognize the nuanced importance of sensor integration and accurate feedback for effective machine operation. This hands-on knowledge enhances my confidence in designing a control system that not only meets but exceeds your expectations. Not limiting myself, I also specialize in various CAD software such as AutoCAD and SolidWorks which enable me to design blueprints and model any equipment digitally before execution. Combining my skills in PCB layout design with these 2D/3D modeling capabilities, I can bring about a comprehensive and well-integrated solution that caters perfectly to your needs. Choosing me will ensure that you have a dedicated expert who takes utmost pride in delivering consistent quality
$50 AUD em 1 dia
5,3
5,3

Hi there! High-speed torque loss and unstable phase advance usually point to weak flux-weakening control. To resolve this, I’ll restructure the flux-weakening logic around accurate Id current regulation, ensuring phase advance is derived from real current feedback rather than fixed maps. The control loop will maintain DC-bus margin while stabilizing torque at high RPM, with attention to sampling timing and PI bandwidth limits. This keeps behavior predictable across Indian scooter load profiles and temperatures. ⚡ This is exactly the type of motor control problem I work on. ? Designed FOC inverters with active flux-weakening for PMSM/BLDC motors (2–5 kW) ? Tuned Id/Iq current loops using shunt-based sensing and ADC timing constraints ? Automotive-grade firmware focusing on stability, thermal limits, and ride feel Happy to review your existing control flow or test data and align on improvement targets. Delivering motor control firmware that stays stable beyond base speed. Best regards, Safeer Ahmad
$50 AUD em 40 dias
5,1
5,1

Hello! With extensive experience in inverter control software and a deep understanding of flux weakening techniques, we are well-equipped to redesign the software control for your 3kW electric motor on the Indian scooter. Our focus will be on enhancing the accuracy of flux weakening phase advance while ensuring seamless integration with current sensor-based feedback mechanisms. Leveraging our expertise in sensor integration, automotive applications, and control engineering, we will deliver a tailored solution to optimize the inverter performance. We use industry-standard software like MATLAB/Simulink for precise control algorithm development and implementation. Let's elevate your inverter's efficiency together! How can we support your project further?
$50 AUD em 26 dias
4,7
4,7

Best Inverter Control System Redesign Partner ⭐⭐⭐⭐⭐ Hi Mjdurack, Thanks for sharing the scope clearly. I’ve supported projects where electric motor inverters required careful control redesign, sensor integration, and precise testing before deployment. Your project looks very doable. The goal is simple: deliver an accurate, reliable flux-weakening phase advance control for your 3 kW scooter inverter while maintaining robust sensor feedback. ✅ How I’ll Help You Succeed 1. Review your existing inverter control system, motor specs, and sensor setup before making changes. 2. Analyze the flux weakening phase advance strategy and identify opportunities for improvement. 3. Redesign control logic, implement enhancements, and simulate/test accuracy under realistic operating conditions. ✅ I’ve delivered many motor control projects where precision, stability, and repeatable results were critical, with clear communication throughout the process. ✅ Before I start, one quick thing: Do you have a preferred simulation platform or specific hardware-in-the-loop setup for testing? If you share that, feel free to message me and we can align quickly. Best, Prat PCB Must Innovations
$50 AUD em 40 dias
6,4
6,4

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Electronics, Microcontroller, Electrical Engineering, PCB Layout, Software Development, Embedded Systems, Control Engineering, Automotive Engineering and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$50 AUD em 5 dias
3,3
3,3

I am an all-rounded engineer who is well-equipped to take on your inverter control software redesign project. My extensive background in embedded systems engineering, electrical and electronics engineering, and software engineering makes me an ideal fit for this job. In terms of software, I am fluent in C, and experienced with languages like Arduino, ESP32, STM32, Python, JavaScript, and more - which makes me ready to handle any aspect of the redesign process. This includes the utilization of flux-weakening techniques to enhance the accuracy of the phase advance during flux weakening. With a strong foundation in electronics and electrical engineering, I understand the importance of maintaining or even improving the current sensor-based feedback mechanisms. My competence in PCB design using tools like Proteus and KiCad also ensures precision in hardware implementations. My cad and PCB skills will certainly bring value to your project. In conclusion, my unique mixture of experience ranging from embedded systems design to software development, especially in AI and IoT applications will allow me to tackle this project holistically. Through collaboration and my deep passion for engineering excellence, I'm fully confident we can create an outstanding solution together. Let's discuss further how I can put my skills to work for you!
$50 AUD em 40 dias
2,9
2,9

As an electrical engineer with a deep understanding of automotive applications, I have the expertise you need for your inverter software control redesign project. My passion lies in improving control accuracy, specifically in flux weakening phase advances, and I have successfully implemented similar enhancements to electric motor control systems before. I can seamlessly integrate and utilize your current sensor-based feedback mechanisms while improving their accuracy, giving you a powerful control system for your Indian scooter. Moreover, I bring a host of other skills to the table that can benefit your project. My proficiency in sensor integration and feedback systems aligns perfectly with what you're looking for. And while my profile doesn't explicitly state it, I actually have extensive knowledge in software development for microcontrollers – a crucial skillset for an inverter control redesign like yours.
$51 AUD em 1 dia
3,6
3,6

Hello there, I am excited about the opportunity to work on the software control redesign for the generic inverter used in a 3kW electric motor on an Indian scooter. My expertise in inverter control software, strong background in flux weakening techniques, proficiency in sensor integration and feedback systems, as well as experience in electric motor control systems in automotive applications make me a suitable candidate for this project. I am committed to enhancing the accuracy of the flux weakening phase advance while maintaining or improving current sensor-based feedback mechanisms. Regards, anilptk
$50 AUD em 36 dias
2,1
2,1

Hi, there! With over 10 years of experience in Electronics and Microcontroller programming, I have a strong background in inverter control software and flux weakening techniques. I understand the need to improve accuracy in flux weakening phase advance while maintaining or enhancing current sensor-based feedback mechanisms for the 3kW electric motor on the Indian scooter. Having completed 50+ projects in Desktop/Mobile applications and Embedded software, I am confident in providing a professional solution for this project. I would love to connect with you in chat to discuss further details about your requirements and how I can assist in redesigning the software control for the inverter. Thanks
$50 AUD em 40 dias
1,1
1,1

Hi, I’m Mst Habiba Hasan, I am a Senior Full-Stack Developer with more than 10 years of experience. I can help you with: — Website development — Mobile app development — Web app development — Backend development — AI and Machine Learning development — Maintenance of existing projects — UX/UI design — Browser extensions — DevOps — Solution Architecture — Consulting — MVP development Technologies I've worked with include but are not limited to: * Python/ Django * ReactJS / React Native (including React Native Web) / Expo / Express / Redux / NextJS * Javascript / Typescript / Flow types * NodeJS / Angular / Vue.js * MongoDB / SQL (MySQL / MariaDB / PostgreSQL) / Redis * OAuth2 / Keycloak / Auth0 / Cognito * Kubernetes / Helm / Docker / Ansible / Terraform / Amplify / Firebase * AWS / Azure / GCP / on premises * RESTful / GraphQL / OpenTracing / AMQP (RabbitMQ) Contact me today to get started! I’m excited to collaborate and bring your vision to life. Best regards, Mst Habiba Hasan
$50 AUD em 40 dias
3,1
3,1

Good morning , How are you? I hope this proposal finds you well. I have checked your project (Inverter Software Control Redesign), which lies in the field of my certification & experience. This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills like; Automotive Engineering, PCB Layout, Electrical Engineering, Software Development, Microcontroller, Electronics, Embedded Systems and Control Engineering:, as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. WELCOME.
$50 AUD em 40 dias
0,0
0,0

Hello, As specialists in inverter control software, we can significantly enhance the accuracy of flux weakening phase advance for your 3kW electric motor. Our experience in automotive applications ensures we maintain and improve sensor-based feedback mechanisms for optimal performance. Let's discuss the next steps to tailor this redesign further. What specific aspects of the current software would you like to prioritize in the redesign? Thanks, THE CALIFORNIA STUDIO
$50 AUD em 33 dias
0,0
0,0

G'day! Imagine a software control for your generic inverter that not only enhances accuracy but also incorporates the crucial flux weakening phase advance to perfection, ensuring optimal performance for your 3kW electric motor. As a seasoned software engineer with over 20 years of exemplary industry experience, I bring comprehensive expertise in inverter control systems, extensive knowledge of flux weakening techniques, and insights into automotive applications. My track record includes notable achievements in sensor integration, feedback mechanisms and significant contributions to electric motor control systems. In essence, by choosing me you are opting for an engineer who understands the importance of precision, accuracy and real-world operability. I will leverage my versatile skillset and profound understanding garnered over the years to deliver a software control redesign for your inverter that truly transforms your scooter's performance into a seamless and extraordinary experience. Let's achieve new horizons of efficiency together! Cheers, Vishal Maharaj
$50 AUD em 40 dias
0,0
0,0

Hi, I understand you need a precise redesign of your inverter control software specifically to enhance the flux weakening phase advance in your 3kW electric motor for an Indian scooter. With my expertise in inverter control software and extensive experience in flux weakening methods combined with sensor integration, I am confident I can deliver a more accurate and reliable control system that meets your expectations. My approach will ensure maintaining or improving your current sensor-based feedback mechanisms to optimize motor performance. I can start working on a detailed plan immediately and aim to provide an initial prototype within 10 days, followed by iterative improvements based on your feedback. Could you please share the current software architecture and sensor setup details to better tailor the redesign? Best regards,
$50 AUD em 26 dias
2,8
2,8

I can help redesign and refine the inverter control software to significantly improve flux weakening phase advance accuracy for your 3 kW scooter motor. My background is in FOC-based motor control for automotive and light EV applications, with hands-on experience tuning flux weakening regions to extend speed range without sacrificing stability. I will focus on improving phase advance computation, current feedback utilization, and transition smoothness between base speed and flux weakening. The goal is tighter control, predictable torque response, and improved efficiency while fully preserving your existing current-sensor feedback architecture.
$50 AUD em 3 dias
0,0
0,0

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