Maximizing Efficiency in Two-Wheel Electric Vehicle MCUs

Maximizing Efficiency in Two-Wheel Electric Vehicle MCUs

1 Overview of Electric Vehicle Controllers The two-wheeled vehicle controller, simply put, controls the motor, which mainly consists of two parts: Hardware Core: AD sampling, CPU computation, PWM drive Software Core: Motor control algorithms, such as square wave control and FOC control (dual-resistor FOC/single-resistor FOC) 2 MCU Rollout Method Used in Controllers The first phase … Read more

Analysis of Renesas Sensorless FOC Solution (Part 2)

Analysis of Renesas Sensorless FOC Solution (Part 2)

Author Introduction Engaged in the control development of three-phase asynchronous motors and permanent magnet synchronous motors for over ten years, proficient in sensorless FOC control. Products involved include inverters, servos, power tools, vacuum cleaners, propellers, drones, air compressors, etc. Power range includes 100W to 100kW, voltage range includes 14VDC to 660VAC. Since 2020, I have … Read more

Analysis of Renesas Sensorless FOC Solutions (Part 1)

Analysis of Renesas Sensorless FOC Solutions (Part 1)

Author Introduction Engaged in the control development of three-phase asynchronous motors and permanent magnet synchronous motors for over ten years, proficient in sensorless FOC control. The products involved include inverters, servos, power tools, vacuum cleaners, propellers, drones, air compressors, etc. The power range covers 100W to 100kW, and the voltage range includes 14VDC to 660VAC. … Read more

Zhongke Benyuan to Launch RISC-V Architecture FDM-RV0025

Zhongke Benyuan to Launch RISC-V Architecture FDM-RV0025

Zhongke Benyuan is set to launch the FDM-RV0025 DSP, based on the next-generation RISC-V architecture core SummerCoreTM, which is optimized for applications in industrial control, servo motors, inverters, and converters. Compared to foreign benchmark products, it shows significant improvements in clock frequency, memory capacity, algorithm performance, signal chain processing speed, and interface transmission rates. Introduction … Read more

Detailed Explanation of Iterative Upgrades in Automotive Electronics Projects

Detailed Explanation of Iterative Upgrades in Automotive Electronics Projects

High-quality computer knowledge books, PDF materials, and personal notes mainly focus on embedded systems, microcontrollers, and Linux: https://github.com/imKeYan/EmbedBooks?tab=readme-ov-fileAccess method: See the end of the article! (Note: Content is continuously updated!)1. Battery Management System (BMS) (New Energy Vehicles, Energy Storage Systems):Project Overview: An intelligent battery management system needs to have real-time monitoring, charge and discharge management, … Read more

Introduction to Basic Knowledge of Smartphone Cameras

Introduction to Basic Knowledge of Smartphone Cameras

Introduction The camera, as a standard feature of smartphones, has developed rapidly. Many manufacturers have launched phones that focus on photography and videography, achieving impressive sales. So, what secrets lie behind the camera, the key component affecting photo quality? This article will introduce some basic knowledge and structure of cameras. 1. Classification of Camera Modules1. … Read more

Ofo Enters the IoT Arena: How Far Can Huawei and Telecom Take It?

Ofo Enters the IoT Arena: How Far Can Huawei and Telecom Take It?

On February 22, 2017, Ofo, China Telecom, and Huawei held a joint press conference, announcing that Ofo’s bicycle products would officially adopt the narrowband IoT solutions provided by Huawei, while China Telecom would provide network coverage. With communication technology giving shared bicycles wings, can they soar high? Huawei’s IoT EcosystemLet’s start from the ground up. … Read more

Sony A7 III Sensor Performance Remains Outstanding, More Advantageous than A6700

Sony A7 III Sensor Performance Remains Outstanding, More Advantageous than A6700

Sony A7 III is a classic mid-range mirrorless camera that has gained a high market share due to its balanced performance and excellent cost-effectiveness. The A6700, on the other hand, is a newly launched high-end APS-C format body with outstanding focusing and video capabilities. With a similar price point, how should an average user choose? … Read more

OmniVision Releases New 50-Megapixel Image Sensor OV50E

OmniVision Releases New 50-Megapixel Image Sensor OV50E

On July 29, 2022, local time in the United States, OmniVision, a global leader in advanced digital imaging, analog, touch screen, and display technology semiconductor solutions, announced the release of its new 50-megapixel image sensor, the OV50E. According to the introduction, this sensor provides industry-leading low-light image and high dynamic range (HDR) video capture capabilities … Read more

Digital Upgrade of Motor Control: Simulation and Implementation Based on DSP and FPGA

Digital Upgrade of Motor Control: Simulation and Implementation Based on DSP and FPGA

Digital Signal Processor (DSP) is increasingly applied in the field of industrial automation. DSP is a technology specifically designed to convert and process analog signals into digital signals, enabling functions such as digital filtering, reconstruction, modulation, and demodulation, ensuring the precision and stability of signal processing. Especially in motor control systems, the application of DSP … Read more