Wireless charging allows an electric vehicle (EV) to be charged by parking it over a wireless charging pad containing an electrical coil that generates an alternating electromagnetic field when an electric current flows through it. The EV is equipped … [Read more...]
What are the design challenges for EV traction motors?
Electric vehicle (EV) traction motors are highly efficient, making designing more efficient ones a daunting challenge. Adding to the challenges, EV traction motors have different performance criteria compared to industrial motors. This article … [Read more...]
How is “cell-to-pack” revolutionizing EV battery pack designs?
The electric vehicle (EV) sector is evolving, with manufacturers continuously innovating battery designs to bolster energy density for extended range, optimize space, and reduce battery cost -- which accounts for about 30% of total vehicle costs. … [Read more...]
What is the Open Smart Charging Protocol (OSCP) for EV charging?
The Open Smart Charging Protocol (OSCP) is an open communication protocol that enables the smart charging of electric vehicles (EVs). The primary function of the OSCP is to establish communication between the charge station operator (CSO) and the … [Read more...]
How can reinforcement learning be used for real-time battery power control in EVs?
Real-time control of battery power is a dynamic process where input variables -- such as battery health, state of health (SOC), and other specifications -- vary continuously. This article explains how the reinforcement learning (RL) algorithm can be … [Read more...]
What are the benefits and challenges of electric semi-trucks?
Accountable for 18% to 25% of all US vehicle emissions, diesel semi-trucks are linked to many serious health issues, including lung cancer and heart disease. Although electric semis eliminate these harmful emissions, automotive manufacturers must … [Read more...]
Q&A: Why automation is essential for advancing EV battery manufacturing
Battery technology is the foundational element of electric vehicles (EVs), influencing their efficiency, range, charging speed, lifespan, cost, and overall performance. Engineering firm Bosch Rexroth is well aware of how battery manufacturing affects … [Read more...]
How fluid interfaces and fastening solutions are improving EV thermal management
As the automotive industry continues to evolve and electric vehicles (EVs) become more mainstream, innovations are affecting all vehicle components, including the fasteners and assembly systems used. One such system is thermal management, a … [Read more...]
What are the software and control challenges when maximizing EV traction drive inverter efficiency?
The challenges involved in maximizing electric vehicle (EV) traction inverter efficiency include using an optimal modulation strategy to maximize the efficiency of the traction motor while minimizing noise vibration harshness (NVH), which negatively … [Read more...]
What is the EV battery supply chain?
The electric vehicle (EV) battery supply chain is vast and complex, spanning mining and processing to assembly and end-of-life management. This article reviews the supply chain’s four primary stages: upstream, midstream, downstream, and recycling or … [Read more...]
What are the challenges of designing high-frequency PCBs for EVs?
As technology advances, vehicles are gradually transitioning from fuel to electric power. This change necessitates adding electrical systems to vehicles to make them functional. However, such changes present new challenges to ensure the reliability … [Read more...]
Why are new techniques needed for testing EV motor efficiency?
New testing techniques are needed for electric vehicle (EV) motors because they're used in different ways than motors in industrial or consumer systems. EV motor efficiency is a critical parameter to ensure maximum driving range, and it’s complex to … [Read more...]
How liquefied gas electrolytes can address the Achilles’ heel of Li-ion batteries
In 2023, 13.7 million passenger electric vehicles (EVs) were sold worldwide. While sales are projected to reach 16.7 million in 2024, a slowdown in annual growth is on the horizon. Driving this trend are consumer concerns over the high cost, safety, … [Read more...]
What is the back-end protocol in a vehicle-to-grid (V2G) EV ecosystem?
A back-end protocol refers to communication standards and protocols for enabling connectivity between an electric vehicle (EV) charging station and the central management system (CMS). We previously discussed front-end protocols between the EV and … [Read more...]
What are the types and uses of position and angle sensors in an EV?
Position and angle sensors are used in several electric vehicle (EV) components, including the traction motor and drivetrain, heating, ventilation, air-conditioning (HVAC) compressor, steer-by-wire, brake-by-wire, regenerative braking, accelerator … [Read more...]
How cellular IoT can support EVs and the grid
Power grids are already enormously complex, but with renewable energy and electric vehicles (EVs) increasingly entering the mix, the cellular Internet-of-Things (IoT) is becoming an essential tool for ensuring network reliability In the 19th … [Read more...]