Bi-directional onboard chargers (OBCs) allow a vehicle's battery pack to power another vehicle. However, because they are bi-directional, the OBCs present several safety challenges. To this end, LEM, a global provider of electrical measurement … [Read more...]
MEMS sensors enhance ADAS and safety applications
TDK Corporation is further extending its InvenSense SmartAutomotive MEMS sensor family with the IAM-20685HP and IAM-20689 second-generation six-axis IMUs for automotive safety applications. Both devices deliver reliable motion data for … [Read more...]
How do infotainments and non-safety sensors enhance the EV experience?
This article will discuss how infotainments and non-safety sensors offer a better electric vehicle (EV) driving experience. Despite many ongoing efforts to increase the EV range and safety, enhancing the driving experience is also gaining momentum to … [Read more...]
New position sensor technology for high-speed rotary applications
In battery electric and hybrid vehicles, a fast and accurate rotor position measurement is essential for efficient e-motor controls. A precise position signal from standstill (0 rpm) to maximum rotation speed (100,000 rpm) is required for high torque … [Read more...]
Advanced technology to boost EV safety and streamline battery manufacturing
Honeywell has announced two new solutions to optimize electric vehicle (EV) safety for drivers and manufacturing for gigafactories. The technologies, offered by Honeywell Process Solutions and Honeywell Sensing Solutions, support the company’s … [Read more...]
How does a position lock sensor work during EV charging?
The position lock sensor detects whether the electric vehicle (EV) charging connector is properly locked into place during the charging process. This safety feature prevents accidental disconnection or removal of the charging cable while charging is … [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...]
Part II: Understanding current sensor designs
Part 1 of this article addressed current shunts and Hall-effect sensor designs. This part discusses current transformers and new technology options, such as magnetoresistance and diamond quantum sensors. One of the significant issues in today’s … [Read more...]
What are common sensor fusion applications in EVs?
Sensor fusion uses multiple sensor technologies in a single application. Examples include location and object detection, combining cameras, LiDAR, ultrasonic and radar sensors, and distributed voltage, temperature, and current sensors in electric … [Read more...]
How many thermal sensors are there in an EV?
Thermal sensors are used throughout electric vehicles (EVs), including in the battery pack, charger, charging handle, traction inverter, motor, dc/dc converter, passenger cabin, and under the hood. These sensors are among the most important … [Read more...]
How “noiseless” diode technology enables more efficient LiDAR
Light-detection and ranging (LiDAR) instruments are key components of automotive designs that implement advanced driver-assistance systems (ADAS), ranging from level three control to full autonomy. LiDAR operates by emitting pulses of infrared … [Read more...]
What types of MEMS sensors are used in EVs?
The microelectromechanical systems (MEMS) sensors used in electric vehicles (EVs) include inertial sensors, such as: Accelerometers and gyroscopes Magnetometers Pressure sensors Thermal sensors Gas sensors Optical MEMS MEMS are … [Read more...]
Miniaturized MEMS pressure sensor incorporates proprietary tech for enhanced EV thermal management
Melexis has introduced the MLX90830, a miniaturized MEMS pressure sensor that incorporates the company’s patented Triphibian technology. The sensor is capable of measuring gas and liquid media from 2 to 70 bar. It's factory-calibrated to measure … [Read more...]
What role do advanced sensors play in EVs?
Sensors play a crucial role in electric vehicles (EVs), supporting battery and thermal management, advanced driver-assistance systems (ADAS), and personalized in-cabin experiences. This article reviews the advanced sensor technologies in EVs, … [Read more...]
Hall-effect sensors operate over automotive voltage ranges
Diodes Incorporated has introduced a new portfolio of high-sensitivity Hall-effect sensors. Devices in the AH39xxQ series provide accurate speed and directional data or two independent outputs. These sensors are designed for industrial and automotive … [Read more...]
Researchers develop technology to protect EVs from chip “noise”
University of Texas at Dallas researchers have developed a first-of-its-kind technology to detect and reduce “noise” from electromagnetic interference (EMI) in electric vehicles. Such interference can cause malfunctions, such as providing incorrect … [Read more...]