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NearLink. NearLink ( Chinese: 星闪 ), also known as SparkLink, is a short-range wireless technology standard, which was developed by the NearLink Alliance, led by Huawei to set up on September 22, 2020. [1] [2] [3] As of September 2023, the Alliance has more than 300 enterprises and institutions on board, which include automotive ...
An ECU from a Geo Storm. An electronic control unit ( ECU ), also known as an electronic control module ( ECM ), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle . Modern vehicles have many ECUs, and these can include some or all of the following ...
HVAC control system. HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken ...
Variable air volume ( VAV) is a type of heating, ventilating, and/or air-conditioning ( HVAC) system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature. [1] [2] The advantages of VAV systems over constant-volume systems include ...
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
In an email to Yahoo Finance, a representative for the plane maker said it had held factory-wide "stand down" meetings at its manufacturing facilities across the US, Canada, and the United Kingdom.
Basic access control. Basic access control (BAC) is a mechanism specified to ensure only authorized parties [1] can wirelessly read personal information from passports with an RFID chip. It uses data such as the passport number, date of birth and expiration date to negotiate a session key. This key can then be used to encrypt the communication ...
A secure access module. A Secure Access Module (SAM), also known as a Secure Application Module, is a piece of cryptographic hardware typically used by smart card card readers to perform mutual key authentication. [1] [2] [3] SAMs can be used to manage access in a variety of contexts, such as public transport fare collection and point of sale ...