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Fault detection, isolation, and recovery (FDIR) is a subfield of control engineering which concerns itself with monitoring a system, identifying when a fault has occurred, and pinpointing the type of fault and its location. Two approaches can be distinguished: A direct pattern recognition of sensor readings that indicate a fault and an analysis ...
General Motors marketed its first airbag modules under the "Air Cushion Restraint System" name, or ACRS. The automaker discontinued the option for its 1977 model year, citing a lack of consumer interest. Ford and GM then spent years lobbying against air-bag requirements, claiming that the devices were unfeasible and inappropriate. Chrysler made ...
The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...
By that time, SAF-Holland had already bought 14.1% of Haldex's share, including Knorr-Bremse's. By August, SAF-Holland controlled more than 90% of the shares, and was proceeding with mandatory redemption of the rest of the shares, [8] with Haldex being delisted on the stock exchange in September. [9] In March 2023, SAF-Holland owned all shares ...
In the early 1990s, Transavia Airlines attempted to purchase Air Holland but they were unsuccessful. In 1991, Air Holland had to temporarily suspend all operations due to financial difficulties and a loss of DFL 30 million for the end of 1990. On 20 December 1991 Air Holland took to the skies again under A.R. Marx's management.
If the breath sample isn't provided, or the sample exceeds the ignition interlock's preset blood alcohol level, the device will log the event, warn the driver, and then start up an alarm in accordance to state regulations (e.g., lights flashing, horn honking) until the ignition is turned off, or a clean breath sample has been provided. A common ...
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A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.