failsafefail safesafety deviceFail-securefail safelyFail-safesfail-safe designfailed safefails safefailsafing
In engineering, a fail-safe is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause no or minimal harm to other equipment, to the environment or to people.wikipedia
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dead man's handlevigilance controldead man switch
These switches are usually used as a form of fail-safe where they stop a machine with no operator from a potentially dangerous action or incapacitate a device as a result of accident, malfunction, or misuse.
Airair brakeair brakes
Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on April 13, 1869.
A safety valve is a valve that acts as a fail-safe.
In engineering, redundancy is the duplication of critical components or functions of a system with the intention of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.
semaphore signalssemaphore signalsemaphore
The signals are designed to be fail-safe so that if power is lost or a linkage is broken, the arm will move by gravity into the horizontal position.
track circuitsTrack Circuit BlockAF Track Circuits
Since this is a safety appliance, fail-safe operation is crucial; therefore the circuit is designed to indicate the presence of a train when failures occur.
Unlike inherent safety to a particular hazard, a system being "fail-safe" does not mean that failure is impossible or improbable, but rather that the system's design prevents or mitigates unsafe consequences of the system's failure.
watchdogComputer Operating Properlyheartbeat
A watchdog timer may initiate any of several types of corrective action, including maskable interrupt, non-maskable interrupt, processor reset, fail-safe state activation, power cycling, or combinations of these.
bathyscapebathyscaphthe ship of the same name
This is a fail-safe device as it requires no power to ascend; in fact, in the event of a power failure, shot runs out by gravity and ascent is automatic.
The term fail-deadly was coined as a contrast to fail-safe.
The termination also includes pull up and pull down resistors to establish fail-safe bias for each data wire for the case when the lines are not being driven by any device.
A system that is designed to fail safe, or fail-secure, or fail gracefully, whether it functions at a reduced level or fails completely, does so in a way that protects people, property, or data from injury, damage, intrusion, or disclosure.
safe-lifesafe lifeservice life limitation
To counter this disadvantage, alternative design philosophies like fail-safe design and fault-tolerant design were developed.
failure modemodes of failurefailure modes
In engineering, a fail-safe is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause no or minimal harm to other equipment, to the environment or to people.
FMEAfailure mode and effects analysis (FMEA)failure modes and effects analysis
Since many types of failure are possible, failure mode and effects analysis is used to examine failure situations and recommend safety design and procedures.
luggageleft luggagecarry-on baggage
snowblowersnow blowerssnow thrower
passenger traintrainspassenger trains
air brakesair brakefull air