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Profile Documents Logout
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Info
Info

... minimum compression set and will return to their original size with as much as a 30% deflection. Repeated insertion and removal of the circuit protector in this application will have an insignificant effect on the contact force between the auxiliary switch terminals and the beryllium copper strips. ...
Schematic/Electrical Parts - Pellerin Milnor Corporation
Schematic/Electrical Parts - Pellerin Milnor Corporation

... component lists are provided: List 1 sorts the components by function, and List 2 by type of component. Newer schematic manuals include only the list sorted by component number. The schematic drawings use symbols for each electromechanical component, and indicate the function of each. Integrated cir ...
VBOX3i 100Hz GPS Data Logger User Guide
VBOX3i 100Hz GPS Data Logger User Guide

Week_16
Week_16

...  MSP430 Software Coding Techniques  Random Number Generation Using the MSP430  CRC Implementation with MSP430  Digital FIR Filter Design Using the MSP430F16x  Wave Digital Filtering Using the MSP430 ...
The Y- Circuits
The Y- Circuits

bq769x0 boot switch alternatives
bq769x0 boot switch alternatives

... be stuck. The circuit in Figure 5 provides an additional switch to turn off the boot voltage once the monitor IC power is on. In this circuit, when Q1 is turned on, Q4 is biased as a source follower and provides a sufficient voltage to R2 to be divided for TS1. Once the monitor IC has come on and en ...
30104 Operate electrical switchgear in the electricity
30104 Operate electrical switchgear in the electricity

... specifications; and enterprise requirements which cover the documented workplace policies, procedures, specifications, business, and quality management requirements relevant to the workplace in which assessment is carried out. Status refers to the operational condition or state of any or all of the ...
Device Functions Numbers
Device Functions Numbers

... prefix where appropriate, identifies what the device is expected to accomplish. Figure 1 is a one-line diagram showing a 3-phase transformer arranged with an ac circuit breaker on the incoming power line. A manual disconnect or switch is shown on the secondary distribution line. A differential relay ...
DC power supply connect to inverter
DC power supply connect to inverter

Symmetra Brochure - Advanced Power Technology
Symmetra Brochure - Advanced Power Technology

... High availability solutions require more runtime options than their traditional counterparts. Previously, it was enough to simply close out of applications and save critical data. Today's economy requires seamless transitions between power disturbances and the customer, and therefore, a high availab ...
NX5P2090 1. General description Logic controlled high-side power switch
NX5P2090 1. General description Logic controlled high-side power switch

... includes under voltage and over voltage lockout, over-current, over-temperature, reverse bias and in-rush current protection circuits designed to automatically isolate a VBUS OTG voltage source from a VBUS interface pin when a fault condition occurs. The device features two power switch terminals, o ...
ECM Diagnosis
ECM Diagnosis

... and subsystems connected to the ECM. Additionally, with multiplexing, there are more ECUs connected to the ECM that need to be checked. Presently, there are some DTCs that are directly associated with the ECM. P0605: The Internal Control Module Read Only Memory Error, is displayed when the ECM has d ...
earth leakage relays
earth leakage relays

Chapter 4
Chapter 4

... specified with terminal numbers between 40 and close to 600. To the left we see a 40 leads TapePak in the form it is received by the user with a protective ring around it, and test points outside the ring. To the right is TapePak 40 after excising and lead bending, seen from above and from the side. ...
SMD IC Packages
SMD IC Packages

Fuses - Jaycar
Fuses - Jaycar

A New design of 1-bit full adder based on XOR
A New design of 1-bit full adder based on XOR

... improvement, being motivated by three basic design goals, viz. minimizing the transistor count, minimizing the power consumption and increasing the speed, [4].Most of the VLSI applications, such as digital-signal processing and microprocessors, use arithmetic operation. Addition, subtraction, multip ...
PDF
PDF

... a single irrigation event to be broken up for brief periods of operation followed by brief periods of rest. In heavy soils, irrigating in this manner allows the irrigation application rate to more closely match the soil's intake characteristics. This type of control can also be important for drip sy ...
Charging Around the Circuit
Charging Around the Circuit

... called negative, return, ground and earth, it’s all the same thing. Occasionally it is also very confusingly referred to as common, the term common can also be used to describe the paralleling of circuits, so if you see it be aware it’s an ambiguous term. I dislike the terms ground and earth; frame ...
2008 28 Autumn Wiring Matters
2008 28 Autumn Wiring Matters

... conductors are sized such that Iz ≥ 32 A. To calculate the tabulated cable ratings, It, the following formula (from Appendix 4 of BS 7671) is used. Iz = It Ca Cg Ci Cc Overload protection is provided in practically all circuit designs in order to protect the cable should the load be increased, e.g. ...
Supplementary Protectors (UL1077 mini circuit breakers) 3
Supplementary Protectors (UL1077 mini circuit breakers) 3

... Branch circuit overcurrent protective devices (OCPD) can be used everywhere OCPD are used, from protection of motors and motor circuits and group motor circuits, to protection of distribution and utilization equipment. Supplemental OCPD can only be used where proper protection is already being provi ...
Advanced Forward Methods for Complex Wire Fault Modeling
Advanced Forward Methods for Complex Wire Fault Modeling

... of these methods specialized to the chafe problem. Chafing insulation results in a very small change in the wire impedance, and because the reflection depends on the magnitude of the impedance discontinuity, this results in a very small reflection that may be lost in the noise of the environment and ...
Power Assembly Program
Power Assembly Program

PRODUCT™ BLU System - Inverter Systems, Inc.
PRODUCT™ BLU System - Inverter Systems, Inc.

ECE477_Team2_hw15_fi..
ECE477_Team2_hw15_fi..

... DTA channel to achieve high performance when rebuilding the digital signal. To enable the communication between microcontroller and display unit (FPGA), an I2C or SPI interface will be needed. At least 10 GPIOs must be included for the interaction of user interface. For instance, 3 GPIOs are needed ...
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Fault tolerance



Fault tolerance is the property that enables a system to continue operating properly in the event of the failure of (or one or more faults within) some of its components. If its operating quality decreases at all, the decrease is proportional to the severity of the failure, as compared to a naively designed system in which even a small failure can cause total breakdown. Fault tolerance is particularly sought after in high-availability or life-critical systems.A fault-tolerant design enables a system to continue its intended operation, possibly at a reduced level, rather than failing completely, when some part of the system fails. The term is most commonly used to describe computer systems designed to continue more or less fully operational with, perhaps, a reduction in throughput or an increase in response time in the event of some partial failure. That is, the system as a whole is not stopped due to problems either in the hardware or the software. An example in another field is a motor vehicle designed so it will continue to be drivable if one of the tires is punctured. A structure is able to retain its integrity in the presence of damage due to causes such as fatigue, corrosion, manufacturing flaws, or impact.Within the scope of an individual system, fault tolerance can be achieved by anticipating exceptional conditions and building the system to cope with them, and, in general, aiming for self-stabilization so that the system converges towards an error-free state. However, if the consequences of a system failure are catastrophic, or the cost of making it sufficiently reliable is very high, a better solution may be to use some form of duplication. In any case, if the consequence of a system failure is so catastrophic, the system must be able to use reversion to fall back to a safe mode. This is similar to roll-back recovery but can be a human action if humans are present in the loop.
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