Education and demonstration – Nuclear energy or radioactive radiation detection or simulation
Patent
1983-10-03
1986-04-15
Pinkham, Richard C.
Education and demonstration
Nuclear energy or radioactive radiation detection or simulation
364423, G09B 2320
Patent
active
045824916
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to training and apparatus and in particular to such apparatus for training personnel in surveying for nuclear, bacteriological or chemical contamination.
There is a requirement for personnel to be trained in surveying large areas of terrain for nuclear fallout and/or contamination which may be airborne and/or at ground level.
Deliberately contaminating a large area for training purposes is not a practical proposition. Accordingly, methods of training have been in the past purely hypothetical or have used low level radio active sources concealed within the field of the exercise.
One more recent nuclear radiation simulator uses a frequency modulated radio signal transmitting an encoded digital data signal representing the contamination level. The coded signal was decoded by replica radiation meters all of which had the same value "measured" regardless of their respective geographical locations.
It is an object of the present invention to provide training apparatus for use in more realistic simulation exercises involving nuclear, bacteriological or chemical contamination.
The term "contamination" as used hereinafter means nuclear and/or bacteriological and/or chemical contamination.
According to the present invention in training apparatus for use in contamination surveillance training, a data store is arranged to store data derived from a mathematical model of an assumed source of contamination, said data defining contamination levels at a plurality of locations at respective elapsed times after the assumed commencement of contamination and interpolation means is responsive to input signals to said apparatus which define the present location of the apparatus and to signals which define the present time to derive from the data held in the data store a value indicative of the assumed present contamination level.
Preferably the input signals which define the location of the apparatus are from a manually operable keyboard and the apparatus may include a real time clock arranged to supply the signal which define the present time.
The interpolation means may be a microprocessor which may be programmed to derive the data to be stored from input parameter of an assumed contamination source.
One embodiment of training apparatus in accordance with the invention will now be described by way of example only with reference to the accompanying drawings of which:
FIG. 1 is a block schematic diagram of the apparatus,
FIG. 2 shows a keyboard layout of the apparatus,
FIGS. 3, 4 and 6 are fallout plans used in the description of an algarithm used by the apparatus, and
FIG. 5 is a schematic map grip pattern.
Referring to FIG. 1 the apparatus comprises a microprocessor 1 having an associated program store 2 and data store 3. The program store 2 stores a program which enables the microprocessor 1 to derive (from data held in the data store 3) an assumed contamination level for display on a display device 4 which may be a meter but is preferably an alpha numeric display.
To enable a user of the apparatus to enter a location a keyboard 5 is also provided. The keyboard 5 is also used by an instructor to enter data defining the cause of contamination and the time of its occurrence in the data store 3.
The apparatus, whilst being capable of responding to a time input from the keyboard 5 also includes a real time clock 6 which is set before commencement of an exercise by the instructor.
So that a required number of simulation meters may all receive the same data, such that in use all trainees receive compatible contamination level readings from their respective meters, the apparatus includes a serial communications link 7 which enables the simulating meters to be preprogrammed by entering data in one of them and transferring it to the rest by use of the serial communications link 7.
In order that the operation of the apparatus may be readily understood an example of the actions performed during an exercise simulating the effects of a nuclear explosion will now be given.
The mathematical model of a nuclear e
REFERENCES:
patent: Re27078 (1971-03-01), Shaw et al.
patent: 3558865 (1971-01-01), Berndt
patent: 3736411 (1973-05-01), Berndt
Marconi Instruments Limited
Picard Leo P.
Pinkham Richard C.
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