Boots – shoes – and leggings
Patent
1986-08-20
1989-01-03
Zache, Raulfe B.
Boots, shoes, and leggings
G06F 100
Patent
active
047961791
ABSTRACT:
An automatic computer software code generator for multirate real time control systems uses a functional library to define a multiplicity of functional blocks for building a functional description of a control system. For each functional block there is a software template for generating a set of software statements for performing one or more computations each time the software associated with that functional block is executed. A functional description of the control system software to be generated is provided in the form of a catalog database, and the computational relationships to be implemented by the software generated by the invention are defined by specified combinations of the functional blocks in the functional library. A linking software module organizes the catalog database into a plurality of separate subsystems, each subsystem including all the specified functional blocks with a given repetition rate and skew. Finally, a code generation software module generates software for use in the specified control system. The software routines generated generally include: a subsystem software routine for each subsystem, a scheduler program for initiating the execution of the subsystem software routines in accordance with the repetition rate and skew specified for each corresponding subsystem; and a software interface for holding input, output and temporary data values.
REFERENCES:
patent: 4130883 (1978-12-01), Hazelton
Liu et al., "Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment," Journal of the ACM, vol. 20, No. 1, Jan-1973, pp. 46-61.
Lehman Larry L.
Shah Sunil C.
Varvell David B.
Integrated Systems, Inc.
Zache Raulfe B.
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