Machine control system operating from remote commands

• US 4,531,182 A
• Filed: 03/01/1972
• Issued: 07/23/1985
• Est. Priority Date: 11/24/1969
• Status: Expired due to Term

• Current Assignee: Gilbert P. Hyatt
• Original Assignee: Gilbert P. Hyatt
• Inventors: Hyatt, Gilbert P.
• Primary Examiner(s): Ruggiero, Joseph F.
• Application Number:
  US05/230,872
• Time in Patent Office: 4,892 Days
• Field of Search: 340/172.5, 235/151.11, 364/474, 364/107, 364/475, 364/130-136, 364/137, 364/138, 364/167-171, 364/188, 364/189, 364/200 MS File, 364/900 MS File
• US Class Current: 700/2
• CPC Class Codes: B60R 16/0373 Voice control in general G10L
• CPC Class Codes: F21V 23/00 Arrangement of electric circuit elements in or on lighting devices characterised by cooling arrangements F21V29/508
• CPC Class Codes: G01S 15/897 using application of holographic techniques
• CPC Class Codes: G01S 15/8977 using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
• CPC Class Codes: G01S 7/52026 Extracting wanted echo signals Doppler systems G01S15/50; Doppler short range imaging systems G01S15/8979
• CPC Class Codes: G02F 1/13318 Circuits comprising a photodetector
• CPC Class Codes: G03F 9/7049 Technique, e.g. interferometric
• CPC Class Codes: G03F 9/7088 Alignment mark detection, e.g. TTR, TTL, off-axis detection, array detector, video detection
• CPC Class Codes: G04G 99/006 Electronic time-pieces using a microcomputer, e.g. for multi-function clocks
• CPC Class Codes: G05B 19/351 the positional error is used to control continuously the servomotor according to its magnitude
• CPC Class Codes: G05B 19/408 characterised by data handling or data format, e.g. reading, buffering or conversion of data
• CPC Class Codes: G05B 19/4083 Adapting programme, configuration
• CPC Class Codes: G05B 19/4086 Coordinate conversions; Other special calculations
• CPC Class Codes: G05B 19/409 characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters G05B19/408, G05B19/4093 take precedence
• CPC Class Codes: G05B 19/4093 characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
• CPC Class Codes: G05B 19/414 Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
• CPC Class Codes: G05B 19/4142 characterised by the use of a microprocessor G05B19/4141 takes precedence
• CPC Class Codes: G05B 2219/33182 Uart, serial datatransmission, modem
• CPC Class Codes: G05B 2219/34023 Risc processor
• CPC Class Codes: G05B 2219/34098 Slope fitting, fairing contour, curve fitting, transition
• CPC Class Codes: G05B 2219/34471 : Program memory is inhibited, not accessible as long as power fails
• CPC Class Codes: G05B 2219/34472 : Configure alterable memory as read only, to avoid erasing
• CPC Class Codes: G05B 2219/35262 : Macro instruction, canned cycles, subroutines, subprogram
• CPC Class Codes: G05B 2219/35263 : Using variables, parameters in program, macro, parametrized instruction
• CPC Class Codes: G05B 2219/35373 : Data storage, buffer
• CPC Class Codes: G05B 2219/35431 : Interactive
• CPC Class Codes: G05B 2219/35436 : Means, manual input, input reference, hand wheel
• CPC Class Codes: G05B 2219/35453 : Voice announcement, oral, speech input
• CPC Class Codes: G05B 2219/35472 : Mode selection
• CPC Class Codes: G05B 2219/35554 : Mirror, other conversions
• CPC Class Codes: G05B 2219/36152 : Panel
• CPC Class Codes: G05B 2219/36333 : Selection from standard forms, shapes, partprograms, enter value for variable
• CPC Class Codes: G05B 2219/36366 : Data, read in, distribution
• CPC Class Codes: G05B 2219/36379 : Read in
• CPC Class Codes: G05B 2219/36503 : Adapt program to real coordinates, software orientation
• CPC Class Codes: G05B 2219/36546 : Memory protection, protected fields
• CPC Class Codes: G05B 2219/41021 : Variable gain
• CPC Class Codes: G05B 2219/42237 : Pwm pulse width modulation, pulse to position modulation ppm
• CPC Class Codes: G05B 2219/45214 : Gear cutting
• CPC Class Codes: G05B 2219/45215 : Thread cutting
• CPC Class Codes: G05B 2219/49221 : Control of scale
• CPC Class Codes: G05B 2219/50047 : Positioning, indexing
• CPC Class Codes: G05B 2219/50048 : Jogging
• CPC Class Codes: G05B 2219/50083 : Power loss, measures again loss of power
• CPC Class Codes: G05B 2219/50151 : Orient, translate, align workpiece to fit position assumed in program
• CPC Class Codes: G06F 13/16 : for access to memory bus G06F13/28 takes precedence
• CPC Class Codes: G06J 1/00 : Hybrid computing arrangements digitally-programmed analogue computers G06G7/06
• CPC Class Codes: G07G 1/12 : electronically operated digital data processing aspects G06Q20/00
• CPC Class Codes: G10L 19/00 : Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis in musical instruments G10H
• CPC Class Codes: G11C 11/565 : using capacitive charge storage elements
• CPC Class Codes: G11C 16/3418 : Disturbance prevention or evaluation; Refreshing of disturbed memory data
• CPC Class Codes: G11C 16/3431 : Circuits or methods to detect disturbed nonvolatile memory cells, e.g. which still read as programmed but with threshold less than the program verify threshold or read as erased but with threshold greater than the erase verify threshold, and to reverse the disturbance via a refreshing programming or erasing step
• CPC Class Codes: G11C 19/287 : Organisation of a multiplicity of shift registers
• CPC Class Codes: G11C 19/36 : using multistable semiconductor elements
• CPC Class Codes: G11C 27/00 : Electric analogue stores, e.g. for storing instantaneous values
• CPC Class Codes: G11C 27/04 : Shift registers
• CPC Class Codes: G11C 7/16 : Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
• CPC Class Codes: Y02P 90/02 : Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

A machine control system is provided, being connected to a remote source of machine commands. In a preferred embodiment, a computerized numerical control (CNC) system is provided for controlling a machine and is arranged for communication with a remote computer center for receiving parts program commands therefrom and for controlling a machine in response thereto. Multiple sources of parts program commands are provided including a tape reader source and an operator panel source of parts program commands. Parts program commands can be executed directly for control of a machine or can be stored in a parts program memory for buffering, editing, converting, assembling and other functions. Many numerical control features are provided with the CNC system of the present invention for enhanced capabilities.

Claims

1. A computerized machine control system comprising:

an output date link for communicating machine information to a remote computer in response to a data link output signal;

an input data link for inputting machine command information from a remote computer source of machine command information;

a machine command memory for storing machine command information;

an operator control panel for generating machine command information in response to operator action;

select means for providing a plurality of machine command source select signals;

a stored program computer for processing machine command information in response to a stored computer program;

said computer including means for receiving machine command information from said input data link in response to a first source select signal, means for receiving machine command information from said machine command memory in response to a second source select signal, means for receiving machine command information from said operator control panel in response to a third source select signal, means for storing the computer program, means for processing the machine command information received in response to a source select signal under control of the stored computer program, means for generating the data link output signal to said output data link in response to said processing of the machine command information with said processing means to communicate the machine information to said remote computer, means for generating a machine related display signal in response to the processing of the machine command information with said processing means, and means for generating a machine control signal in response to said processing of the machine command information with said processing means;

a display for displaying machine-related information to an operator in response to the display output signal; and

a controller for controlling a machine in response to the machine control signal.

2. The system as set forth in claim 1 above, wherein said computer is a integrated circuit computer, wherein said computer program storing means is an integrated circuit read only memory for storing the computer program in read only form, wherein said computer further includes an integrated circuit alterable memory for storing processed information, and wherein said processing means includes means for generating information stored in said alterable memory in response to the processing of the received machine command information.

3. The system as set forth in claim 1 above, wherein said machine control system is arranged for controlling a machine tool, wherein said controller is arranged for controlling said machine tool in response to the machine control signal, wherein the machine command information from said input data link includes parts program command in EIA format for controlling said machine tool, and wherein the machine control signal is generated in response to the processing of the parts program information with said processing means.

4. The system as set forth in claim 1 above, further comprising a punched tape reader for generating parts program information in EIA form in response to reading of a punched tape, wherein said computer further includes means for receiving parts program information from said punched tape reader in response to a third source select signal, and wherein said input data link includes a telephone data link for inputting the machine command information as parts program information in ASCII form.

5. The system as set forth in claim 1 above, wherein said machine controller includes a closed loop servo for controlling a machine in response to the machine control signal.

6. The system as set forth in claim 1 above, further comprising a CRT display for displaying parts program information in response to a display signal, said computer further including display output means for generating the display signal in response to the processing of machine command information with said processing means.

7. The system as set forth in claim 1 above, further comprising a printer for printing information in response to a print control signal, said computer further including printer output means for generating the print control signal in response to the processing of machine command information with said processing means.

8. A computerized machine control system comprising:

a data link for communicating machine command information from a remote computer source of machine command information;

an operator panel for generating machine command information;

an integrated circuit stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) an integrated circuit read only memory for storing a computer program in read only form,

(b) an integrated circuit alterable memory for storing processed information,

(c) input means for storing machine command information communicated with said data link and machine command information generated with said operator panel in said alterable memory,

(d) processing means for processing the machine command information stored in said alterable memory in response to the computer program stored in said read only memory,

(e) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(f) output data link means for generating an output data link signal in response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

9. A computerized machine control system comprising:

a data link for communciating machine command information from a remote computer source of machine command information;

an operator panel for generating machine command information;

select means for generating a select signal to select a source of machine command information;

a stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) a memory for storing a computer program,

(b) input means for inputting machine command information communicated with said data link and machine command information generated with said operator panel,

(c) means for selecting machine command information from said operator panel and from said data link,

(d) processing means for processing the machine command information selected with said select means under control of the computer program stored in said memory in response to the select signal,

(e) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(f) output data link means for generating an output data link signaling response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

10. A computerized machine control system comprising:

a data link for communicating machine command information from a remote computer source of machine command information;

an operator panel for generating machine command information;

a stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) a memory for storing a computer program,

(b) input means for inputting machine command information communicated with said data link and machine command information generated with said operator panel,

(c) processing means for processing the machine command information input with said input means under control of the computer program stored in said memory,

(d) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(e) output data link means for generating an output data link signal in response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

11. The system as set forth in claim 10 above, wherein said machine control system is arranged for controlling a machine tool, wherein the machine command information from said operator panel and said data link is parts program comands in EIA format for controlling a machine tool, and wherein the machine control signal is generated in response to the processing of the parts program commands.

12. The system as set forth in claim 10 above, further comprising a punched tape reader for generating parts program information in EIA form in response to reading of a punched tape and wherein said data link includes a telephone data link for generating parts program information in ASCII form.

13. The system as set forth in claim 10 above, wherein said operator panel includes means for generating parts program information in response to operator action, wherein said computer processing means includes means for processing the parts program information from said operator panel under control of the program from said memory, and wherein said computer output control means includes means for generating the machine control signal in response to the processing of parts program information from said operator panel with said processing means.

14. The system as set forth in claim 10 above, further comprising means for storing the machine command information input from said operator panel and from said data link with said input means, wherein said processing means includes means for processing the machine command information stored in said machine command information storing means under control of the program stored in said computer memory, wherein said computer output control means includes means for generating the machine control signals in response to the processing of the machine command information stored in said machine command information storing means.

15. A computerized machine control system comprising:

a data link for communicating machine command information from a remote computer source of machine command information;

an operator panel for generating machine command information;

a CRT for displaying machine-related information in response to a display signal;

a stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) a memory for storing a computer program,

(b) input means for inputting machine command information communicated with said data link and machine command information generated with said operator panel,

(c) processing means for processing the machine command information input with said input means under control of the computer program stored in said memory,

(d) display output means for generating the display signal to said CRT in response to the processing of machine command information with said processing means,

(e) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(f) output data link means for generating an output data link signal in response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

16. A computerized machine control system comprising:

a data link for communicating machine command information from a remote computer source of machine command information;

an operatorpanel for generating machine command information;

a printer for printing machine-related information in response to a print control signal;

a stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) a memory for storing a computer program,

(b) input means for inputting machine command information communicated with said data link and machine command information generated with said operator panel,

(c) processing means for processing the machine command information input with said input means under control of the computer program stored in said memory,

(d) printer output means for generating the print control signal to said printer in response to the processing of machine command information with said processing means,

(e) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(f) output data link means for generating an output data link signalin response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

17. A computerized machine control system comprising:

a data link for communicating machine command information from a remote computer source of machine command information;

an operator panel for generating machine command information;

a machine command memory for storing machine command information;

a stored program computer for generating machine control signals in response to processing of machine command information under control of a stored computer program, said computer including

(a) a program memory for storing a computer program,

(b) input means for inputting machine command information communicated with said data link and machine command information generated with said operator panel,

(c) means for storing the communicated machine command information from said data link in said machine command memory,

(d) means for accessing machine command information from said machine command memory,

(e) processing means for processing the machine command information accessed from said machine command memory under control of the computer program stored in said program memory,

(f) output control means for generating the machine control signals in response to the processing of machine command information with said processing means, and

(g) output data link means for generating an output data link signal in response to the processing of machine command information with said processing means;

a machine for performing machine operations in response to the machine control signal from said output means; and

a data link for communicating information to a remote computer in response to the output data link signal from said output data link means.

18. The system as set forth in claim 17 above further comprising modify means for providing modify signals in a control-oriented language in response to operator action, said computer further including means for modifying the parts program information stored in said parts program memory in response to at least one of the modify signals.

19. A machine control system comprising:

a machine feedback device for generating a machine feedback signal in response to a machine operation;

a data link from a remote computer for generating a machine command signal;

a stored program digital computer for generating a machine control signal in response to processing of a machine command signal under control of a stored program, said computer including

(a) a computer memory for storing the program,

(b) feedback input logic for generating an input feedback signal in response to the machine feedback signal from said machine feedback device,

(c) command input logic for generating an input command signal in response to the machine command signal from said data link,

(d) processing logic for processing the input feedback signal from said feedback input logic in response to the input command signal from said data link input logic under control of the program stored in said computer memory,

(e) output data link logic for generating an output data link signal in response to the machine feedback signal from said feedback input logic, and

(f) output control logic for generating the machine control signal in response to the processing of the input feedback signal with said processing logic;

a data link to a remote computer for communicating machine-related information to said remote computer in response to the output data link signal from said output data link logic;

a controller for controlling a machine in response to the machine control signal from said output control logic; and

a machine for operating under control of said controller.

20. The system as set forth in claim 19 above, wherein said computer memory is an integrated circuit read only memory for storing the program in read only form, wherein said computer further includes an integrated circuit alterable memory for storing processed information, and wherein said processing logic includes means for generating the processed information stored in said alterable memory in response to the processing of the input feedback signal with said processing logic under control of the program stored in said computer memory.

21. The system as set forth in claim 19 above, wherein said machine control system is arranged for controlling a machine tool, wherein said machine is a machine tool, wherein said controller includes means for controlling said machine tool in response to the machine control signal from said output control logic, wherein the machine command signals from said data link include parts program command signals in EIA format for controlling said machine tool, and wherein the processing of the input feedback signal is performed in response to the parts program command signals in EIA format.

22. The system as set forth in claim 19 above, further comprising a tape reader for generating a machine command signal in response to reading of a tape and select means for generating a select signal to select a source of machine command signals, wherein said command input logic includes means for generating the input command signal in response to selection of a machine command signal from said tape reader and from said data link.

23. The system as set forth in claim 22 above, wherein said tape reader includes a punched tape reader for generating a machine command signal in EIA signal form in response to reading of a punched tape and wherein said data link includes a telephone data link for generating a machine command signal in ASCII signal form.

24. The system as set forth in claim 19 above, wherein said machine controller includes a closed loop servo for controlling said machine in response to the machine control signal.

25. The system as set forth in claim 19 above, further comprising an operator control panel for generating a machine command signal in response to operator action, wherein said computer further includes panel input logic for receiving the machine command signal from said operator control panel;

wherein said processing logic further includes means for processing the maching command signal from said operator control panel under control of the program stored in said computer memory, and wherein said output control logic includes means for generating the machine control signal in response to the processing of a machine command signal from said operator panel.

26. The system as set forth in claim 19 above, further comprising a printer for printing information in response to a print control signal, said computer further including printer output means for generating the print control signal in response to the processing of the input feedback signal with said processing logic.

27. A machine control system comprising:

a machine feedback device for generating a machine feedback signal in response to a machine operation;

a data link from a remote computer for generating a machine command signal;

a stored program digital computer for generating a machine control signal in response to processing of a machine command signal under control of a stored program, said computer including

(a) a computer memory for storing the program,

(b) feedback input logic for generating an input feedback signal in response to the machine feedback signal from said machine feedback device,

(c) command input logic for generating an input command signal in response to the machine command signal from said data link,

(d) means for storing input command signal from said command input logic,

(e) processin logic for processing the input feedback signal from said feedback input logic in response to the input command signals stored in said machine command signal storing means under control of the program stored in said computer memory,

(e) output data link logic for generating an output data link signal in response to the machine feedback signal from said feedback input logic, and

(f) output control logic for generating the machine control signal in response to the stored input command signal responsive processing of the input feedback signal with said processing logic;

a data link to a remote computer for communicating machine-related information to said remote computer in response to the output data link signal from said output data link logic;

a controller for controlling a machine in response to the machine control signal from said output control logic; and

a machine for operating under control of said controller.

28. A machine control system comprising:

a machine feedback device for generating a machine feedback signal in response to a machine operation;

a data link from a remote computer for generating a machine command signal;

a stored program digital computer for generating a machine control signal in response to processing of a machine command signal under control of a stored program, said computer including

(a) a computer memory for storing the program,

(b) feedback input logic for generating an input feedback signal in response to the machine feedback signal from said machine feedback device,

(c) command input logic for generating an input command signal in response to the machine command signal from said data link,

(d) processing logic for processing the input feedback signal from said feedback input logic in response to the input command signal from said data link input logic under control of the program stored in said computer memory,

(e) output data link logic for generating an output data link signal in response to the machine feedback signal from said feedback input logic,

(f) output control logic for generating the machine control signal in response to the processing of the input feedback signal with said processing logic, an

(g) display output means for generating a display signal in response to the processing of the input feedback signal with said processing logic;

a data link to a remote computer for communicating machine-related information to said remote computer in response to the output data link signal from said output data link logic;

a CRT display for displaying machine command information in response to the display signal;

a controller for controlling a machine in response to the machine control signal from said output control logic; and

a machine for operating under control of said controller.

29. A machine control system comprising:

an input data link from a remote computer for communicating machine commands from said remote computer;

an operator panel for generating machine commands in response to operator action;

a stored program digital computer for generating a machine control signal in response to processing of machine commands under control of a stored program, said computer including

(a) a program memory for storing the program,

(b) processing logic for processing the machine commands from said operator panel and for processing machine commands from said input data link under control of the stored program from said program memory,

(c) output control logic for generating the machine control signal in response to the processing of the machine commands with said processing logic, and

(d) output data link logic for generating an output data link signal in response to the processing of the machine commands with said processing logic;

a machine controller for controlling a machine in response to the machine control signal from said computer output logic; and

an output data link to a remote computer for communicating machine information to said remote computer in response to the output data link signal from said output data link logic.

30. A machine control system comprising:

means for communicating information to a remote computer system in response to a communication output signal from a computer;

a machine command memory for storing machine commands;

an operator panel for generating machine commands;

a stored program computer for generating machine control signals in response to processing of machine commands under control of a stored computer program, said computer including

(a) a computer program memory for storing a computer program,

(b) input logic for inputting machine commands stored in said machine command memory and machine commands generated with said operator panel,

(c) processing logic for processing the machine commands input with said input logic under control of the stored computer program,

(d) output control logic for generating a machine control signal in response to the processing of the machine commands with said processing logic, and

(e) output communication logic for generating the communication output signal to said communicating means in response to the processing of the machine commands with said processing logic; and

a controller for controlling a machine in response to the machine control signals from said output logic.

31. The system as set forth in claim 30 above, wherein said computer is an integrated circuit computer and wherein said computer program includes an integrated circuit read only memory for storing the computer program.

32. A machine control system including a machine control unit for controlling a machine and a machine for generating a part, said machine control unit comprising:

means for inputting parts program commands, wherein said inputting means includes

(a) a tape reader for generating parts program commands in response to a punched tape and

(b) a data link for generating parts program commands in response to communication with a remote computer system;

means for storing digital information, said storing means including a parts program memory for storing a plurality of blocks of parts program commands and a computer stored program memory for storing a plurality of computer instructions;

computer means for processing parts program information in response to a plurality of computer instructions stored in said storing means, said computer means including

(a) means for receiving parts program command from said tape reader,

(b) means for storing the received parts program commands from said tape reader in said parts program memory,

(c) means for receiving parts program commands from said data link,

(d) means for storing the received parts program commands from said data link in said parts program memory,

(e) means for processing the parts program commands stored in said parts program memory in response to the computer instructions stored in said computer stored program memory, and

(f) means for generating machine command signals in response to the processing of parts program commands with said processing means; and

control means for controlling a machine in response to the machine command signals.

33. A system for controlling a machine, said system comprising:

a remote computer for generating machine commands;

a data link for communicating the machine commands from said remote computer to a machine control unit; and

a machine control unit for controlling a machine in response to machine commands, said machine control unit including

(1) an operator panel for generating machine commands,

(2) feedback means for generating a machine feedback signal related to a machine operation,

(3) a stored program computer for generating machine control signals in response to processing of machine commands, said stored program computer including

(a) means for receiving the machine commands from said data link and from said operator panel,

(b) means for receiving the machine feedback signal from said feedback means,

(c) a memory for storing a computer program,

(d) processing logic for processing the machine feedback signal received with said machine feedback signal receiving means in response to the machine commands received with said machine command receiving means to generate machine control signals under control of the program stored in said memory, and

(e) output logic for outputting the machine control signals generated with said processing logic, and

(4) means for controlling a machine in response to the machine control signals from said output means.