Portable articulated arm coordinate measuring machine and integrated electronic data processing system

• US 8,942,940 B2
• Filed: 01/14/2011
• Issued: 01/27/2015
• Est. Priority Date: 01/20/2010
• Status: Active Grant

• Current Assignee: Faro Technologies Incorporated
• Original Assignee: Faro Technologies Incorporated
• Inventors: York, Frederick John
• Primary Examiner(s): Assouad, Patrick
• Assistant Examiner(s): Zhang, Haidong
• Application Number:
  US13/006,564
• Publication Number:
  US 20110178755A1
• Time in Patent Office: 1,474 Days
• Field of Search: 702/95
• US Class Current: 702/95
• CPC Class Codes: G01B 11/007 feeler heads therefor
• CPC Class Codes: G01B 21/047 Accessories, e.g. for positioning, for tool-setting, for measuring probes
• CPC Class Codes: G01B 5/012 Contact-making feeler heads therefor
• CPC Class Codes: G05B 19/401 characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes G05B19/19 takes precedence
• CPC Class Codes: G05B 19/406 characterised by monitoring or safety G05B19/19 takes precedence
• CPC Class Codes: G05B 2219/24067 Processor stores variables, events and date in eeprom, for external monitor
• CPC Class Codes: G05B 2219/37193 Multicoordinate measuring system, machine, cmm
• CPC Class Codes: G05B 2219/40233 Portable robot
• CPC Class Codes: G05B 2219/40596 Encoder in each joint
• CPC Class Codes: G05B 2219/45061 Measuring robot

Abstract

Implementing a portable articulated arm coordinate measuring machine includes receiving a first request to perform a function. The portable AACMM includes a manually positionable articulated arm portion having opposed first and second ends, the arm portion including a plurality of connected arm segments, each arm segment including at least one position transducer for producing a position signal, a measurement device attached to a first end of the AACMM, and an electronic circuit which receives the position signals from the transducers and provides data corresponding to a position of the measurement device. Implementing the portable articulated arm coordinate measuring machine also includes identifying a source device from which the first request is received, implementing the function pursuant to the first request, selecting a destination device as the source device of the first request by identifying from which of a first and second port the first request is received, and transmitting information derived from implementing the function to the destination device.

Claims

1. A method of implementing a portable articulated arm coordinate measuring machine (AACMM), comprising:

receiving, by a computer processor of the portable AACMM, a first request to perform a first function, the portable AACMM comprised of a manually positionable arm portion having opposed first and second ends, the arm portion including a plurality of connected arm segments, each arm segment including at least one position transducer for producing a position signal, a measurement device attached to a first end of the AACMM, and an electronic circuit which receives the position signals from the transducers and provides data corresponding to a position of the measurement device;

identifying a source device from which the first request is received;

implementing, by the computer processor, the first function pursuant to the first request;

receiving, by the computer processor, a second request to perform a second function during performance of the first function;

identifying a source device from which the second request is received;

pausing implementation of the first function and storing data acquired from the implementation of the first function in a memory location of the portable AACMM;

selecting a destination device as the source device of the second request;

transmitting, by the computer processor, information derived from implementing the second function to the destination device corresponding to the second request; and

continuing implementation of the first function, including;

selecting a destination device as the source device of the first request by identifying from which of a first and second port the first request is received; and

transmitting, by the computer processor, information derived from implementing the first function to the destination device as the source device of the first request.

2. The method of claim 1, wherein the first function includes acquisition of dimensional measurements of an object;

and

wherein the transmitting information derived from implementing the first function includes at least one of;

transmitting raw measurement data to the destination device as the source device of the first request; and

converting the raw measurement data to three-dimensional coordinate data that comprises the information prior to the transmitting information derived from implementing the first function.

3. The method of claim 1, wherein the first request includes a request to capture data from a peripheral device communicatively coupled to the portable AACMM, the method further comprising transmitting the captured data from the peripheral component via a bus to the electronic circuit.

4. The method of claim 3, wherein the peripheral component comprises at least one of a:

laser line probe;

thermal scanning device;

radio frequency identification device scanner; and

camera.

5. The method of claim 1, wherein the first function includes at least one of:

monitoring temperature values via a temperature sensor disposed on the portable AACMM;

performing calibration of at least one component of the portable AACMM; and

performing diagnostics on at least one component of the portable AACMM.

6. The method of claim 1, wherein the first request is received at the electronic circuit from at least one of a user interface component onboard the portable AACMM via the first port on the electronic circuit and an external computer processor via the second port on the electronic circuit, the external computer processor remotely located from the portable AACMM.

7. A portable articulated arm coordinate measuring machine (AACMM), comprising:

a manually positionable arm portion having opposed first and second ends, the arm portion including a plurality of connected arm segments, each of the arm segments including at least one position transducer for producing a position signal;

a measurement device attached to a first end of the AACMM;

an electronic circuit for receiving the position signals from the transducers and for providing data corresponding to a position of the measurement device; and

logic executable by the electronic circuit, wherein the logic receives a first request to perform a first function, identifies a source device from which the first request is received, implements the first function pursuant to the first request, receives a second request to perform a second function during performance of the first function, identifies a source device from which the second request is received, pauses implementation of the first function and stores data acquired from the implementation of the first function in a memory location of the portable AACMM, selects a destination device as the source device of the second request, transmits information derived from implementing the second function to the destination device corresponding to the second request, and continues implementation of the first function, the implementation continued by selecting a destination device as the source device of the first request by identifying from which of a first and second port the first request is received, and transmitting information derived from implementing the first function to the destination device as the source device of the first request.

8. The portable AACMM of claim 7, wherein the first function includes acquisition of dimensional measurements of an object;

and

wherein transmitting the information derived from implementing the first function includes at least one of;

transmitting raw measurement data to the destination device as the source device of the first request, and converting the raw measurement data to three-dimensional coordinate data that comprises the information prior to the transmitting information derived from implementing the first function.

9. The portable AACMM of claim 7, wherein the first request includes a request to capture data from a peripheral device communicatively coupled to the portable AACMM, wherein the logic further transmits the captured data from the peripheral component via a bus to the electronic circuit;

wherein the peripheral component comprises at least one of a;

laser line probe;

thermal scanning device;

radio frequency identification device scanner; and

camera.

10. The portable AACMM of claim 7, wherein the first function includes at least one of:

monitoring temperature values via a temperature sensor disposed on the portable AACMM;

performing calibration of at least one component of the portable AACMM; and

performing diagnostics on at least one component of the portable AACMM.

11. The portable AACMM of claim 7, wherein the first request is received at the electronic circuit from at least one of a user interface component onboard the portable AACMM via the first port on the electronic circuit and an external computer processor via the second port on the electronic circuit, the external computer processor remotely located from the portable AACMM.

12. A computer program product for implementing a portable articulated arm coordinate measuring machine (AACMM), the computer program product comprising a non-transitory computer storage medium having computer-readable program code embodied thereon, which when executed by a computer causes the computer to implement a method, the method comprising:

receiving a first request to perform a first function;

identifying a source device from which the first request is received;

implementing the first function pursuant to the first request;

receiving a second request to perform a second function during performance of the first function;

identifying a source device from which the second request is received;

pausing implementation of the first function and storing data acquired from the implementation of the first function in a memory location of the portable AACMM;

selecting a destination device as the source device of the second request;

transmitting information derived from implementing the second function to the destination device corresponding to the second request; and

continuing implementation of the first function, including;

selecting a destination device as the source device of the first request by identifying from which of a first and second port the first request is received; and

transmitting information derived from implementing the first function to the destination device as the source device of the first request.

13. The computer program product of claim 12, wherein the first function includes acquisition of dimensional measurements of an object;

and

wherein the transmitting information derived from implementing the first function includes at least one of;

transmitting raw measurement data to the destination device as the source device of the first request; and

converting the raw measurement data to three-dimensional coordinate data that comprises the information prior to the transmitting information derived from implementing the first function.

14. The computer program product of claim 12, wherein the first request includes a request to capture data from a peripheral device communicatively coupled to the portable AACMM, the method further comprising transmitting the captured data from the peripheral component via a bus to the electronic circuit.

15. The computer program product of claim 14, wherein the peripheral component comprises at least one of a:

laser line probe;

thermal scanning device;

radio frequency identification device scanner; and

camera.

16. The computer program product of claim 12, wherein the first function includes at least one of:

monitoring temperature values via a temperature sensor disposed on the portable AACMM;

performing calibration of at least one component of the portable AACMM; and

performing diagnostics on at least one component of the portable AACMM.

17. The computer program product of claim 12, wherein the first request is received at the electronic circuit from at least one of a user interface component onboard the portable AACMM via the first port on the electronic circuit and an external computer processor via the second port on the electronic circuit, the external computer processor remotely located from the portable AACMM.