66 -- HYDRAULIC SERVO CONTROLLER AND VOICE COIL SERVOVALVE POWER DRIVE

Notice Date

June 29, 2001

Contracting Office

Bureau of Reclamation, Acquisition Operations Group, Code D-7810, Denver Federal Center, PO Box 25007, Denver CO 80225

ZIP Code

80225

Solicitation Number

01SQ810244

Response Due

July 9, 2001

Point of Contact

Evelyn M. Tate 303-445-6345 fax

E-Mail Address

Evelyn M. Tate (this is a hot link to e-mail address) (etate@do.usbr.gov)

Description

The Bureau of Reclamation is seeking potential sources for a hydraulic servo controller and a voice coil servovalve power drive. Potential sources must be capable of furnishing the following: Two electronic PID servocontrollers for control of hydraulic testing machines. The controllers will be used to replace existing electronic servocontrollers. General -- The controller shall provide control of a single hydraulic actuator. It shall produce an output suitable for driving an electric servovalve used to control the hydraulic actuator. The controller shall use PID control to produce the desired action by the hydraulic actuator based on an operator-selected feedback signal, either position or load. The controller shall incorporate a function generator for program signal generation and shall also accept external program signals. Servovalve Driver -- The controller as delivered shall be capable of controlling a servovalve. The controller shall provide loop closure using feedback from the testing machine's load transducer or position transducer. The servovalve driver shall have the capability of driving a servovalve with a minimum of 100-mA. Servocontroller Capabilities and Features -- The servocontroller shall incorporate the following features and capabilities. PID control of a single hydraulic actuator. The PID parameters shall be adjustable over a range to allow stable operation of a hydraulic actuator under a variety of test conditions. Electronics to drive the above referenced servovalves directly. Electronics to condition signals from a minimum of three feedback transducers. This shall include conditioning for an AC LVDT to measure actuator position, and two full-bridge strain gage type inputs. The operator shall have the option of selecting which feedback signal is to be used for control. A built-in function generator. The function generator shall provide program control and shall have ramp, sine, square, and triangle waveforms and presetting of test cycle counts. The frequency range of the function generator shall be a minimum of 0.1-Hz to 50-Hz with a 0.1-Hz resolution minimum. The controller shall also have an input for accepting external program signals. Front panel display of controller parameters including controller configuration, control parameters, function generation parameters, signal level of feedback sensors, min/max of feedback signals, and valve drive signals. Front panel setup of test parameters including ramp parameters, feedback selection, waveform, frequency, amplitude, cycle count, and PID parameters. Also program start, stop, and hold functions shall be accessed from the front panel. Hydraulic system control shall be incorporated in the front panel including low pressure, high pressure, off and emergency stop controls. Hydraulic control shall be compatible with 24 VDC control circuitry on the hydraulic power supply. BNC output connectors shall be provided on the front and rear panel for monitoring feedback transducer signals and the program input. Serial PC communications interface to allow control of the servocontroller by a PC. Driver software shall be included to facilitate programming the controller in VisualBasic or LabVIEW. Mating connectors for all connectors shall be provided and shall be solder-type. Operation from 115 VAC, 60-Hz power. A suitable surge suppressor shall be provided with each servocontroller. A complete set of documentation shall be provided with each servocontroller. Rack mounting hardware shall be provided for each servocontroller individually. Responses should include brochures or other illustrative material in sufficient detail to demonstrate the respondent's ability to meet the requirements stated above, and should include the firm's Dun and Bradstreet number (DUNS) and Tax Identification Number (TIN), either by mail, fax, or transmittal to the e-mail address listed below no later than, 10 days after date of publication of this notice. This is a Sources Sought Notice only, and not a Request for Quotation or an announcement of a solicitation. The Government will not pay for any materials furnished in response to this synopsis. Submittals furnished will not be returned to the sender. Firms should identify themselves as either small business, or other than small business, in accordance with the size standard for North American Industry Classification System (NAICS) Code 334519 which is 500 employees. This notice is for market research purposes only, however, the information gathered from this notice will be used to determine which preference program will be used to process the acquisition (e.g., 8(a) set-aside under the Small Business Administration's 8(a) program, total small business set-aside, full and open competition). No preference program determination will be made until the market research has been completed.

Web Link

This is a hot link to Electronic Commerce (http://ideasec.nbc.gov)

Record

Loren Data Corp. 20010703/66SOL005.HTM (W-180 SN50Q5J4)