Search results

This paper establishes a quality model for automation assembly of range hood impeller based on generalized grey relational degree, it improves the debugging efficiency of the newly developed assembly workstation.

First, spot check the trial production impellers and obtain three indexes that reflect the assembly quality of the impellers. Then, analyze the parameters that affect the assembly quality of the impeller using grey relational analysis (GRA), establish a model for the assembly quality of the range hood impeller based on the generalized grey relational degree and identify the main parameters. After that, analyze the transmission structure of automation assembly workstation, identify the reasons that affect parameters and propose improvement plans. Finally, a trial production is conducted on the automation assembly workstation after adopting the improved plan to verify the quality model of impeller automation assembly.

The research shows that compared to manual assembly, the automation assembly quality of the impeller using GRA model has been improved, shortening the debugging cycle of the newly developed assembly workstation.

The newly developed automation equipment will have some problems in the trial production stage, which often rely on the experience of engineers for debugging. In this paper, the automation assembly quality model of range hood impeller based on GRA is established, which can not only ensure the quality of finished impeller but also shorten the debugging cycle of the equipment. In addition, GRA can be widely used in the commissioning of other automation equipment.

This study has developed a set of impeller automation assembly workstation. The debugging method in the trial production stage is beneficial to shorten the trial production time and improve the economic benefits.

Even if you're a new user of MS‐DOS microcomputers, you've probably seen a key marked Num Lock somewhere on your keyboard. Num Lock (for Numeric Lock) causes the dual‐purpose numeric keypad on the right side of most MS‐DOS keyboards to generate numbers (when Num Lock is ON) or to control cursor or other screen movement (when Num Lock is OFF). Certain MS‐DOS computers always boot up with Num Lock set to ON. This is probably the way you want it set if you do lots of numeric data input, but many microcomputer programs use the cursor control keys (Left and Right Arrows, Home, End, etc.) for everything from menu selection to viewing documents. To run these programs, you probably want Num Lock to be OFF. Sure, lots of keyboards (including the standard M310 Workstation keyboard) repeat the cursor control keys elsewhere on the keyboard, but some users (including myself) are very familiar with the placement and “feel” of the cursor control keys that are shared with the numeric keypad.

One of the true milestones of library history was reached last year when OCLC introduced the new PRISM service to its member libraries. PRISM was everything OCLC, promised it would be: easy to use, fast, and efficient. Like many libraries across the country, McMullen Library at St. Ambrose University registered a significant increase in productivity last year, thanks in part to the new PRISM system.

Describes virtual manufacturing software which lets production engineers create life‐like, full‐action mock‐ups of automated production systems on computer workstations and then analyse and debug them before investing in costly capital equipment. Virtual manufacturing software that is compatible with CAD permits the design of manufacturing processes around three‐dimensional CAD production models. Explains that many prominent automotive companies are now using this software and gives examples. Concludes that by using virtual manufacturing as their product design tools, companies can now integrate product design, manufacturing system design and production stages, with all participants working with a single, current database.

An expert system named Navigator developed at the Scottish plant of IBM at Greenock is helping the company's test technicians to keep pace with potential bugs in fast‐changing printed circuit card designs. Jack Hollingum reports.

If you have an M300 Workstation and a serial printer, you may have noticed that WordStar version 3.3 will not print through the COM2 port even after you have issued the appropriate MODE commands. The reason for this is that WordStar bypasses DOS for printing, preferring to handle printing on its own. Unfortunately, WordStar assumes that a serial printer is connected to COM1. If your serial printer is on COM2, you may want to make the following modification (patch) to WordStar. This patch changes the serial printer port from COM1 to COM2.

The Third International Conference on CD‐ROM sponsored by Microsoft Corporation was held in Seattle March 1–3, 1988.

The purpose of this paper is to address the design, implementation, performance and limitations of an environment that emulates a secure element for rapid prototyping and debugging. Today, it is difficult for developers to get access to a near field communication (NFC)-secure element in current smartphones. Moreover, the security constraints of smartcards make in-circuit emulation and debugging of applications impractical. Therefore, an environment that emulates a secure element brings significant advantages for developers.

The authors' approach to such an environment is the emulation of Java Card applets on top of non-Java Card virtual machines (e.g. Android Dalvik VM), as this would facilitate the use of existing debugging tools. As the operation principle of the Java Card VM is based on persistent memory technology, the VM and applications running on top of it have a significantly different life cycle compared to other Java VMs. The authors evaluate these differences and their impact on Java VM-based Java Card emulation. They compare possible strategies to overcome the problems caused by these differences, propose a possible solution and create a prototypical implementation to verify the practical feasibility of such an emulation environment.

While the authors found that the Java Card inbuilt persistent memory management is not available on other Java VMs, they present a strategy to model this persistence mechanism on other VMs to build a complete Java Card run-time environment on top of a non-Java Card VM. Their analysis of the performance degradation in a prototypical implementation caused by additional effort put into maintaining persistent application state revealed that the implementation of such an emulation environment is practically feasible.

This paper addresses the problem of emulating a complete Java Card run-time environment on top of non-Java Card virtual machines which could open and significantly ease the development of NFC secure element applications.

Leicester Polytechnic and Dawsons have co‐operated in the production of a workstation for use by library and information staff. The basic ideas behind the construction of this workstation are outlined here.

If you've ever taken the time to leaf through the owner's manual that came with your printer, you may have seen a list of special features like underlining, boldface printing, and graphics modes. Unfortunately, each printer has a different set of control codes to actuate these special features. As a result, most software packages avoid using these features so that the software will operate correctly with virtually any printer. But what's the point of having special features and operating modes if few software packages make any use of them?