Dealing with the Low Production Rates of Severely Retarded Workers

AAESPH Review ◽  
1979 ◽  
Vol 4 (2) ◽  
pp. 202-212 ◽  
Author(s):  
Robert H. Horner ◽  
Brian Lahren ◽  
Thomas P. Schwartz ◽  
Candace T. O'Neill ◽  
Janis D. Hunter
Keyword(s):  
Quality Control ◽  
Differential Reinforcement ◽  
Production Rates ◽  
Cable Harness ◽  
Sheltered Workshop ◽  
Standard Rate ◽  
The Subject ◽  
Quality Control Check ◽  
Time Required

Two studies designed to increase the low production rates of severely retarded workers in a sheltered workshop setting are described. In one, differential reinforcement of higher rate was used to increase the rate of assembly of a cable harness from 13% of the standard rate of normal workers to almost 50% of the norm standard. In the second, a system of self-delivery of reward was used to shorten the time required to assemble a test adapter. The subject was trained successfully to perform a quality control check. The implications of the two studies for sheltered workshop settings are explored.

ROBOTS AND APPAREL MANUFACTURING

2021 ◽  
Vol 0 (15) ◽  
pp. 0-0
Author(s):  
Ahmet ÖZBEK ◽  
Oğuzhan PEKİNALP
Keyword(s):  
Quality Control ◽  
Humanoid Robot ◽  
Robotic Systems ◽  
Robotic Arm ◽  
Apparel Manufacturing ◽  
Robot Gripper ◽  
The People ◽  
Apparel Production ◽  
The Subject ◽  
Robot Technology

Aim: The main purpose of this manuscript is to examine the robot technologies developed or under development for use in apparel production. Then, based on the identified related robotic technologies, it is aimed to inform the apparel clothing companies about the latest status of robot technologies and to provide information about the identified shortcomings to the people or institutions interested in this field, leading to new studies. Method: Within the scope of the manuscript, the literature on the subject was searched. Results: As a result of the literature review, robotics developed or under development to perform fabric laying (PR2 robot, Gripper and Picking Pad), sewing (Kuka LWR 4 and Robotic Arm), ironing (Baxter and Humanoid robot TEO) and packaging (Robot Motoman SDA10D) technologies have been identified. However, no robot technology has been found for cutting and quality control processes. Conclusion: Although many robotic systems have been developed for use in the apparel production, it has been understood that new R&D studies are needed in this area in order for the production to be fully robotized.

scholarly journals Use of platelet-rich plasma in regenerative medicine: technical tools for correct quality control

2018 ◽  
Vol 4 (1) ◽  
pp. e000442 ◽  
Author(s):  
Hajer Graiet ◽  
Anna Lokchine ◽  
Pauline Francois ◽  
Melanie Velier ◽  
Fanny Grimaud ◽  
...  
Keyword(s):  
Quality Control ◽  
Whole Blood ◽  
Sports Medicine ◽  
Platelet Rich Plasma ◽  
Systematic Sampling ◽  
Significant Difference ◽  
Platelet Concentration ◽  
Harvesting Method ◽  
Clinical Interest ◽  
The Subject

Background/aimsPlatelet-rich plasma (PRP) injections are used in sports medicine and have been the subject of increased clinical interest. However, there have been very few reports of the composition of initial whole blood and the final PRP product. The objective of this study was to provide technical tools to perform a correct characterisation of platelets, leucocytes and red blood cells (RBCs) from whole blood and PRP.MethodsBlood and PRP were obtained from 26 healthy volunteers and prepared according to the varying parameters encountered within PRP process preparation and quantification (harvesting method, anticoagulant used, sampling method, counting method). Concentrations were measured at t=0, t=1, t=6 and t=24 hours.ResultsSampling of blood in Eppendorf tubes significantly decreased platelet concentration over time, whereas sampling in Microvette EDTA-coated tube kept platelet concentration stable until 24 hours. A non-significant difference was observed in platelet counts in PRP with impedance (median (IQR): 521.8 G/L (505.3–524.7)) and fluorescence (591.5 G/L (581.5–595.8)) methods. Other studied parameters did not influence platelet concentrations in blood or PRP samples. Leucocytes and RBC counts were similar whatever the anticoagulant, sampling, harvesting and counting methods used for both blood and PRP samples.ConclusionsSystematic sampling of blood and PRP in EDTA-coated tubes for quality control is recommended. The use of a validated counter for PRP sample should also be taken into account.

Fig. 9 Freeze fracture electron micrograph of ELimixed phosphoinositides (4:1) liposomes after 10 passes through a0.1 pirn polycarbonate filter. growth, particularly during storage, would be undesirable in most products. Fortunately the tendency of liposomes to aggregate and fuse can be controlled by the inclusion of small amounts of negatively charged lipids such as PS or PG or positively charged amphiphiles such as stearylamine in the formulation. Knowing the number and the sign of charged groups added and the valency and concentration of electrolytes in the me-dium, the magnitude of the electrostatic forces generated by these charged groups can be closely approximated by using the double layer theory. These results can then be correlated with physical stability of liposomes and used to guide formulation efforts. The amount of charged component and ionic conditions in a particular liposome dos-age form can be adjusted to produce a high-enough zeta potential to inhibit close ap-proach of vesicles and prevent their aggregation. In practice it is usually necessary to determine empirically the magnitude of the zeta potential required to prevent aggrega-tion in a particular system. However, once this has been done, it is possible to use the zeta potential as a quality control check to insure that each batch of liposomes contains sufficient charged groups to avoid aggregation during storage.

1998 ◽  
pp. 84-108
Keyword(s):  
Quality Control ◽  
Zeta Potential ◽  
Physical Stability ◽  
Freeze Fracture ◽  
Electron Micrograph ◽  
Electrostatic Forces ◽  
Quality Control Check ◽  
Charged Component ◽  
Fracture Electron ◽  
Positively Charged

scholarly journals IPG as a new method to improve the agility of the initial analysis of the inventive design

2021 ◽  
Vol 49 (3) ◽  
pp. 549-562
Author(s):  
Masih Hanifi ◽  
Hicham Chibane ◽  
Rémy Houssin ◽  
Denis Cavallucci
Keyword(s):  
Inverse Problem ◽  
Design Method ◽  
New Method ◽  
Significant Progress ◽  
Initial Analysis ◽  
The Subject ◽  
Time Required

TRIZ method has long proven its value without appearing to the industrial world as inevitable. Design researchers have therefore addressed the limitations of the TRIZ method and have overcome them with more systematic approaches. Among these, the Inventive Design Method (IDM) has been the subject of several articles and put into practice in the industry. It is considered an improvement over TRIZ but still suffers from some drawbacks in terms of the time-consuming nature of its implementation. We focused on the IDM process by trying to both identify its areas of inefficiencies while attempting to preserve the quality of its deliverables. Our approach consists of applying the precepts of Lean to IDM. The result is the Inverse Problem Graph (IPG) method, inspired by IDM, but offering significant progress in reducing the time required to mobilize experts while preserving its inventive outcomes. This article outlines our approach for the construction of this new method.

Discrete modular system for automation of radioimmunoassay of serum choriomammotropin.

1979 ◽  
Vol 25 (1) ◽  
pp. 129-131 ◽  
Author(s):  
G L Hammond ◽  
P Leinonen ◽  
R Vihko
Keyword(s):  
Quality Control ◽  
Placental Lactogen ◽  
Modular System ◽  
Present System ◽  
Modular Approach ◽  
Wide Range ◽  
Assay Precision ◽  
Time Required ◽  
Glycol Solution ◽  
Remaining Time

Abstract We describe a discrete automated radioimmunoassay system for determining choriomammotropin (placental lactogen) in human serum. With the present system it can be measured in as many as 37 unknown sera (50 muL) and three quality-control sera, in duplicate, within 1.5 h. The time required for sample preparation, incubation (15 min), and separation of free and bound radioactivities (a 150 mL/L polyethylene glycol solution is superior to a twofold volume of absolute ethanol) is less than 45 min. The remaining time required is for counting and data processing. Intra-assay precision is 4.6% (CV). The modular approach endows the instrumentation with much flexibility, and consequently is suitable for automation of a wide range of assay protocols.

Differential Reinforcement to Reduce Disruptive Behaviors in a Blind Boy with a Learning Disability

1991 ◽  
Vol 85 (4) ◽  
pp. 176-177
Author(s):  
A.J. Heitzman ◽  
M.J. Alimena
Keyword(s):  
Learning Disability ◽  
Differential Reinforcement ◽  
Disruptive Behaviors ◽  
Percent Reduction ◽  
Target Behaviors ◽  
School Day ◽  
The Subject

Differential reinforcement of low rates of responding was used to reduce the disruptive behaviors of a blind boy with a learning disability. The number of disruptive behaviors that the boy could not exceed in any given day to earn reinforcements was established. If the subject did not exceed the established criterion, he was given access to reinforcers at the end of the school day. An overall 88 percent reduction was observed in the target behaviors across a 26-day period.

scholarly journals Non-Performing Loans for Italian Companies: When Time Matters. An Empirical Research on Estimating Probability to Default and Loss Given Default

2020 ◽  
Vol 8 (4) ◽  
pp. 68
Author(s):  
Giuseppe Orlando ◽  
Roberta Pelosi
Keyword(s):  
Risk Taking ◽  
Economic Losses ◽  
Probability Of Default ◽  
Legal Environment ◽  
Loss Given Default ◽  
Recovery System ◽  
Main Driver ◽  
Long Time ◽  
The Subject ◽  
Time Required

Within bank activities, which is normally defined as the joint exercise of savings collection and credit supply, risk-taking is natural, as in many human activities. Among risks related to credit intermediation, credit risk assumes particular importance. It is most simply defined as the potential that a bank borrower or counterparty fails to fulfil correctly at maturity the pecuniary obligations assumed as principal and interest. Whenever this happens, a loan is non-performing. Among the main risk components, the Probability of Default (PD) and the Loss Given Default (LGD) have been the subject of greater interest for research. In this paper, logit model is used to predict both components. Financial ratios are used to estimate the PD. Time of recovery and presence of collateral are used as covariates of the LGD. Here, we confirm that the main driver of economic losses is the bureaucratically encumbered recovery system and the related legal environment. The long time required by Italian bureaucratic procedures, simply put, seems to lower dramatically the chance of recovery from defaulting counterparties.

Differential equations

2020 ◽  
Author(s):  
Galina Zhukova
Keyword(s):  
Quality Control ◽  
Differential Equations ◽  
Ordinary Differential Equations ◽  
Boundary Value Problems ◽  
Stability Theory ◽  
Arbitrary Order ◽  
Educational Institutions ◽  
Course Material ◽  
The Subject ◽  
Basic Concepts

The textbook presents the theory of ordinary differential equations constituting the subject of the discipline "Differential equations". Studied topics: differential equations of first, second, arbitrary order; differential equations; integration of initial and boundary value problems; stability theory of solutions of differential equations and systems. Introduced the basic concepts, proven properties of differential equations and systems. The article presents methods of analysis and solutions. We consider the applications of the obtained results, which are illustrated on a large number of specific tasks. For independent quality control mastering the course material suggested test questions on the theory, exercises and tasks. It is recommended that teachers, postgraduates and students of higher educational institutions, studying differential equations and their applications.

Target Detection, Rifle Marksmanship, and Mood during Three Hours of Simulated Sentry Duty

1989 ◽  
Vol 33 (20) ◽  
pp. 1414-1418 ◽  
Author(s):  
Richard F. Johnson ◽  
Donna J. McMenemy
Keyword(s):  
Target Detection ◽  
Rating Scale ◽  
Test Session ◽  
Profile Of Mood States ◽  
Detection Time ◽  
Target Speed ◽  
The Subject ◽  
Time Required ◽  
Duty Time ◽  
Over Time

The purpose of this study was to evaluate the effects of sentry duty time on the soldier's speed of detection of visually presented targets, his ability to hit targets (rifle marksmanship), and his mood. Prior to the test day, each of eight subjects was given five days of training on the Weaponeer Rifle Marksmanship Simulator and was familiarized with the targets to be presented during testing. The test session lasted three hours, during which time the subject assumed a standing foxhole position and monitored the target scene of the Weaponeer. The Weaponeer M16A1 modified rifle lay next to the subject at chest height. When a pop-up target appeared, the subject pressed a telegraph key, lifted the rifle, aimed, and fired at the target. Speed of target detection was measured in terms of the time required by the subject to press the telegraph key in response to the presentation of the target. Marksmanship was measured in terms of number of targets hit. Target detection time and rifle marksmanship were averaged every 30 minutes. At the end of the test session, the subject completed the Profile of Mood States rating scale. The results showed that target detection time deteriorated with time on sentry duty; impairments were not evident within the first hour but were clearly evident by 1.5 hours. Marksmanship remained constant over time; soldiers were just as accurate in hitting the targets at the end of the 3 hours of sentry duty as they were at the beginning. Whereas the soldier's predominant mood during baseline practice sessions was one of vigor, during sentry duty the predominant mood was one of fatigue. The results of this study suggest that sentry duty performance may be optimized if it is limited to one hour or less.

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