ojs2 has produced an error
Message: WARNING: mkdir(): Permission denied
In file: /var/www/html/lib/pkp/classes/file/FileManager.inc.php
At line: 306
Stacktrace:
File: (unknown) line (unknown)
Function: PKPApplication->errorHandler(2, "mkdir(): Permission denied", "/var/www/html/lib/pkp/classes/file/FileManager.inc.php", 306, Array(2))
File: /var/www/html/lib/pkp/classes/file/FileManager.inc.php line 306
Function: mkdir("/usageStats")
File: /var/www/html/lib/pkp/classes/file/FileManager.inc.php line 352
Function: FileManager->mkdir("/usageStats", Null)
File: /var/www/html/lib/pkp/classes/file/FileManager.inc.php line 351
Function: FileManager->mkdirtree("/usageStats", Null)
File: /var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php line 303
Function: FileManager->mkdirtree("/usageStats/usageEventLogs")
File: /var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php line 217
Function: UsageStatsPlugin->_writeUsageEventInLogFile(Array(16))
File: (unknown) line (unknown)
Function: UsageStatsPlugin->logUsageEvent("UsageEventPlugin::getUsageEvent", Array(7))
File: /var/www/html/lib/pkp/classes/plugins/HookRegistry.inc.php line 89
Function: call_user_func(Array(2), "UsageEventPlugin::getUsageEvent", Array(7))
File: /var/www/html/plugins/generic/usageEvent/UsageEventPlugin.inc.php line 107
Function: HookRegistry->call("UsageEventPlugin::getUsageEvent", Array(7))
File: (unknown) line (unknown)
Function: UsageEventPlugin->getUsageEvent("TemplateManager::display", Array(5))
File: /var/www/html/lib/pkp/classes/plugins/HookRegistry.inc.php line 89
Function: call_user_func(Array(2), "TemplateManager::display", Array(5))
File: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 332
Function: HookRegistry->call("TemplateManager::display", Array(5))
File: /var/www/html/pages/article/ArticleHandler.inc.php line 234
Function: PKPTemplateManager->display("article/article.tpl")
File: (unknown) line (unknown)
Function: ArticleHandler->view(Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
File: /var/www/html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php line 190
Function: Dispatcher->dispatch(Object(Request))
File: /var/www/html/index.php line 62
Function: PKPApplication->execute()
Server info:
OS: Linux
PHP Version: 5.3.3
Apache Version: Apache/2.2.15 (CentOS)
DB Driver: mysql
DB server version: 5.1.73
ojs2 has produced an error
Message: WARNING: assert(): Assertion failed
In file: /var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php
At line: 306
Stacktrace:
File: (unknown) line (unknown)
Function: PKPApplication->errorHandler(2, "assert(): Assertion failed", "/var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php", 306, Array(7))
File: /var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php line 306
Function: assert(False)
File: /var/www/html/plugins/generic/usageStats/UsageStatsPlugin.inc.php line 217
Function: UsageStatsPlugin->_writeUsageEventInLogFile(Array(16))
File: (unknown) line (unknown)
Function: UsageStatsPlugin->logUsageEvent("UsageEventPlugin::getUsageEvent", Array(7))
File: /var/www/html/lib/pkp/classes/plugins/HookRegistry.inc.php line 89
Function: call_user_func(Array(2), "UsageEventPlugin::getUsageEvent", Array(7))
File: /var/www/html/plugins/generic/usageEvent/UsageEventPlugin.inc.php line 107
Function: HookRegistry->call("UsageEventPlugin::getUsageEvent", Array(7))
File: (unknown) line (unknown)
Function: UsageEventPlugin->getUsageEvent("TemplateManager::display", Array(5))
File: /var/www/html/lib/pkp/classes/plugins/HookRegistry.inc.php line 89
Function: call_user_func(Array(2), "TemplateManager::display", Array(5))
File: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 332
Function: HookRegistry->call("TemplateManager::display", Array(5))
File: /var/www/html/pages/article/ArticleHandler.inc.php line 234
Function: PKPTemplateManager->display("article/article.tpl")
File: (unknown) line (unknown)
Function: ArticleHandler->view(Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
File: /var/www/html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php line 190
Function: Dispatcher->dispatch(Object(Request))
File: /var/www/html/index.php line 62
Function: PKPApplication->execute()
Server info:
OS: Linux
PHP Version: 5.3.3
Apache Version: Apache/2.2.15 (CentOS)
DB Driver: mysql
DB server version: 5.1.73
ojs2 has produced an error
Message: WARNING: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php:393)
In file: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php
At line: 340
Stacktrace:
File: (unknown) line (unknown)
Function: PKPApplication->errorHandler(2, "Cannot modify header information - headers already sent by (output started at /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php:393)", "/var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php", 340, Array(7))
File: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 340
Function: header("Content-Type: text/html; charset=utf-8")
File: /var/www/html/pages/article/ArticleHandler.inc.php line 234
Function: PKPTemplateManager->display("article/article.tpl")
File: (unknown) line (unknown)
Function: ArticleHandler->view(Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
File: /var/www/html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php line 190
Function: Dispatcher->dispatch(Object(Request))
File: /var/www/html/index.php line 62
Function: PKPApplication->execute()
Server info:
OS: Linux
PHP Version: 5.3.3
Apache Version: Apache/2.2.15 (CentOS)
DB Driver: mysql
DB server version: 5.1.73
ojs2 has produced an error
Message: WARNING: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php:393)
In file: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php
At line: 343
Stacktrace:
File: (unknown) line (unknown)
Function: PKPApplication->errorHandler(2, "Cannot modify header information - headers already sent by (output started at /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php:393)", "/var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php", 343, Array(7))
File: /var/www/html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 343
Function: header("Cache-Control: no-store")
File: /var/www/html/pages/article/ArticleHandler.inc.php line 234
Function: PKPTemplateManager->display("article/article.tpl")
File: (unknown) line (unknown)
Function: ArticleHandler->view(Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(1), Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
File: /var/www/html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))
File: /var/www/html/lib/pkp/classes/core/PKPApplication.inc.php line 190
Function: Dispatcher->dispatch(Object(Request))
File: /var/www/html/index.php line 62
Function: PKPApplication->execute()
Server info:
OS: Linux
PHP Version: 5.3.3
Apache Version: Apache/2.2.15 (CentOS)
DB Driver: mysql
DB server version: 5.1.73
Electric Cooker for the Modern Household From the Principle of Induction Heating to Innovation for Energy Saving
Electric Cooker for the Modern Household From the Principle of Induction Heating to Innovation for Energy Saving
Chainarin Ekkaravarodome
Abstract
Abstract
This article presents the new concept of the induction heating principle for electric cooker application. In recent years, induction heating principle has played a very important role in the modern household. Introductions of the basic principle of induction heating, power system diagram and topologies of power circuit are presented. In order to achieve upon this new concept, the induction cooker’s parameters of power circuit need to be designed properly. Details of design of this induction cooker’s components are recommended. High efficiency and easier to design are the key advantages of the proposed method that make this electric cooker, an attractive for commercial applications.
Keywords
Electric cooker, Induction cooker, Induction heating, DC-AC resonant inverter